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Briefing
Detailed
Characteristics:
1.The dynamic flow balance valve is composed of valve body an valve core.
2.Acting on thedifferential pressure between the front and behind of the valve is lower than the
design scope that the valve core throttle nozzle is completely exposed fromthe valve core cover
under the action of the spring. At this time, the flowarea is largest but the flow is according to the
change of pressure difference.
3. Acting on thedifferential pressure between the front and behind of the valve within thescope of
the design, the valve core was suffered from the dual action of thedifferential pressure and spring
force. So it do piston repeated movements tochange the flow area to maintain a constant flow in
the design valve.
4. .Acting on thedifferential pressure between the front and behind of the valve is higher than the
design scope that the valve corethrottle nozzle is completely into the valve core cover and only
showing thefixed flow hole. At this time, the flowarea is least but the flow is according to the change
of pressure difference.
Pressure TemperatureRatings
Working pressure | 10bar | 16bar |
Testing Pressure | Shell:15bar | Shell:24bar |
Working Temperature | -10℃ to 120℃ |
Material Specification
Part | Material | ASTM Spec. |
Body | Ductile Iron | A536 |
Core | Stainless Steel | A351 |
Spring | Stainless Steel | A351 |
"O"-ring | NBR | A182 |
Dimensions
DN | mm | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | 350 | 400 | 450 | 500 | 600 |
inch | 2 | 2½ | 3 | 4 | 5 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 | 24 | |
L | 239 | 239 | 239 | 365 | 365 | 410 | 410 | 435 | 450 | 450 | 500 | 500 | 500 | 530 | |
H | 205 | 205 | 205 | 265 | 280 | 355 | 400 | 488 | 565 | 645 | 730 | 800 | 880 | 1050 |
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