The GRACO 237063 is a pressure relief valve designed to prevent system over-pressurization in select GRACO proportioners, pumps, and spray systems. It is constructed with wetted parts made from 304 stainless steel, graphite-filled PTFE, UHMWPE (model 24W475), and tungsten carbide (nickel binder), ensuring durability and chemical resistance. This valve is intended for professional use only and is critical for maintaining safe operating conditions within GRACO equipment.

Key Features:

• Pressure relief valve
• 237063
• 304 stainless steel, graphite-filled PTFE, UHMWPE (model 24W475), tungsten carbide (nickel binder)
• Minimum working pressure: 2900 psi (203 bar, 20300 kPa); Maximum working pressure: 3600 psi (248 bar, 24800 kPa)
• For use with select GRACO proportioners, pumps, and spray systems
• Spring-loaded needle design for reliable pressure relief
• Robust construction for long service life
• Low noise level (<70 dBA)
• Ease of maintenance with replaceable seals

Applications:
Used in industrial and professional settings to control and relieve excess pressure in fluid handling systems, particularly in GRACO proportioners, pumps, and spray systems.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, safety, and compatibility with GRACO equipment.
• Read all warnings and instructions in the manual before installation and use.
• Ensure proper torque is applied: inlet/outlet (50–60 ft-lb, 68–81 Nm), relief port (13–15 ft-lb, 18–20 Nm), and specific connections (75–85 ft-lb, 102–115 Nm) as required.
• Apply appropriate lubricant and anti-seize compounds as specified.
• Replace seals if leakage is observed.
• Use a 9/16 in. drag-link socket for installation.
• Regularly inspect for leaks and replace seals as needed.
• Follow torque specifications during reassembly.
• Keep wetted parts clean and free from debris.