HP Press Control, Auto, 1/4 Flare PS50AL-S51

Sanhua PS Series Pressure Controls – Flare Connection

Reliable Pressure Safety for HVAC&R Systems

Sanhua's PS01/50/15 Series Pressure Controls with flare connections deliver robust protection and precision monitoring for refrigeration and air-conditioning systems. These durable units are crafted to safeguard against extreme pressure variations—whether unusually low suction pressure or dangerously high discharge pressure—ensuring consistent system operation and safety.

Key Features

• High Accuracy & Reliability – Consistent switching with rapid response thanks to precision SPDT (Single-Pole Double-Throw) design.
• Long-Lasting Performance – Solid mechanical and electrical build coupled with double bellows in select models ensures extended service life.
• Multi-Range Coverage – Offers low pressure (LP), high pressure (HP), and dual-pressure (LP/HP) control, suitable for a broad spectrum of applications.

Performance & Technical Specifications

• Refrigerant Compatibility – Safe for use with HCFCs, HFCs, HFOs, and many non-flammable refrigerants. For use with R410A, R32, R290 or R1234yf, contact Sanhua for guidance.
• Operating Temperature Range – Medium temperature: –40 °C to +120 °C; ambient temperature: –30 °C to +65 °C.
• Pressure Ratings – High-pressure models rated up to 3.5 MPa, low-pressure models up to 1.65 MPa.
• IP44 Enclosure & Standardized Flare Fittings – Built for real-world conditions with reliable flare connection compatibility.
• Certifications & Compliance – CE, UL Listed, and certified under PED IV / EN12263 directives for pressure safety equipment.

Model Options

The PS series offers versatile options tailored to system needs:

• PS01 – Low-pressure control
• PS50 – High-pressure control
• PS15 – Dual low/high pressure control
• Reset options include Automatic (A), Manual (M), and Convertible (C)
• Flare connection models identified with “L” in their part designation