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Super Duplex Quick Release Coupling (QRC) – Engineered for Chloride-Rich, High-Stress Environments

Perfect Engineers delivers top-tier Super Duplex Quick Release Couplings (QRCs) built for demanding offshore, desalination, and chemical service conditions. With exceptional mechanical strength and superior corrosion resistance, our QRCs made from Super Duplex (UNS S32750 / S32760) alloys are ideal for high-pressure and high-chloride media applications.

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Why Choose Super Duplex QRCs?

Outstanding resistance to pitting and crevice corrosion in seawater and brines
Twice the strength of SS 316 – suitable for high-pressure fluid systems
Excellent performance in sour service, chlorides, and oxidizing environments
Long lifecycle and minimal maintenance in offshore and industrial settings

Super Duplex QRC Variants

ISO A/B and Flat Face Hydraulic Couplings
Screw-Type and Double Shut-Off Models
Panel Mount, Hose-End, and Flanged QRCs
Custom Pressure-Tested Offshore QRC Designs

Technical Specifications

Parameter	Specification
Size Range	1/4″ to 2″
Pressure Rating	Up to 15,000 PSI
Material Grade	Super Duplex S32750 / S32760 (UNS S32750/S32760)
Temperature Range	-50°C to +300°C
Seals	Viton, PTFE, EPDM
Threads	BSP, NPT, UNF, Metric
Standards	ISO 7241-A/B, ISO 16028, NACE MR0175, ASTM A182

Contact Us for Pricing & OEM Support

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+91-9004860491

E-mail

[email protected]

Website

www.perfectqrc.com

Industrial Application

Offshore oil & gas rigs, FPSOs, and jack-up platforms
Desalination, marine cooling, and brine filtration
Chemical processing skids and hydrochloric acid systems
Nuclear and thermal power plant auxiliary systems
High-pressure hydraulic and instrument lines

Why Super Duplex QRCs from Perfect Engineers?

Made from certified Super Duplex forged or barstock material
Leak-tested and compliant with NACE and offshore specifications
Supplied with full documentation – MTC, CoC, Hydro Test Report
Custom-engineered ends for EPC, OEM, and marine applications

Export Countries & Indian Supply Cities

We supply and export to major hydraulic hubs:

Export Markets:

UAE, Saudi Arabia, Germany, Malaysia, Vietnam, Egypt, South Africa, Qatar

Domestic Supply:

Mumbai, Pune, Ahmedabad, Delhi, Coimbatore, Hyderabad, Chennai, Baroda

FAQs

What makes Super Duplex better than standard stainless steel?

It offers twice the strength and much higher corrosion resistance in chlorinated and high-pressure systems.

Is Super Duplex suitable for seawater and brine?

Absolutely. It’s the top-grade choice for marine and offshore service.

Can I request NACE-compliant QRCs?

Yes. All Super Duplex QRCs can be supplied with NACE MR0175 documentation.

Do you offer pressure test certificates?

Yes. We provide full pressure test reports with every dispatch.

What seal options are available?

Viton and PTFE are standard; Kalrez and EPDM available on request.

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We serve purchase heads, OEMs, and end-users with tailored Super Duplex Quick Release Coupling (QRC) – Engineered for Chloride-Rich, High-Stress Environments recommendations and commercial pricing.

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