IMPA: 734402

Stainless Steel Flareless Union 8mm – SUS316 for High Pressure Marine Systems

This stainless steel flareless union (8mm tube O.D.) is designed for extreme high and low temperature, high pressure environments. Suitable for vacuum lines and precision gas analyzer tubing, it delivers reliable performance in demanding marine and industrial applications. Manufactured from high-grade SUS316 stainless steel, it offers excellent corrosion resistance and durability.

Tested to 850 Kgf/cm² and rated for a working pressure of 210 Kgf/cm², this union conforms to JIS PT (tapered pipe thread) and JIS PF (pressure gauge connection) standards. Ideal for ship piping systems requiring leak-free connections under severe conditions.

Key Features

Technical Specifications

SpecificationValue
Tube O.D.8 mm
MaterialStainless Steel SUS316
TypeFlareless Union
Test Pressure850 Kgf/cm² (12,100 psi)
Working Pressure210 Kgf/cm² (3,000 psi)
Thread StandardJIS PT / JIS PF
UnitPiece (Pc.)
IMPA Code734402

Frequently Asked Questions

What is a flareless union used for?

A flareless union provides a leak-free connection in high-pressure piping systems without requiring tube flaring. It is commonly used in hydraulic, pneumatic, and instrumentation lines on ships.

What is the working pressure of this union?

This union has a working pressure of 210 Kgf/cm² (approximately 3,000 psi) and a test pressure of 850 Kgf/cm² (12,100 psi).

What thread standards does this fitting comply with?

It meets JIS PT (tapered pipe thread) and JIS PF (parallel thread for pressure gauges) standards.

Is this fitting suitable for seawater or corrosive environments?

Yes, the SUS316 stainless steel construction offers excellent resistance to corrosion, including seawater and many chemicals, making it ideal for marine applications.

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