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MECLINE Brass Inline Piston Check Valve, 1/2 in, FNPT x FNPT, CV3-40012 - Brass Inline Piston Check Valves
MECLINEBrass Inline Piston Check Valves

MECLINE Brass Inline Piston Check Valve, 1/2 in, FNPT x FNPT, CV3-40012

The MECLINE Check Valve: Piston (MPN CV3-40012) is a brass inline piston check valve with a 1/2 in pipe size and FNPT x FNPT female NPT connections. This inline valve body is designed for straightforward installation…

SKU 3G-OTH-429672

Also listed as: CV340012 · CV3 40012

Brand
MECLINE
Item
Brass Inline Piston Check Valve, 1/2 in, FNPT x FNPT, CV3-40012
Part Number
CV3-40012
Category
Brass Inline Piston Check Valves
Available to Order
Also known as:CV3-40012MECLINE
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Technical Specifications

MECLINE
Manufacturer Part Number
CV3-40012
Type
Inline Valve Body, FNPT x FNPT, Brass, Female, NPT
Pipe Size
1/2 in

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MECLINE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MECLINE Check Valve: Piston (MPN CV3-40012) is a brass inline piston check valve with a 1/2 in pipe size and FNPT x FNPT female NPT connections. This inline valve body is designed for straightforward installation in piping systems to prevent backflow.

Frequently Asked Questions

What is a MECLINE CV3-40012 check valve used for?

The MECLINE CV3-40012 is a brass inline piston check valve used to prevent backflow in piping systems. It is commonly installed in water, air, and light oil lines in industrial, commercial, and irrigation applications where a compact, corrosion-resistant valve is needed.

What are the specifications of the MECLINE CV3-40012 check valve?

The MECLINE CV3-40012 has a 1/2 in pipe size with FNPT x FNPT connections. The valve body is brass with a female NPT thread type. It uses an inline piston design and carries the manufacturer part number CV3-40012.

Where to buy MECLINE CV3-40012 check valves worldwide?

You can source the MECLINE CV3-40012 check valve through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring the valve reaches your facility reliably.

How to install a MECLINE inline piston check valve?

Install the MECLINE CV3-40012 check valve in the correct flow direction indicated on the body. Use thread sealant on the FNPT connections and tighten to standard torque. Ensure the valve is accessible for inspection and that the piping is aligned to avoid stress on the brass body.

Used in

Common applications for MECLINE
Pressure-washer pump circuits — MECLINE VR54-200 unloader valve with 3/8-inch NPT bypass for systems up to 2,900 psi
High-pressure water systems — MECLINE VRT100-330 unloader valve with 1/2-inch NPT bypass rated to 4,800 psi
Pump discharge lines — MECLINE CV3-40012 1/2-inch brass inline piston check valve to prevent backflow
Small-diameter water and air piping — MECLINE CV3-31014 1/4-inch brass inline piston check valve
Light oil lines — MECLINE CV3-40038 3/8-inch brass inline piston check valve for one-directional flow
Industrial spray systems — MECLINE unloader valves to regulate flow and protect pumps from overpressure
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MECLINE Products

3G Electric supplies MECLINE brass inline piston 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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Brass inline piston check valve with 1/4 in pipe size and FNPT x FNPT female NPT connections. Prevents reverse flow in piping systems for water, air, and light oil lines

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