|
Material |
Valve body: Forged brass |
|
|
Seal: Nitrile butadiene rubber (NBR) |
|
|
Chassis and Cover: Fireproof ABS plastic |
|
Working media |
Chilled/hot water |
|
Media temperature |
2~94℃ (36~201℉) |
|
Body pressure |
1.6Mpa (232psi) |
|
Pipe connection: |
NPT(N), BSP(G), Sweat(S), Inverted Flare(I) |
|
Sealing method |
Rubber ball sealing |
|
Power supply |
24VAC(A1), 110VAC(A2), 120VAC(A3), 220VAC(A4),
230VAC(A5), 240VAC(A6), 50/60Hz |
|
Power consumption |
6.5W by hysteresis synchronous motor |
|
Action time |
By motor: about 15s after power on |
|
|
By spring: about 5s after power off |
|
Operation method |
Normal-close(C), Normal-open(O), Bypass(B) |
|
Working ambient temperature |
＜40℃ (104℉) |
|
Working ambient humidity |
10~90% RH no condensation |
|
Storage temperature |
-20~65℃ (-68~149℉) |
|
Auxiliary micro-switch (S) |
250VAC, 3A for optional |
|
Model |
Type |
Size |
Kvs/Cvs |
Closing-off pressure (Mpa/psi) |
|
SR12GC21520A4 |
2-way |
G1/2″/ 15mm |
2.0/2.3 |
0.25/36 |
|
SR12GC21532A4 |
2-way |
G1/2″/ 15mm |
3.2/3.7 |
0.20/29 |
|
SR12GB31532A4 |
3-way diverting |
G1/2″/ 15mm |
3.2/3.7 |
0.20/29 |
|
SR12GC22032A4 |
2-way |
G3/4″/ 20mm |
3.2/3.7 |
0.20/29 |
|
SR12GC22046A4 |
2-way |
G3/4″/ 20mm |
4.6/5.4 |
0.15/22 |
|
SR12GB32046A4 |
3-way diverting |
G3/4″/ 20mm |
4.6/5.4 |
0.15/22 |
|
SR12GC22557A4 |
2-way |
G1″/ 25mm |
5.7/6.7 |
0.10/15 |
|
SR12GC22568A4 |
2-way |
G1″/ 25mm |
6.8/8.0 |
0.08/12 |
|
SR12GB32557A4 |
3-way diverting |
G1″/ 25mm |
5.7/6.7 |
0.10/15 |
|
SR12GC232A0A4 |
2-way |
G11/4″/ 32mm |
10.0/12 |
0.08/12 |
|
SR12GB33284A4 |
3-way diverting |
G11/4″/ 32mm |
8.4/9.8 |
0.08/12 |
|
Procurement contract loading
