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Double Weld Joint Ball Valve


Normal Size: NPS 2" ~ 48"
Pressure Rating: Class 150 LB ~ Class 1500 LB

Design Standard: API 6D

End to End: API 6D

Connection: Buttweld
Material: A105, LF2, F304, F316, F304L, F316L, F321, F51, F53
Drive Method: Manual, Gear Box, Electro-motion, Pneumatic, Linkage

Test Standard: API 6D


Fully-welded ball valve is widely used in recent years, mainly used in oil and natural gas gathering and pipeline transportation, Our single weld joint ball valve are developed by our technician, artistically designed and more practical. Our ball valve is in accordance with two-way sealing valve seat, automatic discharge pressure at the same time, fire prevention, anti-static function.


Full weld, Matel or Soft sealing, Antistatic Device, Fire safe, Double seat, Double block and bleed, Long Life time.

1 Fully welded body;
2. Full bore or Venturi reduced bore;
3. Welding ends, flanged ends or weldding&flanged ends;
4. All forged steel body and trim;
5. Fire safe designed and antistatic device;
6. Ball trunnion-mounted in the body;
7. Blowout resistance designed;
8 Bi-directional (All-tightening) or Single-directional(Self-relieving) seats;
9.Double Piston effect seating(Bubble-tight seat seals);
10. Metal-to-metal and/or soft ball composite sealing;
11. Emergency seals for stem and seat providing a full-contained sealant injection back-up system;
12. Double block and bleed(DBB);
13. Nickel plating and/or chrome plating for carbon steel trim;
14. Low operating pure torque
Design & Manufacturing Standard:API 6D, ASME B16.34, API 608, MSS SP-72, BS 5351
Face to face:ASME B16.10 ,API 6D,EN 558
End Connection Size:ASME B16.5,ASME B16.47 (DIN 2501)
Butt Welding Size:ASME B16.25
Pressure-Reference Temperature:ASME B16.34
Test and inspection:API 598,API 6D
Prevent Electrostatic Design:Fireproofing Design API 607/6FA
Double Weld Joint Ball Valve
Related Products
  Floating Ball Valve
  Single Weld Joint Ball Valve
  Double Weld Joint Ball Valve
  Metal to Metal Seated Ball Valve
  Orbit Ball Valve
  Top Entrance Ball Valve
  Trunnion Ball Valve
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