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Ceramic Knife Gate Valves solve abrasion problem in Power & Mining
Control Valves

Self-operated Pressure Control Valves

YFL Self-Operated Pressure Control Valves don't need any extra energy to regulate the flow automatically only by the energy from the flow itself.
  • Size:

    DN25-DN300, 1''-12''
  • Pressure:

    PN16-PN100, 150lbs-600lbs
  • Body:

    WCB, CF8, CF8M
  • Stem:

    304, 316, PTFE
  • Operation:

    Diaphragm type, Piston type, Bellows type
  • Flow characteristic:

    Quick open
  • Lining:

    60Si2Mn, 50CrVA
  • Diaphragm:

    NBR, EPDM, FKM
  • products details
YFL self-operated pressure control valves are widely used to automatically reduce, stabilize or relieve the pressure of gas, fluid and steam in industries of petroleum, chemical, power, metallurgy, food, textile, machinery manufacturing and resident building.


YFL self-operated pressure regulating valves features:


1. No any extral energy needed, energy conservation, low cost 
2. Self-operated, automatical, suitable for explosive environment
3. Simple structure, easy for maintenance
4. Adjustable and wide range set point, convenient for continuous adjustment
5. Pressure from valve body, easy for pipe connection
6. Pressure balanced construction, sensitive adjustment, accurate control, applicable for high pressure difference 

Why Choose YFL?

1. Experienced in providing best solutions according to various sever working conditions to solve problems
2. Strict quality control from raw materials, machining to pressure test and function test
3. Professional technical support and fast response trouble shooting
4. Approved & Registered vendor of Glencore & Umicore
5. Successful cases and reference list available
6. Customizable, Flexible,  Short delivery time

Testimonials from Glencore in Mining industry

"We are very happy with the results so far, and the valves seem to be top quality.
You must understand that this factory has some of the world's toughest conditions with regards to abrasive and corrosive solutions. We dissolve metals and most products and suppliers we tested in our applications failed. "  


YFL for 誉丰利 means benefiting from reputation.

We cast brand and forge reputation by quality and service.

We focus on your satisfaction and our responsibility.

Let‘s solve problems and create values for your projects.


self operated pressure control valves

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