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PLAST-O-MATIC VBS300VT-PV Atmospheric Vacuum Breaker - Atmospheric Vacuum Breakers
PLAST-O-MATICAtmospheric Vacuum Breakers

PLAST-O-MATIC VBS300VT-PV Atmospheric Vacuum Breaker

The PLAST-O-MATIC VBS300VT-PV is an FNPT atmospheric vacuum breaker with a 3 in pipe size, constructed from unfinished PVC and rated for 36°F – 140°F for back-siphonage applications.

SKU 3G-OTH-597089

Also listed as: VBS300VTPV · VBS300VT PV

Brand
PLAST-O-MATIC
Item
VBS300VT-PV Atmospheric Vacuum Breaker
Part Number
VBS300VT-PV
Category
Atmospheric Vacuum Breakers
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Technical Specifications

PLAST-O-MATIC
Manufacturer Part Number
VBS300VT-PV
Type
Unfinished, PVC, 36°F – 140°F, Back-Siphonage
Pipe Size
3 in

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PLAST-O-MATIC Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The PLAST-O-MATIC VBS300VT-PV is an FNPT atmospheric vacuum breaker with a 3 in pipe size, constructed from unfinished PVC and rated for 36°F – 140°F for back-siphonage applications.

Frequently Asked Questions

What is a PLAST-O-MATIC VBS300VT-PV vacuum breaker used for?

The PLAST-O-MATIC VBS300VT-PV is an atmospheric vacuum breaker used to prevent back-siphonage in industrial piping systems. It is installed on water lines to protect potable water supplies from contamination, commonly in chemical processing, water treatment, and irrigation applications where PVC piping is specified.

What are the specifications of the PLAST-O-MATIC VBS300VT-PV?

The PLAST-O-MATIC VBS300VT-PV has a 3 in FNPT connection, is made of unfinished PVC, and operates in a temperature range of 36°F – 140°F. It is designed for back-siphonage prevention and is not rated for continuous pressure. The manufacturer part number is VBS300VT-PV.

Where to buy a PLAST-O-MATIC VBS300VT-PV vacuum breaker worldwide?

3G Electric supplies the PLAST-O-MATIC VBS300VT-PV vacuum breaker 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 and lead time on this PVC back-siphonage device.

How to install a PLAST-O-MATIC VBS300VT-PV vacuum breaker?

Install the PLAST-O-MATIC VBS300VT-PV vertically above the highest downstream outlet, with the FNPT connections properly sealed using PTFE tape. Ensure the vent opens freely and the device is not subjected to continuous pressure. Follow local plumbing codes and the manufacturer's instructions for back-siphonage prevention.

Used in

Common applications for PLAST-O-MATIC
Chemical processing — PLAST-O-MATIC RVT150V-PV PVC pressure relief valve with FKM seals for overpressure protection on corrosive liquid lines.
Semiconductor wet bench — PLAST-O-MATIC RVDTM100T-PV PTFE antisiphon relief valve for ultra-pure chemical delivery systems.
Water treatment — PLAST-O-MATIC GGS series gauge guards with PTFE diaphragm to isolate pressure gauges from scaling and corrosive additives.
Plating and surface finishing — PLAST-O-MATIC gauge guards with Viton diaphragm and PVC body for acid and caustic bath monitoring.
Pharmaceutical fluid handling — PLAST-O-MATIC PTFE-bodied valves for high-purity liquid transfer where metal contamination is prohibited.
Laboratory and pilot plants — PLAST-O-MATIC adjustable back pressure relief valves in 1 inch to 3 inch sizes for small-scale corrosive fluid systems.
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PLAST-O-MATIC Products

3G Electric supplies PLAST-O-MATIC 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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This atmospheric vacuum breaker is constructed from unfinished PVC with a 1/2 in FNPT connection. It is designed to prevent back-siphonage in water systems within a temperature range of 36°F to 140°F. Typical applications include plumbing systems where protection against backflow is required
PLAST-O-MATIC
This atmospheric vacuum breaker is constructed from unfinished PVC with a 1/2 in FNPT connection. It is designed to prevent back-siphonage in water systems within a temperature range of 36°F to 140°F. Typical applications include plumbing systems where protection against backflow is required

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