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APOLLO Reduced Pressure Zone Backflow Preventer: 4A, Std Configuration, Bronze - Apollo RPZ Backflow Preventers
APOLLOApollo RPZ Backflow Preventers

APOLLO Reduced Pressure Zone Backflow Preventer: 4A, Std Configuration, Bronze

The APOLLO Reduced Pressure Zone Backflow Preventer: 4A is a bronze RPZ backflow preventer with a 1/2 in pipe size and FNPT connections. It features a ball valve shut-off type and is identified by manufacturer part…

SKU 3G-OTH-449977

Brand
APOLLO
Item
Reduced Pressure Zone Backflow Preventer: 4A, Std Configuration, Bronze
Category
Apollo RPZ Backflow Preventers
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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
4ALF203A2F
Type
Std Configuration, Bronze
Pipe Size
1/2 in
Connection Type
FNPT
Shut-Off Valve Type
Ball Valve

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

Product Description

The APOLLO Reduced Pressure Zone Backflow Preventer: 4A is a bronze RPZ backflow preventer with a 1/2 in pipe size and FNPT connections. It features a ball valve shut-off type and is identified by manufacturer part number 4ALF203A2F.

Frequently Asked Questions

What is the APOLLO Reduced Pressure Zone Backflow Preventer 4A used for?

The APOLLO 4A RPZ backflow preventer protects potable water supplies from cross-connection contamination in commercial and industrial plumbing systems. It is suitable for continuous-pressure applications where back-siphonage or back-pressure hazards exist, such as boiler feed lines, irrigation systems, and process water lines.

What are the specifications of the APOLLO 4ALF203A2F backflow preventer?

The APOLLO 4ALF203A2F is a bronze reduced pressure zone backflow preventer with a 1/2 in pipe size and FNPT connections. It features a ball valve shut-off type and is configured as a standard bronze model. This unit is designed for reliable backflow prevention in potable water systems.

Where to buy the APOLLO 4A RPZ backflow preventer worldwide?

3G Electric supplies the APOLLO 4A RPZ backflow preventer to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for a quote on the APOLLO 4ALF203A2F or other backflow prevention equipment.

How to install an APOLLO reduced pressure zone backflow preventer?

Install the APOLLO RPZ backflow preventer in a horizontal or vertical position with the flow arrow pointing downstream. Ensure adequate clearance for testing and maintenance. Use thread sealant on FNPT connections and support the valve body to avoid stress. 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 rpz 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 Principle Backflow Assembly 1-1/4": 4A, Std Configuration, Bronze, 1 1/4 in Pipe Size (MPN 4A206A2F)
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APOLLO Principle Backflow Assembly 1": 4A, Std Configuration, Bronze, 1 in Pipe Size, FNPSM x FNPT (MPN 4A205A2F)
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APOLLO Principle Backflow Assembly 1": 4A, Std Configuration, Bronze, 1 in Pipe Size, FNPSM x FNPT (MPN 4A205A2F)
APOLLO Principle Backflow Assembly 2": 4A, Std Configuration, Bronze, 2 in Pipe Size, FNPSM x FNPT (MPN 4A208A2F)
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APOLLO Principle Backflow Assembly 2": 4A, Std Configuration, Bronze, 2 in Pipe Size, FNPSM x FNPT (MPN 4A208A2F)
APOLLO Double Check Valve Assembly: 4A, 1 in Pipe Size, FNPT x FNPT, 14.63 in Overall Lg, Bronze, 4A (MPN 4ALF105A2F)
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APOLLO Double Check Valve Assembly: 4A, 1 in Pipe Size, FNPT x FNPT, 14.63 in Overall Lg, Bronze, 4A (MPN 4ALF105A2F)

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