Gold Member Since 2011
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Zhejiang Naibang Valve Co., Ltd.

Fully Welded Ball Valve, All Welded Ball Valve, Welded Ball Valve manufacturer / supplier in China, offering Fully Welded Bw End Underground Ball Valve, Flanged Double Disc Swing Check Valve (H46), API 6D Cast Steel Butt Welded Trunnion Ball Valve and so on.

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Fully Welded Bw End Underground Ball Valve

Purchase Qty.:
5-99 100+
FOB Unit Price: US $250 US $20
Purchase Qty. (Pieces) FOB Unit Price
5-99 US $250
100+ US $20
Get Latest Price
Production Capacity: 50000PCS/Year
Transport Package: Export Standard Package
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: Q67F
  • Connection Form: Welding
  • Nominal Pressure: ANSI CLASS 150-900
  • Structure: Fixed Ball Valve
  • Function: Blow-Down Valve
  • Application: Industrial Usage, Water Industrial Usage
  • Class: 150lb to 2500lb
  • Application Fields: Metallurgy,Light Industrial,Electric Power,Petroch
  • Trademark: NIPO/OEM
  • Origin: Wenzhou, Zhejiang, China
  • Material: Cast Steel
  • Driving Mode: Worm Gear
  • Channel: Straight Through Type
  • Type: Fixed Ball Valve
  • Temperature: Normal Temperature
  • Size: 1/2" to 56"
  • Certificates: API 6D, CE, ISO9001
  • Delivery Detail: 20~45 Days According to The Specific Quantities
  • Specification: API6D, ISO9001, CE, SGS, etc
  • HS Code: 8481804090
Product Description
Fully Welded Ball Valve Product Description

Technical descriptions:

Nominal diameter: Regular bore DN15 to DN 1400 (1/2" to 56");
Nominal Pressure: PN 16 to PN 64 / ANSI Class 150 to Class 300;
Working temperature: -29 centigrade to 200 centigrade (-20 fahrenheit to 392 fahrenheit )
Service: District heating hot water, natural gas, oil, steam, petrochemical. Etc.
Operate actuator: Lever, gear (Vertical / Horizontal), pneumatic / electrical


1 International Certificates & Standards;
2 Designed for district heating system, heat transfer piping, oil pipelines and gas industry application
3 Same lifetime as the pipeline system;
4 Maintenance-free, no adjustment or lubrication with no running costs;
5 Bi-Directional valve.

Main Characteristics:

1 One-piece welded body & End piece connection pipe (Connection dimension to ASTM / EN / KS / JIS / GOST Standard. Etc will be available.
2 Bubble tight excellent sealing with PTFE+C seats.
3 Pre-loaded seat springs ensure leak-tight at low pressure and reduce valve operational torque.
4 Anti blow-out stem.
5 Double O-rings ensure the stem sealing and are replaceable.
6 Stem dry bearing, metal with PTFE coating having self-lubricating capabilities. (Additional lubricant unnecessary.

Materials Available:

Body: ST37.8 / A105 / LF2 / F304 / F316. Etc.
Ball: F304 / F316 ( Option upon request )
Seat: PTFE+C / Nylon / PEEK. Etc.

We welcome all the world customers to contact us for more cooperation.

With our years of technical knowledge and experience,we assure you,

Naibang will be one of your best parters in China.

Applicable Standards
DesignASME B16.34, API6D 
Fire safeAPI 607 
Anti staticAPI 608, API6D 
Face to faceASME B16.10, API6D
Welding endsASME B16.25
Inspection and testAPI 598, API 6D  

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