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SCZ673F Pneumatic Insert Plate Valve
Zhejiang Gaochuang Pump Valve Co., Ltd. is a professional supplier of pneumatic plug valve products. For inquiries from pneumatic plug valve manufactu
Product details
SCZ673F Pneumatic Insert Plate Valve
1、 Main appearance and connection dimensions (mm)
This product can be driven by electric, pneumatic, manual, or bevel gear rotation devices. The pneumatic device can be equipped with air filters, solenoid valves, and sensors. If the above driving devices are installed, the pneumatic device should be specified in the contract.
2、 Main component materials and connection dimensions
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Part name
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material
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Part name
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material
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valve body
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1CF18Ni9Ti CF8M
CF8 CF3M CF3 WCB |
valve stem
Stem |
1CF18Ni9Ti
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Valve seat sealing ring
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Rubber or PTFE
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bracket
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stainless steel
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Sealing gasket between valve bodies
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Rubber or PTFE
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Packing gland
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stainless steel
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valve body
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1CF18Ni9Ti CF8M
CF8 CF3M CF3 WCB |
filler
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Graphite or PTFE
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Valve body assembly bolts
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B7
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Packing gland bolt
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B7
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Note: The rubber grade depends on the properties of the medium and the operating temperature.
The material grade of the gate depends on the properties of the medium.
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DN
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L
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Φ1
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H
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H2
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N-M
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Cylinder diameter (mm)
Cylinder Diameter |
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PN0.6
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PN1.0
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||||||
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50
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40
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125
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397
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51
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4-M16
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50
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65
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40
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145
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418
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67
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4-M16
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65
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|
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80
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50
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160
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579
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82
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4-M16
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80
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100
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50
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180
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612
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102
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8-M16
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100
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|
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125
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50
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210
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710
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127
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8-M16
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125
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150
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60
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240
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816
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152
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8-M20
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150
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200
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60
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295
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990
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202
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8-M20
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200
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|
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250
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70
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350
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1106
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253
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12-M20
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250
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300
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70
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70
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400
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1264
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303
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12-M20
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300
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350
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80
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80
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460
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1575
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353
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16-M20
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350
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400
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80
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80
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515
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1562
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402
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16-M22
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400
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450
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90
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90
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565
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1750
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452
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20-M22
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450
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500
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90
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90
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620
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1994
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502
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20-M22
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500
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600
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100
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100
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725
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2040
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603
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20-M27
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600
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3、 Shell test and sealing test:
1. The shell test and sealing test media for plug-in valves are water (including preservatives), kerosene, or other suitable liquids with a viscosity not greater than water.
2. The sealing pair is a non-metallic sealed plug valve, and the sealing shell test and requirements are in accordance with GB/T13927-92 Class D.
3. The sealing pair is a metal sealed plug valve. For those with sealing performance requirements, the leakage rate of the sealing test is 1 × DNmm3/For calculations without sealing performance requirements, this test will not be conducted.
4. The plug-in valve driven by electric, hydraulic, and pneumatic devices should be closed three times after the position is set, and the shell and sealing tests should be conducted according to the requirements of 1 and 3.
5. The cleanliness requirements for plug-in valves shall comply with the provisions of JB/T7748.
6. Static pressure life test.
7. The number of static pressure life tests for plug-in valves shall be in accordance with regulations, while other technologies shall comply with the provisions of JB/Z 234.
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Number of static pressure life tests
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metal seal
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DN≤150mm
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1200 times
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DN≥200-400mm
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1000 times
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||
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Dn≤150mm
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800 times
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||
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Non metallic sealing
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Dn≤150mm
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1400 times
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DN≤200-400mm
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1200 times
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||
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Dn≤450mm
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1000 times
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Note: 1. Metal sealing refers to the sealing auxiliary material being metal metal
2. Non metallic sealing refers to the sealing secondary material being metal non-metal or non-metal non-metal.
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