Detailed Product Description · brass gas valve XFM -0126· brass stem.brass ball ,steel handle paited plastic. on surface plated chrome ,· certificate:ISO9001:2000· · Size: 1/4'', 3/8'' ,1/2" , 3/4" , · The range of working temperatures: - 20°C to 150°C in absence of steam.· Suitable for General water services,heating,sanitary and air conditioning plants,compressed air systems