Description
Model HAP series angle type control valve body adopts an angular structure, unbalanced multi-stage pressure drop control valve is suitable for applications with high differential pressure and applications that produce flash evaporation and cavitation. According to the requirements in different service conditions, it is designed with various multihole cages that form a multi-stage pressure drop trim, so that the internal energy of high-speed media is consumed and flow velocity is reduced from the time when the fluids contact the first cage. As it is composed of various cages, the pressure is gradually reduced so that the medium pressure is always above the saturated vapor pressure, and the occurrence of flash evaporation and cavitation is eliminated. The standard configuration is the unbalanced single-seat plug and the plug and seat are subjected to hardening treatment to prolong the service life of the trim. The valves of large sizes can be designed with a balanced single-seat plug structure.
STANDARD SPECIFICATION
Trim feature
Sleeve guided unbalanced trim structure, a combination of multi-hole cages
Body type
Straight-through type, angle type
Bonnet type
Standard type, heat dissipation type, cryogenic type, bellows
Flow characteristic:
Equal percentage, linear, quick open
Shut-off class
ASME B16.104 V (standard metal seat) ASME B16.104 VI (shut-off soft seat)
Connection type
The flange type, butt welding type
Applicable temperature range
-196°C – 570°C
Actuator type
Pneumatic diaphragm actuator
Pneumatic piston actuator
Electric actuator
What Is The Difference Between Pressure Control Valve and Flow Control Valve
