GRACO Pressure Relief Valve 4000 PSI (133991) - (SKU: 133991)The GRACO 133991 is a pressure relief valve designed for use in high pressure lubrication systems. It is engineered to protect equipment by releasing excess pressure at a set point of 4000 PSI (275. 8 bar), ensuring safe operation and preventing damage to system components. The material is not specified in available documentation, but it is intended for use with grease and compatible with various GRACO lubrication equipment. Key Features: Pressure

Santoprene™ seats

Maintenance and repair of GRACO 307 IND AC industrial diaphragm pumps in various industrial settings

Use appropriate tools to avoid stripping the screw head

Used in GRACO spray foam systems and other fluid handling equipment to connect piping sections securely and efficiently

and maintenance environments where noise reduction is important

commonly used in industrial fluid transfer applications

heavy-duty earth-moving machines

2 HP AC motor)

Engineered for seamless operation and lasting quality

Follow recommended air supply pressure and flow rates

precision-engineered retaining ring designed to securely hold components in place within GRACO equipment

Used in GRACO PD (Proportioner-Direct) systems for pneumatic fluid handling and transfer applications