pressure relief valve

PRESSURE REDUCING VALVE PRESSURE:150LB-600LB SIZE:1''-12'' MATERIAL: Carbon Steel

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PRESSURE REDUCING VALVE PRESSURE:150LB-600LB SIZE:1''-12'' MATERIAL: Carbon Steel

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

Parts	Material	Parts	Material
body	A216 WCB, 316 etc.	packing	Flexible graphite
seat ring gasket	Flexible graphite+mesh board	gland	ASTM A182 F316, A276
seat ring	ASTM A276 431	stem	ASTM A182 F316, A276
spiral wound gasket	ASTM A276 431	cover board	ASTM A29 1045
disc	Flexible graphite+316	bonnet	A216 WCB, 316 etc.
bonnet gasket	Flexible graphite+mesh board	cage gasket	Flexible graphite+mesh board
main nuts	ASTM A29 1045	main bolts	ASTM B7

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.

pressure relief valve