In line with standard butterfly

Tel: 18802219001 Mr. Liu QQ: 2354779358 D71 handle Wafer soft seal butterfly valve production, manufacture D41 dual flange soft sealing butterfly handle the production, manufacture D371 worm Wafer soft seal butterfly valve production, manufacture worm D341 dual flange soft sealing butterfly valve production, manufacturing can provide semi rough parts suppliers such as valves, also in accordance with customer requirements OEM production and processing. The same quality soft seal butterfly price, valve Tianjin Tanggu than 10% to 30% in line butterfly valve Standard: Design Standard: GB / T12238-1989; lS0 10631-1994 or BS EN593-1998 flange dimensions : GB / T17241.6-1998: IS0 7005-2 or BSEN 1092-2002 Structural length: GB / T1 2221-1989: lS0 5752-1988 or BS EN558-1 Pressure Test: GB / T13927-1992; JB / T9092- 1999; lS0 5028-1993 or BS 6755-l-1986