皇冠·体育(中国)官方网站-Crown Sports皇冠体育

Home
>>Core businesses>>Refrigeration accessories>>One-way valve
FDH Series Piston Type Check Valve
<!--<$[标题]>begin-->FDH Series Piston Type Check Valve<!--<$[标题]>end-->

FDH series piston type check valves are widely used in VRVs and commercial air conditioners, heat pump hot water heaters and commercial refrigeration. The piston type check valves are preferred at exhaust air tube because of better high temperature resistance performance.

FEATURES

•  This valve can ensure the only correct flow direction to prevent back flow

•  Damping spring design without installation angles limits

•  FDHY reinforced spring-type valve for multiple compressors in parallel


OPERATION CONDITIONS

•  Applicable Refrigerants: R410A, R32, R134a, R404A, R507, R290, R407C and R22, etc.(For R290, please confirm before placing orders.)

•  Maximum Working Pressure: 4.5MPa

•  Medium Temperature： -50℃~ +140℃

•  Ambient Temperature：-30℃~ +55℃

•  Relative Humidity： below 95%


TECHNICAL PARAMETERS

Model

Kv

Maximum Working Pressure

Min Open Differ Press

（m3/h）

MPa

MPa

FDH10

1.03

4.6

0.005

FDH12

2.06

4.6

0.005

FDH16

3.6

4.6

0.005

FDH19

5.48

4.6

0.005


DIMENSIONS


Model

Connections

（ΦD）

A

B

C

Weight

Order Number

inch

mm

mm

mm

mm

g

FDH10

3/8

9.6

109

9

18

55.3

FDH2605701000

FDH12

1/2

12.7

131

10

22

90

FDH2606100005

FDH16

5/8

16.1

139

12

28

165

FDH2605270001

FDH19

3/4

19.25

165

15

34

235

FDH2606100018