kyalfa Laval Unique SSV ATEX Standard

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1 OC TOB E R kylfa Laval Unique SSV TEX Standard TEX ddendum to Unique SSV Concept The Unique Single Seat TEX valve meets the highest demands of your process in terms of hygiene and safety. Built on the well-proven Unique SSV platform it is TEX certified to be used in environments with an explosive atmosphere. Working principle Thevalveisapneumaticseatvalveinahygienicandmodulardesign for a wide field of duties, e.g. as a shut-off valve with two (2) or three (3) ports or as a change-over valve with three (3) to five (5) ports. The valve is remote-controlled by means of compressed air. It has few and simple moveable parts which results in a very reliable valve and low maintenance cost. Standard design The Unique SSV TEX valve comes in a one or two body configuration. With its module built structure it is designed for flexibility and easy customization through the electronic configurator. The valve features an optimized life span of the seals through a defined compression design. The actuator is connected to the valve body using a yoke and all components are assembled with clamp rings. TECHNICL. DT Temperature Temperaturerange C to +135 C (EDM) ir pressure,actuator to700ka(5to7bar) mbienttemperature C to+40 C ressure Max.productpressure ka(10bar) Min.productpressure... Fullvacuum Valve Body Combinations HYSICL DT Materials - valve/actuator roduct wetted steel parts (316L) Othersteelparts (304) Externalsurfacefinish...Semi-bright (blasted) Internalsurfacefinish...Bright (polished), Ra < 0.8 µm) roductwettedseals...edm Otherseals...NBR ctuatorstem...gg GI/GT, MH, , CF40 Spring...Coatedsteel ctuator function - neumatic downward movement, spring return. - neumatic upward movement, spring return. - neumatic upward and downward movement /..

2 Options. Male parts or clamp liners in accordance with required standard. B. Control and Indication: ThinkTop Basic Intrinsically Safe. C. roduct wetted seals in HNBR or FM (Note! Temperature range 10 C to +135 C fortexversions). D. lug seals in HNBR or FM (Note! Temperature range 10 C to +135 C fortexversions). E. External surface finish bright. Note! For further details, see instruction manual ESE Other valves in the same basic design The Unique SSV valve range includes several purpose built valves. Below are some of the valve models available, though please use the lfa Laval computer aided selection tool (nytime configurator) for full access to all models and options. - Reverse acting valve. - Tank Outlet valve. - Tangential valve. The actuator comes with a 5 years warranty Dimensions (mm) Nominal size Inch tubes DN/OD DIN tubes DN ) ) ) 360* * ) 372* * C OD ID t E F F 2 12* * H ø115 ø115 ø155 ø ø115 ø115 ø155 ø155 H (high pressure) 85 ø115 ø155 ø155 ø155 ø ø115 ø155 ø155 ø155 ø155 M(ISOclamp) M(DINclamp) M (DIN male) M (SMS male) Weight (kg) Shut-off valve Change-over valve * = only available with replaceable elastomer plug seal. 1) For exact 1-4 dimensions, please refer to information in nytime configurator. H H lease Note! Opening/closing time will be effected by the following: - The air supply (air pressure). - The length and dimensions of the air hoses. - Number of valves connected to the same air hose. - Use of single solenoid valve for serial connected air actuator functions. - roduct pressure. E TD E 2 1 F1 4 TD F2 ir Connections Compressed air: R1/8"(BS), internal thread. t E ID OD Shut-off valve M t ID OD E Change-over valve M ir consumption (litres free air) for one stroke Size DN25-40 DN50-65 DN80100 DN/OD mm DN/OD mm DN/OD mm NO and NC 0.2 x air pressure [bar] 0.5 x air pressure [bar] 1.3 x air pressure [bar] / 0.5 x air pressure [bar] 1.1 x air pressure [bar] 2.7 x air pressure [bar]

3 ressure drop/capacity diagrams Change-over Valves Change-over Valves TD TD DN25/25 Kv 15 Shut-off Valves TD TD DN25/25 Kv 15 TD TD DN25/25 Kv 15 Note! For the diagrams the following applies: Medium: Water (20 C) Measurement: In accordance with VDI2173 ressure drop can also be calculated in nytime configurator ressure drop can also be calculated with the following formula: Q=Kvx p Where Q=Flowinm 3 /h. Kv = m 3 /h at a pressure drop of 1 bar (see table above). p = ressure drop in bar over the valve. How to calculate the pressure drop for an ISO 2.5" shut-off valve if the flow is 40 m 3 /h 2.5" shut-off valve, where Kv = 111 (See table above). Q=Kvx p 40 = 111 x p bar (This is approx. the same pressure drop by reading the y-axis above)

4 ressure data for Unique Single Seat TEX Valve o o o o = ir /o= roduct pressure Table 1 - Shut-off and Change-over valves Max. pressure in bar without leakage at the valve seat ctuator / Valve body ir Valve size lug DN 25 DN 40 DN50 DN 65 DN 80 DN 100 combination and direction pressure position DN/OD DN/OD DN/OD DN/OD DN/OD DN/OD of pressure (bar) 25 mm 38 mm 51 mm 63.5 mm 76.1 mm mm 1 NO NO NC NC / / Table 2 - Shut-off and Change-over valves Max. pressure in bar against which the valve can open ctuator / Valve body ir Valve size lug DN 25 DN 40 DN50 DN 65 DN 80 DN 100 combination and direction pressure position DN/OD DN/OD DN/OD DN/OD DN/OD DN/OD of pressure (bar) 25 mm 38 mm 51 mm 63.5 mm 76.1 mm mm 7 NO NO NC NC

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7 . lfa Laval reserves the right to change specifications without prior notification. How to contact lfa Laval Contact details for all countries are continually updated on our website. lease visit to access the information direct. lfa Laval is a trademark registered and owned by lfa Laval Corporate B. ESE00673en 1612