Apollo Conbraco 4ALF-300 User Manual
DuCLF4A
Dual Check Valve
SUBMITTAL SHEET
DESCRIPTION
The lead free* Apollo® Model D uCLF4A (4ALF-300) D ual Check Valve prevents backflow by either backpressure or back-siphonage from a cross-connection
between potable water lines and substances that are objectionable, but not health hazards.
LEAD FREE
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FEATU R ES
• Low Head Loss
• Independently-Acting Captured Spring
Check Valves
• Compact and Lightweight
• Corrosion Resistant
• Replaceable Check Modules
• Industry Lay Lengths
• Lead-Free (NSF 372)
• Available in Standard and Swivel Types
• 5 Year Warranty
DIMENSIONS
SIZE
(IN.)
1/2” 4.38 2.00 1.40
3/4 ” 4.38 2.00 1.40
3/4” Meter Swivel 4.75 2.00 1.60
1” 4.38 2.00 1.40
1” Meter Swivel 4.75 2.00 1.75
DIMENSIONS (IN.)
A B
WT. (L B. )
PERFORMANCE RATING
• Maximum Working Pressure: 175 psi
• Operating Temperature Range: 33°F - 180°F
APPROVALS
• ASSE 1024
• CSA B64.6
• NSF/ANSI 61-2016
• NSF/ANSI 372 Lead Free
METER THREAD SIZING
5/8” ME TER 3 /4”
3/4 ” M ETE R 1”
1” METER 1- 1/4”
STANDARD MATERIALS LIST
BODY
TAILPIECE
UNION NUT
CHECK MODULES
SPRINGS
SEAT DISCS
Lead Free* Bronze C87800
Lead Free* Brass C4 6500
Brass C36000
Acetal (3/4”-1”)
Stainless Steel
Buna-N (3/4”-1”)
UNION X NPT
METER SWIVEL X NPT
PART NUMBER MATRIX
4ALF [X] 3 X X X X X
UNION INLET CONNECTION
4ALF - LEAD FREE A - FNPT 3 - 1/2" A - FNPT BLANK - SATIN BRASS
B - MNPT 4 - 3/4” B - MNPT
C - FEMALE METER THREAD 5 - 1”
S - FEMALE METER SWIVEL
1
For meter threads, order one size larger than meter size. (i.e.- 4ALF3S54A = 1” Female Meter Swivel Inlet (for connection to 3/4” meter) x 3/4” FNPT outlet
2
Not all inlet and outlet combinations are available. Please contact Apollo Customer Service for availability.
*LEAD FREE: The wetted surfaces of this product shall contain no more than 0.25% lead by weighted average. Complies with Federal Public Law 111-380 . ANSI 3rd party approved and listed.
(704) 841-6000
apollovalves.com
SS1400 © 10/18 Page 1 of 1
This specification is provided for reference only. Apollo reserves the right to change any portion of this specification without
notice and without incurring obligation to make such changes to Apollo products previously or subsequently sold.
Most current information available at apollovalves.com.
1,2
INLET AND OUTLET SIZE OUTLET CONNECTION
EXAMPLE: 4ALF 3S54A = Lead Free Dual Check
6 - 1-1/4” (METER THREAD SIZING
FOR 1” METER SWIVEL)
with Female Swivel 1” Inlet (for 3/4” meter
connection x 3/4” FNPT outlet)
1,2
FINISH
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