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Home > Product > Quick Release Coupling (QRC) > Material Options for Quick Release Couplings > Super Duplex Quick Release Coupling (QRC)

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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Super Duplex qrc

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

  1. ISO A/B and Flat Face Hydraulic Couplings
  2. Screw-Type and Double Shut-Off Models
  3. Panel Mount, Hose-End, and Flanged QRCs
  4. 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

Call

+91-9004860491

E-mail

[email protected]

Website

www.perfectqrc.com

Industrial Application

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

Why Super Duplex QRCs from Perfect Engineers?

  1. Made from certified Super Duplex forged or barstock material
  2. Leak-tested and compliant with NACE and offshore specifications
  3. Supplied with full documentation – MTC, CoC, Hydro Test Report
  4. 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

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

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

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

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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