Apollo Conbraco 4ALF-400 User Manual
SUBMIT TA L
PAT. PEND.
(B)
(C)
(D)
0 5 10 15 20 25
1/2”
3/4”
SHEET
4ALF-400 Series
DCAPLF4A Dual Check with Atmospheric Port
LEAD FREE
Job Name:
Job Location:
Engineer:
Contractor:
Tag :
PO#:
Rep:
Wholesale Dist.:
DESCRIPTION
The Apollo Model DCAPLF4A Dual Check with Atmospheric Port is designed to protect residential and commercial water supply lines from back-siphonage
or backpressure of non-potable/non-hazardous substances. An intermediate atmospheric vent provides protection from backflow conditions. Proudly
made in the USA.
FEATU R E S
• Corrosion Resistant
• Low Head Loss
• Independently Acting Check Valves
PERFORMANCE RATING
• Maximum Working Pressure: 175 psig
• Inlet Temperature Range: 33°F - 210°F
• Maximum Backflow Temperature: 250°F
• Ease of Repair and Installation
• Economical
• Suitable for Hot or Cold Water Service
• Can be Installed Horizontally or
Vertically (Flow Up Condition Only)
• Lead Free Option
APPROVALS
• ASSE 1012
• CSA B64.3
• NSF/ANSI 372-2016 Lead Free
• 2 Year Warranty
DIMENSIONS
PART NUMBER
4ALF4A33A,
4ALF4A33AC
4ALF4H33H,
4ALF4H33HC
4ALF4A44A,
4ALF4A44AC
4ALF4H44H,
4ALF4A44HC
DIMENSIONS (IN.)
A B C D
4.1 1.6 1.9 2.4 1.31
3.9 1.6 1.9 2.3 1.24
4.3 1.6 1.9 2.5 1.32
4.4 1.6 1.9 2.6 1.29
WT.
(LB.)
PART NUMBER MATRIX
4A [X] 4 X X - X X X
UNION INLET
CONNECTION
4A - STANDARD A - FNPT 3 - 1/2" A - FNPT
4ALF - LEAD FREE H - SOLDER JOINT 4 - 3/4" B - MNPT
INLET AND
OUTLET SIZE
UNION OUTLET
CONNECTION
H - SOLDER JOINT
(B)
OPTION
C - CANADIAN
(DISCHARGE PORT
NOT THREADED)
(D)
(A)
FLOW CURVE
40
35
30
25
20
15
10
5
0
STANDARD MATERIALS LIST
BODY
UNIO N NUT & TAILPI ECES
SEAT DISCS
SEAT STEM & RETAINER
SPRINGS
PAT. PEND.
Forged Brass C87800
Forged Brass C87800
EPDM (FDA/NSF 61)
Forged Brass C46500
Stainless Steel
*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
SS1412 © 10/19 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.
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