Safety Valve Series

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Sleeve Insulation Safety Valve

manufacturer: Shanghai Fengqi Industry Development Co., Ltd.
Eml: sales@fengqi.sh.cn

Tel: 86 (21) 3652 8716
Mob: (86) 138 1635 6498

product drawing

Sleeve insulation safety valves
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
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
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