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SPENCE Atmospheric Vacuum Breaker, Steam Service: MNPT, 1/8 in Pipe Size, For Steam Media - Atmospheric Vacuum Breakers
SPENCEAtmospheric Vacuum Breakers

SPENCE Atmospheric Vacuum Breaker, Steam Service: MNPT, 1/8 in Pipe Size, For Steam Media

The SPENCE Atmospheric Vacuum Breaker (MPN VB0125-SS) is a 1/8 in pipe size, MNPT steam service device rated for steam media up to 350°F. 3G Electric interprets this demand and delivers the genuine OEM part, backed…

SKU 3G-OTH-597070

Brand
SPENCE
Item
Atmospheric Vacuum Breaker, Steam Service: MNPT, 1/8 in Pipe Size, For Steam Media
Category
Atmospheric Vacuum Breakers
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Technical Specifications

SPENCE
Manufacturer Part Number
VB0125-SS
Type
For Steam Media, 350°F
Pipe Size
1/8 in
Steam Service
MNPT
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SPENCE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SPENCE Atmospheric Vacuum Breaker (MPN VB0125-SS) is a 1/8 in pipe size, MNPT steam service device rated for steam media up to 350°F. 3G Electric interprets this demand and delivers the genuine OEM part, backed by specialist expertise in controls across 14 industrial departments — and we supply far more than is listed.

Frequently Asked Questions

What is a SPENCE atmospheric vacuum breaker used for?

A SPENCE atmospheric vacuum breaker prevents back-siphonage in steam systems by admitting air when pressure drops. The VB0125-SS model is designed for steam media up to 350°F with 1/8 in MNPT connections, protecting equipment from vacuum damage in industrial piping.

What are the specifications of the SPENCE VB0125-SS?

The SPENCE VB0125-SS is a 1/8 in pipe size, MNPT steam service atmospheric vacuum breaker rated for steam media up to 350°F. It is manufactured by SPENCE under part number VB0125-SS and is suitable for steam system vacuum protection applications.

Where to buy a SPENCE atmospheric vacuum breaker worldwide?

3G Electric supplies the genuine SPENCE VB0125-SS atmospheric vacuum breaker to worldwide customers. We handle full logistics, customs clearance, and delivery for global orders, leveraging our specialist expertise in controls across 14 industrial departments to ensure you get the right part.

How to install a SPENCE atmospheric vacuum breaker?

Install the SPENCE VB0125-SS in a vertical position on the steam line, with the vent facing downward. Use thread sealant on the 1/8 in MNPT connection and ensure the device is accessible for inspection. Follow standard steam system practices for vacuum breaker placement to prevent back-siphonage.

Used in

Common applications for SPENCE
Steam condensate removal in industrial process heating — SPENCE inverted-bucket steam traps (e.g., 85-CPG9)
Pressure reduction for steam distribution in commercial buildings — SPENCE D50A pressure regulators
Modulating control of steam flow in heat exchangers — SPENCE pneumatic globe control valves (e.g., K1TC811-36RA)
Air venting from steam mains and headers — SPENCE NAV-213 air vents
Condensate drainage in low-pressure steam heating systems — SPENCE 81S-C1E9 steam traps with strainer

SPENCE Products

3G Electric supplies SPENCE 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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SPENCE Atmospheric Vacuum Breaker, Steam Service: MNPT, 1/8 in Pipe Size, For Steam Media, Brass (MPN VB0125). Key specifications — attr1058597: SPENCE; attr1096789: No.
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