Hi-Tech Systems (HTS) > Products > Quick Release Coupling (WING Series)

Quick Release Coupling (WING Series)

HTS Wing Series Quick Release Couplings are engineered for high-pressure applications requiring secure, leak-proof connections. Featuring a robust wing nut locking system, they ensure reliable performance even under vibration and harsh conditions. Manufactured with precision and premium materials, they are ideal for global industrial and hydraulic applications.

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HTS Wing Series Quick Release Couplings are widely used in high-pressure hydraulic and fluid transfer systems across industries such as oil & gas, oilfield equipment, construction, mining, and heavy mobile equipment. Their robust wing nut locking design makes them ideal for applications involving vibration, shock, and demanding operating conditions, ensuring secure and leak-proof connections. They are commonly utilized in hydraulic power packs, drilling rigs, dump and live floor trailers, submersible pump systems, and mobile machinery where reliability and safety are critical.

Size Range ½” to 2” (DN15 to DN50)
Working Pressure Up to 500 bar (depending on size & material)
Burst Pressure 3–4 times working pressure
Connection Type Threaded NPT / BSP / BSPT / SAE / METRIC THREADS
Locking Mechanism Wing Nut / Hammer Lug Type
Material Options Carbon Steel, Stainless Steel (SS304/SS316), Brass
Seal Material NBR (Standard), Viton (Optional), EPDM (Optional)
Surface Finish Zinc Plated, Phosphate Coated, Passivated / Polished (SS)
Interchangeability Compatible with Eaton 5100 Series, Parker 6100 Series, Snap-tite 78 Series & equivalent
Application Oilfield Equipment, Hydraulic Systems, Dump & Live Floor Trailers, Mobile Equipment, Submersible Pumps
Media Compatibility Hydraulic Oil, Water, Fuel, Mild Chemicals
Connection Method Manual or Hammer Tightening

1. HTS provides casted or forged Heavy-duty wing nut locking mechanism for secure and vibration-resistant connections
2. Designed for high-pressure applications with reliable sealing performance (moulded through tools)
3. Leak-proof design with high-quality sealing elements (NBR / Viton options)
4. Rugged construction suitable for harsh and demanding environments
5. Available in carbon steel, stainless steel, and brass materials
6. Corrosion-resistant finishes for extended service life
7. Fully interchangeable with Eaton 5100 Series, Parker 6100 Series, Snap-tite 78 Series, and equivalent industry models
8. Precision-machined components ensuring consistent performance and durability

HTS Model	Size (Inch)	NB (mm)	Working Pressure (PSI)	Working Pressure (Bar)	Burst Pressure (Bar)
HTS-WING-1/2"	½”	15 mm	7250 PSI	500 bar	1500 bar
HTS-WING-3/4"	¾”	20 mm	7250 PSI	500 bar	1500 bar
HTS-WING-1"	1”	25 mm	6000 PSI	420 bar	1260 bar
HTS-WING-1 1/4"	1¼”	32 mm	5000 PSI	350 bar	1050 bar
HTS-WING-1 1/2"	1½”	40 mm	4000 PSI	280 bar	840 bar
HTS-WING-2"	2”	50 mm	3000 PSI	210 bar	630 bar

Ordering Format:

flat face

Introduction

Application

Key Features

Specifications

HTS – QRC – [Series] – [Size] – [Material] – [Thread Type] – [Seal] – [Options]
Example:
HTS-QRC-B-12-CS-BSP-NBR
(ISO B Series, 1/2” Size, Carbon Steel, BSP Thread, NBR Seal)