ARO Low Pressure Material Regulator, Downstream, 651790-XXX-B Series
Low Pressure Material Regulator, Downstream
651790-XXX-B Series
Manufacturer: ARO / Ingersoll Rand
Part Number: 651790-XXX-B
Description: The ARO 651790-XXX-B Series Low Pressure Material Regulator is designed to provide reliable, controlled downstream fluid pressure in material delivery, spray, and dispensing systems. Built for industrial fluid-handling applications, this regulator helps maintain consistent outlet pressure for dependable material flow and application performance.
The 651790 Series is available in a variety of configurations to accommodate different system requirements, including standard and high-flow models, multiple pressure ranges, and zinc or stainless-steel body and valve component options. Depending on the specific model, regulated pressure ranges extend from 5–30 PSI up to 100–800 PSI, with maximum inlet pressure ratings up to 1,250 PSI.
A convenient flush-out feature allows the valve to be temporarily opened to help purge accumulated particles and material from the regulator without changing the established pressure setting. The removable seat plug also provides access to the ball and seat assembly for inspection and cleaning without requiring the regulator to be removed from the fluid line.
Features:
- Downstream material pressure regulator
- Designed for controlled and consistent outlet pressure
- Standard and high-flow configurations available
- 3/8" NPTF ports on standard and high-flow models
- Multiple zinc and stainless-steel construction options
- Pressure ranges available from 5–30 PSI to 100–800 PSI, depending on model
- Maximum inlet pressure up to 1,250 PSI, depending on configuration
- Operating temperature range: 0°F to 200°F (-18°C to 93°C)
- Integrated flush-out feature helps clear particle buildup
- Removable seat plug simplifies valve inspection and cleaning
- Service and rebuild kits available for routine maintenance
Exact pressure ratings, materials, ball sizes, and port configurations vary by model suffix. Refer to the specific 651790-XXX-B model configuration when selecting a regulator. If your configuration is unavailable, please contact us at (503) 545-3176

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