BFHV01-TA01
OEM
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China OEM Valve Supplier-Stainless Steel Wafer Check Valve
As a professional China OEM Valve Supplier. Tianjin Worlds Valve Co.,Ltd is a trustworthy OEM Valve Supplier and Manufacturer in China.We provide valves with high quality standard and OEM custom valve solutions for our international clients.Tianjin Worlds Valve has obtained ISO9001 International Quality System certification ,EC certificate of conformity, WRAS certificate and ACS certificate.Stainless Steel Wafer Check Valve is high performance valve.We have extensive experience in high-quality and customized Check valves. We are committed to providing customers with reliable and innovative fluid control solutions. Stainless Steel Wafer Check Valve use Stainless Steel material,which provides excellent corrosion resistance and durability,Wafer Check Valve design allows for easy installation between two flanges,saving space and installation time.
Main Material:
Name | Material |
Body | Cast Iron Ductile Iron Carbon Steel Stainless Steel AL-Bronze |
Disc | Ductile Iron Carbon Steel Stainless Steel AL-Bronze |
Pin | Stainless Steel Monel K500 |
Seat | BUNA NBR EPDM VITON HEPDM Neoprene Hypalon Natural rubber |

Executive Standard:
Design Standard | EN12334 EN14341 |
Inspection & Test | EN12266-1 ISO5208 |
End Standard | ANSI B16.1 125LB |
Face to Face | EN558-1 Series16, ISO 5752 Series16 , ANSI B16.10 , API 594 125LB,API 594 150LB |


This article introduces a 10-inch PTFE lined lug butterfly valve featuring a ductile iron body, a PTFE seat, and a PTFE-encapsulated ductile iron disc–rated at Class 150. With full PTFE encapsulation ensuring zero metal contact and bubble-tight sealing, this valve is ideal for aggressive chemical, pharmaceutical, and semiconductor applications. As an LRQA-certified ISO 9001:2015 OEM/ODM manufacturer with over 19 years of export experience, Tianjin Worlds Valve Co., Ltd. offers fully customizable solutions to meet specific project requirements.
Double flanged butterfly valve for heavy-duty systems: ductile iron body, CF8M disc, vulcanized EPDM seat for zero leakage and metal isolation. Electric actuator (on-off/modulating with feedback), PN16, fully customizable. Certified ISO 9001, CE, UKCA, WRAS, ACS; 100% pressure tested with traceable certs. Factory direct, 15–40 days lead time.
Wafer butterfly valve with ductile iron body, CF8 disc, and EPDM seat. Reliable bubble-tight shut-off for water, HVAC, and industrial systems. OEM/ODM available.
This guide covers everything you need to know about lug butterfly valves—why they outperform wafer valves in dead-end service and isolated maintenance, how material selection (ductile iron, stainless steel, carbon steel) impacts performance, and key installation and maintenance best practices. Learn the lug vs wafer comparison, common selection mistakes to avoid, and how to choose the right body material, seat, and actuator for water treatment, chemical processing, oil & gas, and HVAC applications. Backed by ISO 9001 certification and full OEM customization with 19+ years of export experience.
This guide covers PTFE lined butterfly valve operation, components, and benefits of virgin PTFE with a 3‑4 mm thick liner (50% thicker than standard). The inert PTFE surface provides chemical resistance (pH 0‑14), purity, and bubble‑tight sealing from ‑40°C to 200°C. Applications include chemical, pharmaceutical, food, water, oil & gas, and semiconductor industries. It compares linings, offers a selection guide, and details quality tests (30KV spark, hydrostatic, traceability). From Tianjin Worlds Valve (19+ years), the article highlights virgin PTFE, thick liner, and certifications (ISO, CE, UKCA, etc.) ensuring reliable, low‑maintenance, cost‑effective control for aggressive and high‑purity fluids.
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