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MECLINE Brass Inline Piston Check Valve, 3/8 in, FNPT x FNPT, CV3-40038 - Brass Inline Piston Check Valves
MECLINEBrass Inline Piston Check Valves

MECLINE Brass Inline Piston Check Valve, 3/8 in, FNPT x FNPT, CV3-40038

The MECLINE Check Valve: Piston (MPN CV3-40038) is a brass inline piston check valve with a 3/8 in pipe size and FNPT x FNPT female NPT connections. This inline valve body is designed for straightforward installation…

SKU 3G-OTH-429663

Also listed as: CV340038 · CV3 40038

Brand
MECLINE
Item
Brass Inline Piston Check Valve, 3/8 in, FNPT x FNPT, CV3-40038
Category
Brass Inline Piston Check Valves
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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
CV3-40038
Type
Inline Valve Body, FNPT x FNPT, Brass, Female, NPT
Pipe Size
3/8 in

Technical Documents

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

Product Description

The MECLINE Check Valve: Piston (MPN CV3-40038) is a brass inline piston check valve with a 3/8 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 CV3-40038 check valve used for?

The MECLINE CV3-40038 is a brass inline piston check valve used to prevent backflow in piping systems. It is commonly installed in water, oil, and gas applications where a compact, corrosion-resistant valve is needed to allow flow in one direction only.

What are the specifications of the MECLINE CV3-40038 check valve?

The MECLINE CV3-40038 is a 3/8 in pipe size, inline piston check valve with a brass body and FNPT x FNPT female NPT connections. It is designed for reliable backflow prevention in low-pressure fluid systems. The manufacturer part number is CV3-40038.

Where to buy MECLINE CV3-40038 check valves worldwide?

3G Electric supplies the MECLINE CV3-40038 check valve to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this brass inline piston check valve.

How to install a MECLINE inline piston check valve?

Install the MECLINE CV3-40038 check valve in the correct flow direction as indicated by the arrow 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
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This brass inline piston check valve features a spring-loaded piston mechanism for automatic backflow prevention. With 3/8 inch male NPT connections on both ends, it is suitable for water, air, and light industrial piping systems where compact and reliable sealing is required in vertical or horizontal installations
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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 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

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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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