43217-02 Bently Nevada Accelerometer Mounting Kit Protection Enclosure

Mechanical Protection Architecture & Overview

The Bently Nevada 43217-02 is an industrial-grade accelerometer mounting kit engineered to protect vibration sensors from severe environmental hazards, physical impact, and moisture ingress. Designated by the 43217-AA configuration structure (specifically option 02), this robust enclosure kit includes both flat and dome covers, an extension ring, a housing base, mounting hardware, and cable grip assemblies. When installed properly with rigid or flexible conduit, the assembly complies with API 670 standards for machinery protection systems.

Reliability engineers specify the 43217-02 housing kit to shield sensitive 330400 and 330425 series accelerometers mounted on heavy rotating machinery operating in outdoor or washdown industrial environments.

Configuration Breakdown (43217-AA Suffix Matrix)

• Option 00: Base kit configuration featuring a flat cover, housing base, mounting screws, gasket, O-ring, and cable grip.
• Option 01: Configuration adding an optional dome cover to accommodate taller sensor connectors.
• Option 02 (43217-02): Comprehensive configuration featuring an optional extension ring, both flat and dome covers, optimized for 330400 and 330425 accelerometers.

Comprehensive Technical Specifications Table

• Manufacturer Brand: Bently Nevada
• Product Series / Type: Accelerometer Mounting Kit / Sensor Enclosure
• Part Number / Model: 43217-02 (43217-AA Series)
• Flat Cover Material: Copper-free aluminum
• Dome Cover Material: Copper-free aluminum
• Extension Ring Material: Copper-free aluminum
• Housing Base Material: Feraloy iron alloy
• Gasket & O-Ring Material: Neoprene elastomer
• Outlet Conduit Port Size: 1/2-inch 14 NPT thread
• Supported Conduit Interfaces: 12 mm (1/2-inch) flexible or rigid conduit
• Total Assembly Weight (with Dome & Extension): 737 g (26 oz) [Flat cover only: 320 g / Dome cover only: 600 g]
• Associated Sensor Models: Designed for Bently Nevada 23732, 330400, and 330425 accelerometers

Global PLC Spare HUB's Insight

According to Global PLC Spare HUB's Insight, proper surface preparation is critical when installing the 43217-02 housing base. Field technicians must spot-face the machine casing surface where the housing is mounted to ensure a flat, stable seating plane. Failing to spot-face rough casting surfaces can compromise the watertight seal of the neoprene gasket, leading to moisture infiltration and premature sensor failure in humid plant environments.

Target Equipment & Heavy Industrial Applications

• Critical Steam & Gas Turbines: Protects bearing cap vibration accelerometers from steam leaks and oil mist.
• Large Centrifugal Compressors: Shields casing vibration sensors in petrochemical processing plants.
• Heavy Industrial Pumps: Safeguards accelerometers on high-pressure water injection pumps in offshore platforms.
• Large Electric Motors & Generators: Secures exterior vibration monitoring lines against physical damage and washdown chemicals.
• Industrial Gearboxes: Encloses diagnostic sensors exposed to rugged outdoor weather and dust accumulation.

Diagnostic & Protective Capabilities

While the 43217-02 is a passive mechanical enclosure rather than an active electronic module, its protective design indirectly supports diagnostic integrity:

• Signal Noise Mitigation: Shielded metal enclosure and grounded conduit connections prevent electromagnetic interference (EMI) from corrupting low-level accelerometer signals.
• Environmental Isolation: Neoprene O-rings and dust-tight housing prevent salt spray and chemical corrosion from degrading coaxial cable connectors.
• Impact Deflection: Rugged copper-free aluminum and feraloy construction protects internal cable joints from accidental personnel contact or falling debris.

Express Logistics & 12-Month Warranty Coverage

• Warranty Terms: Backed by a full 12-month manufacturer defect replacement warranty.
• Dispatch Lead Time: Rapid order fulfillment and dispatch within 24 to 48 hours globally.
• Global Carriers: Secure international logistics handled via FedEx, UPS, and DHL.

Professional Frequently Asked Questions (FAQ)

Q1: What specific accelerometers are compatible with the 43217-02 mounting kit?

A1: The 43217-02 kit is specifically optimized to house Bently Nevada 330400 and 330425 accelerometers, as well as model 23732 sensors when using the appropriate mounting base accessory.

Q2: Is the conduit included with the 43217-02 kit package?

A2: No, rigid or flexible conduit (along with the sensor mounting base) must be ordered separately as system accessories.

Q3: What alternative material option is available if the standard aluminum enclosure is exposed to highly corrosive chemical gases?

A3: For severely corrosive environments, Bently Nevada offers an optional 303 stainless steel accelerometer mounting kit orderable under part number 164952-AA-BB.

Q4: Why is spot-facing required on the machine surface prior to mounting the housing base?

A4: Spot-facing ensures a flat, smooth, and uniform mating surface for the feraloy housing base, guaranteeing that the neoprene gasket forms a complete watertight seal against moisture and dust.

Q5: What purchasing guidelines ensure correct selection when ordering Bently Nevada mounting hardware?

A5: Verify the physical space constraints around your bearing housing and select the appropriate 43217-AA suffix option (00 for flat cover, 01 for dome cover, or 43217-02 for the full extension and dual cover kit) to ensure sufficient internal clearance for your sensor and connector cabling.

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