Valves for Petroleum & Natural Gas Pipelines | Cryogenic to High-Temp
In the petrochemical sector, process media are often exposed to high temperatures, high pressures, flammability, explosive risks, toxicity, and strong corrosiveness, while refining and olefin units demand uninterrupted continuous operation. Consequently, the industry enforces stringent compliance standards for valve performance—including Fire-Safe certification (API 607/6FA), low fugitive emission controls (ISO 15848), elevated pressure-temperature ratings, and resistance to H2S and chloride stress corrosion (NACE MR0175/ISO 15156)
Operating Principle: The SJ check valve automatically opens when upstream pressure reaches the pre-set cracking pressure and provides dynamic, immediate shut-off upon pressure drops or reverse flow conditions to ensure unidirectionality.
Related Products
This industry mainly needs stainless steel ball valves, non-toxic all-plastic ball valves and butterfly valves. Among them, the demand for general-purpose valves is relatively large, such as instrument valves, needle valves, needle globe valves, gate valves, globe valves, check valves, ball valves, and butterfly valves.
Recommended Products
Key Industry Applications: Subsea Pipelines: Prevents ...
Key Industry Applications:
Subsea Pipelines: Prevents seawater ingress during backflow conditions, safeguarding pipeline integrity against contamination and severe corrosion.
Wellhead Assemblies: Prevents reverse flow from the wellbore, ensuring controlled, pressure-managed hydrocarbon extraction.
Gas Lift Systems: Regulates high-pressure gas injection while preventing hydrocarbon backflow into gas supply headers.
Pump Discharge Lines: Mitigates reverse flow momentum to protect rotating equipment from mechanical shock and reverse rotation damage.
Core Operational Role: SJ Globe valves ...
Core Operational Role:
SJ Globe valves serve as a critical flow regulation standard across upstream oil and gas operations, providing precise throttling and positive shut-off for raw crude oil, natural gas, and multiphase production fluids operating under extreme thermal and pressure regimes.
Key Technical Specifications & Deepwater Applications ...
Key Technical Specifications & Deepwater Applications:
Offshore Deepwell Integration: Specially engineered to withstand extreme wellhead pressures up to 689 bar (10,000 psi), making them indispensible for high-pressure production manifolds, Christmas trees, and offshore pre-treatment facilities.
Mechanical Strength & Process Reliability: Characterized by exceptionally high tensile strength and robust pressure-containing integrity, ensuring dependable flow modulation during heavy-duty pre-treatment processing.
Sour Service & NACE Metallurgy: Manufactured from specialized corrosion-resistant alloys (CRAs) to withstand severe sour gas exposure (H_2S) and harsh media, mitigating sulfide stress cracking (SSC) and ensuring long-term asset integrity.
Storage & Transfer Systems: Maintains unidirectional flow into storage vessels, preventing back-siphoning into main supply lines.