Socket Welded Forged Steel Lift Check Valve
manufacturer: Shanghai MeiYan Yi Pump & Valve Co., Ltd.
E-mail: sales@1bengfa.com
Tel: +86 (21) 5640 2009
Mob: +86 138 1691 3072（WeChat Same Account）
product drawing
Socket welded forged steel lift check valves
Dimensions & constructral diagram
Socket welded forged steel lift check valve constructral diagram
Performance and specifications
| type | pressure class | test pressure（MPa） | working temperature（℃） | applicable medium | ||
| shell | sealing(water) | sealing (gas) | ||||
| H61H-800Lb、H61Y-800Lb | 800Lb | 21.0 | 14.0 | 0.6 | ≤450 | water,steam,oil |
| H61H-800Lb、H61Y-800Lb1 | ≤550 | water,steam,oil | ||||
| H61H-800LbP、H61Y-800LbP | ≤200 | weak corrosive media | ||||
| H61H-800LbR、H61Y-800LbR | ≤200 | corrosive media | ||||
The materials of main parts
| part name | body | bonnet | disc | bolt | |
| material | C | 25Mn | 25Mn | 3Cr13 | 35Mo |
| I | 15CrMo | 15CrMo | 3Cr13 | 35Mo | |
| P | 0Cr18Ni9 | 0Cr18Ni9 | 0Cr18Ni9 | 35Mo | |
| R | 0Cr17Ni12Mo2Ti | 0Cr17Ni12Mo2Ti | 0Cr17Ni12Mo2Ti | 1Cr17Ni2 | |
Dimensions and weight
| nominal diameter DN | dimensions （mm） | weight （㎏） | |||||
| mm | in | L | l | D | D1 | H | |
| 15 | 1/2 | 80 | 10 | 34 | 21.8 | 47.5 | 1.25 |
| 20 | 3/4 | 90 | 13 | 40 | 27.1 | 52.5 | 1.6 |
| 25 | 1 | 100 | 13 | 50 | 33.8 | 62.5 | 2.4 |
| 32 | 1 1/4 | 120 | 13 | 58 | 42.6 | 78 | 3.75 |
| 40 | 1 1/4 | 140 | 13 | 66 | 48.7 | 92 | 5.5 |
| 50 | 2 | ||||||
