Meter-in pressure compensator, direct operatedtype ZDC
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1 Meter-in pressure compensator, direct operatedtype ZDC Huade América 1
2 BEIJING HUADE HYDRAULIC INDUSTRIAL GROUP CO.,LTD. Meter-in pressure compensator, direct operated Type ZDC Size up to 35 MPa up to 325 L/min RE 24750/ Replaces Features: - Load compensation in port P to A or P to B via a built-in shuttle valve - 2-way version "P" - 3-way version "P T" (NS10-25) - Flow control when working together with a proportional directional valve Function, section The ZDC... valves are direct operated meter-in pressure compensators of 2 or 3-way design. They are used for the load compensation as a meter-in pressure compensator in channel P. These valves basically consist of the housing (1), the control spool (2), compression spring (3) with spring washer (4) and the cover (5) with integrated shuttle valve (6). The compression spring (3) holds the control spool (2) in the open position from P1 to P,when the pressure differential P1 to A1 or P1 to B1 is less than 1.0 MPa If the pressure differential exceeds 1.0 MPa, then the control spool (2) is moved to the left until the pressure differential is restored. section C-C Type ZDC (NS 10) Symbols Pilot oil supply "internal" Type ZDC...P-20B/... Type ZDC...PT-20B/... Pilot oil supply "external",port X is closed on the valve side(only NS10) Type ZDC...P-20B/X... Type ZDC...PT-20B/X... Huade América 2
3 Pilot oil supply For internal pilot oil supply for the proportional valve and the meter-in compensator,the oil is taken from the throttling point in the compensator. Port X is then plugged. Type 4WRZ Pilot oil supply internal With external pslot oil supply, the connection in port p is closed.the pilot oil is supplied by a separate control circuit. Type ZDC P 20B/ Type 4WRZ Pilot oil supply external Type ZDC P 20B/X Ordering code ZDC * NS 10 = 10 NS 16 = 16 NS 25 = 25 2-way version(pressure reduction function) =P 3-way version(pressure limitation function) =PT Series 20 to 29 =20 (20 to 29 unchanged installation and connection dimension) Further details in clear text M= Mineral oils V= phosphate ester No code= Without special protection J= Sea water resistant Technology of Beijing Huade Hydraulic = B No code= X= Pilot oil feed "internal" Pilot oil feed "external" size flow L/min weight Kg Operating pressure A B P 35 T MPa P max X 3 to others is the same as the valves having same dimension Y up to 3,( Only when be used with the port operated proportional direction valve,otherwise 15) Degree of containsnation (μm) 20(recommend 10) Huade América 3
4 Characteristic curves (measured at V = 41 mm 2 /s and t = 50 ) ZDC10 1= With valve type 4WRZ B/6A.../... 2= With valve type 4WRZ B/6A.../... 3= With valve type 4WRZ B/6A.../... 4= With valve type 4WRA B/...Z4/... 5= With valve type 4WRA B/...Z4/... 6= With valve type 4WRA B/...Z4/... Flow control from P to A or P or P to B 7= With valve type 4WRE B/24Z4/... 8= With valve type 4WRE B/24Z4/... 9= With valve type 4WRA B/24Z4/... MPa in Pressure differential Flow control range Throttling range Huade América 4
5 Characteristic curves (measured at V = 41 mm 2 /s and t = 50 ) ZDC16 1= with valve type 4WRZ B/6A.../... 2= with valve type 4WRZ B/6A.../... in MPa Pressure differential Flow control range Throttle range ZDC25 1= with valve type 4WRZ B/6A.../... 2= with valve type 4WRZ B/6A.../... L/min Flow in in MPa Pressure differential Flow control range Throttle range Huade América 5
6 Unit Dimensions: (dimensions in mm) ZDC10 1. Nameplate 2. O-ring 12x2 for ports A,B,P,T 3. Valve fixing screw holes ZDC16 Huade América 6
7 Unit Dimensions: (dimensions in mm) 1. Nameplate 2. O- rings 22x2.5 for port A,B,P,T 3. Valve fsxing screws ZDC25 1. Nameplate 2. O-rings 27x3 for ports A,B,P,T O-rings 19X3 for ports X,Y 3. Valve fixing screws Huade América 7
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Controllers DR, DP, FR and DFR
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Check Valves. Pilot Operated Check Valves. Vickers. 4CG-10, 20 Series 4CS-03, 20 Series 4CT-06/10, 20 Series. Basic Characteristics.
Vickers heck Valves Operated heck Valves 4G-10, 20 Series, 20 Series 4T-06/10, 20 Series Typical Section 4T1-06-D*-20-U, illustrating external drain and decompression features asic haracteristics Maximum
3-Way Pressure-Reducing Cartridge, Size 2 4
-Way Pressure-Reducing Cartridge, Size 2 Q max = 2 l/min, p max = 25 bar Spool-type design, direct acting, with manual adjustment 1 Description Compact construction for cavity type AM /- UNF to Bucher
E 158 E 198 E 248. Tank top mounting Connection up to G11 / 4 Nominal flow rate up to 250 l/min e d
R e t u r n - S u c t i o n F i l t e rs E 158 E 198 E 248 Tank top mounting Connection up to G11 / 4 Nominal flow rate up to 250 l/min 20.90-5e 0.0-2d D e s c r i p t i o n Application For operation in
Proportional Pressure-Relief Cartridge Valve, Size 2...4
Proportional Pressure-Relief Cartridge Valve, Size... Q max = l/min, p max = 3 bar Direct acting, electrically operated 1 Description proportional pressure-relief valves are direct acting screw-in cartridges
4/2 way Pneumatic Solenoid Valve
4/2 way Pneumatic Solenoid Valve Compact design Push-over solenoid coil Exhaust air can be regulated Tube, threaded and sub-base connections Type combined with Seat valve version Type 2508 Type 2510/11
LPK1230 Hydraulic Crimping Tool 12 ton
SPECIFICATIONS AND PARTS LPK1230 Hydraulic Crimping Tool 12 ton Serial Code FYB Read and understand all of the instructions and safety information in this manual before operating or servicing this tool.
Pilot operated check valves 4CG
Pilot operated check valves 4CG unctional Symbols Model Code External 外部ドレン形 drain type ( 3 )- 4 C G - 3 -( D ) - -( G E 5 )- J -( S 1 )- J 1 3 4 5 6 7 Internal 内部ドレン形 drain type Valve can function to
Dual displacement motor A10VM Plug-in dual displacement motor A10VE for open and closed circuit applications
Replaces: 04.95 Dual displacement motor 10VM Plug-in dual displacement motor 10VE for open and closed circuit applications Size 28-60 Series 5 Nominal pressure 280 bar Peak pressure 350 bar 10VM Contents
Directional Valves. Hydraulic Operated Directional Valves
Service Data Vickers Directional Valves Hydraulic Operated Directional Valves (F*) DG3V 8 (B) ** (L) (X) (*) (*) 10 (EN**) Released 04/96 5007.03/EN/0496/S DG3V-8-*(C) - (X) - 10 Spring Centered 473726