Home > Product > Minimess Test Couplings > Stainless Steel Minimess Test Couplings
Perfect Engineers offers a premium range of Stainless Steel Minimess Test Couplings, engineered for use in harsh, corrosive, and sensitive applications where material purity and long-term durability are critical.
These couplings are designed for real-time pressure testing, fluid sampling, and venting in hydraulic, pneumatic, and lubrication systems—without shutdown, spillage, or contamination. Made from SS316/SS316L, they provide exceptional resistance to chlorides, acids, seawater, and cleanroom chemicals.
| Industry | Applications |
|---|---|
| Offshore & Marine | Seawater hydraulic control systems, ballast valves |
| Chemical Processing | Acidic chemical dosing systems, pH monitoring loops |
| Pharmaceutical / Biotech | Nitrogen and WFI line diagnostics |
| Food & Beverage | Hydraulic bottle capping and filling systems |
| Power Generation | Turbine oil monitoring, high-pressure testing |
| Aerospace & Defense | Fuel, LOX/LN₂ cryogenic line test points |
| Specification | Details |
|---|---|
| Base Material | SS316 / SS316L (ASTM A276/A479) |
| Max Pressure | 630 bar (tested to 9,000 PSI) |
| Temp Range | –40°C to +200°C (with Viton or EPDM seals) |
| Valve Type | Ball-type or Poppet-type |
| Threads | Metric (M16x2, M14x1.5), NPT, BSPT, UNF |
| Sealing Options | NBR, FKM (Viton), EPDM, PTFE |
| Surface Finish | Passivated, optional electropolished |
| Standards | DIN 2353 / ISO 8434-1 compliant |
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Yes. We offer oxygen-cleaned, hydrocarbon-free SS couplings for O₂, N₂, and cleanroom fluids.
Absolutely. These are ideal for acids, chlorides, solvents, and corrosive chemical lines.
Yes. They are dimensionally compatible and can be used interchangeably with major global brands.
Yes. We provide EN 10204 3.1 Material Test Certificates and optional pressure test reports.
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