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VAL-MATIC Air Release/Air Vacuum Valve: Clean Water, Cast Iron, 4 in Inlet Connection Size - Combination Vacuum & Air Release Valves
VAL-MATICCombination Vacuum & Air Release Valves

VAL-MATIC Air Release/Air Vacuum Valve: Clean Water, Cast Iron, 4 in Inlet Connection Size

SKU 3G-OTH-434437

Brand
VAL-MATIC
Item
Air Release/Air Vacuum Valve: Clean Water, Cast Iron, 4 in Inlet Connection Size
Category
Combination Vacuum & Air Release Valves
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Technical Specifications

VAL-MATIC
Manufacturer Part Number
20C04-6CT-C6B5Y
Type
Cast Iron, FNPT
Inlet Connection Size
4 in
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VAL-MATIC Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is a VAL-MATIC combination air release/air vacuum valve used for?

A VAL-MATIC combination air release/air vacuum valve is used in clean water pipelines to automatically release trapped air during system startup and admit air during draining or vacuum conditions, preventing pressure surges and pipeline collapse in municipal and industrial water systems.

What are the specifications of the VAL-MATIC 20C04-6CT-C6B5Y valve?

The VAL-MATIC 20C04-6CT-C6B5Y is a combination air release/air vacuum valve for clean water. It has a 4 in FNPT inlet connection, a cast iron body, and is designed for reliable air management in water distribution and treatment applications.

Where to buy a VAL-MATIC 20C04-6CT-C6B5Y valve worldwide?

3G Electric supplies the VAL-MATIC 20C04-6CT-C6B5Y combination air release/air vacuum valve to customers worldwide. We handle full logistics, customs clearance, and delivery to your site, ensuring you receive the correct valve for your clean water system.

How to install a VAL-MATIC combination air release/air vacuum valve?

Install the VAL-MATIC valve vertically on a pipeline high point or at system peaks where air accumulates. Use a full-port isolation valve upstream for maintenance. Follow the manufacturer's torque specifications for the FNPT connection and ensure the discharge port is unobstructed.

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 combination vacuum & air 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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