Riegler 425.03-SCH

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Swing safety coupling I.D. 8, ISO 6150 C, Steel, G 1/2 IT, Operating pressure max. 25 bar, Temp. -20 °C to 100 °C
Swing safety coupling with free passage.
The plug-in nipple is inserted into the coupling body and rotated by an approx. 90° motion to make the connection. As soon as the "red ring" clicks into the intended slot then a secure connection has been made. To release the connection again, the "red ring" must be pulled out and the plug-in nipple is swivelled to the stopper into the starting position. Venting is done during uncoupling through a vent hole on the back side of the coupling.

This coupling meets ISO standard DIN EN ISO 4414, EN 983.

These safety couplings are not suitable for direct attachment to pulsating tools.
We recommend using our vibration dampers, according to ISO 6150 § 7.1.

Areas of application: Pneumatic system, machine and plant engineering, measurement, monitoring and control systems, manufacturing industry, workshops, automotive, mining.


Connection : G 1/2 IT
DN : 8
Flow rate : 2300 l/min (air)
Flow rate measurement : at 6 bar and Δp = 0.5 bar
Housing : Steel, QPQ treated
Length [mm] : 71
Max. temperature range [°C] : 100
Medium : Compressed air, gases
Min. temperature range [°C] : -20
Operating pressure : max. 25 bar / max. 16 bar when attaching / detaching
Page No. : HK566
Plug profile : acc. ISO 6150 C
Sealant : NBR
Sleeve : Die-cast zinc, nickel-plated, red rubber coated
Threaded piece : Galvanised steel
a/f [mm] : 24


Click below to download the product-related documents


Manual-1
Manual-2
Manual-3