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Home > Product > Quick Release Coupling (QRC)

Quick Release Coupling (QRC)

Perfect Engineers is an ISO 9001:2015 certified manufacturer, exporter, and OEM supplier of Quick Release Couplings (QRC) based in Mumbai, India. Built to serve a wide range of high-pressure, quick-connect fluid applications, our QRCs are precision-engineered for seamless integration across hydraulic, pneumatic, chemical, and gas systems worldwide.

Whether you’re dealing with water transmission lines or hydraulic equipment in extreme environments, our couplings reduce leakage, save time, and improve safety—without compromising performance.

Table of Contents

What is a Quick Release Coupling?

A Quick Release Coupling (QRC) is a mechanical connector used to quickly connect or disconnect fluid lines without tools. It’s designed for fast and leak-proof service, often used in hydraulic and pneumatic systems. The full form of QRC is Quick Release Coupling, and it’s sometimes referred to as a Quick Connect or Quick Disconnect Coupling.

Overview of Quick Release Couplings

QRCs play a critical role in fluid transfer systems by reducing operational downtime and ensuring safe, secure connections. From compressed air lines to high-pressure hydraulic machines, QRCs simplify maintenance, reduce spill risk, and support automation.

Benefits of QRC in Industrial Applications

  1. Tool-free installation
  2. Leak-proof disconnection
  3. Reusable and interchangeable
  4. Prevents fluid loss and contamination
  5. Ideal for repetitive connect/disconnect cycles
  6. Supports both static and dynamic industrial systems

How Quick Release Couplings Work

Quick release couplings use a locking sleeve mechanism. When the male plug is inserted into the female socket, internal valves automatically open, allowing fluid flow. Upon disconnection, the valves shut instantly, preventing backflow or leakage.

Types of Quick Release Couplings

Hydraulic Quick Release Coupling

Hydraulic Quick Release Coupling

Ideal for heavy-duty applications like hydraulic presses, cylinders, jacks, and high-pressure fluid systems. These QRCs can withstand up to 15,000 PSI and are built for pulse pressure durability.

  • Application: Mobile equipment, power plants, construction hydraulics
  • Connection Type: Male-Female, threaded, ISO A/B compatible
Pneumatic Quick Release Coupling

Pneumatic Quick Release Coupling

Used in compressed air systems and pneumatic tool lines. Designed for quick and safe connections in automation, workshops, and assembly lines.

  • Application: Air tools, automation lines, garages
  • Sealing: Single shut-off; lightweight body

Flat Face Quick Release Coupling

Flat-face design prevents fluid loss and contamination during connection and disconnection. Zero-spill, easy to clean.

  • Application: Oil & gas, fire-safe systems, chemical plants
  • Standard: ISO 16028 compliant
Double Shut-Off Quick Release Coupling

Double Shut-Off Quick Release Coupling

Valves on both male and female sides prevent fluid loss when disconnected. Ensures complete fluid isolation.

  • Application: Hydraulic machinery, liquid transport
Single Shut-Off Quick Release Coupling

Single Shut-Off Quick Release Coupling

Valve only on the socket side; plug side remains open. Common in air tools and non-hazardous applications.

  • Application: Air compressors, paint spraying
Straight Through Quick Release Coupling

Straight Through Quick Release Coupling

No valves—maximum flow, minimal resistance. Not suitable for high-leakage-risk fluids.

  • Application: Water, lubricants, general utility lines

Screw-Type Quick Release Coupling

Threaded locking mechanism ensures stability under vibration and pressure spikes.

  • Application: Earthmoving machines, mobile rigs, mining equipment

Push Pull Couplings

Quick-connect couplers designed for one-handed operation. Auto-lock feature with sleeve release.

  • Application: Agricultural machinery, mobile repairs

Technical Specifications Table

Feature Specification
Brand PE-LOCK by Perfect Engineers
Size Range 1/8″ to 4″
Connection Types Male x Female, Male x Hose, Female x Female
Thread Types BSP, NPT, UNF, JIC, Metric
Media Compatibility Water, Air, Gas, Oil, Steam, Chemical
Operating Pressure Upto 10000 PSI
Temperature Range -40°C to +300°C
Materials SS 304, SS 316, Brass, CS, Aluminium, Monel, Duplex, Titanium
Seals Nitrile, Viton, EPDM
Compliance ISO 7241-A/B, DIN, SAE

Contact Us for Pricing & OEM Support

Call

+91-9004860491

Website

www.perfectqrc.com

Export & Domestic Demand

India is a growing hub for precision-engineered couplings due to rapid industrialization in construction, automotive, and process industries. We actively export QRCs to 30+ countries including:

Export Countries:

UAE, Qatar, Saudi Arabia, Canada, Germany, Sri Lanka, Bangladesh, Malaysia, Kenya, Indonesia, South Korea, Oman, Ghana, Singapore, Sudan, Nigeria, Zambia, Myanmar, Djibouti, Algeria, Kuwait, Nepal, South Africa, Tanzania, Italy, Jordan, Turkmenistan, Iraq, Guinea, Bahrain, Japan, China, Taiwan, Uganda

Indian Supply Cities:

Mumbai, Chennai, Delhi, Ahmedabad, Hyderabad, Kolkata, Coimbatore, Pune, Baroda, Jaipur, Gurgaon, Mangalore, Tughlakabad, Patparganj, Dadri, Mundra, Nellore, Ankleshwar, Bangalore

Frequently Asked Questions (FAQs)

Quick Release Coupling.

A device used in pipelines to quickly connect/disconnect fluid lines in air, water, hydraulic or chemical systems.

By inserting a male plug into a female socket with an internal valve system that seals when disconnected.

Flat Face – typically refers to sealing face design in QRC or flanges.

Push-to-connect, threaded, or camlock-type self-sealing couplings.

Only if undersized; otherwise, they’re designed for efficient flow.

Measure the OD of the male/female plug or reference thread size (BSP/NPT).

It depends on your application—Flat Face for spill-free, Screw-Type for vibrations, etc.

ISO 7241-A/B, DIN Interchange, SAE, Parker, Stucchi-compatible formats.

Explore More Quick Coupling Options

01.

Material Options

Choose the Right Material for Your Industry Needs
From standard SS 304 to high-performance alloys like Inconel and Titanium, we offer a wide range of QRC materials to match every media and environment.

02.

QRC Configurations

Perfect Fit, Every Time
Available in Male, Female, Hose Socket, and PU Tube types with BSP/NPT threading. Engineered for maximum sealing and fluid compatibility.

03.

Working Pressure Categories

Built to Withstand Up to 10,000 PSI
Select couplings based on your system’s PSI requirement—1500 / 3000 / 6000 / 10000 PSI. Precision tested for high-stress systems.

04.

QRC Standards & Compatibility

Global Standards. 100% Interchangeable.
We manufacture QRCs as per ISO 7241-A, ISO 7241-B, and DIN interchangeability standards to ensure seamless integration.

05.

Quick Connect Couplers

Multiple Series for Your Every Connection
From SH, SM to SF series (20/30/40 sizes), available in SS, MS, and Brass. Also offering Minimess Test Couplings for diagnostics.

06.

Application-Based QRC Solutions

Custom QRCs for Every Fluid System
Water, air, steam, gas, food, oil & chemicals—find quick couplings built for every pressure and process challenge.

Why Choose Perfect Engineers?

Proven Since 1988 – Trusted Globally With over 35 years of excellence in precision fluid coupling systems, we are India’s leading name in quick release coupling manufacturing.
  • ISO 9001:2015 Certified Infrastructure
  • Exporting to 30+ Countries Across Industries
  • In-house R&D + CNC Machining Facilities
  • Ready Stock, Fast Delivery, OEM Support
  • Supplied with Mill Test Certificates, Custom Documentation
  • Built to Match Parker, Stucchi, Holmbury, and Nitto Standards
“When reliability matters, global buyers trust Perfect Engineers.”

Ready to Connect Faster, Safer, Smarter?

Explore Configurations, Compare Materials, and Get Prices Fast
We serve purchase heads, OEMs, and end-users with tailored QRC recommendations and commercial pricing.