Sleeve Insulation 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
Sleeve insulation safety valves
type：BA42Y
nominal diameter：DN20-200
pressure class：PN1.6-4.0MPa
Applications and features
1. It is suitable for polyester, ethylene, refining heavy oil, urea fertilizers and other devices, the media should be insulated occasion, playing the role of the safety and exchange pressure.
2. nsulation for inlet flange and body, the insulated effect is good.
3. Bellows balanced structure eliminates the effects of safety valve opening pressure by back pressure, and make springs and other parts not eroded by media easily.
4. The materials are strictly selected according to the working medium, temperature, etc.
Dimensions & constructral diagram
Sleeve insulation safety valve constructral diagram
Main external dimensions
| inlet X outlet | structural dimensions | ||
| L | L1 | H | |
| 3/4 "×1 1/2 " | 130 | 124 | 420 |
| 1"×2(2 1/2 ") | 134 | 125 | 440 |
| 1 1/2 " ×2 1/2 "(3)" | 150 | 140 | 560 |
| 2"×3" | 155 | 150 | 590 |
| 3"×4" | 185 | 170 | 740 |
| 4"×6" | 225 | 200 | 890 |
| 6"×8" | 256 | 240 | 180 |
| 6"×10" | 282 | 269 | 1130 |
| 8"×10" | 310 | 280 | 1280 |
