Complete Housing for Hazardous Area Monitoring
Protect your critical sensors with the Bently Nevada 21000-28-10-00-041-04-02. This 21000 Proximity Probe Housing Assembly is a complete kit. It safely mounts proximity probes in explosive atmospheres. Ideal for turbines and compressors in oil, gas, and chemical plants.
Ordering Code Explained
- Series 21000: Proximity Probe Housing Assembly, Aluminum Body
- First Suffix 28: Includes 3300 XL 8mm probe with hazardous area approvals
- Second Suffix 10: Probe Cable Length = 1.0 meter
- Third Suffix 00: No Standoff Adapter
- Fourth Suffix -041: Probe Penetration = 4.1 inches
- Fifth Suffix 04: Includes one 3/4-14 NPT plug
- Sixth Suffix -02: Mounting Thread = 3/4-14 NPT
Key Benefits & Applications
- Safety Certified: Explosion-proof for hazardous (classified) locations.
- Industry Compliant: Meets API 670 standard for external mounting.
- Complete Solution: Includes housing, probe, seals, and fittings in one box.
- Robust Construction: Aluminum body with 304 stainless steel internal sleeve.
- Simplified Installation: Reduces complexity for stable, reliable probe placement.
Detailed Technical Data
- Manufacturer Part: 21000-28-10-00-041-04-02
- Housing Material: Aluminum body with 304 Stainless Steel sleeve
- Included Probe: 3300 XL 8mm Proximity Probe
- Probe Approvals: Selectable for hazardous areas
- Cable Length: 1.0 m (39 in)
- Mounting Thread: 3/4-14 NPT
- Probe Penetration: 4.1 inches
- Max (C)+(D) with visible probe: 17.0 in (43.18 cm)
- Overall Max (C)+(D): 32.9 in (83.5 cm)
- Included Fitting: One 3/4-14 NPT plug
- Weight (typical): 1.1 kg (2.4 lb) without fittings
- Enclosure Rating: CSA Type 4
- Standard Compliance: Fully compliant with API 670
What’s Included in the Box
- Aluminum housing body with dome cover
- Reverse mount 3300 XL 8mm proximity probe
- Stainless steel probe sleeve
- Necessary O-rings and thread seal
- One 3/4-14 NPT plug
- Ports for conduit connections
Installation & Ordering Support
- Ensure the mounting location meets the API 670 standard for external mounting.
- This unit is supplied as new original stock in factory packaging.
- All parts include a full 12-month warranty.
- Global express shipping via FedEx, UPS, and DHL is available.
Frequently Asked Questions
General & Technical
- What does “reverse mount” mean for the included probe?
- The probe is installed from inside the housing, pointing outward towards the target shaft.
- Is the housing itself explosion-proof?
- Yes, the 21000 housing is certified as a CSA Type 4 enclosure for hazardous areas.
Selection & Compatibility
- Can I use a different probe with this housing?
- This kit comes complete. The housing is designed for the included 3300 XL 8mm probe.
- What is the “probe penetration” dimension?
- It is how far the probe tip extends from the housing mounting face (4.1 inches here).
Expert Purchasing Advice
- Do I need anything else to install this?
- You may need conduit fittings and cables to connect the probe to your monitoring system.
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