ZHJP（low temperature type）pneumatic single seat control valve
manufacturer: Kaiweixi Valve Group Co., Ltd.
Eml: Lucas@kaiweixi.com
Tel: +86（577）6703 8872
Mob: +86 195 1816 9569（WeChat Same Account）
product drawing
ZHJP（low temperature type）pneumatic single seat control valves
Overview
ZHJP type pneumatic diaphragm single seat regulator is the the most commonly used actuator in automatic control system, it is composed by pneumatic diaphragm actuator and low flow resistance regulator. Single seat is applicable to occasions that is strict for leakage, low pressure differential around valve and has a certain viscosity and contain fiber medium, Two seat valve has small unbalanced force, large allowed pressure differential, large flow capacity and other characteristics. It is applicable to occasions that is not strict for leakage, sleeve valve has good stability, not easily vibration, low noise, small temperature sensitivity, is applicable to large pressure differential and not strict for leakage occasions.
technical parameters
| DN(mm) | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 |
| rated flow coefficient Kv | 8 | 12 | 20 | 32 | 50 | 80 | 120 | 200 | 280 | 450 |
| PN MPa | 1.6 、 4.0 、 6.4 (normal temperature ) ； 4.0 、 6.4 ( mesotherm type) | |||||||||
| medium temperature ℃ | -20 ～ 200( normal temperature) ； -40 ～ 450(mesotherm type ) | |||||||||
| flow characteristic | linear,equal percentage | |||||||||
| body material | welding high-temperature carbon stell cast steel GB/T12229-1989 ZG270-500 ； JIS SCPH2 | |||||||||
| core, stem material | SS 1Cr18Ni9Ti | |||||||||
| adjustable ratio | 30 ： 1 | |||||||||
| adjustable spares | Flameproof electrical-peumatic valve locator and handwheel devices, air filter relief-pressure valve | |||||||||
