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NICHOLSON VB0500 Atmospheric Vacuum Breaker, Brass, 1/2 in MNPT for Steam Media - Atmospheric Vacuum Breakers
NICHOLSONAtmospheric Vacuum Breakers

NICHOLSON VB0500 Atmospheric Vacuum Breaker, Brass, 1/2 in MNPT for Steam Media

The NICHOLSON Atmospheric Vacuum Breaker (MPN VB0500) is a brass-bodied unit for steam media with a 1/2 in MNPT pipe size. 3G Electric interprets your demand for this specific OEM part, sources it across our global…

SKU 3G-OTH-597031

Also listed as: VB 0500 · VB-0500

Brand
NICHOLSON
Item
VB0500 Atmospheric Vacuum Breaker, Brass, 1/2 in MNPT for Steam Media
Category
Atmospheric Vacuum Breakers
Available to Order
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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

NICHOLSON
Manufacturer Part Number
VB0500
Type
For Steam Media, Brass
Pipe Size
1/2 in
Steam Service
MNPT

Technical Documents

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

Product Description

The NICHOLSON Atmospheric Vacuum Breaker (MPN VB0500) is a brass-bodied unit for steam media with a 1/2 in MNPT pipe size. 3G Electric interprets your demand for this specific OEM part, sources it across our global network, and provides a firm quote with dedicated support — backed by specialist depth in combustion, pumps, and controls, and the breadth to supply across 14 industrial departments and far more.

Frequently Asked Questions

What is a NICHOLSON Atmospheric Vacuum Breaker used for?

A NICHOLSON Atmospheric Vacuum Breaker prevents back-siphonage in steam systems by admitting air when pressure drops. It protects piping and equipment from vacuum collapse. 3G Electric supplies this brass VB0500 unit for steam media with 1/2 in MNPT connections across industrial departments.

What are the specifications of the NICHOLSON VB0500?

The NICHOLSON VB0500 is a brass atmospheric vacuum breaker for steam media. It has a 1/2 in pipe size with MNPT steam service connections. The manufacturer part number is VB0500. 3G Electric sources this OEM part globally and provides a firm quote with dedicated support.

Where to buy a NICHOLSON Atmospheric Vacuum Breaker worldwide?

3G Electric supplies the NICHOLSON Atmospheric Vacuum Breaker VB0500 worldwide. We interpret your demand, source the part across our global network, and handle logistics, customs, and delivery. Contact us for a firm quote and dedicated support for your steam system needs.

How to install a NICHOLSON Atmospheric Vacuum Breaker?

Install the NICHOLSON VB0500 vertically above the highest point of the protected system with the 1/2 in MNPT connection. Ensure no shutoff valve downstream. Follow standard steam piping practices. 3G Electric provides sourcing support but recommends consulting a licensed technician for installation.

Used in

Common applications for NICHOLSON
Industrial steam condensate removal — Nicholson FTN series C-pattern steam traps in process heating systems
Commercial building radiator control — Nicholson N25-FO radiator valves for hot water and steam heating
High-pressure steam line drainage — Nicholson NFT 250 series in-line traps for 250 psi applications
Space-constrained piping layouts — Nicholson H-pattern steam traps for tight installations in manufacturing plants
Corrosive environment steam trapping — Nicholson stainless steel float traps for chemical processing facilities
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NICHOLSON Products

3G Electric supplies NICHOLSON 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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Compatible alternatives & equivalents

Cross-referenced by specification & description
This vacuum release valve is constructed of cast iron with a 3-inch FNPT/NPT inlet connection. It is designed to exhaust large volumes of air during pipeline filling and admit air during draining or vacuum conditions, protecting water systems from vacuum collapse. Typical applications include clean water systems in municipal, wastewater, and industrial settings
VAL-MATIC
This vacuum release valve is constructed of cast iron with a 3-inch FNPT/NPT inlet connection. It is designed to exhaust large volumes of air during pipeline filling and admit air during draining or vacuum conditions, protecting water systems from vacuum collapse. Typical applications include clean water systems in municipal, wastewater, and industrial settings
This 3-way ball valve features a brass body and stainless steel ball, designed for steam media. It has a 1/2 in Female NPT connection with a main CV flow of 7.4 and a bypass CV flow of 4.7. Supplied without an actuator, it is used in HVAC systems to modulate flow between ports
HVAC
This 3-way ball valve features a brass body and stainless steel ball, designed for steam media. It has a 1/2 in Female NPT connection with a main CV flow of 7.4 and a bypass CV flow of 4.7. Supplied without an actuator, it is used in HVAC systems to modulate flow between ports
Cast iron vacuum release valve with 2-inch FNPT/NPT inlet connection. Designed to exhaust large volumes of air during pipeline filling and admit air during draining to prevent vacuum conditions in clean water systems
VAL-MATIC
Cast iron vacuum release valve with 2-inch FNPT/NPT inlet connection. Designed to exhaust large volumes of air during pipeline filling and admit air during draining to prevent vacuum conditions in clean water systems
This vacuum release valve is constructed of cast iron with a 1-inch female NPT inlet connection. It is designed to exhaust air during system filling and admit air during draining, preventing vacuum conditions in clean water pipelines. Typical applications include water distribution and industrial process systems where pipeline protection from vacuum collapse is required
VAL-MATIC
This vacuum release valve is constructed of cast iron with a 1-inch female NPT inlet connection. It is designed to exhaust air during system filling and admit air during draining, preventing vacuum conditions in clean water pipelines. Typical applications include water distribution and industrial process systems where pipeline protection from vacuum collapse is required
This 3-way ball valve features a brass body and stainless steel ball, with 1/2 in female NPT connections. Designed for steam media, it has a CV flow of 2.9 and a bypass CV flow of 1.9. The valve is supplied without an actuator and is suitable for mixing or diverting applications in hydronic systems
HVAC
This 3-way ball valve features a brass body and stainless steel ball, with 1/2 in female NPT connections. Designed for steam media, it has a CV flow of 2.9 and a bypass CV flow of 1.9. The valve is supplied without an actuator and is suitable for mixing or diverting applications in hydronic systems
This 2-way ball valve is designed for water media in hydronic HVAC systems. It features a stainless steel ball and brass body with a 3/4 in Female NPT connection. The valve has a CV flow of 6.3 and a close-off rating of 200 psi. It is supplied without an actuator for field installation
HVAC
This 2-way ball valve is designed for water media in hydronic HVAC systems. It features a stainless steel ball and brass body with a 3/4 in Female NPT connection. The valve has a CV flow of 6.3 and a close-off rating of 200 psi. It is supplied without an actuator for field installation

More from NICHOLSON

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Atmospheric vacuum breaker with 3/4 in MNPT connection for steam service. Rated for steam media up to 350°F. Used to prevent back-siphonage in steam piping systems by admitting air when pressure drops
NICHOLSON
Atmospheric vacuum breaker with 3/4 in MNPT connection for steam service. Rated for steam media up to 350°F. Used to prevent back-siphonage in steam piping systems by admitting air when pressure drops
This atmospheric vacuum breaker is designed for steam media service up to 350°F. It features a 1/2 in male NPT connection and prevents back-siphonage by admitting air when system pressure drops. Suitable for protecting piping and equipment in steam systems
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This atmospheric vacuum breaker is designed for steam media service up to 350°F. It features a 1/2 in male NPT connection and prevents back-siphonage by admitting air when system pressure drops. Suitable for protecting piping and equipment in steam systems
Brass-bodied atmospheric vacuum breaker designed for steam media. Features a 3/4 in pipe size with MNPT steam service connection. Prevents back-siphonage by admitting air when pressure drops, protecting piping and equipment from vacuum collapse in steam systems
NICHOLSON
Brass-bodied atmospheric vacuum breaker designed for steam media. Features a 3/4 in pipe size with MNPT steam service connection. Prevents back-siphonage by admitting air when pressure drops, protecting piping and equipment from vacuum collapse in steam systems