| 型号 | Stahl-Armaturen | 规格 | Stahl-Armaturen |
| 品牌 | Stahl-Armaturen | 材质 | Stahl-Armaturen |
| 名称 | Stahl-Armaturen | 适用范围 | Stahl-Armaturen |
希而科贸易（上海）有限公司-Silkroad24 GmbH中国***
联系人：张敏 （业务部销售经理）
TEL:13585754584 021-58375543-829
FAX:021-61179684
EMAIL:zm@
***:1784691511
MSN:zhangsir_goal@
希而科优势代理德国派斯塔Stahl-Armaturen PERSTA GmbH止回阀
产品系列：
Swing check valves 640 AA DN 50-250
Swing check valves – 640 AA – PN 10-40 – DN 50-250
Standard features
– Body cast steel
Pressure and temperature ratings
– Pressure rating up to 40 bar
– Temperature rating up to 450 °C
Materials
– 1.0619
Further materials on request
Media
Depending on the material swing check valves are
suitable for water, gas, oil and other non aggressive media
Fields of application
Chemical industries, power plants, ship building and other
High pressure swing check valves DRI 25-63 640 AB DN 50-500
High pressure swing check valves – DRI 25-63 – 640 AB – PD 25-63 – DN 50-500
Standard features
– Valve body made of forged steel with welded seat ring, welded on with stellite
– Pressure sealing bonnet
Pressure and temperature ratings
– Pressure rating up to 680 bar
– Temperatur rating up to 650 °C
Materials
– 1.4903
– 1.5415
– 1.6368
– 1.7335
– 1.7383
Further materials, e.g. F92 on request
Media
Depending on the material swing check valves are
suitable for water, gas, oil and other non aggressive media
Fields of application
High temperature steam and water, Refining (Catalytic reformers
and Hydrocrackers), Petrochemical and Chemical Industries
High pressure swing check valves DRI 26 640 AB DN 80-300/250
High pressure swing check valves – DRI 26 – 640 AB – PD 25 – DN 80-300/250
Standard features
– Valve body made of forged steel
– Disc with inside shaft
– Disc applicated to the body insert
– Pressure sealing bonnet acc. to VGB-guidelines
Pressure and temperature ratings
– Pressure rating up to 425 bar
– Temperatur rating up to 620 °C
Materials
– 1.0460
– 1.4903
– 1.5415
– 1.6368
– 1.7335
– 1.7383
Further materials, e.g. F92 on request
Media
Depending on the material swing check valves are suitable
for water, gas, oil and other non aggressive media.
Fields or application
Chemical industries, industries and power plants
High pressure swing check valves DRI 26 640 AB DN 80-300/250
High pressure swing check valves – DRI 26 – 640 AB – PD 25 – DN 80-300/250
Standard features
– Valve body made of forged steel
– Disc with inside shaft
– Disc applicated to the body insert
– Pressure sealing bonnet acc. to VGB-guidelines
Pressure and temperature ratings
– Pressure rating up to 425 bar
– Temperatur rating up to 620 °C
Materials
– 1.0460
– 1.4903
– 1.5415
– 1.6368
– 1.7335
– 1.7383
Further materials, e.g. F92 on request
Media
Depending on the material swing check valves are suitable
for water, gas, oil and other non aggressive media.
Fields or application
Chemical industries, industries and power plants
High pressure Swing check valves DRI 21 640 AB DN 50-300/250
High pressure Swing check valves – DRI 21 – 640 AB – PD 21 – DN 50-300/250
Standard features
– Valve body made of forged steel with welded seat ring, welded on with stellite
– Pressure sealing bonnet
Pressure and temperature ratings
– Pressure rating up to 275 bar
– Temperature rating up to 600 °C
Materials
– 1.5415
– 1.7335
– 1.7383
Further materials, e.g. F92 on request
Media
Depending on the material swing check valves are
suitable for water, gas, oil and other non aggressive media
Fields of application
High temperature steam and water, Refining (Catalytic reformers
and Hydrocrackers), Petrochemical and Chemical Industries
Swing check valves 640 AA DN 50-300/250
Swing check valves – 640 AA – PN 63-160 (PD 18) – DN 50-300/250
Standard features
– Die-forged body
– Disc with inside shaft
Pressure and temperature ratings
– Pressure rating BW-Ends up to 233 bar (PD?18)
– Pressure rating FL up to 160 bar
– Temperature rating up -10 °C to 600 ° C
Materials
– 1.5415
– 1.7335
– 1.7383
Further materials, e.g. F92 on request
Media
Depending on the material swing check valves are
suitable for water, gas, oil and other non aggressive media
Fields of application
Chemical industries, power plants, ship building and other
VALTRA Swing check valve 640 AA DN 300-800
VALTRA Swing check valve – 640 AA – PN 10-40 – DN 300-800
Standard features
– Disc with inside shaft
– Body pressed-plate welding c***truction
Pressure and temperature ratings
– Pressure rating up to 40 bar
– Temperature rating up to 400 °C
Material
– P265GH
Further materials on request
Media
Depending on the material swing check valves are
suitable for water, gas, oil and other non aggressive media
Fields of application
Chemical industries, power plants, ship building and other
Swing check valve variants
Swing check valve variants
Technical alterati*** reserved