Malleable hexagon nipple fittings are highly durable and temperature resistant making them ideal for use in air conditioning, plant engineering, gas lines and lubricant pipework.

Black Malleable Iron
Not suitable for drinking water installations

intermediate pressure rating at temperature between 120°C and 300°C can be obtained by linear interpolation; hot dip galvanised fittings should not be used below -10°C.

BS 143; BS 1256; BS 21; ISO 49; ISO 7/1

Malleable Fittings – Nipples

George Fischer malleable iron pipe fittings are to BS143/1256, ISO49 and threads (taper male and parallel female) are to BS21, ISO7/1. The fittings are available self-colour (black) or hot dip galvanised finish to BS729 for increased corrosion resistance. Pressure rating is 25 bar at service temperature -25°C to +120°C and 20 bar at 120°C to 300°C.,Crane Fluid Systems straight pipe fittings are available self-colour (black) or galvanised finish, with taper internal and external pipe threads to BS21 and ISO7 for pressure-tight joints. They can be used with BS1387 steel tube for air, gas, steam and water services. Pressure rating is 25 bar at service temperature -20°C to +120°C and 20 bar at 120°C to 300°C.