4-way Reversing Valves
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• Pilot operated 4-way reversing valves are suitable for heat pump applications on unitary, split system and window type air conditioners, etc.
• 4-way pilot valve adoption has an advantage on reliable changeover operations.
• Designed to lower the minimum operating pressure difference between high and low side.Pressure drop and valve leakage are minimized.
SPECIFICATIONS
• Max. Working pressure: 4.2MPa{42.8kgf/cm2}
(Type STF–H****)
4.15MPa {42.3kgf/cm2}
(Type STF–****G)
• Ambient temperature:−20 to 55°C
• Allowable fluid temperature:−20 to 120°C
(STF–H0104 to STF–1511G)
−20 to 130°C
(STF–2023G to 6001G)
•Ambient humidity: Less than 95% R.H.
Type number selection
|
Catalog No. |
Port size(mm) |
Capacity(R410A) |
O.P.D.（Mpa）{kgf/cm2} |
Connection(O.D.) |
Wt.(kg) |
|||
|
(kW) |
(U.S.R.T) |
Max. |
Min. |
Discharge |
Suction & Coils |
|||
|
STF-H0104 |
8 |
1.8 to 6.4 |
0.51 to 1.82 |
3.1{31.6} |
0.3{3.1} |
5/16” |
3/8” |
0.2 |
|
STF-H0202 |
11.1 |
2.0 to 11.4 |
0.57 to 3.24 |
3/8” |
1/2” |
0.32 |
||
|
STF-H0301 |
11.5 |
5.3 to 14.6 |
1.5 to 4.15 |
1/2” |
5/8” |
0.37 |
||
|
STF-H0404 |
16 |
8.3 to 33 |
2.36 to 9.39 |
3/4” |
0.77 |
|||
|
STF-H0601 |
18.1 |
8.4 to 45 |
2.39 to 12.8 |
0.87 |
||||
|
STF-H0712 |
20 |
21 to 53 |
5.97 to 15.0 |
3/4” |
7/8” |
1.2 |
||
|
STF-H0901 |
21.3 |
21 to 68.5 |
5.97 to 19.5 |
1.23 |
||||
|
STF-1511G |
23 |
39 to 59 |
11.1 to 16.7 |
7/8” |
1-1/8” |
1.55 |
||
|
STF-2023G |
24 |
39 to 74 |
11.1 to 21.0 |
|||||
|
STF-2501G |
28 |
52 to 94 |
14.8 to 26.7 |
1” |
1-1/4” |
3.4 |
||
|
STF-3001G |
34 |
65 to 124 |
18.5 to 35.2 |
1-1/4” |
1-1/2” |
4.7 |
||
|
STF-4001G |
40 |
115 to 188 |
32.7 to 53.4 |
1-1/2” |
1-3/4” |
9.1 |
||
|
STF-5001G |
50 |
145 to 235 |
41.2 to 66.8 |
2-1/8” |
9.4 |
|||
|
STF-6001G |
60 |
230 to 360 |
65.4 to 102 |
I.D. 1-5/8” |
2-5/8” |
20.1 |
||
O.P.D.: Operating Presure Differential(with air)
Electrica rating of solenoid coils
|
Catalog No. |
Rated voltage |
Tolerance(100%) |
Voltampere(VA) |
Power consumption(w) |
Insulation Class |
||
|
Running |
Inrush |
||||||
|
STF-H**** |
100V AC |
50/60Hz |
+10 |
10/8 |
30/24 |
6/5 |
Class B molded (IEC compliance) |
|
110V AC |
+10 |
||||||
|
230V AC |
11/9 |
33/27 |
|||||
|
STF-****G |
100V AC |
50/60Hz |
+10 |
13/10 |
39/30 |
7/6 |
|
|
110V AC |
+10 |
11/9 |
33/27 |
6/6 |
|||
|
230V AC |
|||||||
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