Honeywell Models 434/435/437, Wing Union / Hammer Union Pressure Sensors

Models 434/435/437 Wing Union/Hammer Union Pressure Sensors are designed for demanding oil and gas applications as well as stimulation and circulation systems. They are constructed as an all-welded, stainless steel assembly with the sensor diaphragm and wing union fitting machined as one part, which provides hermetic integrity and minimizes media leakage versus multi-piece parts. The isolated pressure sensing diaphragm minimizes zero-shift during hammer up and eliminates long-term signal drift in the field. The Weco® 1502, 2002, and 2202 Wing Union-compatible fittings are machined of Inconel® X-750, or optional NACE-compliant Inconel® 718, allowing for use with abrasive and corrosive media. The Honeywell proprietary stainless steel electrical connection provides enhanced secondary pressure containment. Special assembly processes provide enhanced shock and vibration for reliable performance in the field.

Key Features
*  Pressure range 0 to 5000 psi; 0 to 6000 psi; 0 to 10000 psi; 0 to 15000 psi; 0 to 20000 psi; 0 to 350 bar; 0 to 400 bar; 0 to 700 bar; 0 to 1000 bar; 0 to 1350 bar
*  High accuracy ±0.1 %FSS BFSL (Model 435); standard accuracy ±0.2 %FSS BFSL (Models 434/435/437)
*  Standard aperture (Models 434/435) and wide aperture (Model 437) pressure ports support media blends with high viscosities
*  Inconel® X-750 or optional NACE-compliant Inconel® 718 wetted parts
*  Multiple electrical connectors supported
*  Pressure connections: WECO 1502, 2002, 2202
*  High accuracy 1-wire or 2-wire shunt calibration option allows ability to validate the offset signal in the field, ensuring the sensor is actively plugged into the system
*  Protective cage option
*  RFI/EMI protected
*  Intrinsically safe: CFMUS/ATEX/IEC Ex certification
*  CE approved

Potential Industrial Applications
– Acidizing
– Choke manifold
– Fracturing and cementing
– Mud pumps / mud logging
– New well development and extraction
– Oil and gas drilling
– Service and cement trucks
– Standpipe
– Well stimulation
– Well head measurement

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