UL 47 2017 pdf download – Semiautomatic Fire Hose Storage Devices.
14 General 14.1 When an SHSD is tested in accordance with these requirements, no parts shall be thrown, and resistance to damage of the fire hose or component parts of the SHSD by handling shall be demonstrated. 15 Installation Test 15.1 One operator shall be able to replace the specified length of fire hose onto an SHSD when the SHSD is mounted or supported in its intended position. 16 Operational Tests 16.1 Samples 16.1.1 A total of six sample SHSD’s are to be tested as specified in 16.1.2 and 16.1.3. 16.1.2 The tests specified in 16.2.1 – 16.3.2 are to be conducted four times on two ″as received″ sample SHSD’s using the specified length of fire hose; using two sets of SHSD’s with new fire hose as received from the manufacturer, and repeated with the fire hose that was used to conduct the Water retention test and the Run-off and release test which has been drained and reinstalled into the SHSD in accordance with the instructions marked on the device. 16.1.3 The tests specified in 16.2.1 – 16.3.2 are to be conducted four times after each exposure time on two aged sample SHSD’s using the specified length of fire hose; using two sets of SHSD’s with fire hose aged as specified in the Accelerated Air-Oven Aging Test, Section 17, and repeated with the aged fire hose that was used to conduct the Water retention test and the Run-off and release test, which has been drained and reinstalled into the SHSD in accordance with the instructions marked on the device. 16.2 Water retention test 16.2.1 An SHSD shall prevent the stored fire hose from filling with water beyond the third loop from the standpipe end within 2 minutes after the hose valve is fully opened. Also, operation of the SHSD and removal of the fire hose through any point of an arc of 180 degrees (90 degrees when in a cabinet) shall not be impaired. 16.2.2 An SHSD with the fire hose in a stored position is to be attached to a water source capable of maintaining maximum service pressure.