Product Overview

The CONTROLAIR 700-BC (Part Number: 429829003) is a precision pneumatic pressure regulator engineered for accurate, repeatable control of air and gas pressure in demanding industrial process systems. Operating on a force-balance diaphragm and spring principle, this regulator modulates its internal valve trim to maintain a stable downstream setpoint regardless of variations in supply pressure or flow demand. As a member of the CONTROLAIR 700 series, it is purpose-built for instrumentation-grade pressure regulation, delivering the fine control resolution required in pneumatic control loops, actuation circuits, and process equipment where pressure stability directly affects product quality and system safety. The 700-BC designation indicates a precision regulating configuration with defined porting and adjustment characteristics, making it a direct-fit solution for OEM and retrofit installations across a wide range of industrial platforms.

Technical Specifications

ParameterSpecification / Feature
Component TypePrecision Pneumatic Pressure Regulator (Process & Pneumatic Valve)
Model DesignationCONTROLAIR 700-BC / 429829003
Operating PressureStandard Industrial Grade (regulated output up to rated bar, dependent on spring range)
Mounting & ConnectionStandard ISO / Manufacturer Interface (threaded process ports)
Working MediumCompressed air and compatible industrial gases
Regulation PrincipleForce-balance diaphragm with adjustable spring setpoint
Adjustment MethodManual setpoint adjustment (screw / knob configuration)

Engineering Features & Advantages

  • Precision Performance: Tight force-balance diaphragm design delivers accurate, repeatable downstream pressure regulation with minimal droop across the flow range, ensuring stable setpoints in sensitive pneumatic control loops.
  • Industrial Reliability: Built for continuous operation under severe industrial conditions, with robust internal trim and sealed construction that resists contamination and wear in high-cycle process environments.
  • Direct Fit Replacement: Exact dimensional and functional compatibility with original CONTROLAIR OEM standards, including the 429829003 part number, allowing drop-in replacement without modification to existing piping or mounting.
  • Stable Output Under Varying Demand: Compensates for supply pressure fluctuations and downstream flow changes, maintaining consistent regulated pressure for instrumentation and actuation duty.

Typical Industrial Applications

This precision pneumatic pressure regulator is suited to a broad range of heavy industrial scenarios, including plastic injection molding machines where consistent air pressure supports mold actuation and part ejection; metallurgical presses and furnaces requiring reliable pneumatic control of clamping and positioning circuits; construction and marine hydraulic-pneumatic systems where stable pilot pressure is critical to valve and actuator performance; and CNC machine tools and automated assembly lines that depend on precise air regulation for tooling, clamping, and instrumentation. It is equally applicable in process plants, packaging equipment, and general factory automation where accurate pneumatic pressure control is essential to throughput and product consistency.

PRODUCT IMAGES

CONTROLAIR 700-BC / 429829003
CONTROLAIR 700-BC / 429829003

CONTROLAIR 700-BC / 429829003 Precision Pneumatic Pressure Regulator

⚡ Emergency Plant Maintenance & Ready-to-Ship Notice:

  • Authentic & Fully Tested: 100% bench tested for hydraulic response, pressure rating, and null-bias stability before dispatch.
  • Fast Dispatch: In-stock units ready for same-day dispatch via DHL / FedEx Express directly to your plant.
  • Pre-Shipment Verification: High-definition photos, video testing runs, and serial number verification provided prior to shipment.
  • Peace of Mind: Covered by our 12-Month Replacement Warranty.

Shop the genuine CONTROLAIR 700-BC / 429829003 Solenoid Directional Control Valve. This US-made 24V DC hydraulic component features a spool-type design, delivering leak-free, reliable fluid control for heavy-duty industrial systems.

Tested Genuine Surplus / OEM Hydraulic Component
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Tested Genuine Surplus / OEM Hydraulic Component
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