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SMCHigh-Purity Pneumatically-Actuated Diaphragm Valves

SMC Viper Valve: 1/2 in, Air to Spring, Fail Closed, PFA, 1/8 in NPT

The SMC Viper Valve is a 1/2 in high-purity pneumatically-actuated diaphragm valve (SKU LVQ400-Z13N, MPN LVQ400-Z13N). It features air-to-spring actuator operation with a fail-closed position, constructed from PFA…

SKU 3G-OTH-449932

Also listed as: LVQ400Z13N · LVQ400 Z13N

Brand
SMC
Item
Viper Valve: 1/2 in, Air to Spring, Fail Closed, PFA, 1/8 in NPT
Category
High-Purity Pneumatically-Actuated Diaphragm Valves
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

SMC
Manufacturer Part Number
LVQ400-Z13N
Type
Air to Spring, Fail Closed, PFA
NPT
1/8 in
Actuator Operation
Air to Spring
Fail Safe Position
Fail Closed
Coefficient Of Volume
1.9

Technical Documents

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

Product Description

The SMC Viper Valve is a 1/2 in high-purity pneumatically-actuated diaphragm valve (SKU LVQ400-Z13N, MPN LVQ400-Z13N). It features air-to-spring actuator operation with a fail-closed position, constructed from PFA and equipped with a 1/8 in NPT port and a 1.9 Coefficient of Volume.

Frequently Asked Questions

What is the SMC Viper Valve used for?

The SMC Viper Valve is a high-purity pneumatically-actuated diaphragm valve used in semiconductor, pharmaceutical, and chemical processing applications where contamination control is critical. Its PFA construction and fail-closed position ensure safe isolation of aggressive fluids.

What are the specifications of the SMC Viper Valve LVQ400-Z13N?

The SMC Viper Valve LVQ400-Z13N has a 1/2 in body size, air-to-spring actuator, fail-closed position, PFA body material, 1/8 in NPT port, and a Coefficient of Volume of 1.9. It is a high-purity diaphragm valve designed for reliable shut-off in demanding environments.

Where to buy the SMC Viper Valve worldwide?

3G Electric supplies the SMC Viper Valve LVQ400-Z13N worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for a quote and lead time on this high-purity pneumatically-actuated diaphragm valve.

How to install the SMC Viper Valve?

Install the SMC Viper Valve by connecting the 1/8 in NPT pilot port to a clean, dry air supply. Ensure the valve body is oriented for proper flow direction. Tighten connections to manufacturer torque specs and test for leaks before pressurizing the system.

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 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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