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

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

The APOLLO Double Check Valve Backflow Assembly 1": 4A is a 1-inch pipe size backflow preventer from Apollo Double Check Backflow Preventers. It features FNPT x FNPT connections and a ball valve shut-off type, with…

SKU 3G-OTH-431826

Brand
APOLLO
Item
Double Check Valve Backflow Assembly 1": 4A, 1 in Pipe Size, FNPT x FNPT
Category
Apollo Double Check Backflow Preventers
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

APOLLO
Manufacturer Part Number
4A105A2F
Type
FNPT x FNPT
Overall Lg
14.63 in
Pipe Size
1 in
Connection Type
FNPT x FNPT
Shut-Off Valve Type
Ball Valve

Technical Documents

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

Product Description

The APOLLO Double Check Valve Backflow Assembly 1": 4A is a 1-inch pipe size backflow preventer from Apollo Double Check Backflow Preventers. It features FNPT x FNPT connections and a ball valve shut-off type, with an overall length of 14.63 inches (MPN 4A105A2F).

Frequently Asked Questions

What is the APOLLO Double Check Valve Backflow Assembly 1": 4A used for?

The APOLLO Double Check Valve Backflow Assembly 1": 4A (MPN 4A105A2F) prevents backflow of contaminated water into potable water supplies. It is used in commercial and industrial plumbing systems, irrigation, and fire protection lines where non-health-hazard cross-connections exist.

What are the specifications of the APOLLO Double Check Valve Backflow Assembly 1": 4A?

This APOLLO backflow preventer has a 1-inch pipe size with FNPT x FNPT connections and a ball valve shut-off type. Its overall length is 14.63 inches. The manufacturer part number is 4A105A2F, and it is part of the Apollo Double Check Backflow Preventers series.

Where to buy the APOLLO Double Check Valve Backflow Assembly 1": 4A worldwide?

3G Electric supplies the APOLLO Double Check Valve Backflow Assembly 1": 4A (4A105A2F) 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 Double Check Valve Backflow Assembly 1": 4A?

Install the APOLLO backflow preventer in a horizontal or vertical position with flow arrow pointing downstream. Use thread sealant on FNPT connections and ensure ball valves are fully open after installation. Always follow local plumbing codes and test the assembly per 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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