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Imported pneumatic small flow control valve
Imported pneumatic small flow control valve
Product details
MillerPneumatic thin film small flow regulating valvesummary:
The pneumatic thin film small flow regulating valve consists of a pneumatic thin film multi spring actuator and a small flow valve. Suitable for regulating small flow rates, it has the characteristics of compact structure, small volume, light weight, and easy installation and maintenance.
Technical parameters and performance
valve body
|
type |
Direct forging valve |
|
Nominal Diameter |
G1/2'、G3/4' |
|
nominal pressure |
PN1.6、4.0、6.4MPa |
|
material |
Forged stainless steel（1Cr18Ni9Ti、1Cr18Ni12Mo2Ti）Wait, wait |
|
Bonnet |
Ordinary type:-40～+230℃Heat dissipation type:+230～+450℃ |
|
Cover type |
Bolt compression type |
|
filler |
VType PTFE packing, PTFE impregnated asbestos packing, graphite packing |
Valve components
|
SPOOL TYPE |
Single seat plunger type valve core |
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Traffic characteristics |
linear characteristic |
|
material |
Stainless steel（1Cr18Ni9Ti、1Cr18Ni12Mo2Ti、316L）Stainless steel overlay welding with Si Tai Lai alloy, titanium, and corrosion-resistant alloys, etc |
sexually ability
|
term eye |
Indicator value |
|
Basic error%(with locator) |
±1.0 |
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circle differ from%(with locator) |
≤1.0 |
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discharge dew measurel/h |
0.01%×Rated capacity of valve |
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Adjustable rangeR |
30：1 |
rated flow coefficientKVRated travel, allowable pressure difference
|
Nominal DiameterDN(mm) |
G1/2'、G3/4' |
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Valve seat diameterdN(mm) |
2 |
2.5 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
|
rated travelL (mm) |
10 |
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|
rated flow coefficientKv |
0.04 |
0.06 |
0.08 |
0.12 |
0.2 |
0.32 |
0.5 |
0.8 |
1 |
|
Allowable pressure difference(MPa) |
6.4 |
5.6 |
4.6 |
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Note: Basis for determining allowable pressure difference:1）Standard spring; Valve ClosedP2=0； 2）The flow direction is from bottom to top.
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