ASTECH VALVE CO.,LTD.

AST was established in Mar.1999, the company's leading operation include valve design, manufacture and sales. AVC was established in Jan. 2010, and fell together with ASTIC for the parent company, the company's leading operation include design & manufacture of Wafer Type Check Valve Series & Metal Seat Ball Valve Series. Our company by ANGLO JAPANESE AMERICAN REGISTRARS TAIWAN LIMITED ISO - 9001 in June 2011, and plan by CE & API in 2013. For expansion of the Japanese market demand, and Japan branch was established in Nov. 2004, It's mainly responsible for sales, and a quality assurance section warehousing and delivery. The Company towards stability and professional quality is the main direction and strategy. To establish an independent AST & AVC brand and marketing East Asia, Southeast Asia and the Middle East market. Find OEM and ODM partners, and plan to market to Europe and America.

Pneumatic Actuator Diaphragm Valve

Pneumatic Actuator Diaphragm Valve is made from premium material for optimum application to achieve the best fit and specifications for reliability. ASTECH VALVE CO.,LTD. is a well-reputed organization dealing with the manufacturing and supplying of Pneumatic Actuator Diaphragm Valve and other relative products. We have established strong customer relationships by providing innovative, user-friendly and high-quality products that are manufactured in our sound infrastructure. As being a reputed manufacturer and exporter in the industry, ASTECH VALVE CO.,LTD. will more focus on the quality and innovation of the Pneumatic Actuator Diaphragm Valve, and provide impeccable service and reasonable price for the customers.
Pneumatic Actuator Diaphragm Valve

Pneumatic Actuator Diaphragm Valve

Parts and Material List :

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 / Carbon Steel

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 B D0 ES Air
Pressure
(Mpa)
Windpipe
Joint
(in)
Air
Consumption
(cm3)
mm inch 150LB 10K 150LB 10K 150LB 10K 150LB 10K 150LB 10K
20 3/4 117 98.0 100.0 69.9 75.0 43.0 56.0 4-16 4-15 10.5 2 345 168 120 61 0.3 1/8 163.9
25 1 127 108.0 125.0 79.2 60.0 61.0 67.0 4-16 4-15 11.5 2 395 168 120 61 0.3~0.4 1/8 196.7
32 1-1/4 146 117.0 135.0 88.9 100.0 64.0 76.0 4-16 4-15 13.0 2 400 168 1230 61 0.3~0.4 1/8 229.4
40 1-1/2 159 127.0 140.0 98.6 105.0 73.0 81.0 4-16 4-19 14.5 2 485 260 165 62 0.3~0.4 1/4 1425.7
50 2 190 152.4 155.0 120.7 120.0 92.0 96.0 4-19 4-19 16.0 2 635 318 165 63 0.3~0.4 1/4 2284.1
65 2-1/2 216 177.8 175.0 139.7 140.0 105.0 116.0 4-19 4-19 18.0 2 650 318 165 63 0.3~0.4 1/4 3048.0
80 3 254 190.5 185.0 152.4 150.0 127.0 126.0 4-19 8-19 19.5 2 660 318 165 63 0.4~0.5 1/4 3244.7
100 4 305 228.6 210.0 190.5 175.0 157.0 151.0 8-19 8-19 24.0 2 815 425 280 64 0.4~0.5 3/8 6964.5
125 5 356 254.0 250.0 215.9 210.0 186.0 182.0 8-22 8-23 24.0 3 825 425 280 64 0.4~0.5 3/8 7439.7
150 6 406 279.4 280.0 241.3 240.0 216.0 212.0 8-22 8-23 25.5 3 1015 549 365 65 0.5 3/8 14912
200 8 521 342.9 330.0 298.5 290.0 270.0 262.0 8-22 12-23 29.0 3 1300 749 485 65 0.6 1/2 49161

    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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ASTECH VALVE CO.,LTD. is a well-known manufacturer and supplier of Pneumatic Actuator Diaphragm Valve in Taiwan. We promise to provide quality products to our customers in a timely manner and at a competitive price. ASTECH VALVE CO.,LTD.'s products have always been known for quality and reliability, making our Pneumatic Actuator Diaphragm Valve becomes the most specified brand in the machinery & industrial supplies business. We welcome the feedback of all our customers regarding service, selection, pricing or anything that can help us serve you better.