Riegler Main Catalog Compressed Air Technology and Pneumatics Page 517
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HOSE COUPLINGS Safety couplings DN 7.4 »R26K« series, KE type one side sealing, venting One-hand air relief couplings with double locking system. Connection: Similar to standard couplings, simply by pressing the plug into the coupling. Disconnection: The first locking mechanism is accessible when the sleeve is pushed back. The coupling valve closes. Air can then be relieved from the plug side and inside the hose. The second locking mechanism is released by actuating the sleeve again. The coupling can now be disconnected safely. This system meets the requirements of ISO 4414 and is BIA-compliant (BIA = industrial safety institute). 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. Operating pressure Medium temperature Ambient temperature Flow rate Flow rate measurement Housing Valve body Valve Unlocking sleeve Spring Retaining ring Pin Ball Sealant 12 bar, maximum static working pressure (non-pulsating) -20 to 60 °C -20 to 60 °C 1300 l/min (air) at 6 bar and ∆p = 0.5 bar Nickel-plated brass Nickel-plated brass Brass Plastic Stainless steel Stainless steel Stainless steel Stainless steel NBR Safety coupling DN 7.4, male Art. No. Type No. 107554 107555 107556 249.61 249.62 249.63 Connection G 1/4 ET G 3/8 ET G 1/2 ET Length mm 55.4 55.4 58.3 a/f mm 22 22 24 Length mm 57.2 60.2 60.2 a/f mm 22 24 24 Length mm 71.2 71.2 71.2 71.2 71.2 a/f mm 22 22 22 22 22 Price € 27.01 27.01 27.01 249.62 Safety coupling DN 7.4, female Art. No. Type No. 107557 107558 107559 249.71 249.72 249.73 Connection G 1/4 IT G 3/8 IT G 1/2 IT Price € 27.01 27.01 27.01 249.72 Safety coupling DN 7.4, with hose stem Art. No. Type No. 107560 107561 107562 107563 107564 249.81 249.82 249.83 249.84 249.85 Connection I.D. 6 I.D. 8 I.D. 9 I.D. 10 I.D. 13 Price € 27.01 27.01 27.01 27.01 27.01 249.81 You can find vibration dampers on page 851 517
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