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Dwyer 蝶阀 BFV系列


两通或三通;阀门口径:50~406mm;多种型号可选;阀板具有较强抗腐蚀性;承压10.3bar,耐温107℃


BFV 系列蝶阀的最重要的特征是它采用了筒式阀座代替了经常出现安装问题的燕尾阀座。它的扭矩更低且更加协调。精密的阀瓣和阀体制造工艺使得阀瓣和阀座之间紧密配合,法兰和阀瓣阀座之间各自独立。有圆盘式和外耳法兰式的,带10段定位锁定手柄。 标准选项的阀门可承受225psi(15.5 Bar),满足MSS-SP-67和API-609的要求。

Service: Compatible Liquids, Gases, And Steam.
Line Size: 2" To 12".
Body Style: 2-Way, Wafer Or Lug Butterfly.
End Connections: Flange, To Be Used With Flanges That Are ANSI Class 125 (B16.1) And ANSI Class 150 (B16.5) Dimensions.
Pressure Limit: 225 Psi (15.5 Bar) WOG.
Wetted Materials: Body: Ductile Iron; Disc: 316 SS; Seat And O-Ring: EPDM Or PTFE; Stem: 410 SS.
Temperature Limits: EPDM Disc: -50 To 250°F (-46 To 121°C); PTFE Disc: 0 To 300°F (-18 To 149°C).
Bearings: Nylatron.
Flow Rate: See Cv Chart On Catalog Page.
Opeator: 2 To 6": 10-Position Locking Hand Lever; 8 To 12": Manual Gear.