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APOLLO Vacuum Breaker: FNPT x FNPT, 1/2 in Pipe Size, Rough Brass, For Water Media - Atmospheric Vacuum Breakers
APOLLOAtmospheric Vacuum Breakers

APOLLO Vacuum Breaker: FNPT x FNPT, 1/2 in Pipe Size, Rough Brass, For Water Media

The APOLLO Vacuum Breaker (MPN 3820301) is an atmospheric vacuum breaker with 1/2 in FNPT x FNPT connections, constructed from rough brass for water media. This brass, female-threaded device is designed to prevent…

SKU 3G-OTH-597087

Brand
APOLLO
Item
Vacuum Breaker: FNPT x FNPT, 1/2 in Pipe Size, Rough Brass, For Water Media
Category
Atmospheric Vacuum Breakers
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Technical Specifications

APOLLO
Manufacturer Part Number
3820301
Type
Rough Brass, For Water Media, Brass, Female
Pipe Size
1/2 in
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APOLLO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The APOLLO Vacuum Breaker (MPN 3820301) is an atmospheric vacuum breaker with 1/2 in FNPT x FNPT connections, constructed from rough brass for water media. This brass, female-threaded device is designed to prevent back-siphonage in water systems.

Frequently Asked Questions

What is an APOLLO vacuum breaker used for?

An APOLLO vacuum breaker prevents back-siphonage in water systems by admitting air when pressure drops, protecting potable water from contamination. It is commonly installed on irrigation, boiler feed, and industrial process lines where cross-connection risk exists.

What are the specifications of the APOLLO 3820301 vacuum breaker?

The APOLLO 3820301 is a 1/2 in FNPT x FNPT atmospheric vacuum breaker made of rough brass for water media. It has female threaded connections and is designed to prevent back-siphonage. 3G Electric supplies this genuine APOLLO part globally.

Where to buy APOLLO vacuum breaker 3820301 worldwide?

3G Electric supplies the APOLLO 3820301 vacuum breaker to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this genuine APOLLO part.

How to install an APOLLO atmospheric vacuum breaker?

Install the APOLLO vacuum breaker vertically at least 6 inches above the highest downstream outlet. Use PTFE tape on the 1/2 in FNPT threads and ensure no shutoff valve is placed downstream. Test annually for proper air-inlet operation.

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 atmospheric vacuum breakers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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