Hydraulic slow closing LLDPT Lined check valves

Pneumaitc Operated Cast Steel Trunnion Mounted Ball Valves

YFL Pneumatic operated cast steel trunnion mounted ball valves are used to cut off the medium by 90 degree rotation of trunnion mounted ball.
  • Size:

    2''-36'', DN50-DN900
  • Pressure:

    150lbs-2500lbs, PN10-PN420
  • Body:

    WCB, LCB, CF8, CF3M, CF8M, Duplex 2205
  • Seat:

    PTFE, NYLON, DEVLON, PEEK, PPL, Metal seat
  • Face to Face:

    ASME B16.10, EN558
  • Connection Ends:

    Flanged Ends, BW ends
  • Design standards:

    API 6D, ISO 14313
  • Ball:

    A105+ENP, F304, F316
  • products details

YFL Two-piece body cast steel trunnion mounnted ball valves are designed with two-piece cast steel body and trunnion mounted ball. They are widely used as on-off valves or control valves in industries of Oil & Gas, Power, Chemical, Mining & Metallurgy, Paper & Pulp, Food & Pharmaceutical etc.

YFL Two-piece body cast steel trunnion mounted ball valves technical features:

1. Two-piece bolted body, easy maintenance and convenient disassembly;
2. Trunnion mounted solid ball suitable for large size ball valves and higher working pressure;
3. Fire safe according to API 607, API 6FA or BS5=6755, Anti-static according to API 608, Anti-blow out stem;
4. Full bore and reduced bore available, flanged ends and BW ends available; 
5. V type ball for precise regulating and O type ball for normal open/close;
6. Metal seat for high working temperature and abrasive medium with leakage class IV, soft seal for higher leakage class Class VI.
7. Face to face according to ASME B16.10 or EN558-1, Flange dimensions according to ASME B16.5 or EN1092-1;
8. Oil free and special cleaning for Oxygen and chlorine;
9. Manual, electric operated, pneumatic operated, hydraluic operated, gas over oil operated.

Pneumatic cast steel trunnion mounted ball valves

Cast steel trunnion mounted ball valves production

Electric cast steel trunnion mounted ball valves

WCB Caste steel trunnion mounted ball valves

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. " 

We open your business and close the problems.

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 improve process for your projects.


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