Fully Welded Ball Valve_Fully welded ball valve_Product_Jiangsu SGTek Energy Equipment Co.,Ltd

Fully Welded Ball Valve

This series of ball valves features a fully welded, integral body structure, offering zero leakage, an extended service life, and maintenance-free operation. They are ideal for long-distance transmission pipeline systems in industries like petroleum and natural gas, which demand the highest levels of safety and reliability.

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Structural Characteristics

Emergency Temporary Seal

In case of stem seal failure, an O-ring can be installed at the adapter plate for a temporary seal.
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Actuator Options

Pneumatic / Electric / Hydraulic / Gas-over-Oil / Electro-hydraulic
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Anti-Static Design

Anti-static ball and spring to discharge static electricity.
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Multiple Seat Options

DBB/DIB seat options, zero-pressure/full-pressure differential sealing, low-torque design.
04
Emergency Sealant Injection System

Located in the seat and stem sealing areas for rapid seal recovery and easy periodic cleaning.
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Anti-Blowout Stem

A retaining ring on the upper stem prevents blowout during gland/ actuator disassembly.
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Optional Stem Extension Assembly

Can be configured with a stem extension for buried installation
07
Multiple Stem Sealing

Triple O-rings plus a fire-safe graphite ring provide double sealing in case of fire, thus enhancing reliability.
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Superior Body Neck Welding Quality

Spherical body shell design allows for full inspection of upper and lower neck welds, thus ensuring welding quality
09
Connection End Design

Multiple end connections to suit user requirements and installation methods.
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Main Technical Parameters

Nominal Diameter	DN50-DN800 \| 2"-32"
Design Pressure	PN16-PN100 \| CLASS150-CLASS600
Medium Temperature	-29℃~+121℃
Working Medium	Natural gas, oil products, water, etc.
Valve Construction	Fully welded
Design & Manufacturing Standards	API 6D、API 608、ASME B16.34、GB/T 12237、GB/T 19672
Flange Connection	ASME B16.5、GB/T 9113、HG/T 20592-20635
Welding Connection	ASME B16.2
Face-to-Face Dimension	API 6D、ASME B16.10、GB/T 12221、GB/T 19672
Certifications

Product Recommendation

Cast Steel Floating Ball Valve

This series of ball valves features a floating ball and a forged body design. With their compact structure and lightweight design, they are suitable for fluid transmission pipeline systems in the petroleum, natural gas, and chemical industries.

Forged Steel Floating Ball Valve

This series of ball valves features a floating ball and a forged body design. The dense material and excellent mechanical properties make them suitable for fluid transmission pipeline systems in the petroleum, natural gas, and chemical industries.

Cast Steel Trunnion Mounted Ball Valve

Forged Steel Trunnion Mounted Ball Valve

This series of ball valves features a trunnion mounted ball and a forged body design. Characterized by dense material, excellent mechanical properties, and high pressure-bearing capacity, they are suitable for high-pressure, severe service pipeline systems in the petroleum, natural gas, and chemical industries.

Fully Welded Ball Valve