ISO 7241 Hydraulic Quick Couplers – A & B Series Overview
What Is ISO 7241?
The ISO 7241 standard defines the interchangeability and
dimensional requirements of hydraulic quick disconnect couplings. It is globally recognized and ensures that hydraulic couplers from
different manufacturers fit and function reliably across a wide
range of applications.
This standard is divided into two series—ISO 7241-A and ISO
7241-B—each designed to meet the needs of specific industries and
usage environments.
Common Applications: Agricultural equipment, construction machinery, oil & gas
systems, industrial hydraulics.
ISO 7241-A vs ISO 7241-B – What’s the Difference?
Design & Valve Structure
• ISO 7241-A:
Features a poppet valve mechanism with precision alignment for
minimal fluid loss during disconnection. It is widely used in
agricultural and mobile hydraulic systems.
• ISO 7241-B:
Incorporates a ball valve design, offering high durability and
better resistance to impact and vibration. Preferred in demanding
industrial and hydraulic tool applications.
Key Differences at a Glance
| Feature | ISO 7241-A | ISO 7241-B |
| Valve Style | Poppet | Ball valve |
| Interchange Standard | Mainly used in North America | Globally recognized |
| Typical Use | Agricultural, mobile hydraulics | Industrial, high-pressure |
Industry Fit
• A Series: Tractors, harvesters, mobile utility systems
• B Series: Factory equipment, drilling rigs, hydraulic tools
Available Materials
ISO 7241 couplers are manufactured in a variety of materials to
meet different operating conditions and environmental requirements:
• Stainless Steel – For corrosive environments like marine,
offshore, and chemical applications
• Carbon Steel – High strength, cost-effective for general
industrial use
• Brass – Non-sparking, ideal for specific oil & gas or
instrumentation needs
How to Choose the Right ISO 7241 Coupler
Choosing between ISO 7241-A and ISO 7241-B depends on several
factors:
• Working pressure and flow rate
• Connection frequency
• Compatibility with existing equipment
• Environmental exposure (corrosion, dust, vibration)
Want a deeper guide?
Explore Our ISO 7241 Product Series
Compatible with a wide range of agricultural and mobile equipment. Designed for quick, secure connections with reliable sealing.
Industry standard for heavy-duty hydraulic systems. Rugged design ensures long-term durability and consistent
performance.
Need help choosing the right ISO 7241 coupler for your application?
