Submittal Sheet

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This specication is provided for reference only. Conbraco Industries Inc. reserves the right to change any portion of this specication without notice and without incurring
obligation to make such changes to Conbraco products previously or subsequently sold. Please visit our website @ www.apollovalves.com for the most current information.
Apollo Valves, Manufactured by Conbraco Industries, Inc.
701 Matthews Mint-Hill Road, Matthews, NC 28105 USA
www.apollovalves.com | [phone]
4A-400 Series
DCAP4A Dual Check with Atmospheric Port
SS 1401 © 08/15 Page 1 of 1
DIMENSIONS
Model
Number
Dimensions (in.)
Wt.
(lbs.)
A B C D
4A4A33AM,
4A4A33AMC
4.1 1.6 1.9 2.4 1.31
4A4A33BM 4.8 1.6 1.9 2.4 1.36
4A4AH33HM 4 1.6 1.9 2.4 1.28
4A4H33HM,
4A4H33HMC
3.9 1.6 1.9 2.3 1.24
4A4AH33AM 4 1.6 1.9 2.3 1.28
4A4AH33BM 4.7 1.6 1.9 2.3 1.33
4A4A44AM,
4A4A44AMC
4.3 1.6 1.9 2.5 1.32
4A4A44BM 4.9 1.6 1.9 2.5 1.35
4A4A44HM 4.4 1.6 1.9 2.5 1.31
4A4H44HM,
4A4A44HMC
4.4 1.6 1.9 2.6 1.29
4A4H44AM 4.4 1.6 1.9 2.6 1.31
4A4H44BM 4.9 1.6 1.9 1.3 1.33
DESCRIPTION
The Apollo® Model DCAP4A 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 backow conditions.
FEATURES
• Low pressure loss
• Corrosion resistant
• Independently acting check valves
• Easy to install and repair with built-in
strainer
• Suitable for hot or cold water service
PERFORMANCE RATING
• Maximum Operating Pressure = 175 psi
• Inlet Temperature Range = 33 °F – 210 °F
• Maximum Back-pressure Temp. = 250 °F
APPROVALS
• ASSE® 1012 and CSA® B64.3
STANDARD MATERIALS LIST
Part Name Material
Body Forged Brass C37700
Union Nut & Tailpieces Forged Brass C37700
Seat Discs EPDM
Seat Stem & Retainer Forged Brass C37700
Springs Stainless Steel
PAT. PEND.
(A)
(B)
(C)
(D)
ORDERING INFORMATION
Model
Number
Part
Number
End Connections
Vent
Inlet Outlet
4A4A3AM DCAP4AFF12 1/2” FPT 1/2” FPT 1/2” FPT
4A4A33AMC DCAP4AFFC12 1/2” FPT 1/2” FPT NO THREAD
4A4A33BM DCAP4AFM12 1/2” FPT 1/2” MPT 1/2” FPT
4A4A33HM DCAP4AFS12 1/2” FPT 1/2” SLDR 1/2” FPT
4A4H33HM DCAP4ASS12 1/2” SLDR 1/2” SLDR 1/2” FPT
4A4H33HMC DCAP4ASSC12 1/2” SLDR 1/2” SLDR NO THREAD
4A4H33AM DCAP4ASF12 1/2” SLDR 1/2” FPT 1/2” FPT
4A4H33BM DCAP4ASM12 1/2” SLDR 1/2” MPT 1/2” FPT
4A4A44AM DCAP4AFF34 3/4” FPT 3/4” FPT 1/2” FPT
4A4A44AMC DCAP4AFFC34 3/4” FPT 3/4” FPT NO THREAD
4A4A44BM DCAP4AFM34 3/4” FPT 3/4” MPT 1/2” FPT
4A4A44HM DCAP4AFS34 3/4” FPT 3/4” SLDR 1/2” FPT
4A4H44HM DCAP4ASS34 3/4” SLDR 3/4” SLDR 1/2” FPT
4A4A44HMC DCAP4ASSC34 3/4” SLDR 3/4” SLDR NO THREAD
4A4H44AM DCAP4ASF34 3/4” SLDR 3/4” FPT 1/2” FPT
4A4H44BM DCAP4ASM34 3/4” SLDR 3/4” MPT 1/2” FPT
0
5
10
15
20
25
30
35
40
0 5 10 15 20 25
FLOW RATE (GPM)
4A4A44AM (3/4) 4A4A33AM (1/2)
1/2”
3/4”
1/2”
US Patent Pending
Pressure Loss (PSI)
- - - - - 1/2” 3/4”