Giant 22533A-4600 Pop-Off Valve – 3/8″ MPT, Pre-Set to 4600 PSI

Model: 22533A-4600
Category: Pumps → Pump Accessories → Safety Valves / Relief Valves
Type: Pop-Off Safety Valve – Pre-Set to 4600 PSI, Genuine OEM Giant

The Giant Industries 22533A-4600 Pop-Off Valve is a pressure relief safety valve engineered to reduce system pressure instantly when a downstream restriction or obstruction occurs—even if it’s only partial. When used in conjunction with an unloader valve, this pop-off valve provides a second, independent layer of safety, helping protect pumps, hoses, fittings, and operators from dangerous over-pressure conditions.

Applications

• Pressure washer systems requiring secondary over-pressure protection

• Installations using unloaders where added safety is recommended

• Systems subject to flow interruptions or partial obstructions

• Commercial and industrial pressure washing setups

Specifications

• Set Pressure: 4600 PSI (factory pre-set)

• Maximum Temperature: 160°F

• Inlet Port: 3/8″ MPT

• Outlet Port: 3/4″ FPT

• Body Material: Brass

• Internal Components: Stainless steel ball with press-formed seat

Product Details

Brand: Giant
OEM: Yes – Genuine Giant Part
Application: Over-Pressure Protection / Safety Relief
Valve Type: Pop-Off / Safety Relief Valve

Key Features

• Genuine OEM Giant 22533A-4600 pop-off valve

• Pre-set to 4600 PSI for immediate pressure relief

• Activates even with partial downstream obstruction

• Designed to be used alongside an unloader valve for dual protection

• Field-resettable design

• Durable brass construction with stainless steel internals

• Helps protect pumps, hoses, fittings, and operators