SPX FLOW APV CU41-T - Mechanics and Pneumatics; Pneumatic Connections for Valve Actuators

Y1
A1
P
AIR IN
A1
A2
Y1 Y2(N) Y3
P
AIR IN
S3
S2
APV_CU4 AS-i_UK-5_072018.indd
UK
Control Unit
CU4 AS-interface
Instruction manual: UK - rev. 5
APV
10
4. MechanicsandPneumatics
4.1. Airconnectionforvalveswithturningactuator
4.1.1. Function
CU41-T-AS-i
designforvalvewithturningactuator,e.g.butterflyvalves
P airsupplywithintegratedparticlelter
Y1 bore to transfer control air to turning actuator
A1 exhaust air with exhaust silencer
4.2. Airconnectionsforsingleseatanddoubleseatmixproofvalves
4.2.1. Function
CU41-S-AS-i/CU41-M-AS-i/CU41-D4
design for seat valves and double seat mix proof valves
withoutseatlift
P  irsupplywithintegratedparticlelter
Y1 control air connection for main actuator
A1 exhaust air with exhaust silencer
CU41N-S-AS-i
designforseatvalveswithNOTelement
P airsupplywithintegratedparticlelter
Y1 pneumatic air connection for main actuator
N pneumatic air connection for the spring support of the actuator
by compressed air, via NOT element
A1 exhaust air with exhaust silencer
CU43-M-AS-i/CU43-D4
designfordoubleseatmixproofvalveswithseatlift
P airsupplywithintegratedparticlelter
Y1 pneumatic air connection for main actuator
Y2 pneumatic air connection for seat lift actuator of upper seat lift
Y3 pneumatic air connection for seat lift actuator of lower seat lift
A1/A2 exhaust air with exhaust silencer