ZJHY Pneumatic small flow control valve

Pneumatic small flow control valve product description ZJHY pneumatic small flow control valve is a product developed independently by our company for small flow conditions. It consists of a pneumatic diaphragm actuator and a small flow control valve body. The multi-spring actuator has a low height, light weight, and simple equipment. Pneumatic small flow control valve features small size, light w

Product Description

Pneumatic small flow control valve product description

ZJHY pneumatic small flow control valve is a product developed independently by our company for small flow conditions. It consists of a pneumatic diaphragm actuator and a small flow control valve body. The multi-spring actuator has a low height, light weight, and simple equipment. Pneumatic small flow control valve features small size, light weight, high performance, precise control for small flow rates, etc. When adjusting unclean media, the problem of blocking jams should be taken care of with regard to the problem of small throttling clearance. Pneumatic small flow control valve is particularly suitable for the main flow adjustment of liquids, steam and other media.


Technical Parameter

valve body Parameters


Nominal diameter(DN)

G3/8"1/2"G3/4"G1"

Valve seat diameter(dn)

1.5

2

3

4

5

6

7

8

9

10

11

12

15

Rated flow coefficient KV

0.025

0.05

0.08

0.12

0.20

0.32

0.50

0.80

1.00

1.40

1.55

1.85

2.23

Allowable pressure
difference(MPa)

≤Nominal pressure

Nominal pressure(MPa)

1.62.54.06.410.016.025.032.0

With actuator type

ZHA/B-11

Rated route(mm)

8

10

12

Valve cover form

standard type(-17+250℃)High temperature type(+250+450℃)Low temperature type(-40-196℃)Bellows sealed type(-40+350℃)

Capping form

Bolt compression type

Seal packing

V type PTFE packingV type flexible graphite filler

fValve body material

stainless steelCF8CF8MCF3CF3MBiphase stainless steel2520

 

Valve trim parameters

 

Valve core form

single seat Plunger type

Flow characteristics

Linear, equal percentage

valve core material

stainless steel (304316316L)


Actuator parameters


Configure Actuator
Category

ZHA/B Multi-spring film actuator

Actuator model

ZHA/B-11

Effective area(cm2)

200

route (mm)

1016

Spring range(KPa)

20100standard)、20-6060-10040-20080-240

Diaphragm material

Nitrile rubber clip nylon cloth, ethylene propylene rubber clip nylon cloth

Air supply pressure

140400KPa

Air interface

RC1/4"

Ambient temperature

-30+70℃

equipped with
accessories

Locator, air filter pressure reducer, position valve, route switch, valve positioner, handwheel mechanism, etc.

Form of action

Air-to-close (B)—Valve open (FO) when deaeration; Air-opening (K)—Valve off (FC) when deaeration

 



Dimension

drawing-high-pressure-low-flow-control-valve.jpg

How to order

ZJHY  Pneumatic small flow control valve


  1. Medium

  2. Pipe size

  3. Flow rate 

  4. Inlet and outlet pressure

  5. Working pressure

  6. Working temperature

  7. Accessories  :actuator , positioner , filter 

  8. Other requirement ?

Video

None

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