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APOLLO Dual Check Valve: 4N, 1 in Pipe Size, Female Meter Swivel x FNPT, 28 gpm Flow Rate - Potable Water Dual Check Backflow Preventers
APOLLOPotable Water Dual Check Backflow Preventers

APOLLO Dual Check Valve: 4N, 1 in Pipe Size, Female Meter Swivel x FNPT, 28 gpm Flow Rate

The APOLLO Dual Check Valve: 4N is a potable water dual check backflow preventer with a 1 in pipe size, Female Meter Swivel x FNPT connections, and a 28 gpm flow rate. This bronze valve is designed for backflow…

SKU 3G-OTH-437196

Brand
APOLLO
Item
Dual Check Valve: 4N, 1 in Pipe Size, Female Meter Swivel x FNPT, 28 gpm Flow Rate
Category
Potable Water Dual Check Backflow Preventers
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Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

APOLLO
Manufacturer Part Number
4NLF3S65A
Type
Female Meter Swivel x FNPT, Bronze
Pipe Size
1 in
Flow Rate
28 gpm
Connection Type
Female Meter Swivel x FNPT

Technical Documents

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

Product Description

The APOLLO Dual Check Valve: 4N is a potable water dual check backflow preventer with a 1 in pipe size, Female Meter Swivel x FNPT connections, and a 28 gpm flow rate. This bronze valve is designed for backflow prevention in water supply systems.

Frequently Asked Questions

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

The APOLLO Dual Check Valve 4N is a potable water dual check backflow preventer used to stop reverse flow in water supply systems. It is installed on residential or commercial water meters to protect drinking water from contamination. The bronze body and 28 gpm flow rate suit standard 1-inch service lines.

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

The APOLLO Dual Check Valve 4N has a 1-inch pipe size, Female Meter Swivel x FNPT connections, and a 28 gpm flow rate. It is made of bronze and carries MPN 4NLF3S65A. This potable water backflow preventer is designed for meter installations and meets industry standards for dual check protection.

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

3G Electric supplies the APOLLO Dual Check Valve 4N worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this bronze backflow preventer for potable water systems.

How to install the APOLLO Dual Check Valve 4N?

Install the APOLLO Dual Check Valve 4N in the water supply line after the meter, with flow direction matching the arrow on the body. Use pipe thread sealant on the Female Meter Swivel and FNPT connections. Ensure the valve is accessible for testing and maintenance. Follow local plumbing codes for backflow preventer 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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APOLLO Double Check Valve Assembly: 4A, 3/4 in Pipe Size, FNPT x FNPT, 12.63 in Overall Lg, Bronze (MPN 4ALF104A2F)
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APOLLO Double Check Valve Assembly: 4A, 1 1/4 in Pipe Size, FNPT x FNPT, 17.5 in Overall Lg, Bronze (MPN 4ALF106A2F)

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