CAT Pumps Pop-Off Valve – High Temp, 316 Stainless Steel, Model 9961S, Inlet Port Size 1/4″ NPT(M), Discharge Port Size 3/4″ Barb, Max. Flow 6 GPM, Min Pressure 1000 PSI – Max. Pressure 3000 PSI


Model: 9961S

Provides back-up protection as a secondary relief valve to assure complete pressure relief for maximum pump and system protection.


• Specially designed valve and seat configuration eliminates weeping on both standard and high-temperature models.
• Standard models are rated to 180° F, while high temperature “S” models can handle temperatures up to 240° F.
• Lightweight, compact design quickly and conveniently mounts directly into discharge line.


Technical Specifications
Max Flow 6 gpm / 23 lpm
Max Pressure 3000 psi
Inlet Port Size 1/4″ NPT(M)
Discharge Port Size 3/4″ Barb
Accessory Type Pop-off Valves
Material 316 Stainless Steel
By-Pass Port 3/4″ Barb


CAT SS Pop Off Valves Models 9960_9962S Data Sheet


Cat Pumps Limited Warranty