DN500-2200mm Open Rod Type Hydraulic Single Disk Flange Gate Valve
Note: Other standards shall be acceptable based on the customer's requirement and be marked out in order.
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QZ741Y,QZ941Y Gate Valve
Performance Parameter:
Valve Model Instructions:
Specification and Drawing:
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We also can provide other model of gate valve, including series as below:
QZ741Y Hydraulic Rising Stem Wedge Single Disc Gate Valves
QZ941Y Electric Rising Stem Wedge Single Disc Gate Valves
QZ747W Hydraulic Rising Stem Wedge Single Disc Water Cooling Gate Valves
QZ947W Electric Rising Stem Wedge Single Disc Water Cooling Gate Valves
Related Valves:
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Functions and Features:
- Suitable for the pipelines of gas, smoke, air and cold blast in blast furnace hot blast stove system, used for cutting off.
- Drive Pattern: hydraulic transmission, electric drive, or configured according to customer requirements.
- Single wedge disc structure with wedge set on valves.
- Hard metal sealing surface. Main
- Material: Q235, 16MnR structure or steel casting ZG 230-450, superior alloy steel.
- Flange connection dimensions carry out the rules of GB/T9119-2000 PN6.
- Structure length is non-standard structure length.
- Pressure test is according to the rules of GB13927-2008.
Note: Other standards shall be acceptable based on the customer's requirement and be marked out in order.
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QZ741Y,QZ941Y Gate Valve
Performance Parameter:
Nominal Diameter(DN)(mm) | DN500~DN2200 | |
Work Pressure(MPa) | ≤0.4~0.6 | |
Test Pressure(MPa) | Shell | 1.5 times working pressure |
Seal | 1.1 times working pressure | |
On/off Differential Pressure (MPa) | ≤0.01 | |
Working Temperature | ≤530°C | |
Applicable Medium | Air, gas, smoke |
Valve Model Instructions:
Valve Type | Z | Gate Valve |
Drive Mode | 7/9 | 7-hydraulic / 9-electric |
Connection Form | 4 | Flange connection |
Structure Form | 1 | Rising stem wedge single disc |
Material of Sealing Surface | Y | Hard alloy |
Specification and Drawing:
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
We also can provide other model of gate valve, including series as below:
QZ741Y Hydraulic Rising Stem Wedge Single Disc Gate Valves
QZ941Y Electric Rising Stem Wedge Single Disc Gate Valves
QZ747W Hydraulic Rising Stem Wedge Single Disc Water Cooling Gate Valves
QZ947W Electric Rising Stem Wedge Single Disc Water Cooling Gate Valves
Related Valves:
