CAT Pumps Pop-Off Valve – Rupture Disk Assembly, 316 Stainless Steel, Model 9921, Inlet Port Size 3/8″ NPT(M), Discharge Port Size 3/8″ NPT(F), Max. Flow 20 GPM, Max. Pressure 10000 PSI

Model: 9921 ~ Call For Pricing

The rupture disc assembly is a safe, simple choice for a secondary pressure control valve. This assembly is non-adjustable. Once maximum pressure is reached, the internal disc will rupture to relieve over-pressurization. The discs are then replaceable.


Technical Specifications
Max Flow 20 gpm / 76 lpm
Max Pressure 10000 psi
Inlet Port Size 3/8″ NPT(M)
Discharge Port Size 3/8″ NPT(F)
Accessory Type Pop-off Valves
Material 316 Stainless Steel
By-Pass Port 3/8″ NPT(F)


Cat Pumps Limited Warranty