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VAL-MATIC Air Vacuum Valve: Clean Water, Cast Iron, 3 in Inlet Connection Size, FNPT - Vacuum Release Valves
VAL-MATICVacuum Release Valves

VAL-MATIC Air Vacuum Valve: Clean Water, Cast Iron, 3 in Inlet Connection Size, FNPT

The VAL-MATIC Air Vacuum Valve for clean water is a cast-iron vacuum release valve with a 3-inch FNPT/NPT inlet connection (MPN 103STK). Designed to exhaust large volumes of air during pipeline filling and admit air…

SKU 3G-OTH-431025

Brand
VAL-MATIC
Item
Air Vacuum Valve: Clean Water, Cast Iron, 3 in Inlet Connection Size, FNPT
Category
Vacuum Release Valves
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Technical Specifications

VAL-MATIC
Manufacturer Part Number
103STK
Type
Cast Iron, FNPT, NPT
Inlet Connection Size
3 in
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VAL-MATIC Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The VAL-MATIC Air Vacuum Valve for clean water is a cast-iron vacuum release valve with a 3-inch FNPT/NPT inlet connection (MPN 103STK). Designed to exhaust large volumes of air during pipeline filling and admit air during draining, it protects water systems from vacuum conditions.

Frequently Asked Questions

What is a VAL-MATIC Air Vacuum Valve used for?

A VAL-MATIC Air Vacuum Valve is used in clean water systems to release large volumes of air during pipeline filling and to admit air during draining or vacuum conditions. It prevents vacuum collapse and protects piping infrastructure in municipal water, wastewater, and industrial applications.

What are the specifications of the VAL-MATIC 103STK Air Vacuum Valve?

The VAL-MATIC 103STK Air Vacuum Valve is a cast iron vacuum release valve with a 3-inch FNPT inlet connection size and NPT threads. It is designed for clean water service and is manufactured by VAL-MATIC under part number 103STK. The valve ensures reliable air release and vacuum protection.

Where to buy a VAL-MATIC Air Vacuum Valve worldwide?

You can source the VAL-MATIC Air Vacuum Valve worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this VAL-MATIC 103STK model.

How to install a VAL-MATIC Air Vacuum Valve?

Install the VAL-MATIC Air Vacuum Valve vertically above the pipeline with the inlet connected to a threaded FNPT fitting. Ensure the valve is oriented upright for proper float operation. Use thread sealant on NPT connections and follow standard piping practices for clean water systems to avoid debris entry.

Used in

Common applications for VAL-MATIC
Municipal water distribution — VAL-MATIC butterfly valves (e.g., 2003-CD4B5N-L1-1) for isolation and flow control in potable water lines.
Wastewater treatment plants — VAL-MATIC plug valves (e.g., 5801RTL) for sludge and effluent handling with abrasion-resistant Buna-N seals.
Industrial process cooling — VAL-MATIC silent check valves (e.g., 1810A-DSY) to prevent backflow and water hammer in pump discharge lines.
Irrigation systems — VAL-MATIC air release/vacuum valves (e.g., 80C03-2GT-C6B6Y) to maintain pipeline integrity and prevent air locks.
Fire protection systems — VAL-MATIC butterfly valves (e.g., 2006-CD4B5N-L2-1) for sectional control in sprinkler risers, rated to 150 psi.

VAL-MATIC Products

3G Electric supplies VAL-MATIC vacuum release valves. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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