Single Seated Control Valve

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  • Last update:

    2018-12-03 00:22

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Company Profile
Xi'an Parri Control Technology Co.,Ltd
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No. 2618, Lugang Building,Xi'an International Trade&Logistics Park, Xi'an City, Shaanxi Province,China


Product Details

Single Seated Control Valve

The valve body cavity of Parri's single seated control valve adopts an equal-section S-shaped flow channel design to minimize the flow resistance coefficient and effectively improve the flow capacity; the design of the guide vane is increased in the inner cavity, eliminating the possibility of the fluid medium forming a vortex in the inner cavity, based on The modular design concept, according to different working conditions, uses different combinations of trims to meet the process requirements of various common or harsh fluids.

Size: 3/4”-12” , DN20-DN300

Pressure range: Class 150lb-2500lb, PN1.6MPa-PN42.0MPa

Temperature: -196℃~+425℃

Connection: Flanged, BW

Body type: straight through, angle type, z-shaped, 3-port

Trim features: high loaded, cage, top guided unbalanced trim, quick disassembly structure

Upper bonnet type: normal temperature standard, high temperature cooling, low temperature extended

Stem Seal type: ordinary standard packing seal, high temperature packing seal, bellow seal

Standard leakage class: CLASS V (standard type, metal seat) , CLASS VI (selection, soft seat)
Flow characteristic: equal percentage, linear

Adjustable ratio: 30:1-50:1

Leakage standard: ANSI B16.104

Actuator: Pneumatic diaphragm, Pneumatic piston, Electric, Electro hydraulic actuator


l Different flow characteristics for plugs

l Satisfy different process application

l Low pressure drop loss

l High flow coefficient

l Wide adjustable range

l High accuracy of flow characteristic

l Quick disassembly structure, easy maintenance

l Cage for noise reduction and cavitation resistance is optional

Parts Materials:

Parri Control provides you a full range of actuated valves, actuators and their accessories, If you have any inquiry or question about them please contact us at