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.

Single Door Wafer Type Check Valve

ASTECH VALVE CO.,LTD. designs and manufactures Single Door Wafer Type Check Valve that complies with the most stringent operating requirements. Furthermore, we provide customized solutions to our clients based on their demands and assure the delivery of all consignments within the promised time-frame. Based on our long manufacturing experience in developing new products, our company possesses the capability of manufacturing a wide range of Single Door Wafer Type Check Valve and is able to cater to the unique needs of our customers. Please visit any of our great locations to see the latest products from manufacturers like Single Door Wafer Type Check Valve, Wafer Check Valve, Spring Check Valve and many more!
Single Door Wafer Type Check Valve

Single Door Wafer Type Check Valve

Our company specializes in manufacturing professional Wafer Check Valve and Spring Check Valve.
Parts and Material List :

Parts No. Parts Name Material
WCB CF8 CF8M
1 Body A216 WCB A351 CF8 A351 CF8M
2 Disc A216 WCB / A351 CF8 / A351 CF8M
3 Body Seal NBR / EPDM / VITON / PTFE
4 Seat NBR / EPDM / VITON / PTFE / METAL / A.S. Overlay
5 Fix Bush SS316
6 Socket Head Cap Screw SS316
7 O-Bolt A105 SS304
Note: The chart above only lists out some common composition of steel single door wafer check valve parts. We may provide other different parts material composition according to the customer's request or the actual valve working condition.

Seat Material Medium Max. W,P. (Mpa) Max. Temperature Range ( °C )
NBR W.O.G 1.2 -10 °C to 90 °C
EPDM W.O.G 1.2 -20 °C to 120 °C
VITON W.O.G 1.2 -30 °C to 160 °C
PTFE W.O.G 1.2 -30 °C to 200 °C
Metal W.O.G & Others 1.5 Same as Body
Metal with Overlay W.O.G & Others 1.5 Same as Body

NPS L ∮d ∮D NPS L ∮d ∮D
inch mm 10K 150 LB inch mm 10K 150 LB
1/2" 15A 14 8 55 47 6" 150A 20 113 220 220
3/4" 20A 14 9 60 56 8" 200A 27 142 270 278
1" 25A 14 12 70 66 10" 250A 29 190 325 340
1-1/4" 32A 14 16 80 76 12" 300A 35 211 370 409
1-1/2" 40A 14 21 85 85 14" 350A 38 260 415 448
2" 50A 14 30 104 104 16" 400A 45 306 475 510
2-1/2" 65A 14 43 124 124 18" 450A 55 358 530 548
3" 80A 14 50 134 134 20" 500A 65 408 580 605
4" 100A 18 72 155 174 22" 550A 70 450 640 657
5" 125A 18 93 190 190 24" 600A 70 485 690 715

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ASTECH VALVE CO.,LTD. recognizes our customers have different needs, and we want to help you find the perfect Single Door Wafer Type Check Valve from our wide selection of styles and designs. Our company is one of the main producers of Single Door Wafer Type Check Valve in machinery & industrial supplies and is highly regarded for quality products. We achieve our goals through dedicated associates performing the highest quality workmanship, which in turn allows us to supply our customers with the best products and services. Please feel free to contact us if you have any inquiries or problems.