Bently Nevada 21128-14-02 - Velocity Sensor Housing

Bently Nevada 21128-14-02 Velocity Transducer Housing

Key Technical Specifications

• Brand: Bently Nevada
• Model: 21128-14-02
• Category: Velocity Transducer Housing
• Mounting Thread: 1/2-in 14 BSP (G 1/2-in) with tall cap
• Cable Exit Fitting: 1/2-in NPT, explosion-proof fitting
• Temperature Range: -29°C to +121°C (-20°F to +250°F)
• Moisture Resistance: Resists moisture and corrosion, but is not submersible
• O-ring Material: Neoprene
• Weight: 1.6 kg (3.55 lb) without sensor or fittings
• Internal Mounting Thread: 1/2-in 20 UNF for 21128 and CA21128; 5/8-in 18 UNF-2B for BA42608
• Outlet Port Size: 1/2-in NPT

Performance and Environmental Protection

• The 21128-14-02 housing suits most non-hazardous environmental conditions.
• The CA21128 version is explosion-proof and CSA certified for Classes I, II, and III, Division 1, Groups B, C, D, E, F, and G.
• The BA42608 housing meets BASEEFA requirements and complies with BS EN 60079-14.
• It provides the environmental and physical protection needed for an IP65 rating per IEC standard 144.
• Each housing now comes with a tall cap option.
• The tall cap is required for installing a Velomitor CT or a 9200 / 74712 Seismoprobe with an isolated base into the 21128 housing.
• When using the 21128 Housing, cable part number 89477-AA connects the Velomitor Sensor to a monitor.

Installation Guide

• Verify the mounting thread matches your sensor: 1/2-in 14 BSP (G 1/2-in) for this model.
• Use the tall cap option when installing a Velomitor CT or specific Seismoprobe models.
• Ensure the 1/2-in NPT explosion-proof cable exit fitting is properly sealed.
• Install the housing in a location that avoids direct hose-directed water.
• Confirm all connections meet NEMA 4X and IP65 requirements after installation.
• Do not submerge the housing; it resists moisture but is not submersible.
• Use cable part number 89477-AA to connect a Velomitor Sensor to a monitor.

Packing List

• 1 x Bently Nevada 21128-14-02 Velocity Transducer Housing
• 1 x Neoprene O-ring
• 1 x Tall cap
• 1 x 1/2-in NPT explosion-proof cable exit fitting
• Mounting hardware as required for installation

Shipping and Support

• We ship via FedEx, UPS, and DHL to most international destinations.
• We keep this model in stock and dispatch within 5 days.
• We accept returns within 30 days of delivery.
• All items are brand new and original.

FAQ

• Q: What is the temperature range for the 21128-14-02?
  A: The housing operates from -29°C to +121°C (-20°F to +250°F).
• Q: Is this housing submersible?
  A: No. It resists moisture and corrosion, but you cannot submerge it.
• Q: What mounting thread does this model use?
  A: It uses a 1/2-in 14 BSP (G 1/2-in) thread with a tall cap.
• Q: Can I install a Velomitor CT in this housing?
  A: Yes, but you must use the tall cap option.
• Q: What cable do I need for a Velomitor Sensor?
  A: Use cable part number 89477-AA to connect to a monitor.
• Q: Does this housing come with an explosion-proof fitting?
  A: The 21128-14-02 includes a 1/2-in NPT explosion-proof cable exit fitting.

Contact Information

• Inquiries: sales@nex-auto.com
• Phone / WhatsApp: +86 153 9242 9628
• Partner NexAuto Technology Limited: https://www.nex-auto.com/