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APOLLO 4ALF3A44A Potable Water Dual Check Backflow Preventer - Potable Water Dual Check Backflow Preventers
APOLLOPotable Water Dual Check Backflow Preventers

APOLLO 4ALF3A44A Potable Water Dual Check Backflow Preventer

The APOLLO Dual Check Valve: 4A is a potable water dual check backflow preventer with a 3/4 in pipe size and FNPT x FNPT connections. It has a flow rate of 24 gpm and an overall length of 4.5 in, with NPT threading…

SKU 3G-OTH-437178

Brand
APOLLO
Item
4ALF3A44A Potable Water Dual Check Backflow Preventer
Part Number
4ALF3A44A
Category
Potable Water Dual Check Backflow Preventers
Available to Order
Also known as:4ALF3A44AAPOLLO
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Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

APOLLO
Manufacturer Part Number
4ALF3A44A
Type
FNPT x FNPT, NPT
Overall Lg
4.5 in
Pipe Size
3/4 in
Flow Rate
24 gpm
Connection Type
FNPT x FNPT

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APOLLO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The APOLLO Dual Check Valve: 4A is a potable water dual check backflow preventer with a 3/4 in pipe size and FNPT x FNPT connections. It has a flow rate of 24 gpm and an overall length of 4.5 in, with NPT threading (MPN 4ALF3A44A).

Frequently Asked Questions

What is the APOLLO Dual Check Valve 4A used for?

The APOLLO Dual Check Valve 4A is used to prevent backflow of contaminated water into potable water lines. It is installed in residential, commercial, and industrial plumbing systems to protect drinking water quality, typically at meter or service connections.

What are the specifications of the APOLLO Dual Check Valve 4A?

The APOLLO Dual Check Valve 4A has a 3/4 in pipe size, FNPT x FNPT connections, a flow rate of 24 gpm, and an overall length of 4.5 in. It uses NPT threading and is manufactured by APOLLO under part number 4ALF3A44A.

Where to buy the APOLLO Dual Check Valve 4A worldwide?

3G Electric supplies the APOLLO Dual Check Valve 4A to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this backflow preventer.

How to install the APOLLO Dual Check Valve 4A?

Install the APOLLO Dual Check Valve 4A in a horizontal or vertical position with flow arrow pointing downstream. Use pipe thread sealant on FNPT connections, tighten to 25-35 ft-lb, and test for leaks. Always follow local plumbing codes.

Used in

Common applications for APOLLO
HVAC systems — Apollo bronze ball valves with FNPT connections for isolation of chilled and hot water lines.
Natural gas distribution — Apollo UL-listed bronze ball valves rated for gas service and 600 psi CWP.
Industrial process piping — Apollo stainless steel ball valves with spring-return handles for fail-safe shutoff.
Plumbing and potable water — Apollo brass ball valves with sweat connections for copper tubing installations.
Steam service — Apollo bronze ball valves with MPTFE seals and high-temperature ratings.
Backflow prevention — Apollo bronze ball check valves with RPTFE balls for inline flow control.
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APOLLO Products

3G Electric supplies APOLLO potable water dual check backflow preventers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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APOLLO dual check backflow preventer for potable water systems. Features 1 in FNPT x FNPT connections, 24 gpm flow rate, and EPDM seals. Overall length 4.38 in. Used to prevent backflow in residential, commercial, and municipal water supply lines
APOLLO
APOLLO dual check backflow preventer for potable water systems. Features 1 in FNPT x FNPT connections, 24 gpm flow rate, and EPDM seals. Overall length 4.38 in. Used to prevent backflow in residential, commercial, and municipal water supply lines

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