Gast AA840A Relief Valve at Kinequip is a precision-engineered vacuum relief valve designed to protect pneumatic systems from excessive vacuum levels. Featuring a 3/8″ NPT threaded connection, this OEM component ensures your equipment operates within safe vacuum limits by automatically venting air when the vacuum exceeds the recommended threshold. It’s ideal for use in Gast vacuum pumps and systems where maintaining controlled vacuum pressure is critical.
The AA840A is compatible with a wide range of Gast models, including 0523, 1023, 1065, 1423, and 1550 series units. Its compact design allows for easy installation and integration into existing setups. Built for durability and reliability, this valve helps prevent system damage, improves operational safety, and extends equipment life.
Whether you’re replacing a worn component or adding protection to a new system, the AA840A offers dependable performance in industrial, laboratory, and medical environments. It’s a cost-effective solution for maintaining vacuum integrity and ensuring consistent operation.
Quick Product Highlights
- Vacuum relief valve with 3/8″ NPT threads
- Prevents excessive vacuum pressure
- Compatible with multiple Gast pump models
- Easy to install and maintain
Get your Gast AA840A Relief Valve at Kinequip today!





