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VAL-MATIC Silent Check Valve: Double Disc, Inline Valve Body, 4 in Pipe Size - Ductile Iron Globe-Body Disc Check Valves
VAL-MATICDuctile Iron Globe-Body Disc Check Valves

VAL-MATIC Silent Check Valve: Double Disc, Inline Valve Body, 4 in Pipe Size

SKU 3G-OTH-438197

Brand
VAL-MATIC
Item
Silent Check Valve: Double Disc, Inline Valve Body, 4 in Pipe Size
Category
Ductile Iron Globe-Body Disc Check Valves
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Technical Specifications

VAL-MATIC
Manufacturer Part Number
1804A-DSY
Type
Inline Valve Body, Class 125 Flange
Pipe Size
4 in
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VAL-MATIC Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is a VAL-MATIC Silent Check Valve used for?

A VAL-MATIC Silent Check Valve prevents reverse flow in piping systems, protecting pumps and equipment from water hammer. It is commonly used in water and wastewater, HVAC, and industrial process applications where reliable backflow prevention is critical.

What are the specifications of the VAL-MATIC 1804A-DSY Silent Check Valve?

The VAL-MATIC 1804A-DSY is a double disc silent check valve with a ductile iron globe-body, inline valve body, and Class 125 flange. It has a 4 in pipe size and is designed for low-pressure loss and quiet operation in horizontal or vertical installations.

Where to buy a VAL-MATIC Silent Check Valve worldwide?

3G Electric supplies the VAL-MATIC 1804A-DSY Silent Check Valve 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 valve.

How to install a VAL-MATIC Silent Check Valve?

Install the VAL-MATIC Silent Check Valve in the pipeline with flow direction matching the arrow on the body. Use proper gaskets and tighten flange bolts evenly to avoid distortion. Ensure the valve is accessible for inspection and maintenance per manufacturer guidelines.

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 ductile iron globe-body disc check valves. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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