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Conbraco CDC4A-104-T2F 3/4 in. DCA Backflow Preventer

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Product Code: CDC4A-104-T2F

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Description

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	Specs Manual
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CONBRACO DC4A DOUBLE CHECK ASSEMBLIES:

The Apollo® Model DC4A Double Check Valves prevent contamination of the potable water supply due to back-siphonage or backpressure from substances that are objectionable to the potable water supply, but non-health hazards. The top accessed modular check valve cartridges provide captured springs, replaceable seats and reversible silicone seat discs. This Made in America assembly features Apollo® ball valves with stainless steel handles and nuts as standard and carries the five-year Apollo® factory warranty.

Features

Low pressure loss documented by independent approval agencies
Easily removable modular check valve cartridge
Captured stainless steel springs
Apollo® ball valves w/ SS handles & nuts standard
Top-mounted test cocks for easy testing
No special tools required
Chloramine-resistant elastomers
Designed, cast, machined, assembled and tested IN THE USA

Approvals

ASSE 1015 - Horizontal and Vertical Flow Up (½"-2")
CSA B.64.5 - Horizontal and Vertical Flow Up (½"-2")

Performance Rating

Maximum Working Pressure 175 psi
Temperature Range 33 ° F – 180 ° F

Material Specifications

Part Name	Material
Body, Caps, Ball Valve Shutoffs, Test cocks	Bronze C84400
Check Valve Cartridges	Glass-Filled PPO
Springs	300 Series Stainless Steel
Seat Discs	Chloramine-resistant Silicone
O-rings	Chloramine-resistant EPDM

Conbraco DC4a Double Check Assembly Diagram

Dimensions

Size	A	B	C	D
1/2"	11	7-3/8"	3-1/4"	2-1/2"
3/4"	12-3/4"	8-1/2"	3-1/2"	3"
1"	14-5/8"	9-1/2"	4"	3-1/4"
1-1/4"	18-5/8"	11-3/4"	4-1/2"	4-3/4"
1-1/2"	18-3/4"	11-5/8"	4-1/2"	4-3/4"
2"	21-1/8"	12-3/4"	5"	5-3/8"

FLOW CURVES, Curves developed from independent approval agencies actual tests – Consult factory for details.
¦ indicates rated flow as determined by approval agencies, 7.5 ft/sec is the typical maximum Plumbing system flow rate.