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VAL-MATIC Silent Check Valve: Double Disc, Inline Valve Body, 3 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, 3 in Pipe Size

The VAL-MATIC Silent Check Valve is a ductile iron globe-body disc check valve with an inline valve body, 3 in pipe size, and Class 125 flange. This double-disc design is supplied as manufacturer part number…

SKU 3G-OTH-438196

Also listed as: 1803ADSY · 1803A DSY

Brand
VAL-MATIC
Item
Silent Check Valve: Double Disc, Inline Valve Body, 3 in Pipe Size
Category
Ductile Iron Globe-Body Disc Check Valves
Available to Order
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

VAL-MATIC
Manufacturer Part Number
1803A-DSY
Type
Inline Valve Body, Class 125 Flange
Pipe Size
3 in

Technical Documents

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VAL-MATIC Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The VAL-MATIC Silent Check Valve is a ductile iron globe-body disc check valve with an inline valve body, 3 in pipe size, and Class 125 flange. This double-disc design is supplied as manufacturer part number 1803A-DSY, offering a reliable solution for preventing backflow in industrial piping systems.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

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 required.

What are the specifications of the VAL-MATIC 1803A-DSY check valve?

The VAL-MATIC 1803A-DSY is a ductile iron globe-body disc check valve with a 3-inch pipe size and Class 125 flanged connections. It features a double-disc design for silent operation and is suitable for inline installation in horizontal or vertical pipelines.

Where to buy a VAL-MATIC silent check valve worldwide?

You can source the VAL-MATIC 1803A-DSY check valve through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring your order arrives reliably.

How to install a VAL-MATIC double disc check valve?

Install the VAL-MATIC check valve in the pipeline with flow direction matching the arrow on the body. Ensure flanges are clean and gaskets are properly seated. Tighten bolts evenly to manufacturer torque specs. The valve can be installed horizontally or vertically with upward flow.

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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