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Danfoss 148B3747 Valve

Danfoss 148B3747 Valve

The Danfoss 148B3747 is a heavy-duty SNV-ST gauge valve engineered for precision service and isolation in industrial refrigeration systems. Featuring a 3/8 inch FPT x 3/8 inch MPT connection, this stop needle valve is constructed from high-strength, low-temperature steel with a protective zinc chromate coating, making it ideal for the most demanding environments. This Danfoss needle valve provides a bi-flow design with favorable flow characteristics and includes an internal metal-to-metal backseating feature. This allows for spindle seal replacement while the valve remains under pressure, ensuring system uptime during critical maintenance. Rated for a maximum operating pressure of 754 psig (52 bar) and a broad temperature range from -76°F to 302°F, it is fully compatible with R717 (Ammonia), R744 (CO2), and non-corrosive HFC/HCFC refrigerants. The non-removable stainless steel spindle enhances safety by preventing accidental unscrewing during operation, providing a reliable solution for gauge mounting and system purging.

Key Benefits
  • Internal Backseating: Features metal-to-metal backseating that safely enables spindle seal replacement while the system is fully pressurized.
  • Broad Refrigerant Compatibility: Designed for high-pressure systems using R717 Ammonia and R744 CO2, as well as common non-corrosive industrial gases.
  • Rugged Steel Construction: Built from specialized low-temperature steel to maintain structural integrity in extreme thermal conditions.
  • Compact Service Design: Lightweight and space-efficient, allowing for easy installation as a service valve or gauge connection point without specific flow direction requirements.
Common Questions

Is this valve suitable for CO2 systems?
Yes, the Danfoss 148B3747 is rated for R744 (CO2) applications and high-pressure environments up to 754 psig.

Can I use this as a permanent gauge mounting point?
Yes, the SNV-ST series is specifically designed for gauge mounting and as a service valve for system isolation.

Does it require a specific flow direction?
No, this valve features a bi-flow design, meaning it can be installed without concern for flow directionality.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.

$30.95

Original: $88.43

-65%
Danfoss 148B3747 Valve—

$88.43

$30.95

Product Information

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Description

The Danfoss 148B3747 is a heavy-duty SNV-ST gauge valve engineered for precision service and isolation in industrial refrigeration systems. Featuring a 3/8 inch FPT x 3/8 inch MPT connection, this stop needle valve is constructed from high-strength, low-temperature steel with a protective zinc chromate coating, making it ideal for the most demanding environments. This Danfoss needle valve provides a bi-flow design with favorable flow characteristics and includes an internal metal-to-metal backseating feature. This allows for spindle seal replacement while the valve remains under pressure, ensuring system uptime during critical maintenance. Rated for a maximum operating pressure of 754 psig (52 bar) and a broad temperature range from -76°F to 302°F, it is fully compatible with R717 (Ammonia), R744 (CO2), and non-corrosive HFC/HCFC refrigerants. The non-removable stainless steel spindle enhances safety by preventing accidental unscrewing during operation, providing a reliable solution for gauge mounting and system purging.

Key Benefits
  • Internal Backseating: Features metal-to-metal backseating that safely enables spindle seal replacement while the system is fully pressurized.
  • Broad Refrigerant Compatibility: Designed for high-pressure systems using R717 Ammonia and R744 CO2, as well as common non-corrosive industrial gases.
  • Rugged Steel Construction: Built from specialized low-temperature steel to maintain structural integrity in extreme thermal conditions.
  • Compact Service Design: Lightweight and space-efficient, allowing for easy installation as a service valve or gauge connection point without specific flow direction requirements.
Common Questions

Is this valve suitable for CO2 systems?
Yes, the Danfoss 148B3747 is rated for R744 (CO2) applications and high-pressure environments up to 754 psig.

Can I use this as a permanent gauge mounting point?
Yes, the SNV-ST series is specifically designed for gauge mounting and as a service valve for system isolation.

Does it require a specific flow direction?
No, this valve features a bi-flow design, meaning it can be installed without concern for flow directionality.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.

Danfoss 148B3747 Valve | GSIstore