Low Temperature Reducing 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
Low temperature reducing valves(pic1)
Low temperature reducing valve(pic2)
Introductions
Such special reducing valve is mainly used for liquid nitrogen, liquid nitrogen, liquid argon media system, with stable pressure regulation, reliable sealing and pressure resistance and other features.
The materials of main parts
body：0Cr18Ni9(equal to ANSI S304）
bonnet：0Cr18Ni9(equal toANSI S304）
bonnet：0Cr18Ni9(equal toANSI S304）
diaphragm：0Cr18Ni9(equal toANSI S304）
spring：0Cr18Ni9(equal toANSI S304）
sealing ring： compound PTFE
installation position： Upside-down installation, adjusting screw perpendicular to the ground, the horizontal direction
performance and specifications
nominal diameter 15；20；25；40（mm）
applicable medium Oxygen, nitrogen, argon, liquid air
nominal pressure 2.5 Mpa
intensity test3.75 Mpa
pressure regulation scope 0.1∽0.3 Mpa；0.2∽1.0 Mpa；0.8∽1.6 Mpa
applicable temperature-196∽+40℃
connection mode thread connection
pressure regulation scope
281series pressure regulation scope is 0.1~0.3Mpa
282series pressure regulation scope is 0.2~1.0Mpa
283series pressure regulation scope is 0.8~1.6MPa
Main external and connection dimensions
| product type | A | B | C | H | M |
| 15DY22F-40P | 130 | 18 | 15 | 235 | M24×1.5 |
| 25DY22F-40P | 136 | 18 | 25 | 240 | M35×2 |
| 40DY22F-40P | 170 | 20 | 40 | 245 | M52×2 |
