RP904A-1009-3 | Honeywell Direct Grad-U Pneumatic Relay Control Device
Honeywell · Relays, Contactors & Switches
Description The Honeywell RP904A-1009-3 is a pneumatic relay designed for use in HVAC and industrial pneumatic control systems. It functions as a Direct Grad-U-Relay, amplifying and transmitting air pressure signals to control downstream devices. This unit is used to improve signal accuracy and response in building automation and process control applications. Technical Specifications Condition New/Never Used Surplus Brand Honeywell Category Pneumatics Part Number RP904A-1009-3 Subcategory Pneumatic Control Product Type Pneumatic Relay Series RP904A Relay Type Direct Grad-U-Relay Control Medium Compressed Air Application HVAC and Industrial Pneumatic Control Systems Mounting Type Panel / Control Assembly Mount Function Pneumatic Signal Amplification and Transmission Weight 3.00 lbs Information About RP904A-1009-3 The RP904A-1009-3 is part of Honeywell’s RP904A series of pneumatic relays engineered for proportional pressure control. It is designed to receive a control air signal and provide a corresponding output pressure with stable and repeatable performance. The device is typically installed within pneumatic control panels or field-mounted enclosures as part of a larger air control network. Its construction supports reliable operation in commercial HVAC systems where consistent air signal transmission is required. Key Features: Direct Grad-U-Relay Design: Provides proportional pneumatic signal transmission and amplification. Pneumatic Control Function: Transfers and stabilizes air pressure signals within control systems. HVAC System Integration: Suitable for building automation and environmental control networks. Panel or Field Mounting: Designed for installation within pneumatic control assemblies. Signal Amplification Capability: Improves response and accuracy of downstream actuators. Industrial Application Use: Compatible with commercial and industrial pneumatic systems. The RP904A-1009-3 delivers the reliability and precision required for stable pneumatic signal control in HVAC automation systems.
Brand: Honeywell · Category: Relays, Contactors & Switches
Key features
- Direct Grad-U-Relay Design: Provides proportional pneumatic signal transmission and amplification.
- Pneumatic Control Function: Transfers and stabilizes air pressure signals within control systems.
- HVAC System Integration: Suitable for building automation and environmental control networks.
- Panel or Field Mounting: Designed for installation within pneumatic control assemblies.
- Signal Amplification Capability: Improves response and accuracy of downstream actuators.
- Industrial Application Use: Compatible with commercial and industrial pneumatic systems.
Specifications
| Manufacturer part number | RP904A-1009-3 |
|---|---|
| Condition | New/Never Used Surplus |
| Brand | Honeywell |
| Category | Pneumatics |
| Part Number | RP904A-1009-3 |
| Subcategory | Pneumatic Control |
| Product Type | Pneumatic Relay |
| Series | RP904A |
| Relay Type | Direct Grad-U-Relay |
| Control Medium | Compressed Air |
| Application | HVAC and Industrial Pneumatic Control Systems |
| Mounting Type | Panel / Control Assembly Mount |
| Function | Pneumatic Signal Amplification and Transmission |
| Weight | 3.00 lbs |
| Product type | Pneumatic Valves |
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