WITT-GASETECHNIK GMBH & CO KG
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1 WITT-GASETECHNIK GMBH & CO KG GAS MIXERS KM 20/30/60/100-2 KM 20/30/60/100-3 KM 20-2 KM 20-3 Gas mixing systems for 2 or 3 defined gases, designed for a variety of industrial applications for example, welding applications. Capacity range up to approx. 350 Nl/ For the exact pressure and flow capacity ratios, please see the technical data overleaf. Easy operation a proportional mixing valve (-2) or three single mixing valves (-3), each with a control knob and %-scale, provide infinitely variable mixture settings infinitely variable flow setting with scaled control knob High process reliability independent of pressure fluctuations in the gas supply independent of withdrawal fluctuations (in permitted range) Options robust stainless steel housing Other models, options and accessories available on request. Please identify the individual gases at the time of enquiring! Product Information C5 subject to change. KM 2
2 WITT-GASETECHNIK GMBH & CO KG GAS MIXERS Type KM 20/30/60/100-2; KM 20/30/60/100-3 Gases Mixing range Pressure settings Inlet pressure differential between the gases Mixture output (air) all technical gases (excluding toxic or corrosive gases) 0-100% or 0-25% (KM 60/100 only) max. 3 bar mixture output = 1/5 of the max. mixture output Setting accuracy ±1% abs. (scale 0-25%), ±2% abs. (scale 0-100%) Mixing precision Gas connections KM 20/30/60 Gas connections KM 100 For fuel gases: fuel gas connection and outlet at mixer Housing better than ±1% abs. G 1/4 RH with cone, hose nipple 6 mm G 3/8 RH with cone, hose nipple 8 mm G 3/8 LH with cone, soldering nipple for pipe OD 10 mm steel, powder coated Weight approx. 12 kg (-2), approx. 21 kg (-3) Dimensions (HxWxD) approx. 250 x 150 x 340 mm (9.8 x 5.9 x 13.4 inch) (-2 without connections) approx. 250 x 350 x 340 mm (9.8 x 13.8 x 13.4 inch) (-3 without connections) Approvals Company certified according to ISO 9001:2000 and ISO ATEX 95 Directive 94/9/EG Flow KM 20 (in Nl/min) in relation to air outlet pressure Note: Reduced - -mixture - output - -in case - of higher outlet pressures inlet pressure (max bar) Flow KM 30 (in Nl/min) in relation to air outlet pressure Note: Reduced - -mixture - output - -in case - of higher outlet pressures inlet pressure (max bar) Flow KM 60 (in Nl/min) in relation to air outlet pressure Flow KM 100 (in Nl/min) in relation to air outlet pressure Note: Reduced - -mixture - output - -in case - of higher outlet pressures inlet pressure (max bar) Note: Reduced - -mixture - output - -in case - of higher outlet pressures inlet pressure (max bar) C5 subject to change. KM 2
3 GAS FLOW CONTROLLER KD 100-1A KD 100-1A PA KD 100-1A MAPY Electronic flow control system for modified atmospheres for flowwrap machines in the food industry and for room atmospheres e.g. for the storage of fruit and vegetables. Cost Reduction saves up to 30% of gas consumption by automatic controlling the required residual oxygen level to a pre determined set point the non-destructive gas analysis guarantees quality of the packages and economy of the production alarm signals are given if the set limits are exceeded and a potential free contact operates to e.g. auto-stop your machine to avoid quality problems independent of pressure fluctuations in the gas supply independent of packing speeds (MAP) independent of package sizes (MAP) Product Information Easy Operation simple calibration low maintenance easy to read display integrated data logger USB connection for file transfer administration of product names user management for measurement personalisation Additional Features for Version with MAPY simple to operate via touch-screen ethernet connection for network integration measured data storage user level with different access authorisation user definable settings for each different product i.e. set point, alarm limits etc. High Process Reliability data log permanent control of the O 2 -concentration electronic control of the sample gas to the sensor lockable transparent door for protection of settings Maximum Hygiene splash-proof, robust stainless steel housing smooth and easy to clean surface Documentation Interfaces for the documentation and remote transfer of the settings and measured values Options software WITT GasControl-Center for recording of results (see separate data sheet) fully automatic calibration (MAPY) bar code scanner for product names or user selection (MAPY) additional memory (MAPY) sample measurement via needle - also with additional sensor (MAPY) Please identify the individual gases and control ranges of flow at the time of enquiring! A02/E0 subject to change KM 9
4 GAS FLOW CONTROLLER Type Gases KD 100-1A PA, KD 100-1A MAPY N 2, CO 2, Ar or others as well as their mixtures; not for flammable gases! Measuring system zirconia measuring cell for O 2 Measuring range 0 100% * Life time no limited Repeatability ±0.1% Accuracy Gas inlet pressures Gas outlet pressure Output (air) Temperatures (gas/environment) ±0.3% of the required O 2 value see table see table see table 0 40 C (+32 F to +104 F) Gas connections inert gas G 3/8 with cone seat, hose nipple 8 mm analysis gas (lance) PK 6/4 analysis gas (needle) PK 6/4 (MAPY) purge air PK 6/4 calibration gas PK 6/4 (fully automatic calibration MAPY) Inlet pressure analysis max. 0.3 barg Alarm contacts 2 potential free contacts for and max. settings O 2 Interfaces PA MAPY Data log PA MAPY Housing Weight Dimensions (HxWxD) Voltage Power consumption RS 232 with ASCII-output of date, time, measured value analog output 4-20 ma or 0-10 V USB by memory stick for profiles, product and user data RJ45 Ethernet FTP-Server for profiles, product and user data, software update, analog output 4-20 ma or 0-10 V 500 measurements (circulating storage) 620 measurements, 120 products, 60 users additional max. 2 GB SD-memory card stainless steel, splash proof approx. 16 kg approx. 230 x 380 x 550 mm (9.05 x x inch) (with connections) 230 V AC, 110 V AC, 24 V DC 230 V AC / 0.4 A Approvals Company certified according to ISO 9001:2000, ISO and DIN EN ISO CE-marked according to: - EMC 2004/108/EC - Low Voltage Directive 2006/95/EC * no recommend for measures between 20% 22% Flow (in Nl/min) in relation to air inlet pressure (max. 13 bar) outlet pressure KM 9 A02/E0 subject to change
5 Gas mixers BM-2M BM-2V Gas mixing systems for 2 defined gases, designed for a variety of industrial applications, for direct cylinder connection (high pressure). BM-2M capacity range up to approx. 111 Nl/ BM-2V capacity range up to approx. 142 Nl/ For the exact pressure and flow capacity ratios, please see the technical data overleaf. infinitely variable flow setting with scaled adjustment knob (BM-2M) a pressure regulator provides infinitely variable outlet pressures (BM-2V) Benefits High process reliability no more components required e.g. pressure control for low costs compact design independent of pressure fluctuations in the gas supply independent of withdrawal fluctuations (in permitted range) Product Information easy to install protection of downstream equipment using 2 integrated blow-off valves to protect against dangerous overpressures Easy operation proportional mixing valve with a control knob and %-scale provides infinitely variable mixture settings Other models, options and accessories available on request. Please identify the individual gases at the time of enquiring! C9 subject to change KM 1
6 Gas Mixers Type Gases BM-2M, BM-2V CO 2 /Ar, CO 2 /N 2, He/Ar, He/N 2, N 2 /Ar not for O 2 and flammable gases! Mixing range 0-25% or 0-100% Pressure settings Inlet pressure Outlet pressure Opening pressure of blow-off valves Mixture output (air) 3 bar, max. 300 bar max. 8 bar max. 12 bar mixture output = 1/5 of the max. mixture output Setting accuracy ±1% abs. (scale 0-25%), ±2% abs. (scale 0-100%) Scale division scale 0-25% 1% division scale 0-100% 5% division Mixing precision 2M better than ±1% abs. 2V better than ±3% abs. till mixture output = 1/5 of the max. mixture output Gas connections inlets cylinder connection DIN 477 outlet G 1/4 EN 560 Housing aluminium, coated Weight approx. 3.5 kg Dimensions (HxWxD) 2M 2V approx. 230 x 156 x 130 mm (9.1 x 6.1 x 5.1 inch) (without connections) approx. 230 x 156 x 130 mm (9.1 x 6.1 x 5.7 inch) (without connections) Approvals Company certified according to ISO 9001:2000 and ISO Flow BM-2M (in Nl/min) in relation to air inlet pressure (max.300 bar) outlet pressure Flow BM-2V (in Nl/min) in relation to air inlet pressure (max.300 bar) outlet pressure C9 subject to change KM 1
7 Gas mixers KM 100/200-2M KM 100/200-3M KM 100-2M KM 100-3M Gas mixing systems for 2 or 3 defined gases especially for flow packing machines or other continuous packaging processes in the food industry. Product Information Capacity range up to approx. 323 Nl/ For the exact pressure and flow capacity ratios, please see the technical data overleaf. Easy operation a proportional mixing valve (-2) or three single mixing valves (-3), each with a control knob and %-scale, provide infinitely variable mixturesettings the flow of the gas mixture is controlled by a metering valve combined with a flow meter Constant quality independent of pressure fluctuations in the gas supply independent of packing speed (in permitted range) High process reliability monitoring of the gas supply by means of pressure switches; too low an inlet pressure triggers an optical alarm (audible optional) andswitches a potential free contact (e.g. to shutdown machinery to avoid quality problems) lockable transparent door for protection of settings Maximum hygiene splash-proof and robust stainless steel housing smooth and easy to clean surface Other models, options and accessories available on request. Please identify the individual gases at the time of enquiring! A01/C0 subject to change KM 3
8 Gas Mixers Type KM 100/200-2M; KM 100/200-3M Gases N 2, CO 2, O 2 not for flammable gases! Mixing range 0-100% Pressure settings Inlet pressure differential between the gases Mixture output (air) max. 3 bar mixture output = 1/5 of the max. mixture output Setting accuracy ±2% abs. (scale 0-100%) Mixing precision better than ±1% abs. Gas connections inlets outlet Housing G 3/8 RH with cone, hose nipple 8 mm G 3/8 RH with cone, hose nipple 8 mm stainless steel, splash proof Weight approx. 17 kg (-2), approx. 25 kg (-3) Dimensions (HxWxD) Voltage Power consumption approx. 222 x 325 x 345 mm (8.7 x 12.8 x 13.6 inch) (without connections) 230 V AC, 110 V AC or 24 V DC 230 V AC, 0.02 A 110 V AC, 0.04 A 24 V DC, 0.06 A Approvals Company certified according to ISO 9001:2000, ISO and ISO CE-marked according to: - EMC 2004/108/EC - Low Voltage Directive 2006/95/EC Flow KM 100 (in Nl/min) in relation to air inlet pressure (max. 13 bar) outlet pressure Note: Reduced mixture output in case of higher outlet pressures Flow KM 200 (in Nl/min) in relation to air inlet pressure (max. 13 bar) outlet pressure Note: Reduced mixture output in case of higher outlet pressures A01/C0 subject to change KM 3
9 GAs Mixers KM 100/200-2MEM KM 100/200-3MEM Product Information Mixer for 2 or 3 defined gases especially for vacuum packing machines in the food industry and for applications where the mixed gas flow fluctuates widely. Easy Usage a proportional mixing valve with percentage scale provides an infinitely variable mixture setting these mixers require a receiver with sufficient volume ( 10 litres volume), which ensures a constant, accurate mixture when large or very small volumes are needed Constant Quality independent of pressure fluctuations independent of packing speed independent of size of packaging Type Gases Mixing Range Gas inlet pressure Inlet pressure differential between the gases Gas outlet pressure Mixture output (air) Setting accuracy Mixture accuracy Gas connections KM 100/200-2MEM /3MEM N 2, CO 2, O 2 not for flammable gases! 0 100% max. 290 psi (20 bar) max psi (3 bar) see table see table ±2% (scale 0-100%) abs. better±1% abs. G 3/8 with cone seat, 8 mm hose nipple High Process Safety the gas supply is monitored by pressure switches. A low pressure triggers an optical alarm (audible alarm optional) and a potential-free contact (e.g. to shut down machinery and avoid quality problems) lockable inspection transparent door for protection of settings Maximum Hygiene splash-proof, robust stainless steel housing smooth and easy to clean surface for perfect hygiene Please identify the individual gases at the time of enquiring! Casing Weight Dimensions (HxWxD) Voltage Power consumption Approvals stainless steel, splashproof approx. 18 kg (2MEM), 26 kg (3MEM) approx. 8.8 x 12.8 x 13.6 inch (without connections) 230 V AC, 110 V AC, 24 V DC 230 V AC / 0.07 A 110 V AC / 0.11 A 24 V DC / 0.4 A Company certified according to ISO 9001:2000, ISO and ISO CE-marked for: - EMC 2004/108/EC - Low Voltage Directive 2006/95/EC Flow (in Nl/min) in relation to air receiver pressure (max. receiver pressure 0.5 bar higher) inlet pressure (max. 20 bar) A01/G0 subject to change KM 4
10 Gas mixers KM 20/30/60/100-2ME /-3ME KM 20/30/60/100-2ME /-3ME EEx KM 100-2ME GB KM 100-3ME EEx Gas mixing systems for 2 or 3 defined gases, designed for a variety of industrial applications, particularly for all areas with sharply fluctuating mixed gas extraction quantities. Capacity range from 0 to approx. 500 Nl/ For the exact pressure and flow capacity ratios, please see the technical data overleaf. Options for flammable gases available as EEx-version with separate control cabinet Note: System only works with sufficient buffer volume (20 to 100 litres depending on gas mixing capacity). monitoring of the gas supply by means of pressure switches; too low an inlet pressure triggers an optical alarm (audible optional) and switches a potential free contact (e.g. to shut down machinery to avoid quality problems) Easy operation a proportional mixing valve (-2ME) or three single mixing valves (-3ME), each with a control knob and %-scale, provide infinitely variable mixture settings integrated gas analysis for the monitoring/control and documentation of the gas mixture production gas mixer mounted on gas mixture buffer tank for a more convenient installation gas mixture withdrawal possible from zero to the maximum flow capacity Other models, options and accessories available on request. Product Information High process reliability independent of pressure fluctuations in the gas supply intermittent gas mixture withdrawal possible lockable transparent door for protection of settings splash-proof and robust stainless steel housing Please identify the individual gases at the time of enquiring! H9 subject to change KM 7
11 Gas Mixers Type KM 20/30/60/100-2ME /-3ME; KM 20/30/60/100-2ME /-3ME EEx Gases all technical gases (excluding toxic or corrosive gases) Mixing range 0-25% (KM 60/100-ME only) or 0-100% Pressure settings Inlet pressure differential between the gases max. 3 bar Mixture output (air) Setting accuracy ±1% abs. (scale 0-25%), ±2% abs. (scale 0-100%) Mixing precision better than ±1% abs. Gas connections inlets G 3/8 RH with cone, soldering nipple for pipe OD 10 mm outlet at mixer G 3/8 RH with cone, soldering nipple for pipe OD 10 mm outlet at receiver WITT-Pipe Couplers for pipe OD 12 mm for fuel gas connection and outlet at mixer G 3/8 LH with cone, soldering nipple for pipe OD 10 mm Housing stainless steel, splash proof (not EEx-version) Weight approx. 18 kg (-2ME), approx. 26 kg (-3ME) without receiver Dimensions (HxWxD) mixer separate control cabinet (EEx) Voltage Power consumption approx. 225 x 325 x 345 mm (9 x 13 x 13.5 inch) (without connections and receiver) approx. 212 x 198 x 160 mm (8.3 x 7.8 x 6.3 inch) (without connections) 230 V AC, 110 V AC or 24 V DC 230 V AC, 0.07 A Approvals Company certified according to ISO 9001:2000 and ISO CE-marked according to: - EMC 2004/108/EC - Low Voltage Directive 2006/95/EC - PED 97/23/EC - ATEX 95 Directive 94/9/EC Flow KM 20 (in Nl/min) in relation to air inlet pressure (max. 20 bar) receiver pressure (max. receiver pressure 0.5 bar higher) Flow KM 30 (in Nl/min) in relation to air inlet pressure (max. 20 bar) receiver pressure (max. receiver pressure 0.5 bar higher) Flow KM 60 (in Nl/min) in relation to air inlet pressure (max. 20 bar) receiver pressure (max. receiver pressure 0.5 bar higher) Flow KM 100 (in Nl/min) in relation to air inlet pressure (max. 20 bar) receiver pressure (max. receiver pressure 0.5 bar higher) H9 subject to change KM 7
12 Gas mixers MG 25/45/75/95/125-2 /-3 FIX MG 25/45/75/95/125-2 FLEX NEW MG 25/45/75/95/125-2 FIX MG 25/45/75/95/125-2 FLEX Gas mixing systems for 2 or 3 defined gases, designed for variable processes with a mixing range from 1-99%. FIX: pre-set, for 2 or 3-component gas mixtures. FLEX: adjustable, for 2-component gas mixtures. Using a new mixing technology patented by WITT, no receiver is required. Product Information MG 25 capacity range up to approx. 22 Nm 3 /h. MG 45 capacity range up to approx. 46 Nm 3 /h. MG 75 capacity range up to approx. 68 Nm 3 /h. MG 95 capacity range up to approx. 90 Nm 3 /h. MG 125 capacity range up to approx. 135 Nm 3 /h. For the exact pressure and flow capacity ratios, please see the technical data overleaf. Benefits high mixing accuracy avoids the need to stock multiple pre-mixes (cost saving) does not require receiver (cost and space saving) inlet gas filters protect the device against impurities pneumatic operating principle, no electrical connections required mixed gas production from 2 l/min to the max. flow robust, compact design panel for wall mounting minimal maintenance required Easy operation blends are factory set and tamper proof (FIX) a mixing valve with a control knob and %-scale provides infinitely variable mixture settings (FLEX) High process reliability independent of pressure fluctuations in the gas supply independent of withdrawal fluctuations (in permitted range) fail safe design (unit shuts down on failure of either gas supply) lockable to prevent tampering (FLEX) Options monitoring of the gas supply by means of pressure switches; a low inlet pressure triggers a visual alarm (audible optional) and switches a potential free contact (e.g. to shut down machinery to avoid quality problems) - electrical connections required Other models, options and accessories available on request. Please identify the individual gases at the time of enquiring! C01/E0 subject to change KM 14
13 Gas mixers Type Gases Mixing range MG 25/45/75/95/125 MG 45/95/125 MG 25/45/75/95/125 Pressure settings Inlet pressure differential between the gases Mixture output (N 2 ) Setting accuracy Mixing range 1: < 5% Mixing range 2: 5 up to 20% Mixing range 3: > 20% Temperature (gas/environment) Gas connections MG 25/45/75 MG 95/125 Housing Weight MG 25/.../125-2 /-3 FIX MG 25/.../125-2 FLEX Dimensions (HxWxD) Approvals MG 25/45/75/95/125-2 FIX; MG 45/95/125-3 FIX; MG 25/45/75/95/125-2 FLEX all technical gases (excluding toxic or corrosive gases, also no mixtures of fuel gases with air, O 2 or N 2 O) -2 FIX: 1-99% according to the pre-set gas blend -3 FIX: 1-98% according to the pre-set gas blend -2 FLEX: ranges various between 1-99% (ranges on request) max. 3 bar (other gases according to calculating rule see last page) ± 0.5% absolute ± 10% of the nominal value ± 2% absolute -25 C to +50 C (-13 F to +122 F) G 1/2 RH with cone, soldering nipple for pipe OD 15 mm G 1 RH with cone, soldering nipple for pipe OD 22 mm stainless steel approx kg approx kg approx. 355 x 565 x 250 mm (13.9 x 22.2 x 9.8 inch) without connections Company certified according to ISO 9001:2000 and ISO CE-marked according to: - ATEX 95 Directive 94/9/EC Flow MG 25-2 (in Nm 3 /h) in relation to N 2 inlet pressure (max. 20 bar) outlet pressure mixed gas production 2 l/min Note: Flow values higher P V 10 bar not for - O and CO C01/E0 subject to change KM 14
14 Gas mixers Flow MG 45-2 /-3 (in Nm 3 /h) in relation to N 2 inlet pressure (max. 25 bar) outlet pressure mixed gas production 4 l/min Note: Flow values higher P V 10 bar not for - O and CO Flow MG 75-2 (in Nm 3 /h) in relation to N 2 inlet pressure (max. 25 bar) outlet pressure mixed gas production 8 l/min Note: Flow values higher P V 10 bar not for - O and CO Flow MG 95-2 /-3 (in Nm 3 /h) in relation to N 2 inlet pressure (max. 25 bar) outlet pressure mixed gas production 8 l/min Note: Flow values higher P V 10 bar not for - O and CO C01/E0 subject to change KM 14
15 Gas mixers Flow MG /-3 (in Nm 3 /h) in relation to N 2 inlet pressure (max. 25 bar) outlet pressure mixed gas production 16 l/min Note: Flow - values - higher - P V 10 -bar not for - O 2 and - CO Calculating rule for two-component mixtures:.. V mix = V N2 x F mix Conversion factors F i : Argon F AR = 0.82 Oxygen F O2 = 0.88 Nitrogen F N2 = 1.00 Helium F He = 1.05 Carbon dioxide F CO2 = 1.16 F mix for concentrations (example): Gas 1 Gas 2 F mix mixture CO 2 Ar admix propotion in vol.% admix propotion in vol.% admix propotion in vol.% F mix = F Gas1 X i = vol.% gas X 1 + F Gas2 X Example: 30 vol.% CO 2 70 vol.% N 2 X CO2 = 30 X N2 = 70. F CO2 = 1.16 F N2 = 1.00 V N2 = Nm 3 /h (see table MG 125) F mix = = V mix = Nm 3 /h x = Nm 3 /h mixture CO 2 N 2 admix propotion in vol.% admix propotion in vol.% admix propotion in vol.% mixture He Ar admix propotion in vol.% admix propotion in vol.% mixture He N 2 admix propotion in vol.% mixture O 2 Ar admix propotion in vol.% admix propotion in vol.% mixture O 2 N 2 admix propotion in vol.% admix propotion in vol.% mixture O 2 CO 2 admix propotion in vol.% admix propotion in vol.% C01/E0 subject to change KM 14
16 WITT-GASETECHNIK GMBH & CO KG GAS MIXER MG 200-2ME /-3ME MG 200-2ME /-3ME EEx MG 200-2ME GB MG 200-3ME EEx Gas mixing systems for 2 or 3 defined gases, designed for a variety of industrial applications with high flows and fluctuating gas mixture production requirements. Capacity range from 0 to approx. 270 Nm 3 /h. For the exact pressure and flow capacity ratios, please see the technical data overleaf. Note: System only works with sufficient buffer volume (to 500 litres depending on gas mixing capacity). Easy operation a proportional mixing valve (-2ME) or three single mixing valves (-3ME), each with a control knob and %-scale, provide infinitely variable mixture settings. gas mixture withdrawal possible from zero to the maximum flow capacity Options for flammable gases available as EEx-version with separate control cabinet monitoring of the gas supply by means of pressure switches; too low an inlet pressure triggers an optical alarm (audible optional) and switches a potential free contact (e.g. to shut down machinery to avoid quality problems) integrated gas analysis for the monitoring/control and documentation of the gas mixture production Other models, options and accessories available on request. Please identify the individual gases at the time of enquiring! Product Information High process reliability independent of pressure fluctuations in the gas supply intermittent gas mixture withdrawal possible lockable transparent door for protection of settings B5 subject to change. MG 2
17 WITT-GASETECHNIK GMBH & CO KG GAS MIXER Type Gases MG 200-2ME /-3ME; MG 200-2ME/-3ME EEx all technical gases (excluding toxic or corrosive gases) Mixing range 0-25% or 0-100% Pressure settings Inlet pressure differential between the gases Mixture output (air) see table max. 3 bar see table Setting accuracy ±1% abs. (scale 0-25%), ±2% abs. (scale 0-100%) Mixing precision Gas connections inlet 0-25% inlet 0-100% outlet at mixer Housing Weight Dimensions (HxWxD) mixer separate control cabinet (EEx) Voltage Power consumption better than ±1% abs. G 3/4" RH with cone, soldering nipple for pipe OD 15 mm G 1" RH with O-ring seal, soldering nipple for pipe OD 22 mm G 1" RH with O-ring seal, soldering nipple for pipe OD 22 mm painted steel approx. 80 kg (-2ME), approx. 110 kg (-3ME) approx x 600 x 515 mm (48 x 23.6 x 20.2 inch) (without connections) approx. 212 x 198 x 160 mm (8.3 x 7.8 x 6.3 inch) (without connections) 230 V AC, 110 V AC or 24 V DC 230 V AC, 0.07 A Approvals Company certified according to ISO 9001:2000 and ISO CE-marked according to: - EMC 89/336/EWG - Low Voltage Directive 73/23/EWG - PED 97/23/EG - ATEX 95 Directive 94/9/EG Flow MG 200 (in Nm 3 /h) in relation to air receiver pressure (max. receiver pressure 0.5 bar higher) 1,5 2,5 3,5 4,5 5,5 6,5 7,5 8,5 9,5 10, inlet pressure (max bar) B5 subject to change. MG 2
18 WITT-GASETECHNIK GMBH & CO KG GAS MIXERS MG 50/100-2ME /-3ME MG 50/100-2ME /-3ME EEx MG 50-2ME GB MG 50-3ME EEx Gas mixing systems for 2 or 3 defined gases, designed for a variety of industrial applications with high flows and fluctuating gas mixture production requirements. Capacity range from 0 to approx. 160 Nm 3 /h. For the exact pressure and flow capacity ratios, please see the technical data overleaf. Options for flammable gases available as EEx-version with separate control cabinet Note: System only works with sufficient buffer volume (100 to 250 litres depending on gas mixing capacity). without electrical equipment as MP-version monitoring of the gas supply by means of pressure switches; too low an inlet pressure triggers an optical alarm (audible optional) and switches a potential free contact (e.g. to shut down machinery to avoid quality problems) Easy operation integrated gas analysis for the monitoring/control and documentation of the gas mixture production a proportional mixing valve (-2ME) or three single mixing valves (-3ME), each with a control knob and %-scale, provide infinitely variable mixture settings. gas mixer mounted on gas mixture buffer tank for a more convenient installation gas mixture withdrawal possible from zero to the maximum flow capacity Other models, options and accessories available on request. Product Information High process reliability independent of pressure fluctuations in the gas supply intermittent gas mixture withdrawal possible lockable transparent door for protection of settings splash-proof and robust stainless steel housing Please identify the individual gases at the time of enquiring! C5 subject to change. MG 1
19 WITT-GASETECHNIK GMBH & CO KG GAS MIXERS Type Gases MG 50/100-2ME /-3ME; MG 50/100-2ME/-3ME EEx all technical gases (excluding toxic or corrosive gases) Mixing range 0-25% or 0-100% Pressure settings Inlet pressure differential between the gases Mixture output (air) max. 3 bar Setting accuracy ±1% abs. (scale 0-25%), ±2% abs. (scale 0-100%) Mixing precision Gas connections MG 50 inlets outlet at mixer outlet at receiver Gas connections MG 100 inlets outlet at mixer outlet at receiver Housing Weight MG 50 Weight MG 100 Dimensions (HxWxD) mixer separate control cabinet (EEx) Voltage Power consumption better than ±1% abs. G 1/2 RH with cone, soldering nipple for pipe OD 15 mm G 1/2 RH with cone, soldering nipple for pipe OD 15 mm WITTFIX-Pipe Couplers for pipe OD 22x1.5 mm G 1 RH with cone, soldering nipple for pipe OD 22 mm G 1 RH with cone, soldering nipple for pipe OD 22 mm WITTFIX-Pipe Couplers for pipe OD 22x1.5 mm stainless steel, splash proof (not EEx-version) approx. 35 kg (-2ME), approx. 50 kg (-3ME) without receiver approx. 50 kg (-2ME), approx. 65 kg (-3ME) without receiver approx. 330 x 485 x 500 mm (13 x 19 x 19.7 inch) (without connections and receiver) approx. 212 x 198 x 160 mm (8.3 x 7.8 x 6.3 inch) (without connections) 230 V AC, 110 V AC or 24 V DC 230 V AC, 0.07 A Approvals Company certified according to ISO 9001:2000 and ISO CE-marked according to: - EMC 89/336/EWG - Low Voltage Directive 73/23/EWG - PED 97/23/EG - ATEX 95 Directive 94/9/EG Flow MG 50 (in Nm 3 /h) in relation to air receiver pressure (max. receiver pressure 0,5 bar higher) Flow MG 100 (in Nm 3 /h) in relation to air receiver pressure (max. receiver pressure 0,5 bar higher) 1,5 2,5 3,5 4,5 5,5 6,5 7,5 8,5 9,5 10,5 1,5 2,5 3,5 4,5 5,5 6,5 7,5 8,5 9, Inlet pressure (max bar) Inlet pressure (max bar) C5 subject to change. MG 1
20 Gas mixers MG 50-2ME GB A MG 100-2ME GB A MG 200-2ME GB A NEW Stationary gas mixing system specifically for the generation of high purity (synthetic) air from Oxygen and Nitrogen. Especially for the supply of synthetic air in hospitals (references on request). Certified according to DIN EN ISO /2007 section Capacity range from 0 to approx. 247 Nm 3 /h. For the exact pressure and flow capacity ratios, please see the technical data overleaf. Note: System only works with sufficient buffer volume (100 to 500 litres depending on gas mixing capacity). Easy operation simple to operate via touch-screen pre-set gas blend ( adjustable inside gas mixer) Product Information gas mixture withdrawal possible from zero to the maximum flow capacity High process reliability highest integrity to supply safety by independent construction of all relevant safety components 2 independent integrated Oxygen Analysers for permanent control and documentation of the gasmixtures self monitoring of analysers additional monitoring via alarm module monitoring of the gas supply with pressure transmitter too low inlet pressures triggers an optical alarm and shut down the system lockable transparent door and back panel for protection of settings independent of pressure fluctuations in the gas supply intermittent gas mixture withdrawal possible USB connection for file transfer Ethernet connection for network integration triggering for solenoid valves provided by customer Options uninterruptable power supply (USV) additional heater for low ambient temperatures fully automatic calibration Other models, options and accessories available on request. C01/G0 subject to change MG 3
21 Gas mixers Type Gases mg 50 / 100 / 200-2ME GB A Nitrogen and Oxygen Weight approx. 132 kg (MG 50), approx. 135 kg (MG 100), approx. 145 kg (MG 200) Mixing range Pressure settings 20.9% Oxygen (adjustable) Dimensions (HxWxD) approx x 600 x 600 mm (68.11 x x inch) (without connections) Inlet pressure differential between the gases max. 3 bar Voltage 230 V AC, 110 V AC or 24 V DC Mixture output (air) Power consumption 230 V AC, 0.2 A Temperature (gas/environment) Setting accuracy Mixing precision Analysing principle 0 C to 45 C (32 F to 113 F) ±1% abs. better than ±0.5% abs. paramagnetic sensor, measuring range 0 30% O 2 lifetime: not limited Approvals Company certified according to ISO 9001:2000 and ISO gas mixer certified according to: - DIN EN ISO /2007 section CE-marked according to: - EMC 2004/108/EC - Low Voltage Directive 2006/95/EC - PED 97/23/EC Reproducibility ±0.2% abs. Gas connections inlets G 1 M, WITTFIX for pipe OD 22 mm outlet G 1 M with cone, WITTFIX for pipe OD 22 mm Alarm signals Logging Interface Housing / max. threshold value with 2 floating contacts analogue outlet 4-20 ma or 0-10 V USB port, Ethernet for data storage and evaluation of measuring data on external medium steel, coated, IP40 Flow MG 50 (in Nm 3 /h) in relation to air inlet pressure (max. 20 bar) receiver pressure (max. receiver pressure 0.5 bar higher) Flow MG 100 (in Nm 3 /h) in relation to air Flow MG 200 (in Nm 3 /h) in relation to air inlet pressure (max. 20 bar) receiver pressure (max. receiver pressure 0.5 bar higher) inlet pressure (max. 20 bar) receiver pressure (max. receiver pressure 0.5 bar higher) C01/G0 subject to change MG 3
22 Gas mixers MG 500/1000-2ME ERC Druck [bar] Pv1: 10.1 Pv2: 10.3 Pm: 8.0 Pb: CO 2 in Ar: 17.5 Status: Cal: 17.6 % STANDBY :24:05 Dienstag Automatik START Temperatur [ C] T1: 10.1 T2: 14.3 Tb: ESC MG 500-2ME ERC Gas mixing systems for 2 defined gases, designed for a variety of industrial applications with high flows and fluctuating gas mixture production requirements. Capacity range from 0 to approx Nm 3 /h. For the exact pressure and flow capacity ratios, please see the technical data overleaf. Note: System only works with sufficient buffer volume (1500 to 2000 litres depending on gas mixing capacity). High process reliability too low an inlet pressures and/or temperature triggers an audible/visual alarm and shuts down the mixed gas supply lockable transparent door for protection of settings independent of pressure fluctuations in the gas supply intermittent gas mixture withdrawal possible Product Information Easy operation an electro-pneumatic proportional mixing valve provides infinitely variable mixture settings - with control unit GC100 (local) - via Ethernet or analogue input (remotely adjustable) user friendly input of data and process parameter by integrated keybord or via PC (for example MS-Excel ) simple, intuitive operation; no qualified personnel necessary customer oriented quality documentation by easy data management and evaluation gas mixture withdrawal possible from zero to the maximum flow capacity Options for flammable gases available as EEx-version with separate control cabinet monitoring of the gas supply by means of pressure and/or temperature transmitter; too low an inlet pressure and/or temperature triggers a visual alarm (audible optional) and switches a potential free contact (e.g. to shut down machinery to avoid quality problems) integrated gas analysis for the monitoring/control and documentation of the gas mixture production with heater for mixer and control system with separate filter in the inlet Other models, options and accessories available on request. Please identify the individual gases at the time of enquiring! B9 subject to change MG 5
23 Gas Mixers Type Gases Mixing range Pressure settings mg 500/1000-2ME ERC all technical gases (excluding toxic and corrosive gases also mixtures of fuel gas with air, O 2 or N 2 O) 0-100%, 0-25%, (0-10%, 0-5% on request) see table System requires a pneumatic pressure at least 7 bar! Inlet pressure differential between the gases max. 3 bar Mixture output (air) see table Temperature (gas/enviroment) 0 C to 45 C (32 F to 113 F) Setting accuracy ±0,5% abs. (scale 0-5% and 0-10%), ±1% abs. (scale 0-25%), ±2% abs. (scale 0-100%) Mixing precision better than ±0.5% abs. Gas connections MG 500 inlet / outlet Gas connections MG 1000 inlet / outlet Alarm signals Logging Interfaces Housing Weight MG 500 MG 1000 Dimensions (HxWxD) MG 500 / MG 1000 separate control cabinet (EEx) Voltage Power consumption flange DN50 / PN40 (with filter) soldering nipple DN 32 (without filter) flange DN50 / PN40 (with filter) soldering nipple DN 54 (without filter) one / max. threshold value with 2 floating contacts analog output 4-20 ma or 0-10 V RS 232 with ASCII-output of date, time, measured value Ethernet (option WLAN) analog output 4-20 ma or 0-10 V painted steel approx. 270 kg, approx. 290 kg approx x 1200 x 580 mm (59.84 x x inch) (without connections) approx. 380 x 600 x 210 mm (14.96 x x 8.27 inch) (without connections) 230 V AC, 110 V AC or 24 V DC 230 V AC, A Approvals Company certified according to ISO 9001:2000 and ISO CE-marked according to: - EMC 2004/108/EC - Low Voltage Directive 2006/95/EC - PED 97/23/EC - ATEX 95 Directive 94/9/EC Flow MG 500 (in Nm 3 /h) in relation to air Flow MG 1000 (in Nm 3 /h) in relation to air inlet pressure in barg (max. 14 / 20 bar) receiver pressure (max. receiver pressure 0.5 bar higher) inlet pressure in barg (max. 14 / 20 bar) receiver pressure (max. receiver pressure 0.5 bar higher) B9 subject to change MG 5
24 GAS MIXERS MM-2K / MM-2G Mixer for 2 gases for a variety of technical applications. Benefits inexpensive compact design easy to install incl. bracket for easy fastening Product Information Easy Operation a proportional mixing valve with %-scale provides an infinitely variable mixture setting Constant Quality independent of pressure fluctuations in the gas supply independent of fluctuations of the mixed gas production (in permitted range) Please identify the individual gases at the time of enquiring! Type MM-2K and MM-2G Gases N 2 /CO 2 (0 100%) or Ar/CO 2 (0 25%) not for flammable gases! Gas inlet pressures Gas outlet pressure Mixture output (air) 1 bar, max. 9.5 bar see table see table Setting accuracy ±3% abs. (scale 0 100%) Mixing accuracy Gas connections (inlets/outlet) Housing Weight Dimensions (HxWxD) Approvals better ±1% abs. nipples for 6 mm hose aluminium, coated approx. 2.9 kg approx. 142 x 130 x 120 mm (5.59 x 5.12 x 4.72 inch) (without connections) Company certified according to ISO 9001:2000 and ISO Flow MM-2K (in Nl/min) in relation to air outlet pressure inlet pressure CO 2 (second gas 1 bar higher) Flow MM-2G (in Nl/min) in relation to air outlet pressure inlet pressure CO 2 (second gas 1 bar higher) A01/F0 subject to change KM 6
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