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Jiangsu Jiechuang
Pneumatic Diaphragm Actuator for Control Valve Matching
Product Overview
This is single-unit spring return pneumatic diaphragm actuator.
Compressed air pushes inner diaphragm to drive valve stem travel.
It is matched with different valve body to form full control valve.
Side graduated ruler displays stem opening position directly.
Multiple spring ranges meet different process pressure requirements.
Application
It serves as drive part for industrial globe control valve.
It matches valve body for petrochemical pipeline flow regulation.
It supports power plant boiler automatic control system.
It cooperates with PT100 temperature transmitter for closed-loop temperature control.
It is spare replacement part for old control valve maintenance.
Parameters
Item | Specification |
Product Type | Multi-spring Diaphragm Pneumatic Actuator |
Standard Spring Range | 20~100kPa /40~200kPa Optional |
Supply Air Pressure | 0.14~0.4MPa |
Action Type | Air to Open / Air to Close Optional |
Matched Valve Size | DN15~DN300 |
Housing Material | Cast Iron |
Diaphragm Material | NBR Rubber |
Stem Material | SS304 Stainless Steel |
Ambient Temp | -20℃ ~ +120℃ |
All parameters can be customized as required.
