High Pressure Trunnion Ball Valve Description
High-pressure trunnion ball valve is an industrial valve designed for ultra-high pressure working conditions. It achieves stable cutting through the trunnion-fixed ball structure. Its core feature is the pressure resistance level ≥ Class 600 (above 10MPa), which is suitable for harsh environments such as petroleum and chemical industry.
Production standards
Design specifications: API 6D-2014 (Pipeline valve structure) 58 + ASME B16.34 (Pressure-temperature grade); Material requirements: The valve body must comply with ASTM A105 (forged steel) or A216 WCB (cast steel), and the valve stem for sulfur-containing working conditions must pass NACE MR0175 sulfur resistance certification.
Testing requirements
Factory test:
Shell strength: 1.5 times nominal pressure water pressure test (≥10 minutes pressure maintenance);
Sealing performance: 1.1 times pressure inert gas test, leakage rate ≤ISO 5208 Class A (zero leakage);
Fireproof verification: 650℃ fire for 30 minutes to maintain sealing (API 607).
Performance verification:
Full pressure differential opening and closing life ≥5000 cycles (API 6D);
Ultra-low temperature applicability: -196℃ liquid nitrogen environment sealing test (deep cold working conditions).
High Pressure Trunnion Ball Valve specification
|
item |
High Pressure Trunnion Ball Valve |
|
Warranty |
1 years |
|
Type |
BALL VALVES |
|
Customized support |
OEM, ODM, OBM, Software reengineering |
|
Place of Origin |
Henan, China |
|
Brand Name |
GNEE |
|
Model Number |
Q641F/H-16C/25C/64C |
|
Application |
General |
|
Temperature of Media |
High Temperature, Low Temperature, Medium Temperature, Normal Temperature |
|
Power |
Hydraulic |
|
Media |
Water, steam, oil. |
|
Port Size |
DN15-DN300 |
|
Structure |
BALL |
High Pressure Trunnion Ball Valve
Advantages
Ultra-high pressure stability: The trunnion offsets the fluid thrust, and the sealing life of Class 2500 working conditions is increased by 40%;
Adaptability to extreme environments: Reliable sealing from -196℃ deep cold to 550℃ high temperature;
Low maintenance cost: Modular valve seats support online replacement without valve removal;
Safety compliance: Passed multiple certifications such as API 607 fire protection and NACE sulfur resistance.
Applications
Ultra-high pressure energy: shale gas fracturing pipeline (Class 2500), natural gas compression station;
Deep cold industry: liquid hydrogen (-196℃), liquefied natural gas storage and transportation;
Highly corrosive chemical industry: acidic medium (including H₂S), high-temperature molten salt pipeline;
Nuclear power equipment: nuclear island coolant control (550℃ high-temperature steam).
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