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APOLLO Double Check Valve Backflow Assembly: 4A, 1/2 in Pipe Size, FNPT x FNPT - Apollo Double Check Backflow Preventers
APOLLOApollo Double Check Backflow Preventers

APOLLO Double Check Valve Backflow Assembly: 4A, 1/2 in Pipe Size, FNPT x FNPT

The APOLLO Double Check Valve Backflow Assembly: 4A is a backflow preventer from Apollo, featuring a 1/2 in pipe size with FNPT x FNPT connections and a ball valve shut-off type. This assembly, identified by…

SKU 3G-OTH-431822

Brand
APOLLO
Item
Double Check Valve Backflow Assembly: 4A, 1/2 in Pipe Size, FNPT x FNPT
Category
Apollo Double Check Backflow Preventers
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Technical Specifications

APOLLO
Manufacturer Part Number
4A103A2F
Type
FNPT x FNPT
Overall Lg
10.88 in
Pipe Size
1/2 in
Connection Type
FNPT x FNPT
Shut-Off Valve Type
Ball Valve
View Full Spec Sheet

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

Product Description

The APOLLO Double Check Valve Backflow Assembly: 4A is a backflow preventer from Apollo, featuring a 1/2 in pipe size with FNPT x FNPT connections and a ball valve shut-off type. This assembly, identified by manufacturer part number 4A103A2F, has an overall length of 10.88 inches.

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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