Product details
Bently Nevada 21128-04-02 Velocity Transducer Housing
Bently Nevada 21128-04-02 provides reliable protection for velocity sensors against moisture, corrosion, and impact. Made of high-grade 303 stainless steel, it meets NEMA 4X and IP65 standards when properly installed. Ideal for non-hazardous environments, this housing ensures long-term durability and performance.
- Brand: Bently Nevada
- Model: 21128-04-02
- Type: Water and Corrosion-Resistant Velocity Transducer Housing
- Material: 303 Stainless Steel
- Warranty: 12 Months Factory Warranty
- Delivery: Fast global shipping via FedEx, UPS, or DHL
- Contact: sales@powergearx.com | +86 18030005825
Key Selling Points:
- Durable 303 stainless steel construction resists corrosion and water exposure.
- Designed for use in non-hazardous environments and meets IP65 protection standards.
- Compatible with Velomitor CT, 9200, and 74712 Seismoprobe when used with a tall cap option.
- Wide operating temperature range: -29°C to +121°C (-20°F to +250°F).
- Neoprene O-ring ensures a tight, moisture-resistant seal.
- Lightweight yet robust — total weight 1.6 kg (3.55 lb).
- Easy connection to Velomitor sensors using cable part number 89477-AA.
Technical Specifications:
- Mounting Thread & Cap Option: 04 = 1/2-in 14 BSP (G 1/2-in)
- Cable Exit Fitting Option: 02 = 1/2-in NPT, explosion-proof fitting
- Temperature Rating: -29°C to +121°C (-20°F to +250°F)
- O-ring Material: Neoprene
- Outlet Port Size: 1/2-in NPT
- Internal Mounting Thread: 1/2-in 20 UNF
- Weight: 1.6 kg (3.55 lb) without sensor or fittings
- Moisture Resistance: Resistant to corrosion and moisture (not submersible)
Ordering Code Breakdown:
- 21128 – AA-BB
- AA: 04 = 1/2-in 14 BSP (G 1/2-in)
- BB: 02 = 1/2-in NPT, explosion-proof fitting
Frequently Asked Questions (FAQ)
- Q1: Can the 21128-04-02 housing be used outdoors?
- Yes. It is made from 303 stainless steel and rated to IP65, making it suitable for outdoor use when properly sealed.
- Q2: What is the difference between the standard and tall cap options?
- The tall cap allows installation of larger sensors such as the Velomitor CT or Seismoprobe models.
- Q3: Does this housing include a velocity sensor?
- No. The 21128-04-02 housing is sold separately but can be paired with compatible Bently Nevada sensors.
- Q4: How can I ensure a secure installation?
- Use the recommended cable (part number 89477-AA) and confirm all fittings are tightened to maintain the IP65 seal.
- Q5: What’s the best maintenance practice for this housing?
- Inspect the O-ring regularly for wear and ensure no debris or corrosion is present inside the housing.
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