ASTECH VALVE CO.,LTD.Taiwan

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Products

Description :
Diaphragm Valve is one of our main products, featuring its high quality and easy installation.


Features :
No. Part Name Material
1 Body WCB CF8 CF8M CF3 CF3M
2 Bonnet WCB CF8 CF8M CF3 CF3M
3 Lining UNLINED / NEOPRENE / PTEE / RUBBER
4 Diaphragm NEOPPENE / VITON / EPDM / PTEE / PFA / HYPALON
5 Disc WCB CF8 CF8M CF3 CF3M
6 Bolt A193-B7 A193-B8M
7 Stem SS420 F304 F316 F304L F316L
8 Handwheel Aluminum Alloy

Diaphragm Material
Material Temp. Range. Typical Service
NEOPPNEN -5 ~ 90 Oils. Grease, Air and reclicactive fluids
VITON -5 ~ 90 Hydrcarbon Acids, Suophuric Applications
EPDM -20 ~ 120 High Chemical and Chlorine Resistance
PTEE -20 ~ 150 High Chemical and Chlorine Resistance
PFA -40 ~ 180 High Chemical and Chlorine Resistance
HYPALON -5 ~ 100 Good Acid and Ozone Resistance. Certain Chlorine Application
 

NPS L ∮D ∮D1 ∮D2 z - ∮d b f H Electric Actoator Weight
kg
mm inch 150LB 10K 150LB 10K 150LB 10K 150LB 10K 150LB 10K Type Torque(N-m) S-O(sec)
20 3/4 117 98.0 100.0 69.9 75.0 43.0 56.0 4-16 4-15 10.5 2 345 - - - -
25 1 127 108.0 125.0 79.2 60.0 61.0 67.0 4-16 4-15 11.5 2 395 Z5-18/16 50 17 40
32 1-1/4 146 117.0 135.0 88.9 100.0 64.0 76.0 4-16 4-15 13.0 2 400 Z5-18/16 50 20 41
40 1-1/2 159 127.0 140.0 98.6 105.0 73.0 81.0 4-16 4-19 14.5 2 485 Z5-18/16 50 14 44
50 2 190 152.4 155.0 120.7 120.0 92.0 96.0 4-19 4-19 16.0 2 635 Z10-18/16 50 20 50
65 2-1/2 216 177.8 175.0 139.7 140.0 105.0 116.0 4-19 4-19 18.0 2 650 Z10-18/16 150 28 60
80 3 254 190.5 185.0 152.4 150.0 127.0 126.0 4-19 8-19 19.5 2 660 Z10-36/25 100 16 70
100 4 305 228.6 210.0 190.5 175.0 157.0 151.0 8-19 8-19 24.0 2 815 Z10-36/25 100 17 77
125 5 356 254.0 250.0 215.9 210.0 186.0 182.0 8-22 8-23 24.0 3 825 Z15-18/16 150 32 92
150 6 406 279.4 280.0 241.3 240.0 216.0 212.0 8-22 8-23 25.5 3 1015 Z15-18/16 200 53 120
200 8 521 342.9 330.0 298.5 290.0 270.0 262.0 8-22 12-23 29.0 3 1300 Z20-36/25 300 33 180

    Note:
  1. Pneumatic diaphragm valve also can be installed feedback signal, limited mchine, air combination or solenoid Valves in order to adapt to the requirements of automatic control, programed control or flow rate adjustment.
  2. The feedback signal of pneumatic valve is adopted the sense technology of non-contact.
  3. Adopt film cylinder in place of piston cylibder, which remove the aduse that piston ring is easily damaged and lead to not open or close valve.
  4. When are soutce happen to trouble can operate handwheel to open the valve.

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