Send a part number, a photo, or a whole BOM — we supply it and stand behind it. EXW Singapore — collect from our office.

3G Electric
APOLLO 4A205A2F 1 in Bronze RPZ Backflow Preventer - Apollo RPZ Backflow Preventers
APOLLOApollo RPZ Backflow Preventers

APOLLO 4A205A2F 1 in Bronze RPZ Backflow Preventer

The APOLLO Principle Backflow Assembly 1": 4A is a bronze Apollo RPZ Backflow Preventer with a 1-inch pipe size. It features FNPSM x FNPT connections and a ball valve shut-off valve type, identified by manufacturer…

SKU 3G-OTH-449980

Brand
APOLLO
Item
4A205A2F 1 in Bronze RPZ Backflow Preventer
Part Number
4A205A2F
Category
Apollo RPZ Backflow Preventers
Available to Order
Also known as:4A205A2FAPOLLO
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 — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

APOLLO
Manufacturer Part Number
4A205A2F
Type
Std Configuration, Bronze, FNPSM x FNPT
Pipe Size
1 in
Connection Type
FNPSM x 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 Principle Backflow Assembly 1": 4A is a bronze Apollo RPZ Backflow Preventer with a 1-inch pipe size. It features FNPSM x FNPT connections and a ball valve shut-off valve type, identified by manufacturer part number 4A205A2F.

Frequently Asked Questions

What is the APOLLO Principle Backflow Assembly 1": 4A used for?

The APOLLO Principle Backflow Assembly 1": 4A (MPN 4A205A2F) is an RPZ backflow preventer used in commercial and industrial water systems to prevent reverse flow of contaminated water into the potable supply. It is typically installed on cross-connections in irrigation, fire protection, and process water lines.

What are the specifications of the APOLLO 4A205A2F backflow preventer?

The APOLLO 4A205A2F is a 1-inch bronze RPZ backflow preventer with FNPSM x FNPT connections and a ball valve shut-off valve type. It is part of the Principle 4A series, designed for reduced pressure zone protection in water supply systems.

Where to buy the APOLLO 4A205A2F backflow preventer worldwide?

3G Electric supplies the APOLLO 4A205A2F backflow preventer 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.

How to install the APOLLO Principle Backflow Assembly 1": 4A?

Install the APOLLO 4A205A2F in a horizontal or vertical orientation with adequate clearance for testing and maintenance. Ensure flow direction matches the arrow on the body. Use approved thread sealant on FNPSM x FNPT connections. Always follow local plumbing codes and manufacturer guidelines.

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