EXW Singapore — collect or forward from our Singapore office.

3G Electric
APOLLO 4ALF205A2F Reduced Pressure Zone Backflow Preventer - Apollo RPZ Backflow Preventers
APOLLOApollo RPZ Backflow Preventers

APOLLO 4ALF205A2F Reduced Pressure Zone Backflow Preventer

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

SKU 3G-OTH-449981

Brand
APOLLO
Item
4ALF205A2F Reduced Pressure Zone Backflow Preventer
Part Number
4ALF205A2F
Category
Apollo RPZ Backflow Preventers
Available to Order
Also known as:4ALF205A2FAPOLLO
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
EXW Singapore
Collect or forward from our office
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

APOLLO
Manufacturer Part Number
4ALF205A2F
Type
Std Configuration, Bronze, FNPT
Pipe Size
1 in
Connection Type
FNPT
Shut-Off Valve Type
Ball Valve

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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-inch pipe size and FNPT connections. It features a ball valve shut-off type and is identified by manufacturer part number 4ALF205A2F.

Frequently Asked Questions

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

The APOLLO 4A Reduced Pressure Zone Backflow Preventer is used to protect potable water supplies from cross-connection contamination in commercial and industrial plumbing systems. It prevents backflow from non-potable sources, ensuring water safety in applications such as irrigation, fire suppression, and process water lines.

What are the specifications of the APOLLO 4ALF205A2F backflow preventer?

The APOLLO 4ALF205A2F is a bronze RPZ backflow preventer with a 1 in pipe size and FNPT connections. It features a ball valve shut-off type and is configured as a standard bronze model. The manufacturer part number is 4ALF205A2F, and it is designed for reduced pressure zone applications.

Where to buy the APOLLO 4A backflow preventer worldwide?

3G Electric supplies the APOLLO 4A Reduced Pressure Zone Backflow Preventer worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this APOLLO backflow preventer for your project.

How to install the APOLLO RPZ backflow preventer?

Install the APOLLO RPZ backflow preventer in a horizontal position with the relief valve facing downward. Ensure adequate clearance for testing and maintenance. Use thread sealant on FNPT connections and follow local plumbing codes. Always test the device after installation to verify proper operation.

Used in

Common applications for APOLLO
HVAC systems — Apollo bronze ball valves with FNPT connections for isolation of chilled and hot water lines.
Natural gas distribution — Apollo UL-listed bronze ball valves rated for gas service and 600 psi CWP.
Industrial process piping — Apollo stainless steel ball valves with spring-return handles for fail-safe shutoff.
Plumbing and potable water — Apollo brass ball valves with sweat connections for copper tubing installations.
Steam service — Apollo bronze ball valves with MPTFE seals and high-temperature ratings.
Backflow prevention — Apollo bronze ball check valves with RPTFE balls for inline flow control.
Not sure this is the right part? Photo-identify it→

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from APOLLO

View all APOLLO parts →

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first