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21000-16-05-20-033-00-02

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The 21000-16-05-20-033-00-02 is a CSA-approved, explosion-proof Proximity Probe Housing Assembly designed for hazardous areas. It features a 3/4-14 NPT mounting thread.
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Technical specifications for 21000-16-05-20-033-00-02

  • Manufacturer:
    Bently Nevada
  • Part Number:
    21000-16-05-20-033-00-02
  • Product Family:
    21000, 24701, and 164818 Proximity Probe Housing A
  • Product Type:
    Proximity Probe Housing Assembly
  • Housing Material:
    Aluminum
  • Compatible Probe:
    3300 XL 8 mm probe
  • Probe Cable Length:
    0.5 m (20 in)
  • Standoff Adapter Length:
    2.0 in
  • Probe Penetration:
    3.3 in
  • Fittings:
    Without fittings
  • Mounting Thread:
    3/4-14 NPT
  • Enclosure Type:
    CSA Type 4
  • Industry Standard:
    API 670 compliant
  • Weight:
    1.1 kg
  • Estimated shipping dimensions:
    8.5x8.5x42.5cm
  • Tariff Code:
    8525891900
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.
Description
The 21000-16-05-20-033-00-02 is a rugged, explosion-proof Proximity Probe Housing Assembly engineered for deployment in hazardous industrial locations where safety certifications are mandatory. This aluminum housing assembly carries Canadian Standards Association (CSA) approvals and is specifically rated for explosion-proof operation in environments with flammable atmospheres. 

Certification and compliance are defining characteristics of the 21000-16-05-20-033-00-02, which is certified as a CSA Type 4 enclosure and fully compliant with the American Petroleum Institute's API 670 Standard for externally mounted proximity probe housings. These certifications validate the housing's safety performance and mechanical reliability for use in oil and gas, petrochemical, and other high-risk industries where equipment must meet stringent regulatory requirements. 

When compared to newer housing alternatives, the 21000-16-05-20-033-00-02 represents the explosion-proof solution within Bently Nevada's product lineup, specifically designed for applications where this level of protection is required.

Installation and application considerations for the 21000-16-05-20-033-00-02 include its suitability for radial mounting of transducers through machine casings, where it enables external access to proximity probes for gap adjustment or replacement without disassembling the monitored equipment. The housing's aluminum construction provides corrosion resistance while maintaining the structural integrity required for explosion-proof applications. 
Alternative Names
21000-30-05-20-033-00-02 21000-32-05-20-033-00-02 21000-34-05-20-033-00-02 21000-36-05-20-033-00-02
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
What safety certifications and standards does the 21000-16-05-20-033-00-02 comply with?
The 21000-16-05-20-033-00-02 carries Canadian Standards Association (CSA) approvals and is rated explosion-proof for hazardous areas. It is certified as a CSA Type 4 enclosure and is fully compliant with API 670 Standard for externally mounted proximity probe housings, making it suitable for intrinsically safe applications in regulated industrial environments where explosive atmospheres may be present.
What are the key dimensional specifications of the 21000-16-05-20-033-00-02 housing assembly?
The 21000-16-05-20-033-00-02 features a 3/4-14 NPT mounting thread, includes a 2.0-inch standoff adapter, and provides 3.3 inches of probe penetration. It accommodates 3300 XL 8 mm probes with 0.5 meter (20 inch) cables and is supplied without additional fittings, providing a complete housing solution for explosion-proof probe installations in hazardous locations.
When should I choose the 21000-16-05-20-033-00-02 over newer housing alternatives?
The 21000-16-05-20-033-00-02 should be selected specifically for hazardous area applications requiring explosion-proof certification. For installations where explosion-proof ratings are not required, newer 31000/32000 proximity probe housing assemblies offer more flexible mounting options and better environmental resistance. The 21000-16-05-20-033-00-02 is the appropriate choice when regulatory compliance mandates certified explosion-proof enclosures for intrinsically safe systems.
What types of applications is the 21000-16-05-20-033-00-02 best suited for?
The 21000-16-05-20-033-00-02 is ideally suited for hazardous area applications in oil and gas, petrochemical, and other regulated industries where explosion-proof housing is required for proximity probe installations. Its CSA approvals, API 670 compliance, and aluminum construction make it appropriate for intrinsically safe vibration and Keyphasor measurement systems monitoring rotating machinery in potentially explosive atmospheres where safety certifications are mandatory for equipment deployment.

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