ISO A Poppet Quick Release Plug
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ISO A Quick Release Plugs
ISO-A Hydraulic Quick Release Plug
The ISO-A hydraulic quick release plug is the male part of the quick coupling, equipped with a shut-off valve, designed for the precise connection of hydraulic lines in various systems. Thanks to the ISO-A standard, these plugs are compatible with quick couplings from other manufacturers, making them a universal solution for hydraulic power systems.
Features of ISO-A hydraulic quick release plugs:
- Shut-off valve: Ensures safety and limits hydraulic oil leakage when disconnecting the system.
- BSP internal thread: Allows for easy and quick connection to various hydraulic installations.
- High-quality material: Made of galvanized steel, which guarantees corrosion resistance and durability in demanding conditions.
- NBR seal: Provides reliable operation in a wide temperature range from -25°C to +100°C.
- Working pressure up to 400 bar: High strength, adapted to demanding applications in power hydraulics.
- Safety factor 4:1: Additional confidence when working under high pressure.
Plug applications:
Quick release plugs ISO-A, commonly known as "euro-couplings", are widely used in:
- Agricultural machinery: For connecting attachments such as agricultural balers, trailers, or loaders.
- Conveyors and mobile platforms: Facilitate quick replacement of components in hydraulic systems.
- Hydraulic systems: Adapted for transferring hydraulic oil in stationary and mobile applications.
Technical parameters:
- Operating temperature range: from -25°C to +100°C.
- Working pressure: up to 400 bar (depending on the size of the quick coupling).
- Flow rate: Specified at Δp = 3 bar [l/min].
Offer at Hydron store:
In our store you will find quick release plugs ISO-A in various sizes, adapted to the individual needs of hydraulic systems. Every product meets high quality standards, ensuring reliability and safety of use. We also encourage you to purchase quick release sets including both the plug and the socket.
- DNP designation: PAV
- Faster designation: ANV
- Stucchi designation: BIR
Poppet quick release plug (ISO 7241-A / EURO) – male hydraulic plug
The poppet quick release plug category in the HYDRON online store includes male connection elements (plugs) with an internal poppet valve, manufactured in accordance with the international ISO 7241-1 series A standard (ISO A / EURO). These plugs are the direct working part mounted on flexible hydraulic hoses and machinery, enabling efficient, repeatable, and safe connection of pressure lines with the socket without the risk of operating oil leakage. The ISO A poppet system is the most widespread standard for quick couplings in European agriculture, the machinery industry, and construction, providing full interchangeability with market equivalents of recognized brands and trouble-free cooperation with hydraulic sockets in tractors and loaders.
Design features and technical properties of poppet plugs
The poppet quick release plugs in the HYDRON offer are characterized by a well-thought-out design, guaranteeing reliable operation in difficult operating conditions:
- Automatic poppet valve: The built-in spring-loaded poppet closes the oil flow the moment it is disconnected from the socket, protecting the installation against loss of pressure, liquid leakage, and dust entering the system.
- Hardened plug profile: The hardened steel tip of the poppet is resistant to mechanical damage, impacts, and seizing in the socket during frequent switching of attachments.
- Effective anti-corrosion protection: The free-cutting steel body is covered with a zinc-iron Zn-Fe (Cr III) galvanic protective coating, which ensures high resistance to moisture, road salt, and atmospheric factors.
- High working pressures and NBR seals: Plugs are adapted to operate at working pressures from 160 to 350 bar in a temperature range from -25°C to +100°C (standard NBR seal, with FKM Viton option available).
Available threads, sizes, and market interchangeability
In the HYDRON range, we have ISO A poppet quick release plugs in all popular sizes and internal thread types:
- BSP inch threads: From small sizes G 1/4 inch, G 3/8 inch, the most popular agricultural variant G 1/2 inch, through G 3/4 inch, G 1 inch, up to large industrial diameters G 1.1/4 inch and G 1.1/2 inch.
- DIN metric threads: Versions with internal metric threads M14x1.5, M16x1.5, M18x1.5, M20x1.5, and M22x1.5 for direct screwing onto pipes or fittings without the use of additional adapters.
- Acid-resistant execution from AISI 316 stainless steel: Specialized plugs made of acid-resistant steel intended for work in aggressive chemical, food, and marine environments.
The poppet ISO A plugs in our offer are fully compatible in dimensions and functionality with Faster ANV, Stucchi BIR, DNP PAV, Safeway S20, and Parker 6600 series couplings.
Wide application in agricultural and industrial machinery
Poppet plugs are commonly used at the ends of flexible pressure hoses in agricultural machinery (plows, trailers, sprayers, front loaders), construction machinery (excavators, loaders), municipal vehicles, and in stationary industrial installations.
Frequently Asked Questions (FAQ)
Can an ISO A poppet quick release plug be connected to a socket under pressure?
Standard ISO A poppet plugs are not designed to be connected under residual pressure. Coupling the connection should take place after previously reducing the pressure in the hydraulic circuit. Plugs with a special pressure eliminator are used for connecting under pressure.
How to protect a poppet plug from damage and dirt after disconnection?
To protect plugs from sand, dust, and mechanical damage to the poppet profile, it is recommended to use flexible blanking plugs and dust covers made of plastic or rubber.