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SHK-203 M11×1 AC Pressure Switch | R-134a 0.2-3.14MPa for All Vehicle AC Systems

SHK-203 M11×1 AC Pressure Switch | R-134a 0.2-3.14MPa for All Vehicle AC Systems

The customizable SHK-203 AC pressure switch features M11×1 male thread, R-134a compatibility, and operates at HP OFF 3.14MPa/LP OFF 0.2MPa. Designed for all vehicle models, it safeguards AC systems from over/under pressure, with flexible customization for specific installation and performance needs.

Model:
SHK-203 AC pressure switch
Brand:
SHINE
Code:
20221179


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Product Description

SHK-203: Customizable R-134a AC Pressure Switch for Universal Vehicle Fit

The SHK-203 is a dedicated air conditioning pressure switch (with customizable specs) engineered for universal compatibility across all vehicle models, focusing on R-134a AC system protection:

Category	Item	Specification
Thread Size	Connection Type	M11×1 Male (Customizable)
Operating Pressure	HP OFF Pressure	3.14MPa (Overpressure Protection)
	LP OFF Pressure	0.2MPa (Underpressure Protection)
Compatibility	Refrigerant Type	R-134a
Application	Vehicle Fit	All Vehicle Models

In automotive AC systems, it acts as a dual-protection component—triggering HP OFF at 3.14MPa to shield compressors from overpressure damage and LP OFF at 0.2MPa to prevent underpressure malfunctions. The M11×1 male thread (with customization options) ensures seamless installation on standard AC pipelines of passenger cars, SUVs, commercial vehicles, and trucks.

R-134a compatibility aligns with modern automotive AC systems, making it a widely applicable replacement part. Its robust construction withstands extreme temperature fluctuations (-40~85℃) and engine vibration, while customizable parameters (e.g., thread size, pressure thresholds) cater to specialized vehicle AC setups.

SHK-203: Industrial-Grade Quality & Customizable Reliability

The SHK-203 adheres to strict automotive component standards, balancing quality with customization flexibility:

Pressure Control Precision: Calibrated to HP OFF 3.14MPa/LP OFF 0.2MPa (±0.05MPa tolerance) for accurate dual protection, with customizable pressure settings available.
Durable & Customizable Construction: High-quality brass housing (corrosion-resistant) with M11×1 thread (or custom thread options) meets industrial sealing standards for leak-proof performance.
Refrigerant Compatibility: R-134a-specific seal materials ensure chemical stability and prevent leakage, with compatibility for other refrigerants via customization.
Rigorous Testing: Undergoes 500,000 cycle pressure tests, temperature endurance trials, and automotive-grade vibration resistance testing—customized units receive model-specific validation.
Traceability & Warranty: 18-month warranty; batch records and customization specs are fully traceable, meeting global automotive aftermarket requirements.

Application

The customizable SHK-203 AC pressure switch applies to all vehicle models (passenger cars, SUVs, commercial vehicles, trucks) for R-134a AC system protection. It monitors refrigerant pressure, triggering HP OFF at 3.14MPa and LP OFF at 0.2MPa to prevent over/under pressure damage, with M11×1 (or custom) male thread for universal/specialized installation.