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backflow.apollovalves.com
ES1600 REV A.
BFMMRP4ALBF
BYPASS LINE KITS
SIZE METER OPTION
TYPE 1 BYPASS
KIT PART NO.
TYPE 2 BYPASS
KIT PART NO.
2-1/2”
GALLONS PER MIN 4ALF-600-BPE 4ALF-620-BPE
CUBIC FT PER MIN 4ALF-600-BPC 4ALF-620-BPC
NO METER 4ALF-600-BPG 4ALF-620-BPG
3”
GALLONS PER MIN 4ALF-600-BPE 4ALF-620-BPE
CUBIC FT PER MIN 4ALF-600-BPC 4ALF-620-BPC
NO METER 4ALF-600-BPG 4ALF-620-BPG
4”
GALLONS PER MIN 4ALF-60A-BPE 4ALF-62A-BPE
CUBIC FT PER MIN 4ALF-60A-BPC 4ALF-62A-BPC
NO METER 4ALF-60A-BPG 4ALF-62A-BPG
6”
GALLONS PER MIN 4ALF-60C-BPE 4ALF-62C-BPE
CUBIC FT PER MIN 4ALF-60C-BPC 4ALF-62C-BPC
NO METER 4ALF-60C-BPG 4ALF-62C-BPG
8”
GALLONS PER MIN 4ALF-60E-BPE 4ALF-62E-BPE
CUBIC FT PER MIN 4ALF-60E-BPC 4ALF-62E-BPC
NO METER 4ALF-60E-BPG 4ALF-62E-BPG
10”
GALLONS PER MIN 4ALF-60G-BPE 4ALF-62G-BPE
CUBIC FT PER MIN 4ALF-60G-BPC 4ALF-62G-BPC
NO METER 4ALF-60G-BPG 4ALF-62G-BPG
12”
GALLONS PER MIN 4ALF-60H-BPE 4ALF-62H-BPE
CUBIC FT PER MIN 4ALF-60H-BPC 4ALF-62H-BPC
NO METER 4ALF-60H-BPG 4ALF-62H-BPG
A. DISASSEMBLY - CHECK VALVE MODULE
1. Close #2 bypass line shut-off valve, then close #1 bypass line shut-off valve.
2. Bleed pressure from the assembly by opening the upstream test cock (located on the bypass line #1 shut-off valve) and the downstream test
cock (located on the check valve cap).
3. Unscrew cap using hex head provided.
4. Pull check module straight out of body. Needle-nose pliers will aid in removing check valve. Check o-ring may remain in valve body
NOTE: Check valve modules are not user serviceable. In the event of check failure, replacement modules are sold individually.
However, debris caught in the check may be rinsed out.
B. ASSEMBLY - CHECK VALVE MODULE
1. Install new or cleaned check valve module into body (ensure check o-ring is in place).
2. Apply a thin coat of Apollo® supplied lubricant, DOW 111 or equal, on cap o-ring.
3. Install cap.
VIII. MAINTENANCE INSTRUCTIONS - BYPASS SINGLE CHECK (TYPE 2)
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