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Picture of 285-288型三通气动球阀

285-288型三通气动球阀

285 - 288型球阀是543型球阀 (d16DN10 to d63DN50) 和气动执行器PA21组成。285-288型模块化设计可以满足混合和分流应用的特殊需求
Manufacturer: Georg Fischer Ltd
285 - 288型球阀是543型球阀 (d16DN10 to d63DN50) 和气动执行器PA21组成。285-288型模块化设计可以满足混合和分流应用的特殊需求。
应用领域:
  • 化工行业
  • 生命科学
  • 微电子
  • 测量和控制
  • 水处理
  • 造船
  • 食品和饮料行业
优势:
  • 紧凑设计和模块化组装
  • 弹簧预先承载,标准版本FC和DA,FO按需
  • 快速动作时间
  • 对于FC/FO可选行程限位
  • 纳母标准气路连接装置
Technical Data
PA 11/ PA21
 
Type 543
Range: PA11 from d16DN10 up to d32DN25 and PA21 from d40DN32 up to d63DN50
Nominal torque: 10 Nm (7.4 lb. ft.)
Peak torque: 20 Nm (15 lb. ft.)
Cycle time: 1 - 2 s, with throttle valve up to 5 s
Operation pressure max.: 7 bar (101 psi)
Working principle: Rack and pinion
Operation media: Neutral, non corrosive gasses (fluids on request)
Modes of operation: Fail-safe to close (FC), Fail-safe to open (FO), Doule actuating (DA)
ISO 5211:
PA11: F04
PA21: F05
 
Dimension range: d16DN10 to d63DN50
End connectors: solvent cement sockets and -spigots, fusion spigots and –sockets, threaded ends
Standards: ISO, BS, ASTM und JIS
Nominal Pressure: PN 10 for all materials
Materials: PVC-U, PVC-C, ABS, PP-H und PVDF
Sealing:
O-Rings: EPDM and FPM, further on request
Ball seal: PTFE