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Product Advantage
 | 1. Trunnion Design for Low Torque & High Differential Pressure Fixed ball supported by upper and lower trunnion bearings reduces operating torque by 60% compared to floating ball valves. Suitable for pressure drop up to 15MPa. Double piston effect (DPE) seats ensure bi-directional sealing even at zero differential pressure. 2. Anti-Static & Fire-Safe Design (API607 / API6D) Built-in anti-static device ensures electrical continuity between ball, stem, and body (tested <10Ω). Certified to API607 (7th edition) and API6D – after 30 minutes fire exposure at 760°C, secondary metal-to-metal seat provides zero visible leakage. 3. Low Fugitive Emission (TA-LUFT & ISO15848-1 B1) Live-loaded stem packing and double sealing rings pass TA-LUFT and ISO15848-1 B1 tests. Methane leakage ≤ 50 ppmv, helium leakage < 10⁻⁶ mbar·L/s. Ideal for VOC control, natural gas, and hazardous chemical applications. |
4. High-Precision Casting & Full Traceability Investment casting with OBLF spectrometer (accuracy 0.001%) for material verification, CNC machining centers (tolerance ≤ ±0.01mm). Each body has a unique heat number; raw material, production, NDE, and testing records traceable for 15+ years. 100% PMI on all pressure-containing parts. 5. SIL3 Functional Safety & Extended Cycle Life TÜV certified to SIL3 (IEC 61508) with PFDavg ≤ 1.0×10⁻⁴. Independent cycle test: >50,000 open-close cycles under rated pressure without leakage (ISO 15848-1). Emergency sealant injection system available for in-line repair. 6. 100% Testing & Global Standard Compliance Every valve undergoes 100% hydrostatic shell test (1.5× rated pressure), 100% high-pressure pneumatic seat test (1.1× rated pressure), 100% PMI, and 100% low-pressure gas seat test (0.6MPa). All test reports signed and traceable. Conforms to ANSI, JIS, DIN, GB, BS, ISO. | |
