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Top Entry Ball Valve

Top entry ball valve is mainly used in pipeline and industry system and it has a top entry and on line maintenance function. It has a lot of advantages, such as fluid resistance, convenience for operation and maintenance, open and close quickly, as well as start and close flexibly. The design has One piece body, top entry, low operation torque, reliable sealing, double block&bleed(DBB), anti-static and fire safe design, extension stem, various driving types to meet the end user's requirements.
Top entry ball valve assembly can be repaire, maintaince and check, fireproof design for safe pipeline, metal to metal or PTFE sealing, long life, wide temperature range. It is widely used for the pipe system of gas, oil transproting and the pipes system in serious in serious conditions. All our top entry ball valves are full bore design for long distance pipeline industry.

Technical character and standards compliance 
1. Unibody design
2. Blow out proof stem, fire-proof and anti static design
3. Design and manufacture: API 6D
4. Face to face: ASME B16.34, BS5351
5. Flange dimensions: ASME B16.5 (MSS SP-44)
6. Temperature&pressure rating: ASME B16.34, BS5351
7. Inspection and test: API 598, API 6D
8. Valve operator: handle, gearbox, electric

Main materials
Part name
Material
Body/Bonnet
WCB, LCC, LCB, CF8, CF8M, CF3, CF3M
Ball
A105+ENP, A105+HCr, A105+Tungsten Carbide, 2Cr13, 304, 316, 304L, 316L
Seat
PTFE, Viton, PEEK, 2Cr13, Stellite

Products List

Ball Valve
◆ Cast Steel Floating Ball Valve
◆ Forged Steel Floating Ball Valve
◆ Cast Steel Trunnion Ball Valve
◆ Forged Steel Trunnion Ball Valve
◆ Welded Structure Ball Valve
◆ Top Entry Ball Valve

Butterfly Valve
◆ Concentric Type Butterfly Valve
◆ Double Eccentric Butterfly Valve
◆ Triple Offset Butterfly Valve
◆ High Performance Butterfly Valve
◆ AWWA C504 Butterfly Valve
◆ Electric Butterfly Valve 
◆ Pneumatic Butterfly Valve
◆ High Pressure Butterfly Valve  

Gate Valve
◆ Cast Steel Gate Valve
◆ Pressure Seal Gate Valve
◆ Throught Conduit Gate Valve
◆ Forged Steel Gate Valve

Globe Valve
◆ Cast Steel Globe Valve
◆ Pressure Seal Globe Valve
◆ Forged Steel Globe Valve

Check Valve
◆ Cast Steel Swing Check Valve
◆ Pressure Seal Check Valve
◆ Dual Plate Wafer Check Valve
◆ Forged Steel Check Valve

Plug Valve
◆ Sleeve Soft Sealing Plug Valve
◆ Inverted Pressure Balance Lubricated Plug Valve

◆ Steel Strainer

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China Valve Manufacturer - www.chinavalve.info
Address: Sanqiao Industrial Zone, Oubei Town, Yongjia County, Zhejiang Province, China. Zip Code: 325102
Tel: +86-577-67279881 Fax: +86-577-67279880 Email: sales@welcovalve.com
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