Opening and closing convenient and rapid, labor saving, fluid resistance is small, can be often operated.
Simple structure, small size, short structure length, small volume, light weight.
The opening and closing torque is small, because the butterfly plate on both sides of the rotating shaft is basically equal to the effect of the medium, and the torque is produced in the opposite direction, so the opening and closing is less labor.
The sealing surface material is generally rubber and plastic, so the low pressure sealing performance is good.
Flexible and labor-saving operation, manual, electric, pneumatic, hydraulic mode can be selected.
Size:
DN25-DN1200
Material:
Body:Cast Iron/Ductile Iron/Cast Steel
Disc:DI+Ni/SS304/SS316/AL-BZ/CF3M/SS2205/SS2507
Stem:SS416/SS304/SS316/17-PH/Monel K500
Seat:EPDM/NBR/VITON/PTFE/HYPALON
Operation:Handlever /Gearbox/Electric / Pneumatic
Standard:
Design Standard:EN 593 , MSS SP67 API 609 BS5155
Inspection & Test:API 598 ISO 5208 EN 12266
End Standard:ANSI B16.1 CL. 125LB /B16.5 CL. 150LB /AS 2129 Table D & E / DIN 2501 PN6, PN10 & PN16
/EN 1092 PN6, PN10 & PN16/ISO 2531 PN6, PN10 & PN16/ISO 7005 PN6, PN10 & PN16 / JIS B 2210 5K & 10K
Face to Face:ISO 5752 , EN 558 , MSS SP67 and API 609 DIN3202
Top Flange:ISO 5211
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