Thermostatic expansion valve

 
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Chinese Thermostatic thermal expansion valve,Manufacturer, Supplier, Factory, Exporter in china
STDE(B) thermal expansion valve
Porduct Introduction
STDE(B) Series thermal expansion valve adopts the top class technic,
is used for air-conditioner system,heat pump,auto air-conditioner,chiller
,reefer and traditional refrigeration system.
Throughway Valve,Solder connection
STDE: One-way outfall type
STDEB: Equalization outfall type,developed for 8-19TR to prevent the
change of static superheat caused by the change of condensing pressure
and evaporating load.
Have K,AC and N series for different temperature range
Suited for R22,R134a and R407C
Technical Parameter
Max. sensing bulb temperature 150≧
Max.Valve Body Temperature 120≧
Max. short term Valve Body Temperature 150≧
Max. Work Pressure 28bar
Max.Testing Pressure 32bar

MOP
te: evaporating temperature
Pe: evaporating pressure

Refrigerant

K Series
-25≧゛+10≧

AC Series
-10≧゛+15≧

te+15≧/+60H

te+20≧/+68H

R22

Pe100psi/6.9bar

Pe120psi/8.5bar

R407C

Pe95psi/6.6bar

Pe115psi/8.0bar

R134a

Pe55psi/5bar

 

R22
K-25≧゛+10≧ MOP100psi/8bar
AC-10≧゛+15≧ MOP120psi/9bar
N-40≧゛+10≧
SS4K

Outfall Type

Model

Connection Size

Nominal Refrigerating Capacity

in

mm

One-way

STDEX3

3/8〜5/8

10〜16

10.5

STDEX3

1/2〜5/8

12〜16

10.5

STDEX4

1/2〜7/8

12〜22

14

STDEX6

1/2〜5/8

12〜16

21

STDEX6

1/2〜7/8

12〜22

21

STDEX6

5/8〜7/8

16〜22

21

STDEX7.5

5/8〜7/8

16〜22

26

STDEX8

5/8〜7/8

16〜22

28

STDEX11

5/8〜7/8

16〜22

38.5

STDEX11

5/8〜1-1/8

16〜28

38.5

STDEX12.5

5/8〜7/8

16〜22

44

STDEX12.5

5/8〜1-1/8

16〜28

44

STDEX16

5/8〜1-1/8

16〜28

56

STDEX16

7/8〜1-1/8

22〜28

56

STDEX19

7/8〜1-1/8

22〜28

66.5

Equalization

STDEBX8

5/8〜7/8

16〜22

28

STDEBX11

5/8〜7/8

16〜22

38.5

STDEBX11

5/8〜1-1/8

16〜28

38.5

STDEBX12.5

5/8〜7/8

16〜22

44

STDEBX12.5

5/8〜1-1/8

16〜28

44

STDEBX16

5/8〜1-1/8

16〜28

56

STDEBX16

7/8〜1-1/8

22〜28

56

STDEBX19

7/8〜1-1/8

22〜28

66.5

R407C
K-25≧゛+10≧ MOP95psi/7.5bar
AC-10≧゛+15≧ MOP115psi/9bar
N-40≧゛+10≧
SS4K

Outfall Type

Model

Connection Size

Nominal Refrigerating Capacity

in

mm

Single

STDEZ3

3/8〜5/8

10〜16

10.5

STDEZ3

1/2〜5/8

12〜16

10.5

STDEZ4

1/2〜7/8

12〜22

14

STDEZ6

1/2〜5/8

12〜16

21

STDEZ6

1/2〜7/8

12〜22

21

STDEZ6

5/8〜7/8

16〜22

21

STDEZ7.5

5/8〜7/8

16〜22

26

STDEZ8

5/8〜7/8

16〜22

28

STDEZ11

5/8〜7/8

16〜22

38.5

STDEZ11

5/8〜1-1/8

16〜28

38.5

STDEZ12.5

5/8〜7/8

16〜22

44

STDEZ12.5

5/8〜1-1/8

16〜28

44

STDEZ16

5/8〜1-1/8

16〜28

56

STDEZ16

7/8〜1-1/8

22〜28

56

STDEZ19

7/8〜1-1/8

22〜28

66.5

Equalization

STDEBZ8

5/8〜7/8

16〜22

28

STDEBZ11

5/8〜7/8

16〜22

38.5

STDEBZ11

5/8〜1-1/8

16〜28

38.5

STDEBZ12.5

5/8〜7/8

16〜22

44

STDEBZ12.5

5/8〜1-1/8

16〜28

44

STDEBZ16

5/8〜1-1/8

16〜28

56

STDEBZ16

7/8〜1-1/8

22〜28

56

STDEBZ19

7/8〜1-1/8

22〜28

66.5

R134a
K-25≧゛+10≧ MOP55psi/5bar
N-40≧゛+10≧
SS4K

Outfall Type

Model

Connection Size

Nominal Refrigerating Capacity

in

mm

Single

STDEN2.3

3/8〜5/8

10〜16

8.1

STDEN2.3

1/2〜5/8

12〜16

8.1

STDEN3.1

1/2〜7/8

12〜22

10.8

STDEN4.6

1/2〜5/8

12〜16

16.2

STDEN4.6

1/2〜7/8

12〜22

16.2

STDEN4.6

5/8〜7/8

16〜22

16.2

STDEN5.8

5/8〜7/8

16〜22

20

STDEN6.2

5/8〜7/8

16〜22

22

STDEN8.5

5/8〜7/8

16〜22

30

STDEN8.5

5/8〜1-1/8

16〜28

30

STDEN9.6

5/8〜7/8

16〜22

34

STDEN9.6

5/8〜1-1/8

16〜28

34

STDEN12.3

5/8〜1-1/8

16〜28

43

STDEN12.3

7/8〜1-1/8

22〜28

43

STDEN14.6

7/8〜1-1/8

22〜28

51

Equalization

STDEBN6.2

5/8〜7/8

16〜22

22

STDEBN8.5

5/8〜7/8

16〜22

30

STDEBN8.5

5/8〜1-1/8

16〜28

30

STDEBN9.6

5/8〜7/8

16〜22

34

STDEBN9.6

5/8〜1-1/8

16〜28

34

STDEBN12.3

5/8〜1-1/8

16〜28

43

STDEBN12.3

7/8〜1-1/8

22〜28

43

STDEBN14.6

7/8〜1-1/8

22〜28

51

Remark: Nominal refrigerating capacity is based on the condensing temperature 32≧, evaporating temperature 5≧

 

 

 

 
 
 
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