Johnson Controls MP8 20 Series Manual page 11

Close-off Pressures [kPa] with VG Valves
Diverting: Inlet – Outlet 2 (Bypass)
K
vs
DN Actuator
Coefficient
VG8000N PN 16 Valves
15 4.0 + 2.5
15 0.1 – 1.6
20 4.0 / 6.3
MP8x2
25 6.3 / 10
32 10 / 16
40 16 / 25
VG8300N PN 16 Valves
40 16 / 25 MP8x2
VG8000H PN 25 Valves
15 4.0 + 2.5
15 0.1 – 1.6
20 4.0 / 6.3
MP8x2
25 6.3 / 10
32 10 / 16
40 16 / 25
VG8300H PN 25 Valves
40 16 / 25 MP8x2
DA Actuator
Spring-return up
PDTO Valve
Mixing: Inlet 1 – Outlet
RA Actuator
Spring-return down
PDTC Valve
Mixing: Inlet 2 – Outlet
Diverting: Inlet – Outlet 2 (2-way)
Spring Range
[kPa]
20 - 50 60 - 90
Spring ID No.
23 63
600 1600
1600 1600
200 1600
90 1600
- 1000
- 580
- 1600
30 2500
820 2500
- 2500
- 1780
- 880
- 510
- 2500
DA Actuator
Air Pressure closes
PDTO Valve
Mixing: Inlet 1 – Outlet
Diverting: Inlet – Outlet 2 (Bypass)
RA Actuator
Air Pressure closes
PDTC Valve
Mixing: Inlet 2 – Outlet
Diverting: Inlet – Outlet 2 (2-way)
120 kPa 140 kPa
Spring Range Spring Range
[kPa]
20 - 50 60 - 90 20 - 50
Spring ID No. Spring ID No.
23 63 23
1600 1600 1600
1600 1600 1600
1600 890 1600
1600 560 1600
1250 230 1600
740 100 1060
1600 1600 1600
2500 1330 2500
2500 2500 2500
2500 590 2500
2250 350 2500
1140 120 1650
670 30 990
2500 2500 2500
160 kPa
Spring Range
[kPa] [kPa]
60 - 90 20 - 50 60 - 90
Spring ID No.
63 23
1600 1600 1600
1600 1600 1600
1600 1600 1600
1510 1600 1600
740 1600 1250
420 1380
1600 1600 1600
2500 2500 2500
2500 2500 2500
1940 2500 2500
1300 2500 2250
630 2160 1140
350 1320
2500 2500 2500
63
740
670