Quick Release Coupling (ISO 7241-A Series)
HTS Quick Release Couplings are precision-engineered in accordance with ISO 7241-A, ensuring full global interchangeability and reliable performance across a wide range of hydraulic applications. Manufactured using advanced automated machinery, each coupling is produced with high dimensional accuracy and consistency. The complete manufacturing, assembly, and testing processes are carried out under strict quality control systems to meet international performance standards. Every coupling undergoes 100% inspection and functional testing, guaranteeing leak-proof performance, safety, and durability in demanding operating conditions. With extensive experience in bulk manufacturing, we offer flexible production capabilities in a variety of materials to suit diverse application requirements, including carbon steel, stainless steel, and brass.
- Application
- Specification
- Key Feature
- Pressure Table
- Temperature Chart
- How To Order
- Ordering Format
HTS Quick Release Couplings manufactured in accordance with ISO 7241-A are widely used across global hydraulic and fluid handling industries where safe, efficient, and frequent connection and disconnection of lines is required. These couplings are ideally suited for construction and earthmoving equipment, agricultural machinery, industrial automation systems, and hydraulic power units. Their reliable, leak-free performance and ease of operation make them an essential component in applications involving cylinders, pumps, and manifolds, ensuring reduced downtime, improved productivity, and consistent performance in demanding international operating conditions.
- Standard Compliance: ISO 7241-A
- Type: Ball Locking Quick Release Coupling
- Connection Type: Push-to-connect / Pull-back sleeve disconnect
- Nominal Sizes: 1/4” to 2” (DN 6 to DN 50)
- End connections: BSPP, BSPT, NPT, SAE, Metric threads, Hose ends (We can also make special threads on demand)
- Working Pressure: Up to 350 bar (depending on size & material)
- Burst Pressure: Up to 4 times working pressure
- Materials of Construction: Carbon Steel / Stainless Steel / Brass
- Surface Finish: Zinc Plated / Cr3 / Nickel Plated / Electroless Nickel Plated / Passivated / Cadmium Coating / Custom Coating
- Seals: Viton, NBR, FKM, CR, Si, EPDM
- Flow Medium: Hydraulic oil, water, glycol, and compatible fluids
1. Manufactured in compliance with ISO 7241-A for full global interchangeability
2. Precision-machined components ensuring consistent performance and dimensional accuracy
3. Produced on advanced automatic machines for high repeatability and quality control
4. 100% inspection and functional testing for guaranteed reliability
5. Leak-proof sealing design to prevent fluid loss and contamination
6. Secure locking mechanism for safe and vibration-resistant connections
7. Self-sealing valves to eliminate spillage during disconnection
9. Designed for high-pressure hydraulic applications
10. Available in multiple materials including carbon steel, stainless steel, and brass
11. Suitable for bulk production with consistent quality standards
12. Long service life with minimal maintenance requirements
| Model | Size (Inch) | DN (mm) | Working Pressure (bar) | Working Pressure (PSI) |
| HTS-A-1/4" | 1/4” | 6 mm | 350 bar | 5075 PSI |
| HTS-A-3/8" | 3/8” | 10 mm | 330 bar | 4785 PSI |
| HTS-A-1/2" | 1/2” | 12 mm | 300 bar | 4350 PSI |
| HTS-A-3/4" | 3/4” | 20 mm | 250 bar | 3625 PSI |
| HTS-A-1" | 1” | 25 mm | 220 bar | 3190 PSI |
| HTS-A-1-1/4" | 1-1/4” | 32 mm | 180 bar | 2610 PSI |
| HTS-A-1-1/2" | 1-1/2” | 40 mm | 150 bar | 2175 PSI |
| HTS-A-2" | 2” | 50 mm | 120 bar | 1740 PSI |
| Seal Material | Abbreviation | Temperature Range (°C) | Temperature Range (°F) |
| Nitrile Rubber | NBR | -20°C to +100°C | -4°F to +212°F |
| Fluorocarbon | FKM (Viton) | -15°C to +200°C | +5°F to +392°F |
| Neoprene | CR | -20°C to +120°C | -4°F to +248°F |
| Silicone | Si | -60°C to +200°C | -76°F to +392°F |
| Fluorocarbon | Viton | -15°C to +200°C | +5°F to +392°F |
1. Choose your size
2. Choose your seals and material (if you don't know please share pressure and temperature)
3. Choose your material (if you don't know please share your application)
4. Choose end connections (thread type)
HTS – QRC – [Series] – [Size] – [Material] – [Thread Type] – [Seal] – [Options]
Example:
HTS-QRC-A-12-CS-BSP-NBR
(ISO A Series, 1/2” Size, Carbon Steel, BSP Thread, NBR Seal)
