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Bulgin Coupling Pin D4 Inert Gas EN561 5/8"-18 UNF RH M

BULGIN Quick Connectors for Technical Gases

The Bulgin D4 Inert Coupling Pin is a German-engineered and manufactured safety device designed to deliver the highest levels of safety, performance, and reliability in industrial gas applications.
Every Quick Action Coupler and Pin is 100% function tested prior to leaving the factory. This rigorous quality assurance process provides complete confidence in product performance, safety, and compliance.
The Bulgin Flashback Arrestor range combines proven German engineering, precision manufacturing, and comprehensive testing to deliver dependable protection in demanding industrial environments.
Bulgin gas hose couplings (quick connectors) are suitable for most technical gases (fuel gases) such as Acetylene, Hydrogen, Methane, Natural Gas, Propane and Butane as well as Oxygen, Compressed air and Inert gases.
The Bulgin gas quick-action couplings are quick and easy to install on torches, regulators and inline. The Bulgin Quick-action coupler range combines proven German engineering, precision manufacturing, and comprehensive testing to deliver dependable protection in demanding industrial environments.

Key Features

  • Coupling system according to EN 561 / ISO 7289 – worldwide compatible
  • 100% factory function tested and flame tested.
  • Passed an additional voluntary endurance test where 6000 cycles have been performed under maximum working pressure (standard requires a minimum of 1000 cycles)
  • Push system for easy connection - minimized risk of an unintended
  • Stainless steel coupling pins offer long life

Product Specifications

Parameter
Specification
Model
D4
Gas Service
Inert gas
Installation Position
In-hose installation
Inlet Connection
Inert Coded Coupling Pin
Outlet Connection
5/8”-18 UNF M RH
Maximum Working Pressure
Inert Gas        2.0 MPa (20 bar)
(such as Nitrogen, Argon, Helium, Carbon Dioxide)
Operating Temperature
-20°C to +60°C
Construction Material
Full stainless-steel thread and coupling pin
Standards
EN561, ISO7289
Testing
100% Function Tested
Country of Manufacture
Germany

Integrated Safety Features

Coded coupling pins to assist in avoiding the mix-up of the products for different gas types.
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Part Number: 0069-0297