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Compact pneumatic thin film regulating valve
The ZJHP (M) type pneumatic single seat (sleeve) regulating valve consists of a pneumatic multi spring thin film actuator and a low flow resistance st
Product details
The ZJHP (M) type pneumatic single seat (sleeve) regulating valve consists of a pneumatic multi spring thin film actuator and a low flow resistance straight through single seat valve (sleeve valve). The single seat valve body is directly connected to the single seat cover with a guide structure, and the valve core is a plunger type structure. Compared with ordinary single seat valves, it has the characteristics of small volume, light weight, and large flow rate, and is suitable for situations with high flow rate and strict leakage requirements.
1、 Valve body
Valve body form: Straight through single seat (sleeve) inverted S-shaped cast valve
Nominal diameter: DN20~300mm
Nominal pressure: PN1.6 4.0 6.4MPa
Connection type: flange type according to JB78-59 JB/T79.2-94 concave type
Material: HT200 ZG230-450 ZG1Cr18Ni9Ti ZG0Cr18Ni12M02Ti
Upper valve cover: room temperature type -20~+200 ℃
Heat dissipation type -40~+450 ℃
Packing: V-shaped polytetrafluoroethylene, flexible graphite, stainless steel corrugated pipe
Valve components
Valve core type: upper guide single seat (sleeve) plunger type valve core
Flow characteristics: linear characteristics, equal percentage characteristics, or quick opening characteristics
Material: 1Cr18Ni9Ti 0Cr18Ni12Mo2Ti
Flow characteristic diagram
Executing Agency:
Form: Multi spring thin film actuator gasket: rubber asbestos board, 1Cr18Ni9Ti
Diaphragm material: Nitrile rubber clip reinforced polyester fabric Spring range: 20-100 (40-200, 80-240, 20-60
Compression spring: 60Si2Mn 60-100) KPa
Push rod: 2Cr13 Gas supply pressure: 0.14 0.16 0.28MPa
Membrane cover: A3 Air source connector: Internal thread M10X1
Lining: 2Cr13 Environmental temperature: -30~+70 ℃
Valve action type: gas open type, gas closed type
Main technical parameters
| nominal orifice (mm) |
valve seat diameter (mm) |
Rated flow coefficient Kv | rated trip (mm) |
Effective area of film in cm2 | Inherent adjustable ratio | Environmental temperature ℃ | Basic error | return difference | dead zone | rated flow coefficient | leakage rate | ||
| straight line | Equal percentage | ||||||||||||
| G3/4 |
3 4 5 6 7 8 |
0.08 0.12 0.20 0.32 0.50 0.80 |
10 | 220 | 50:1 | -40~+85 | Without locator ± 5% Equipped with locator ± 1% |
Without locator ± 3% Equipped with locator 1% |
Without locator ± 3% Equipped with locator 0.4% |
±10% | Single seat 10-4Valve capacity (sleeve 10)-3Valve rated capacity | ||
| 20 | 10 | 1.8 | 1.6 | 10 | 350 | ||||||||
| 12 | 2.8 | 2.5 | |||||||||||
| 15 | 4.4 | 4 | |||||||||||
| 20 | 6.9 | 6.3 | |||||||||||
| 25 | 25 | 11 | 10 | 16 | |||||||||
| 40 | 32 | 17.6 | 16 | 25 | |||||||||
| 40 | 27.5 | 25 | |||||||||||
| 50 | 50 | 44 | 40 | ||||||||||
| 65 | 65 | 69 | 63 | 40 | 560 | ||||||||
| 80 | 80 | 110 | 100 | ||||||||||
| 100 | 100 | 176 | 160 | ||||||||||
| 150 | 125 | 275 | 250 | 60 | 900 | ||||||||
| 150 | 440 | 400 | |||||||||||
| 200 | 200 | 690 | 630 | ||||||||||
| 250 | 250 | 1000 | 900 | 100 | 1400 | ||||||||
| 300 | 300 | 1600 | 1440 | ||||||||||
Outline drawing of ZJHP/M pneumatic control valve
Dimensions of ZJHP/M Pneumatic Thin Film Control Valve
|
nominal orifice |
L(mm) | H(mm) | H1(mm) |
ФA (mm) |
||||||
|
ANSI125FF ANSI150RF JIS10KFF.RF PN0.6、1.6 |
ANSI300 JIS20 30KRF PN4.0 |
ANSI600 JIS40K.RF PN6.4 |
ordinary | high temperature | PN6 | PN16 | PN40 | PN64 | ||
| G3/4″ | 120 | 120 | 120 | 253 | 31 | 31 | 236 | |||
| 20 | 181 | 194 | 206 | 398.5 | 548.5 | 45 | 52.5 | 65 | 285 | |
| 25 | 184 | 197 | 210 | 410.5 | 560.5 | 50 | 57.5 | 70 | ||
| 40 | 222 | 235 | 251 | 455 | 620 | 65 | 75 | 85 | ||
| 50 | 254 | 267 | 286 | 457.5 | 627.5 | 70 | 82.5 | 90 | ||
| 65 | 276 | 292 | 311 | 610 | 790 | 80 | 92.5 | 102.5 | 360 | |
| 80 | 298 | 317 | 337 | 622 | 8.7 | 95 | 100 | 107.5 | ||
| 100 | 352 | 368 | 394 | 640 | 850 | 105 | 110 | 117.5 | 125 | |
| 150 | 451 | 473 | 508 | 870 | 1130 | 132.5 | 142.5 | 150 | 172.5 | 470 |
| 200 | 600 | 610 | 650 | 890 | 1150 | 160 | 170 | 187.5 | 207.5 | |
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