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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. 0
Waukesha Cherry-Burrell
®
brand D4 / D4 SL Schedule 5 Valves
9. Technical Data
9.3.
Cvs values in gpm
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
166
156
130
130
74
70
75
71
3" Sh5
291
275
229
229
174
167
170
167
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
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