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SMC LVA40-04N-B High-Purity Pneumatically-Actuated Diaphragm Valve - High-Purity Pneumatically-Actuated Diaphragm Valves
SMCHigh-Purity Pneumatically-Actuated Diaphragm Valves

SMC LVA40-04N-B High-Purity Pneumatically-Actuated Diaphragm Valve

The SMC Chemical Liquid Valve (SKU LVA40-04N-B, MPN LVA40-04N-B) is a high-purity pneumatically-actuated diaphragm valve with a 1/2 in NPT connection and a polyphenylene sulfide body. It features Air to Air actuator…

SKU 3G-OTH-449926

Also listed as: LVA4004NB · LVA40 04N B

Brand
SMC
Item
LVA40-04N-B High-Purity Pneumatically-Actuated Diaphragm Valve
Part Number
LVA40-04N-B
Category
High-Purity Pneumatically-Actuated Diaphragm Valves
Available to Order
Also known as:LVA40-04N-BSMC
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Technical Specifications

SMC
Manufacturer Part Number
LVA40-04N-B
Type
Air to Air, Fail Closed, Polyphenylene Sulfide
NPT
1/2 in
Actuator Operation
Air to Air
Fail Safe Position
Fail Closed

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

Product Description

The SMC Chemical Liquid Valve (SKU LVA40-04N-B, MPN LVA40-04N-B) is a high-purity pneumatically-actuated diaphragm valve with a 1/2 in NPT connection and a polyphenylene sulfide body. It features Air to Air actuator operation and a Fail Closed fail-safe position, ensuring the valve closes upon loss of actuation pressure.

Frequently Asked Questions

What is the SMC LVA40-04N-B chemical liquid valve used for?

The SMC LVA40-04N-B is a high-purity pneumatically-actuated diaphragm valve used to control chemical liquids in semiconductor, pharmaceutical, and industrial processing. Its polyphenylene sulfide body and 1/2 in NPT connections provide corrosion resistance and reliable shutoff in aggressive fluid applications.

What are the specifications of the SMC LVA40-04N-B valve?

The SMC LVA40-04N-B features a 1/2 in NPT connection, Air to Air actuator operation, and a Fail Closed fail-safe position. The body is made of polyphenylene sulfide. It is a pneumatically-actuated diaphragm valve designed for high-purity chemical liquid service.

Where to buy the SMC LVA40-04N-B valve worldwide?

3G Electric supplies the SMC LVA40-04N-B valve to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we source and deliver genuine SMC components for chemical liquid control applications.

How to install the SMC LVA40-04N-B diaphragm valve?

Install the SMC LVA40-04N-B valve in a clean, dry location with proper pipe support. Apply thread sealant to the 1/2 in NPT connections and tighten to manufacturer torque specs. Connect the air supply to the Air to Air actuator and verify the Fail Closed position before pressurizing the system.

Used in

Common applications for SMC
Automotive assembly lines — SMC V100 Series solenoid valves control clamping and positioning actuators.
Food and beverage packaging — SMC SY Series valves manage air flow in filling and sealing stations.
Material handling systems — SMC D-M9B auto switches detect cylinder positions on conveyor diverters.
Compressed air treatment — SMC coalescing filter elements remove oil aerosols in pneumatic supply lines.
Robotic end-effectors — SMC SV Series valves provide multi-position control for gripper actuation.
Pharmaceutical manufacturing — SMC particulate filter elements protect sensitive pneumatic equipment from solid contaminants.
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SMC Products

3G Electric supplies SMC high-purity pneumatically-actuated diaphragm valves. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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