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API6D Trunnion Ball Valve Anti-blow-out Stem Design

The trunnion Ball Valves is used for cutting or connecting the medium in various pipelines of class150-class2500 and pn16-pn320. It can be suitable for various media such as water, steam, oil, liquefied gas, natural gas, coal gas, nitric acid, acetic acid, oxidizing media, urea and etc. It is widely used in such industries as chemical industry, petroleum, natural gas, metallurgy and etc. The driving modes of the trunnion ball valve include worm and worm gear driving, manual driving, pneumatic driving and electric driving. The trunnion ball Pipe Valve generally adopt flange connection, and butt-welding connection is also adopted. The seat can be soft seal seat or metal hard seal seat.
Wall thickness: ASME B16.34
Fireproof test: API607
Inspection and test: API6D/API598 JB/T9092
Product range: 4″~64″, DN100~DN1600
Materials of main parts: WCB, LCB, WC6, WC9, CF8, CF8M
Seat materials: PTFE, RTFE or metal hard seal
Design features:
ISO5211 platform design is adopted for the convenience of installing the actuator
Double block and bleed function
Anti-blow-out stem design
The pressure balancing hole is provided on the steel ball
The body is provided with a device for cleaning the Valves cavity
Automatic pressure relief function
Fireproof and antistatic design
Sealant injection system for emergency seal
Multiple driving modes facilitate the realization of automatic control
Reliable stem seal and low operating torque. Metal hard seal seat can be made according to requirements.

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