Single Lever Safety Valve
manufacturer: Shanghai MeiYan Yi Pump & Valve Co., Ltd.
Eml: sales@1bengfa.com
Tel: +86 (21) 5640 2009
Mob: +86 138 1691 3072（WeChat Same Account）
product drawing
Single lever safety valves
Applications
GA42H single lever safety valves is suitable for the temperature ≤ 450 ℃ power plant boilers and pressure containers, to prevent pressure exceeding the maximum allowed value, the medium is steam, air.
Dimensions & constructral diagram
Single lever safety valve constructral diagram
The materials of main parts
| No. | part name | C type materials |
| 1 | Body | Carbon steel |
| 2 | Guided sleeve | Stainless steel |
| 3 | Disc | 2Cr13 |
| 4 | Stem | 2Cr13 |
| 5 | Lever | Carbon steel |
| 6 | Heavy hammer | Cast iron |
External and connection dimensions（mm）
| Type | nominal diameter DN(mm) | Dimension(mm) | |||||||||||||||||||
| do-z | D | D1 | D2 | D6 | f | f1 | b | z-d | L | H | outlet flange type | outlet socket type | |||||||||
| DN’ | D2’ | n-M’ | D1’ | D’ | d1 | K2 | K3 | D3 | |||||||||||||
| GA42H-16 | 50 | 40×1 | 165 | 125 | 100 | / | 3 | / | 16 | 4-18 | 840 | 412 | 125 | 175 | 8-16 | 120 | 235 | 120 | 145 | 162 | 190 |
| GA42H-25 | 50 | 40×1 | 165 | 125 | 100 | / | 3 | / | 20 | 4-18 | 840 | 412 | 125 | 175 | 8-16 | 120 | 235 | 120 | 145 | 162 | 190 |
| GA42H-40 | 50 | 40×1 | 165 | 125 | 100 | 88 | 3 | 4 | 20 | 4-18 | 840 | 412 | 125 | 175 | 8-16 | 120 | 235 | 120 | 145 | 162 | 190 |
| GA42H-64 | 50 | 40×1 | 175 | 135 | 105 | 88 | 3 | 4 | 26 | 4-23 | 840 | 420 | 125 | 175 | 8-16 | 120 | 235 | 120 | 145 | 162 | 190 |
| GA42H-100 | 50 | 40×1 | 195 | 145 | 112 | 88 | 3 | 4 | 28 | 4-25 | 840 | 420 | 125 | 175 | 8-16 | 120 | 235 | 120 | 145 | 162 | 190 |
