RS Components
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Georg Fischer Malleable Iron Fitting Taper Seat Union, 1/2 in BSPT Male (Connection 1), 1/2 in BSPP Female (Connection

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RS Stock No.:
Mfr. Part No.:
Georg Fischer
COO (Country of Origin):
UnitsPer unitPer Pack*
2 - 8£7.10£14.20
10 - 18£6.885£13.77
20 +£6.66£13.32
*price indicative

Male to Female Equal - BSPPF x BSPTM

Taper (cone) seat union. This popular brand of unions are highly durable and have great temperature resistance and therefore can be used safely in a very broad field of applications.


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 - Unions

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.

Fitting TypeTaper Seat Union
Connection 11/2 in BSPT Male
Connection 21/2 in BSPP Female
Connection Gender 1Male
Connection Gender 2Female
Thread Size 11/2in
Thread Size 21/2in
Thread Standard 1BSPT
Thread Standard 2BSPP