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APOLLO Double Check Valve Assembly: 4A, 1 in Pipe Size, FNPT x FNPT, 14.63 in Overall Lg - Apollo Double Check Backflow Preventers
APOLLOApollo Double Check Backflow Preventers

APOLLO Double Check Valve Assembly: 4A, 1 in Pipe Size, FNPT x FNPT, 14.63 in Overall Lg

The APOLLO Double Check Valve Assembly: 4A is a bronze backflow preventer with a 1-inch pipe size and FNPT x FNPT connections. It features ball valve shut-offs and is identified by manufacturer part number 4ALF105A2F.

SKU 3G-OTH-431825

Brand
APOLLO
Item
Double Check Valve Assembly: 4A, 1 in Pipe Size, FNPT x FNPT, 14.63 in Overall Lg
Category
Apollo Double Check Backflow Preventers
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

APOLLO
Manufacturer Part Number
4ALF105A2F
Type
FNPT x FNPT, Bronze, 4A
Overall Lg
14.63 in
Pipe Size
1 in
Connection Type
FNPT x FNPT
Shut-Off Valve Type
Ball Valve

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

Product Description

The APOLLO Double Check Valve Assembly: 4A is a bronze backflow preventer with a 1-inch pipe size and FNPT x FNPT connections. It features ball valve shut-offs and is identified by manufacturer part number 4ALF105A2F.

Frequently Asked Questions

What is the APOLLO Double Check Valve Assembly 4A used for?

The APOLLO Double Check Valve Assembly 4A is a backflow preventer used in commercial and industrial water systems to stop contaminated water from flowing backward into the potable supply. It is typically installed on non-health-hazard cross-connections, such as irrigation, fire sprinkler, and boiler feed lines.

What are the specifications of the APOLLO 4ALF105A2F double check valve?

The APOLLO 4ALF105A2F double check valve assembly has a 1 in pipe size with FNPT x FNPT connections. It features ball valve shut-offs, a bronze body, and an overall length of 14.63 in. The manufacturer part number is 4ALF105A2F, and it is part of the 4A series.

Where to buy APOLLO double check valve assembly worldwide?

You can source the APOLLO double check valve assembly worldwide through 3G Electric, a global industrial equipment distributor established in 1990. We handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this APOLLO backflow preventer.

How to install an APOLLO double check valve assembly?

Install the APOLLO double check valve assembly in a horizontal or vertical position with flow direction matching the arrow on the body. Ensure the FNPT connections are properly sealed with thread tape. Install shut-off valves upstream and downstream for testing and maintenance. Always follow local plumbing codes and manufacturer guidelines.

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 apollo double 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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Compatible alternatives & equivalents

Cross-referenced by specification & description
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 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 1/4 in Pipe Size, FNPT x FNPT, 17.5 in Overall Lg (MPN 4A106A2F)
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APOLLO Dual Check Valve: 4N, 3/8 in Pipe Size, FNPT x FNPT, 12.5 gpm Flow Rate, 3.32 in Overall Lg (MPN 4NLF3A22A)

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