English

English

home
Hydraulic slow closing LLDPT Lined check valves
Oil & Gas

Three Piece Body Cast Steel Trunnion Mounted Ball Valves

YFL Three-piece body cast steel trunnion mounted ball valve with cast body and trunnion mounted ball are widely used in Oil & Gas, Chemical, Power, Paper & Pulp etc.
  • Size:

    2''-56'', DN50-DN1400
  • Pressure:

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

    WCB, LCB, CF8, CF8M, 4A, 5A
  • Seat:

    PTFE, Nylon, Devlon, PEEK, PPL, Metal seat
  • Face to Face:

    ASME B16.10
  • Test:

    API 598, API 607
  • Connection Ends:

    Flanged ends, BW ends
  • Design standards:

    API 6D
  • products details

YFL Cast steel trunnion mounted ball valves are used as on-off valves widely due to excellent sealing performance and fast open and close. The trunnion ball is rotated by 90° to open or close the trunnion mounted ball valve. 

YFL cast steel trunnion mounted ball valves technical features:

1. Two-pieces cast steel body for size 12'' and smaller, three-pieces cast steel body for sizes larger than 12'';
2. Trunnion mounted ball,spring loaded seat, anti-static spring, anti-blow out stem;
3. Full bore and reduced bore available, Flanged ends and BW ends available, Soft seal and metal seal available;
4. V-PTFE live loading as standard packing and graphite packing for high working temperature;
5. Double block and bleed, the medium entrapped can be discharge through vent valve and bleed valve to aovid overpressure in the valve cavity;
6. Fire safe according to API 607, BS 6755, Secondary metal to metal seal acts as backup when the primary soft seal is destroyed by fire.


Large size LCB cast steel trunnion mounted ball valves


Three pieces body large size Cast steel trunnion mounted ball vaves


Large size cast 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. "  


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.

For more solutions, please visit www.YFLvalve.com and contact YFL at sales@YFLvalve.com.

Contact

Leave a message
Let's solve problems and create values for your projects.
related products
Fully welded ball valves

Single Welding Seam Fully Welded Ball Valves

YFL Single Welding Seam Fully Welded Ball Valves have only one welding seam on the spherical body to avoid leakage from body.
view more
Top entry ball valves

Reduced Bore Trunnion Mounted Top Entry Ball Valves

YFL Trunnion Mounted Top Entry Ball Valves have only an integral body and the ball is assembled from top entry so that the maintenance can be done in line.
view more
Pilot operated safety valves

Pilot Operated Safety Valves For Long Distance Pipelines

YFL Pilot operated pressure relief valves are mainly applied in such industries as petroleum, natural gas, chemistry, electric, metallurgy and city gas for large discharge.
view more
Axial flow check valves

API 6D Al-bronze Axial Flow Check Valves

YFL Axial flow check valves are designed to be used widely in Oil & Gas long distance pipeline and installed in front of the pumps and compressors to avoid backflow.
view more
LF2 Top entry ball valves

LF2 High Pressure Top Entry Ball Valves

YFL LF2 High pressure top entry ball valves are used for cryogenic service under high working pressure with forged steel body and less leakage point to achieve low emission.
view more
Extended stem ball valves

Extended Stem Top Entry Ball Valves

YFL Extended stem top entry ball valves are mainly used in long distance pipeline for Oil & Gas with extended stem and top entry design for online maintenance.
view more
Top entry rising stem ball valves

Friction Free Top Entry Rising Stem Ball Valves

YFL Rising stem top entry ball valve which has no friction during opening and closing are suitable for applications with high switching frequency.
view more
Extended stem fully welded ball valves

Buried Underground Extended Stem Fully Welded Ball Valves

YFL Buried type extended stem fully welded ball valves are widely installed underground in long distance pipeline for transportation of petroleum and natural gas.
view more
District heating fully welded ball valves

Fully Welded Ball Valves For Heating Supply

YFL Fully welded ball valves for heating supply and fuel gas system are with fully welded body to prevent leakage from body.
view more
leave a message
welcome to YFL
Let's solve problems and create values for your projects.
copyright © 2021 YFL FLOW CONTROL CO., LTD..all rights reserved.

home

products

about

contact