Face to face size is according to BS EN593 series 14.
The flange of the valve is according to BS EN 1092-2 PN10/PN16.
Pressure testing conform to BS EN 12266-1.
Body and disc material: GG25, GGG40
Disc sealing ring: EPDM, NBR
Body sealing ring: SS304, SS316
Shaft: stainless steel 420
Weight hammer: GG25
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