Steam Drain Control Valve for Thermal Power Plant

Steam Drain Control Valve of Turbine Drain System in Power Plant

Technical parameter

Body

Type:  Straight globe valve body

End Connection : Raised Face (RF) & Ring Type Joint (RTJ ) according to ANSI B16.5 or other flange connecting type.

Normal Diameter:1"~8"

Pressure Rating: ANSI Class 150lb, 300lb, 600lb

Body materials: A216 WCB, WC6, WC9, CF8, CF8M, CF3, CF3M etc. or other materials provided according to customer's requirement.

Bonnet

Type: Standard/Extended

Materials: Same as Body

Packing: Normal Temp. (-10~200°c): V-Ring PTPE; above 200°c : Graphited Asbestos Packing, Carbon Fibre Packing, Ring Resilient Graphite Packing.

Trim Assembly

Plug Type: MA Type(Balanced plug)

                 MB Type(Solid plug)

                 MC Type(Self-cleaned plug)

Flow Characteristic: Equal Percentage/Linear and Quick Opening

Material: ASTM A276 431, ASTM A276 420, 440C, 630, etc. Stainless Steel. 316,316L with Stellite, or other materials provided according to customer's requirement.

Flow Direction

MA Type: side in and bottom out; MB and MC Type: bottom in and side out.

Actuator

Select by manufacturer or according to customer's requirement.

Accessory

Select homemade or imported electric/pneumatic valve positioner, pneumatic valve positioner, handwheel, valve position transmitter and air filtrated pressure reductor, etc. according to customer's requirement.

Others 

Valve designed on modular assembly principle

Leakage-free pressure-balanced design

Low sound level, Easy assembly

Designed for preciaion flow control with high pressure, high temperature and aggressive fluids

Othere shapes such as single-seat, minitype disc/plug can be available.

Acturator offered by manufacturer or according to customer's request.

 Main parts materials

Note: Other materials are available upon request.

PS: When ordering, please specify nominal pressure, bore diameter, working pressure and temperature, max flow, max design pressure differential, medium, type of actuator and connection standard etc.