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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
Category
Brass Inline Piston Check Valves
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

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

Technical Documents

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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 washing systems — MECLINE VRT100-330 unloader valve for bypass pressure regulation at up to 4,800 psi
Industrial water supply lines — MECLINE CV3-40012 brass check valve for backflow prevention in 1/2 inch piping
Compressed air networks — MECLINE CV3-31014 check valve for preventing reverse flow in 1/4 inch air lines
High-pressure cleaning equipment — MECLINE VR54-200 unloader valve for pump protection at 2,900 psi
Hydraulic fluid circuits — MECLINE CV3-40038 check valve for directional control in 3/8 inch oil lines
Irrigation systems — MECLINE brass check valves for maintaining line pressure in agricultural water distribution
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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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Compatible alternatives & equivalents

Cross-referenced by specification & description
This brass inline swing check valve features a swing-type operation and an inline valve body with 3/4 in FNPT x FNPT connections. It is used to prevent backflow in plumbing and industrial piping systems, suitable for water, oil, and gas applications where low-pressure drop and reliable reverse flow protection are required
This brass inline swing check valve features a swing-type operation and an inline valve body with 3/4 in FNPT x FNPT connections. It is used to prevent backflow in plumbing and industrial piping systems, suitable for water, oil, and gas applications where low-pressure drop and reliable reverse flow protection are required
This brass inline piston check valve features a spring-loaded piston design for automatic backflow prevention. With 3/8 inch MNPT x MNPT threaded ends, it is suited for water, air, and light oil systems requiring a compact, positive-seal check valve
This brass inline piston check valve features a spring-loaded piston design for automatic backflow prevention. With 3/8 inch MNPT x MNPT threaded ends, it is suited for water, air, and light oil systems requiring a compact, positive-seal check valve
This VAL-MATIC inline swing check valve features a ductile iron body with flange x flange connections for 3-inch piping. It prevents backflow in horizontal or vertical installations, suitable for water and wastewater systems where low head loss is required
VAL-MATIC
This VAL-MATIC inline swing check valve features a ductile iron body with flange x flange connections for 3-inch piping. It prevents backflow in horizontal or vertical installations, suitable for water and wastewater systems where low head loss is required
Brass poppet check valve with inline body and 1/8 in FNPT x FNPT female NPT connections. Designed for unidirectional flow control in pneumatic or low-pressure fluid systems to prevent backflow. Suitable for air lines, instrumentation, and similar applications
PNEUMADYNE INC
Brass poppet check valve with inline body and 1/8 in FNPT x FNPT female NPT connections. Designed for unidirectional flow control in pneumatic or low-pressure fluid systems to prevent backflow. Suitable for air lines, instrumentation, and similar applications
Ductile iron inline swing check valve with 12 in pipe size and flange x flange standard connections. Designed for backflow prevention in piping systems, suitable for water and wastewater applications such as pump stations and treatment plants
VAL-MATIC
Ductile iron inline swing check valve with 12 in pipe size and flange x flange standard connections. Designed for backflow prevention in piping systems, suitable for water and wastewater applications such as pump stations and treatment plants
Brass inline piston check valve with 1/2 in pipe size and FNPT x MNPT connections. Spring-loaded piston mechanism provides automatic backflow prevention in water, air, and light oil systems. Suitable for vertical or horizontal installations
Brass inline piston check valve with 1/2 in pipe size and FNPT x MNPT connections. Spring-loaded piston mechanism provides automatic backflow prevention in water, air, and light oil systems. Suitable for vertical or horizontal installations

More from MECLINE

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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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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
This brass inline piston check valve features a 3/8 in pipe size with FNPT x FNPT female NPT connections. It is designed to prevent backflow in piping systems, allowing flow in one direction only. Suitable for use in water, oil, and gas applications where a compact, corrosion-resistant valve is required
MECLINE
This brass inline piston check valve features a 3/8 in pipe size with FNPT x FNPT female NPT connections. It is designed to prevent backflow in piping systems, allowing flow in one direction only. Suitable for use in water, oil, and gas applications where a compact, corrosion-resistant valve is required