AR20400 | Gymatic 3/B Unloader Valve Adj Injector 3650 PSI

AR20400 – Gymatic 3/B Unloader Valve with Adjustable Injector – 3,650–3,800 PSI

• Professional-grade unloader valve for commercial and industrial cleaning systems
• Rated for 3,650–3,800 PSI
• Combines bypass safety and adjustable chemical injection
• Designed for demanding contractor and facility use

Pressure Regulation & Pump Protection

• Automatically diverts water to bypass when the trigger is released
• Prevents damaging pressure spikes in pumps, seals, hoses, and fittings
• Extends pump and system lifespan under heavy use
• Adjustable design allows fine-tuning pressure within 3,650–3,800 PSI
• Supports both light rinsing and heavy-duty industrial applications

Integrated Adjustable Injector

• Built-in chemical injector eliminates need for external injectors
• Dial-adjustable for precise detergent or chemical draw
• Ideal for switching between soaps, degreasers, sanitizers, and rinse cycles
• Reduces setup time and simplifies system plumbing

Rugged Build for Demanding Use

• Heavy-duty brass and stainless-steel internals
• Reinforced housing resists wear from pressure and chemicals
• Built for daily cycling in commercial environments
• Factory-tested for consistent performance

Installation, Adjustment & Maintenance

• Simple mounting to compatible AR pump models
• Easy access screws and lock-nuts for pressure adjustment
• Integrated injector reduces leak points
• Injector can be cleaned or serviced quickly

Shipping & Availability

• Distributed via AR North America
• Typically ships within 24 hours via UPS Ground
• Peak season lead time: 2–3 business days
• Secure packaging ensures safe transport

Compatibility & Product Family

M2 Minimatic Unloaders

• Rated for 2,600–2,900 PSI systems

AR20400 C2 Gymatic Unloaders

• Includes AR20400, designed for 3,650–3,800 PSI applications

VR Unloaders

• Engineered for specific AR pumps: RR, XM, RK

AR20400 – Gymatic Key Benefits

• Bypass safety protects pump during trigger release
• Integrated adjustable injector for detergent control
• Reliable pressure regulation
• Durable construction and long service life
• Fast shipping and easy installation
• Low-maintenance design

Applications

• Contractor rigs: mobile wash, fleet cleaning, industrial trailers
• Facility maintenance: warehouses, plants, municipal cleaning
• Industrial operations: food processing, chemical plants, manufacturing
• DIY and repair shops needing a pro-grade unloader
• Sanitation systems requiring detergent-to-rinse switching

AR20400 – Gymatic 3/B Unloader Valve with

Adjustable Injector – 3,650–3,800 PSI

• Dual-function unloader with pump protection and integrated chemical injection
• Rated for 3,650–3,800 PSI heavy-duty applications
• Reliable, rugged, and installer-friendly design
• Ideal for contractors, facilities, and industrial users