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APOLLO Dual Check Valve w Atmosheric Vent: 4A, 3/4 in Pipe Size, FNPT x FNPT, 23 gpm Flow Rate - Potable Water Dual Check Backflow Preventers
APOLLOPotable Water Dual Check Backflow Preventers

APOLLO Dual Check Valve w Atmosheric Vent: 4A, 3/4 in Pipe Size, FNPT x FNPT, 23 gpm Flow Rate

The APOLLO Dual Check Valve with Atmospheric Vent (Model 4A, MPN 4A4A44AM) is a potable water dual check backflow preventer. It features a 3/4-inch pipe size with FNPT x FNPT connections and a 23 gpm flow rate…

SKU 3G-OTH-437177

Brand
APOLLO
Item
Dual Check Valve w Atmosheric Vent: 4A, 3/4 in Pipe Size, FNPT x FNPT, 23 gpm Flow Rate
Category
Potable Water Dual Check Backflow Preventers
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Local availability & support

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
4A4A44AM
Type
FNPT x FNPT, EPDM
Pipe Size
3/4 in
Flow Rate
23 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 with Atmospheric Vent (Model 4A, MPN 4A4A44AM) is a potable water dual check backflow preventer. It features a 3/4-inch pipe size with FNPT x FNPT connections and a 23 gpm flow rate, utilizing EPDM seals.

Frequently Asked Questions

What is the APOLLO Dual Check Valve with Atmospheric Vent used for?

The APOLLO Dual Check Valve with Atmospheric Vent (Model 4A) is used to prevent backflow of contaminated water into potable water supplies. It is installed in residential, commercial, and industrial plumbing systems to protect drinking water from cross-connection hazards.

What are the specifications of the APOLLO 4A4A44AM dual check valve?

The APOLLO 4A4A44AM dual check valve has a 3/4-inch pipe size with FNPT x FNPT connections, a 23 gpm flow rate, and EPDM seals. It is a potable water dual check backflow preventer designed for reliable backflow protection in water lines.

Where to buy the APOLLO 4A dual check valve worldwide?

3G Electric supplies the APOLLO 4A dual check valve worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this valve for your project.

How to install the APOLLO dual check valve with atmospheric vent?

Install the APOLLO dual check valve in a horizontal or vertical position with the flow arrow pointing downstream. Ensure the atmospheric vent is unobstructed and above grade. Use pipe thread sealant on FNPT connections and test per local codes after installation.

Used in

Common applications for APOLLO
Water supply systems — APOLLO double check valve backflow preventers (Series 4A) for backflow protection in commercial buildings.
HVAC piping — APOLLO bronze ball valves (two-piece, FNPT) for shut-off and isolation in heating and cooling loops.
Irrigation networks — APOLLO double check valve assemblies (bronze, FNPT) to prevent contamination of potable water sources.
Process piping — APOLLO three-piece ball valves (full-port, sweat connections) for maintenance-friendly flow control in industrial lines.
Safety systems — APOLLO spring-return lever ball valves (bronze, FNPT) for fail-safe shut-off in fuel or gas applications.
Plumbing repairs — APOLLO repair kits (complete check kits) for servicing backflow preventers in existing installations.

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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Cross-referenced by specification & description
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APOLLO Double Check Valve Backflow Assembly: 4A, 3/4 in Pipe Size, FNPT x FNPT, 12.63 in Overall Lg (MPN 4A104A2F)
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APOLLO Double Check Valve Backflow Assembly: 4A, 3/4 in Pipe Size, FNPT x FNPT, 12.63 in Overall Lg (MPN 4A104A2F)
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APOLLO Double Check Valve Assembly: 4A, 2 in Pipe Size, FNPT x FNPT, 20.13 in Overall Lg, Bronze, 4A (MPN 4ALF108A2F)
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APOLLO Double Check Valve Backflow Assembly: 4A, 1 1/2 in Pipe Size, FNPT x FNPT, 18 in Overall Lg (MPN 4A107A2F)

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