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Self-operated micro-pressure control valve

Products > Control valve > Self-operated micro-pressure control valve

Self-operated micro-pressure control valve

Model: ZZVP, ZZCP type
Nominal diameter: DN20mm ~ 100mm
Nominal pressure: PN0.1 ~ 1.0MPa
Temperature: ≤ 80 ℃
Design criteria: GB / T17213
Inspection standards: GB / T4213
Flange Standard: JIS B220, JB / T79, ANSI B16.5-1981, GB / T9113, HG20594-97, HG20618-97, etc.
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Product description:

ZZC and ZZV self-operated differential (micro) pressure regulator valve is an actuator without additional energy products. Available for nominal pressure PN0.1, PN1.0. Poor (micro) pressure can be adjusted in sections. From 50mm.WC~0.1MPa. Its use is very broad, can be used for industrial furnace system, control of two materials, such as gas, air flow ratio, in order~achieve the ideal combustion. For hydrogen-cooled generator oil seal system~control the pressure difference between the seal oil and hydrogen~ensure reliable seal. When the differential pressure valve through the low-pressure end of the atmosphere is the micro-pressure valve (differential pressure valve negative pressure, pressure, force is zero).
 

Features:

1, no need~stop production~adjust the set point; 
 2, no packing, the valve stem, the activities do not exist under the friction, the seal is absolutely reliable; 
 3, the implementing agencies sensitive element is extremely sensitive~changes in pressure will be very small Is sensed; 
 4, the body is a four-way form, so K, B-type can be a common body.
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Technical parameters: ◆ The main technical parameters and performance indicators

Nominal diameter DN (mm)

20

25

32

40

50

65

80

100

Limited Data

Coefficient Kv

ZZCP / ZZVP

8

11

20

32

50

80

100

160

ZZCN





53

83



Rated travel (mm)

6

8

10

15

20

Nominal pressure PN (MPa)

0.10 1.0

Differential pressure adjustment range (kPa)

0.5~5.5 5~10 9~14 13~19
       18~24 22~28 26~33 31~38
     36 ~ 44 42 ~ 51 49 ~ 58 56 ~ 66
     64 ~ 78 76 ~ 90 8 ~ 100

Medium temperature (℃)

≤ 80

Adjustment accuracy (%)

≤ 10

Allow leaks
       Quantity (l / h)

ZZCP / ZZVP

10 -4 X valve rated capacity (Ⅳ level)

ZZCN

5X10 -3 X valve rated capacity (Class II)

Note: 
 1, ZZCP / ZZVP nominal pressure of 0.10MPa, ZZCN 1.0MPa 
 2, ZZCN differential pressure adjustment range of 36 ~ 44 ... 88 ~ 100kPa
 
 
 Picture .png

Specifications Weight:

◆ Dimensions and weight unit: mm

DN

20

25

32

40

50

65

80

100

A

308

394

308

394

308

394

394

394

H

ZZCP / ZZVP

376

465

365

445

445

490

490

510

ZZCN





536

536



L

ZZCP / ZZVP

150

160

180

200

230

290

310

350

ZZCN





222

222



Weight G (Kg)

12

13

15

17

20

28

38

43

Pressure pipe thread connector

M16X1.5

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