| Puffer-Sweiven Specialties (PSS) offers a wide range of products and services to solve the most challenging on-off applications.
Our accessory line includes:

Positioners - Pneumatic, Analog, Digital Accessories

GO - Leverless Limit Switches LUMITECH - Integrated Valve Controllers & Monitors LP2 - Low Power Solenoids Foundation Fieldbus - AS-i Interface

NETHERLOCKS is a supplier of safety products in the Oil & Gas industry. Our products are utilised by most of the major end users in the sector and help create a safer working environment. We are a market leader in mechanical interlocks and we also manufacture several other unique safety products.

Valve Monitoring Systems (VMS) provide valve automation solutions for quarter turn and linear actuator applications.
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