- Design and manufactured to BS 5163
1986 type B
- Disc material : Ductile Iron with EPDM/NBR vulcanization
- Suitable for water, sewage and neutral
liquid (maximum temperature to 700C)
- Face to face dimension to BS 5163
- Flange dimension BS 4505 PN16
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- Body, bonnet : Ductile Iron to BS 2789
- Working pressure : 16 bar
- Available in key or handwheel operated
- Pressure test on body : 24 bar
- Stem material : Stainless steel
- Pressure test on seat : 17 bar
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