Dwyer Instruments A-345 Mounting Flange
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Dwyer Instruments A-345 Mounting Flange

Dwyer Instruments A-345 Mounting Flange

The Dwyer Instruments A-345 Mounting Flange is a critical installation accessory for professional technicians integrating static pressure tips and Pitot tubes into HVACR ductwork. Specifically engineered for use when the interior of the duct is inaccessible, this aluminum duct mounting flange provides a stable, leak-proof interface for 1/8" diameter tubing. It is fully compatible with Dwyer A-301, A-302, A-307, and A-308 pressure tips, ensuring precise alignment for accurate air velocity and pressure readings. The corrosion-resistant aluminum mounting hardware includes a dedicated gasket and sheet metal screws, facilitating a rapid, airtight seal on various plenum surfaces. Whether you are conducting air balancing or installing permanent differential pressure sensors, the A-345 delivers the structural integrity required for high-demand industrial environments. By securing the probe firmly against the duct wall, it eliminates vibration-induced noise and prevents bypass leakage that can skew sensitive measurement data during system commissioning and diagnostic testing.

Key Benefits
  • Ensures a secure, airtight seal for differential pressure sensors in inaccessible duct sections.
  • Compatible with a wide range of industry-standard 1/8 inch Pitot tubes and static pressure tips.
  • Constructed from heavy-duty aluminum to resist corrosion in high-humidity HVAC environments.
  • Streamlines the installation process by including the necessary mounting flange gasket and fasteners.
  • Protects measurement accuracy by minimizing probe movement and vibration within the airflow stream.
Common Questions

How do I install the A-345 if I can't reach inside the duct?
The A-345 is specifically designed for exterior mounting. Simply drill a 3/8" hole, apply the gasket, and secure the flange to the outside of the duct using the provided sheet metal screws.

What probe sizes are compatible with this mounting flange?
This mounting flange is optimized for 1/8 inch diameter probes, including standard Pitot tubes and specific static pressure tips like the Dwyer A-301 series.

Does this flange prevent air leakage around the probe?
Yes, the included gasket is designed to compensate for minor duct surface irregularities, providing an airtight seal critical for accurate differential pressure monitoring.

This item is not eligible for free shipping.

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.

$7.13

Original: $20.37

-65%
Dwyer Instruments A-345 Mounting Flange

$20.37

$7.13

Dwyer Instruments A-345 Mounting Flange

The Dwyer Instruments A-345 Mounting Flange is a critical installation accessory for professional technicians integrating static pressure tips and Pitot tubes into HVACR ductwork. Specifically engineered for use when the interior of the duct is inaccessible, this aluminum duct mounting flange provides a stable, leak-proof interface for 1/8" diameter tubing. It is fully compatible with Dwyer A-301, A-302, A-307, and A-308 pressure tips, ensuring precise alignment for accurate air velocity and pressure readings. The corrosion-resistant aluminum mounting hardware includes a dedicated gasket and sheet metal screws, facilitating a rapid, airtight seal on various plenum surfaces. Whether you are conducting air balancing or installing permanent differential pressure sensors, the A-345 delivers the structural integrity required for high-demand industrial environments. By securing the probe firmly against the duct wall, it eliminates vibration-induced noise and prevents bypass leakage that can skew sensitive measurement data during system commissioning and diagnostic testing.

Key Benefits
  • Ensures a secure, airtight seal for differential pressure sensors in inaccessible duct sections.
  • Compatible with a wide range of industry-standard 1/8 inch Pitot tubes and static pressure tips.
  • Constructed from heavy-duty aluminum to resist corrosion in high-humidity HVAC environments.
  • Streamlines the installation process by including the necessary mounting flange gasket and fasteners.
  • Protects measurement accuracy by minimizing probe movement and vibration within the airflow stream.
Common Questions

How do I install the A-345 if I can't reach inside the duct?
The A-345 is specifically designed for exterior mounting. Simply drill a 3/8" hole, apply the gasket, and secure the flange to the outside of the duct using the provided sheet metal screws.

What probe sizes are compatible with this mounting flange?
This mounting flange is optimized for 1/8 inch diameter probes, including standard Pitot tubes and specific static pressure tips like the Dwyer A-301 series.

Does this flange prevent air leakage around the probe?
Yes, the included gasket is designed to compensate for minor duct surface irregularities, providing an airtight seal critical for accurate differential pressure monitoring.

This item is not eligible for free shipping.

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.

Product Information

Shipping & Returns

Description

The Dwyer Instruments A-345 Mounting Flange is a critical installation accessory for professional technicians integrating static pressure tips and Pitot tubes into HVACR ductwork. Specifically engineered for use when the interior of the duct is inaccessible, this aluminum duct mounting flange provides a stable, leak-proof interface for 1/8" diameter tubing. It is fully compatible with Dwyer A-301, A-302, A-307, and A-308 pressure tips, ensuring precise alignment for accurate air velocity and pressure readings. The corrosion-resistant aluminum mounting hardware includes a dedicated gasket and sheet metal screws, facilitating a rapid, airtight seal on various plenum surfaces. Whether you are conducting air balancing or installing permanent differential pressure sensors, the A-345 delivers the structural integrity required for high-demand industrial environments. By securing the probe firmly against the duct wall, it eliminates vibration-induced noise and prevents bypass leakage that can skew sensitive measurement data during system commissioning and diagnostic testing.

Key Benefits
  • Ensures a secure, airtight seal for differential pressure sensors in inaccessible duct sections.
  • Compatible with a wide range of industry-standard 1/8 inch Pitot tubes and static pressure tips.
  • Constructed from heavy-duty aluminum to resist corrosion in high-humidity HVAC environments.
  • Streamlines the installation process by including the necessary mounting flange gasket and fasteners.
  • Protects measurement accuracy by minimizing probe movement and vibration within the airflow stream.
Common Questions

How do I install the A-345 if I can't reach inside the duct?
The A-345 is specifically designed for exterior mounting. Simply drill a 3/8" hole, apply the gasket, and secure the flange to the outside of the duct using the provided sheet metal screws.

What probe sizes are compatible with this mounting flange?
This mounting flange is optimized for 1/8 inch diameter probes, including standard Pitot tubes and specific static pressure tips like the Dwyer A-301 series.

Does this flange prevent air leakage around the probe?
Yes, the included gasket is designed to compensate for minor duct surface irregularities, providing an airtight seal critical for accurate differential pressure monitoring.

This item is not eligible for free shipping.

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.

Dwyer Instruments A-345 Mounting Flange | GSIstore