Stainless Steel Pipe Fittings (Oil Joints)

Design Highlights Quick Disassembly Structure

Unique Three-Piece Design (Nut, Female, Male)

Installation can be completed by hand tightening

No need to rotate or cut the pipeline during disassembly

Triple Sealing Guarantee

Flat End Face Sealing: Precision-ground sealing surface

Conical Auxiliary Sealing: 30° self-tightening conical surface design

Elastic Gasket Sealing: Optional PTFE/rubber gaskets

Worry-Free Maintenance Features

Sealing performance remains unchanged after 50 repeated disassembly and assembly

360° Free Adjustment of Interface Direction

Single-point disassembly during maintenance, without affecting the overall pipeline

Technical Parameters Material: 304/3 16L stainless steel body, silicone/PTFE gaskets

Pressure rating: PN16/PN25 (1.6/2.5MPa)

Temperature range: -20℃ to 150℃ (depending on gasket material)

Connection method: Both ends are internally threaded or one end is internally threaded and the other end is externally threaded

Core applications:

Instrument connection points: Convenient installation of flow meters and pressure gauges

Equipment inlets and outlets: Quick-connect interfaces for pumps, valves, and other equipment

Sectional maintenance sections: Piping sections requiring frequent maintenance

Temporary piping: Temporary fluid systems for exhibitions, experiments, etc.

Installation Guide ① ① Connect the male and female connectors to the pipes at both ends respectively.

② Insert the sealing washer (groove facing the female connector).

③ Tighten the connecting nut by hand until it feels tight.

④ Turn it another 1/4 turn with a wrench (do not overtighten).

Quality Commitment: Each sealing surface is tested with blue oil, with a contact area ≥85%.

Passed 10,000 pressure cycle tests.

FDA-certified washer material is available.

Custom sizes are supported (delivery within 3 days).

Selection Recommendations

Routine maintenance: Standard PTFE washer (-20℃~150℃)

Food and pharmaceutical: Silicone washer (FDA certified)

High-temperature conditions: Metal toothed washer (up to 400℃)

Stainless steel unions—giving pipe connections greater maintenance freedom!