Riegler 249.14-S

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Safety coupling I.D. 7.8, Bi-Tec type, nickel-plated brass, G 1/4 IT, Operating pressure max. 20 bar, Temp. -20 °C to 100 °C
Safety air relief couplings for gaseous media.
Combination of a sliding valve and a quick disconnect coupling.

Connection is pressureless. Only a low spring force has to be overcome. Pressure only builds up when the green sleeve is pushed forward. It is impossible to disconnect the hose either intentionally or inadvertently in this position. When the sliding sleeve is moved back into its home position, the air is relieved from the hose and the coupling can be disconnected.

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, manufacturing industry, workshops, automotive.


Ball : Stainless steel
Connection : G 1/4 IT
DN : 7.8
Flow rate : 2050 l/min (air)
Flow rate measurement : at 6 bar and Δp = 0.5 bar
Housing : Nickel-plated brass
Length [mm] : 75
Max. ambient temperature [°C] : 100
Max. medium temperature [°C] : 100
Max. operating pressure [bar] : 20
Min. ambient temperature [°C] : -20
Min. medium temperature [°C] : -20
Page No. : HK592
Sealant : NBR
Sleeve : Anodised aluminium
Spring : Stainless steel
Unlocking sleeve : Hardened, nickel-plated steel
Valve body : Nickel-plated brass
a/f [mm] : 19


Click below to download the product-related documents


Manual-1
Manual-2
Manual-3