Spool Valves & Pilots - Emerson TopWorx D Series Installation, Operation & Maintenance Manual

D-Series with AS-I
Spool Valves and Pilots
Fail Closed Spool Valve Replacement Assemblies
AV-BFCVA20 Std Alum Spool Valve Assy w/Buna seals
AV-BFCVS20 Std 304SS Spool Valve Assy w/Buna seals
AV-BFCV620 Std 316SS Spool Valve Assy w/Buna seals
Fail Last Position Spool Valve Replacement Assemblies
AV-BFLPVA20 Std Alum Spool Valve Assy w/Buna seals
AV-BFLPVS20 Std 304SS Spool Valve Assy w/Buna seals
AV-BFLPV620 Std 316SS Spool Valve Assy w/Buna seals
Block-Center Spool Valve Replacement Assemblies
AV-BBCVA20 Std Alum Spool Valve Assy w/Buna seals
AV-BBCVS20 Std 304SS Spool Valve Assy w/Buna seals
AV-BBCV620 Std 316SS Spool Valve Assy w/Buna seals
**Consult factory for more options.
Illustration #14: Pilot Device Assembly
Manifold
Manifold
24V, 110V, 220V or 24V, 110V, 220V, or
Intrinsically Safe Pilot Device
IntrinsicallySafe Pilot Device
(no plug connector on I.S. Pilots)
(x1) for Fail Closed apps
(no plug connector on I.S. pilots)
(x2) for Fail Last Position &
(x1) for Fail Closed Apps
Block Center apps
(x2) for Fail Last Position &
Block Center Apps
Bracket Bracket
**Orifice only applicable to Explosion Proof units.
All others use standard fitting.
12
Installation, Operation & Maintenance
Illustration #13: Spool Valve Assembly
M5 x 25mm SHCS (x4)
(4mm hex wrench)
SINGLE PILOT ASSEMBLY
4-40x0.25 (x2)
4-40x.25 (x2)
Coil 1
Coil 2
4- 40 x .25"
SEM screw
TORQUE
100 IN-OZ
Bracket
Flame arrestor O-ring
(x5)
Spool Valve with No Manual Override
Spool Valve with Single Palm Actuator Override
Spool Valve with Dual Palm Actuator Override
4- 40 x .25"
SEM screw
TORQUE
100 IN-OZ
Bracket
YELLOW Urethane
Pilot
Tubing (Work)
Assembly
RED Urethane
Tubing (Supply)
10-32 Metal Plug
Barbed
"Y" Fitting
RED Urethane
Tubing (Supply)
YELLOW Urethane
Tubing (Work)
502.969.8000
Push-button Style Override
Pilot
Assembly
YELLOW Urethane
10-32 Metal Plug
Tubing (Work)
10-32 Metal
Barb Fitting
TORQUE 60 IN-OZ
ORIFICE TO BE USED
IN EXPLOSION PROOF
APPLICATIONS ONLY
Orifice
Assembly
10-32 Metal
Barb Fitting
TORQUE 60 IN-OZ
Orifice
Assembly