Hello! WelcomeTo JOTO,We Sell All Kinds Of valves, Good quanlity and low price Self-operated pneumatic control valve 

Model:PN1.6,2.5,4.0,6.4,10MPa
Nominal Diameter:15-300mm
Material:WCB,CF3,CF3M,CF8,CF8M
D100 self-operated control valve is an energy-efficient auto modulation device which regulate according media pressure and pressure change, take it as power and move as pre-set value without external power supply. It integrated with inspect, control and execute functions, to be an independent instrument control system.

The Self-operated control valve is combined of low flow resistance single valve (sleeve), bellows balance piece (sleeve) and actuator. It’s new range product which confirm to national standard, the features are as following:

• energy-efficient auto control system without external power supply, low equipment cost, suitable for explosion proof environment

• Simple structure, easy maintenance.

• Set position can be adjusted and adjustable range is wide, easy for user continuously adjusts in the set range.

• Comparing with diaphragm type, cylinder type has faster dynamic response speed, higher accuracy and bigger adjustable ratio.

• Pressure balance device provides a rapid response, accurate control and large allowing differential pressure.This product has features like no need of power supply, Simple structure, easy maintenance & operation, very suitable for city heat& gas supply, gas supply and occasion which no power/gas supply but need to control liquid & gas pressure.

According to foreign media reported that this product will help to improve energy-efficient to 30%-40% when installed in city heating system.

Every piece of work has been strictly examined before launching on the market. Please don’t hesitate and buy with confidence.