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Hydraulic slow closing LLDPT Lined check valves
Oil & Gas

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.
  • Size:

    2''-24'', DN50-DN600
  • Pressure:

    150lbs-2500lbs, PN16-PN420
  • Body:

    A105, LF2, F304, F316
  • Seat:

    Soft seat or Metal seat
  • Operation:

    Manual, Pneumatic, Electric, Gas over oil
  • Face to Face:

    ASME B16.10, API 6D
  • Test:

    ISO 5208, API 6D
  • Connection Ends:

    Flanged ends, BW ends
  • products details

YFL Extended stem top entry ball valves are widely installed underground in Oil & Gas transportation pipeline with extended stem for convenient operation and maintenance.

YFL Extended stem top entry ball valves technical features:


1. Extended stem, extended tube for grease injection, vent and drain for operation above ground
2. Top entry design for online maintenance
3. DBB, DIB-1,DIB-2 different sealing structure are available, the trapped medium can be discharge through drain and bleed valve, the overpressre can be relieved automatically through seat at outlet side.
4. Low torque is achieved through precise grinding, polishing and hard treatment on the trunnion ball surface.
5. With ISO 5211 top flange for connection between valves and actuators, the valves can be operated by electric actuator, pneumatic actuator and gas over oil actuator.
6. Upper and lower stem are with anti-static design according to ISO 17292 and API 6D.



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.

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