As a trusted China supplier of nipple check valves, we offer this 3/4 inch (DN20) valve, made from high-temperature forged alloy steel, which meets ASTM A182 F91 standards for exceptional strength and thermal resistance. Rated for Class 1500 LB, it is built for high-pressure environments and features long nipple welding ends to ensure secure, leak-proof connections. Its durable forged steel construction provides reliable backflow prevention even under extreme conditions. Ideal for power generation, petrochemical, and other demanding industrial applications, our check valves are engineered for precision, performance, and long-term durability in the toughest systems.
Product Item: ASTM A182 F91 Check Valves, Long Nipple Ends, Forged Steel
Type: Check Valve
Body Material: ASTM A182 F91, High Temperature Alloy Steel
Trim Material: ASTM A182 F91
Size: 3/4 Inch, DN20
Class Rating: Class 1500 LB, PN250
Ends: Welding Nipple
Source: https://www.landeevalve.com/extended-nippe-check-valves-astm-a182-f91-3-4-inch-cl1500.html
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