Emerson HMI-1TT4 Welding Sight Glass - 1/2 Inch Cold Storage Instrument

🔧 Emerson HMI-1TT4 Welding Sight Glass Overview

The Emerson HMI-1TT4 is a precision-engineered 1/2-inch welding sight glass designed for critical cold storage and industrial refrigeration applications. This instrument-grade component enables real-time visual monitoring of refrigerant flow, moisture indicators, and system integrity in demanding environments.

⚙️ Technical Specifications

• Model Number: HMI-1TT4
• Connection Size: 1/2 inch welded fitting
• Construction: Heavy-duty brass body with tempered glass viewport
• Temperature Range: -40°F to 250°F (-40°C to 121°C)
• Pressure Rating: Up to 500 PSI working pressure
• Application: Cold storage, HVAC/R systems, industrial refrigeration
• Compatibility: Compatible with R-22, R-134a, R-404A, R-410A refrigerants

🎯 Key Applications

Cold Storage Facilities: Monitor refrigerant charge levels and detect moisture contamination in walk-in coolers and freezer systems.

Industrial Refrigeration: Essential for ammonia and synthetic refrigerant systems in food processing, pharmaceutical storage, and chemical manufacturing.

HVAC Systems: Provides visual confirmation of proper refrigerant flow and system charging in commercial air conditioning installations.

✅ Solutions & Benefits

✓ Instant Visual Diagnostics: Quickly identify refrigerant flow issues, moisture presence, and oil return without system shutdown
✓ Leak-Proof Welded Design: Eliminates threaded connection failures common in high-vibration environments
✓ Extended Service Life: Corrosion-resistant materials ensure reliable operation in harsh industrial conditions
✓ Maintenance Efficiency: Reduces diagnostic time by 60% compared to pressure-only monitoring methods

📦 Package Contents

• 1x Emerson HMI-1TT4 Welding Sight Glass
• Installation gaskets and seals
• Technical documentation

Backed by Emerson's reputation for industrial automation excellence, the HMI-1TT4 delivers the reliability your critical refrigeration systems demand.