single seat type control valve
Short Description:
The single-seat control valve adopts the top guided unbalanced structure, featured by high strength, heavy load, S type flow channel, low pressure drop loss, high flow coefficient, wide adjustable range, high flow characteristic precision, etc. Featured by tight shut-off, this kind of control valve is suitable for applications with relatively low differential pressure. It is suitable for controlling medium flow or pressure.
The cage adopts the press-in type seat design, which solves the problems of difficult disassembly and high leakage of the traditional thread screw-in type seat and prolongs the service life. The flow to open design is adopted, and the medium flow direction tends to the opening direction of the valve with good controllability of small opening and low flow characteristic distortion. Special cages with noise reduction and anti-cavitation functions can be offered according to the requirements in different service conditions.
Parameters of control valves：
| Trim features： | top guided unbalanced trim structure quick disassembly type structure |
|---|---|
| Body type： | straight-through type angle type |
| Bonnet type： | standard type heat dissipation type cryogenic type bellows type |
| Flow characteristic： | equal percentage linear quick open |
| Size： | DN15-200(1/2”-8”) (small flow control valve DN1-DN10) |
| Pressure class： | PN1.6、4.0、6.3Mpa（ANSI 150、300、600LB） |
| Leakage class： | ASME B16.104 Ⅴ（standard type metal seat） ASME B16.104 Ⅵ（shut-off soft seat） |
| Pipe connection type： | flange type butt welding type |
| Applicable temperature range： | -196C°～ 550C° |
| Actuator type： | pneumatic diaphragm actuator pneumatic piston actuator |
