product description
Lift forged steel check is widely used for pipeline of petroleum, chemical engineering and other industries. The check valve is mainly made of forged steel, also can adopt other materials to meet the requirements of customers.
Dimensions & Weights
| Specifications | S | L | T | H ≈ | Weights(㎏)≈ | ||||
| British System | Metric System | JNSI | JIS | ANSI | ISO、BS | JIS | 900～1500Lb | ||
| NPI 60 | RC 55 | PT 55 | |||||||
| 1/2 | 15 | 21.8 | 22.2 | 79 | 1/2 | 61 | 1.4 | ||
| 3/4 | 20 | 27.1 | 27.7 | 92 | 3/4 | 65 | 1.5 | ||
| 1 | 25 | 33.8 | 34.5 | 111 | 1 | 79 | 3.1 | ||
| 1 1/4 | 32 | 42.6 | 43.2 | 120 | 1 1/4 | 95 | 3.9 | ||
| 1 1/2 | 40 | 48.7 | 49.1 | 152 | 1 1/2 | 103 | 5.6 | ||
| 2 | 50 | 61.1 | 61.1 | 172 | 2 | 118 | 8.9 | ||
Materials
| No.Components CS to ASTMAS to ASTMSS to ASTM Type A105NType F22Type F304(L)Type F316(L)1Valve BodyA105NA182 F22A182 F304(L)A182 F316(L)2Lift Valve DiscA276 420A276 304A276 304(L)A276 316(L)3gasket304 +flexible graphite316 +PTFE4Bonnet A105NA182 F22A182 F304(L)A182 F316(L)5Name PlateSS6Bolt A193 B7A193 B16A193 B8A193 B8MSuitable MediumWater, vapour, oil, etc. Water, vapour, oil, etc. Nitric acid, acetic acid, etc.Suitable Temperature-29℃-425℃-29℃-550℃-29℃-200℃ | |||||||
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No.2 Shanghai Brilliant City, No.8666 Hunan Rd, Pudong new district, Shanghai-201314, China
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