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Apollo RP4A User Manual
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10
Customer Service
(70
4) 841-6000
www
.apolloflowcontrols.
com
“
Apl
”
Flow Controls
INST
ALL
A
TION, OPE
RA
TION
& MAINTE
NANCE
MANU
AL
COVER BO
LT
S
COVER
DIAPHRAGM
RELIEF
VA
LV
E
CARTRIDGE
RV
SEA
T
RV
SEA
T
O-RING
BUSHING
O-RING
RV
BODY
1/4"
SCREW
1/4" SCREW
DISC W
ASHER
DISC
STEM
STEM O-RING
BUSHING
SPRING
DIAPHRAGM
PL
AT
E
BO
LT
STEM O-RINGS
BUSHING
SPRING
DIAPHRAGM
PL
AT
E
RV
BODY
RV
SEA
T
O-RING
RV
SEA
T
BUSHING
O-RING
RELIEF
VA
LV
E
CA
RT
RIDGE
COVER
COVER BO
LT
S
NIPPLE
SCREW
DISC W
ASHER
DISC
STEM
DIAPHRAGM
PL
AT
E
DIAPHRAGM
SHROUD
1/4"
SCRE
W
IV
.
MAINTENANCE INS
TRUCTIONS - 2-1/2” – 6”
FIGURE
9
8”
FIGURE
10
10” -1
2”
9
11
Table of Contents
Table of Contents
2
Description and Operation
3
Installation
3
Installation
4
Troubleshooting
4
Check Removal
5
Maintenance
5
Relief Valve Maintenance
6
Maintenance Instructions (RP/RPDA Mainline)
9
Relief Valve Maintenance, 8"
9
Relief Valve Maintenance 10-12"
11
Check Valve No.2 Tight against Back Pressure
12
Testing Procedures
12
To Test Operation of the Pressure Differential Relief Valve
12
Testing Procedures for Single Check on RPDA Type 2 Bypass
13
Description and Operation
14
Installation
14
RPDA Bypass Types View
15
Parts Diagram and List
16
Bypass Single Check (Type 2) View and Parts List
22
Bypass Single Check (Type 2) Disassembly and Assembly
23
Maintenance Instructions - Bypass Single Check (Type 2)
23
Bypass Kits View
24
Bypass RP View and Parts List
34
Check Valve Module Assembly
36
Check Valve Poppet Disassembly and Assembly
36
Maintenance Instructions - Bypass RP (Type 1)
36
Bypass RP (RPDA Type 1)
36
Relief Valve Disassembly and Assembly
36
Shut-Off Valves Parts List
37
4
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Apollo RP4A Specifications
General
Brand
Apollo
Model
RP4A
Category
Control Unit
Language
English
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