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SMC Pneumatic Check Valve: Bushing, 1/2 in NPT, 3/8 in NPT - Pneumatics
SMCPneumatics

SMC Pneumatic Check Valve: Bushing, 1/2 in NPT, 3/8 in NPT

The SMC Pneumatic Check Valve (MPN AK4000-N03) is a pneumatics component with a bushing design, featuring 1/2 in NPT and 3/8 in NPT port sizes. Its body is made of aluminum die cast, with an aluminum die cast cover…

SKU 3G-OTH-156594

Brand
SMC
Item
Pneumatic Check Valve: Bushing, 1/2 in NPT, 3/8 in NPT
Category
Pneumatics
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Technical Specifications

SMC
Manufacturer Part Number
AK4000-N03
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SMC Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SMC Pneumatic Check Valve (MPN AK4000-N03) is a pneumatics component with a bushing design, featuring 1/2 in NPT and 3/8 in NPT port sizes. Its body is made of aluminum die cast, with an aluminum die cast cover, NBR O-ring, and POM valve, and it has a maximum pressure of 1 MPa.

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 the SMC AK4000-N03 pneumatic check valve used for?

The SMC AK4000-N03 pneumatic check valve is used to allow air flow in one direction while preventing backflow in pneumatic systems. It is commonly applied in industrial automation, air preparation units, and control circuits to protect components from reverse pressure.

What are the specifications of the SMC AK4000-N03 check valve?

The SMC AK4000-N03 check valve has 1/2 in NPT and 3/8 in NPT port sizes, a maximum pressure of 1 MPa, and a body and cover made of aluminum die cast. The O-ring is NBR and the valve is POM. It is a bushing-style pneumatics component from SMC.

Where to buy the SMC AK4000-N03 check valve worldwide?

You can source the SMC AK4000-N03 check valve through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring reliable supply for your pneumatic system needs.

How to install the SMC AK4000-N03 check valve?

Install the SMC AK4000-N03 check valve by connecting the 1/2 in NPT or 3/8 in NPT ports to your pneumatic line, ensuring flow direction matches the arrow on the valve body. Use thread sealant on NPT threads and tighten to manufacturer torque specs. Test for leaks before system pressurization.

Used in

Common applications for SMC
Automotive assembly — SMC ZP3 flat vacuum pads for handling small components in pick-and-place robots
Semiconductor manufacturing — SMC ZM series vacuum generators with needle valves for precise wafer handling
Food packaging — SMC AW-D series filter regulators for clean compressed air in pneumatic actuators
General industrial automation — SMC AS2211F speed control valves for regulating cylinder speeds in conveyor systems
Vacuum conveying — SMC ZH series box-type vacuum generators for material transport in packaging lines
Machine tool coolant systems — SMC ZF series in-line filters to protect vacuum ejectors from debris

SMC Products

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

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