Product Overview
The Parker IR4015S2K2P6TA8384 is a precision instrument pressure regulator from Parker’s IR series, engineered for accurate pressure control in analytical, process, and pneumatic instrumentation circuits. This regulator operates on a direct-acting diaphragm sensing principle, where a spring-loaded diaphragm assembly continuously balances against downstream pressure to maintain a stable, repeatable setpoint regardless of variations in inlet pressure or flow demand. As a dedicated pressure-regulating valve, it does not generate flow itself but precisely meters and controls gas or liquid pressure delivered to sensitive downstream instrumentation, analyzers, and sampling systems. Its compact body, fine-thread adjustment mechanism, and low-torque control knob make it ideal for panel-mounted installations where precise, drift-free pressure regulation is critical to overall system accuracy.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Instrument Pressure Regulator (Process & Pneumatic Valve) |
| Model Designation | IR4015S2K2P6TA8384 |
| Series | Parker IR Series Instrument Regulator |
| Operating Pressure | Standard Industrial Grade (up to rated inlet bar; low-pressure outlet control) |
| Actuation Principle | Direct-acting diaphragm with spring-loaded setpoint adjustment |
| Mounting & Connection | Standard ISO / Manufacturer Interface (panel-mount capable) |
| Adjustment | Fine-thread manual control knob for precise setpoint tuning |
Engineering Features & Advantages
- Precision Performance: Direct-acting diaphragm design delivers accurate, repeatable downstream pressure regulation with minimal droop and excellent setpoint stability across varying flow conditions.
- Industrial Reliability: Built for continuous operation under severe industrial conditions, with a robust valve body and diaphragm assembly resistant to vibration, temperature fluctuation, and contaminant exposure.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original OEM standards, allowing drop-in replacement without modification to existing panel or piping configurations.
- Low-Torque Adjustment: Fine-thread control mechanism enables smooth, sensitive pressure setting for instrumentation requiring tight tolerance control.
Typical Industrial Applications
This instrument pressure regulator is widely deployed in analytical instrumentation and sampling systems, gas chromatography and process analyzer feed lines, pneumatic control panels and air preparation circuits, and laboratory or pilot-plant test benches requiring stable low-pressure delivery. It is also commonly used in oil and gas sampling skids, chemical injection systems, and semiconductor process gas handling where precise pressure regulation directly affects measurement accuracy and process repeatability.
PRODUCT IMAGES

Parker IR4015S2K2P6TA8384 Instrument Pressure Regulator
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- 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.
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