Author name: zhejianghuahai

In the modern factory building of Yongxing Industrial Zone in Longwan, Wenzhou, the production workshop of Wenzhou Huahai Seal Technology […]

Sealing rings for metal pipeline flange connections are core sealing accessories extensively applied in oil and gas drilling projects, industrial

Proper pre-installation preparation is the most critical step to eliminate field leakage for RTJ gasket connections. Even tiny defects or

RTJ (Ring Type Joint) gaskets are vital high-pressure sealing parts for oil, gas and petrochemical plants. Rigorous incoming inspection is

The oil and gas sector is the most dominant end market for RTJ (Ring Type Joint) gaskets. Featuring outstanding high-pressure

RTJ ring joint gaskets are precision sealing components widely used for high-pressure working conditions in the oil and gas, chemical,

Inconel 625 – Up to 1000°C, excellent oxidation and corrosion resistance, suitable for H₂S (hydrogen sulfide) / CO₂ environments. Ideal

Oil & gas – Wellheads, Christmas trees (API 6A), subsea manifolds, high-pressure pipelines and valves. Refining & petrochemical – Catalytic

Two core mechanisms: Plastic deformation (coining) – Bolt preload compresses the gasket, causing controlled local plastic deformation (not full permanent

ASME B16.20 covers dimensions, tolerances, materials, and marking for metallic gaskets used with ASME B16.5 and B16.47 flanges. It includes