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WCB_D4_D4SL_sch5_US.indd
D4 / D4 SL Schedule 5 Series
Double Seat Mix Proof Valves
Instruction Manual: US - rev. 1
Waukesha Cherry-Burrell
®
brand D4 / D4 SL Schedule 5 Valves
9. Technical Data
9.3.
Cvs values in gpm*psi
upper line
lower line
upper - lower line
lower - upper line
Size
D4
D4 SL
D4
D4 SL
D4
D4 SL
D4
D4 SL
2" Sh5
164
154
128
128
73
69
74
71
3" Sh5
288
272
227
227
172
165
168
165
4" Sh5
474
474
349
349
271
271
268
268
6" Sh5
1169
1169
733
733
479
479
454
454
9.4.
Air consumption / Switching times
D4 Valve
Air consumption
at 72 psi (5 bar)
Switching times in seconds
at 72 psi (5 bar) / CU41
Actuator
Size
ft³/stroke
valve open
Open
Closed
2" Sh5
0.07
1.7
2
3" Sh5
0.13
2.6
3.3
4" Sh5
0.19
3.4
5.2
6" Sh5
0.30
3.5
9.3
D4 SL Valve
Air consumption at 72 psi (5 bar)
Switching times in seconds
at 72 psi (5 bar) / CU43
Actuator
Seat lift actuator
Size
ft³/stroke
valve open
ft³/stroke
upper seat lift
ft³/stroke
lower seat lift
Open
Closed
2" Sh5
0.06
0.12
0.008
1.6
1.9
3" Sh5
0.13
0.27
0.008
2.6
3.3
4" Sh5
0.19
0.37
0.008
3.4
5.2
6" Sh5
0.30
0.58
0.026
3.5
9.3