ZJHY Pneumatic small flow control valve

Nominal diameter(DN)

G3/8"、1/2"、G3/4"、G1"

Valve seat diameter(dn)

2

3

4

5

6

7

8

9

10

11

12

15

Rated flow coefficient KV

Allowable pressuredifference(MPa)

≤Nominal pressure

Nominal pressure(MPa)

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 packing、V type flexible graphite filler

fValve body material

stainless steel（CF8、CF8M、CF3、CF3M、Biphase stainless steel2520）

Valve core form

single seat Plunger type

Flow characteristics

Linear, equal percentage

valve core material

stainless steel (304、316、316L)

Configure ActuatorCategory

ZHA/B Multi-spring film actuator

Actuator model

ZHA/B-11

Effective area(cm2)

200

route (mm)

10、16

Spring range(KPa)

20～100（standard）、20-60、60-100、40-200、80-240

Diaphragm material

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

Air supply pressure

140～400KPa

Air interface

RC1/4"

Ambient temperature

-30～+70℃

equipped withaccessories

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