Bently Nevada 21128-11-02 Velocity Transducer Housing – Durable Waterproof

Bently Nevada 21128-11-02 Velocity Transducer Housing

Bently Nevada 21128-11-02 is a stainless steel housing that shields velocity sensors from water, corrosion, and impact damage. Designed for reliable use in harsh environments, it meets NEMA 4X and IP65 standards when properly installed.

• Material: 303 Stainless Steel
• Temperature Range: -29°C to +121°C (-20°F to +250°F)
• O-ring Material: Neoprene
• Weight: 1.6 kg (3.55 lb)
• Mounting Thread: 1/2-in 20 UNF (standard), 5/8-in 18 UNF-2B for BA42608
• Outlet Port Size: 1/2-in NPT
• Moisture: Resistant, not submersible
• Warranty: 12 months factory warranty

Key Benefits:

• Protects sensors against corrosion and impact
• Made from high-grade stainless steel for long life
• Available with tall cap option for Velomitor CT installation
• Explosion-proof fitting ensures safe use in industrial sites
• Fast global delivery via FedEx, UPS, or DHL

Product Code Structure:

21128 - AA - BB
│      │     └─ BB : Cable Exit Fitting
│      └─ AA : Mounting Thread & Cap Option
└─ 21128 : Base Model

• AA = 11 → Unthreaded base, 28.5 mm diameter, tall cap
• BB = 02 → 1/2-in NPT, explosion-proof fitting

Recommended Cable: 89477-AA for connecting Velomitor sensors to monitor systems.

Shipping Options: FedEx, UPS, DHL

Contact Information:
📧 sales@powergearx.com
📱 +86 18030005825

Specifications Summary

• Operating Temperature: -29°C to +121°C
• Ingress Protection: IP65 (NEMA 4X)
• Compatible Models: Velomitor CT, 9200, 74712 Seismoprobe
• Housing Type: Water and Corrosion Resistant
• Environmental Protection: Not submersible

Expert FAQ

• Q1: How do I install the 21128-11-02 housing for best performance?
• Install using approved mounting thread torque and ensure the O-ring is properly seated to maintain IP65 seal integrity.
• Q2: Can this housing be used in explosive environments?
• Yes, when fitted with the explosion-proof exit option (BB=02), it meets industrial safety requirements for hazardous zones.
• Q3: What maintenance does this housing require?
• Inspect seals every six months, clean with a non-corrosive solution, and verify no water intrusion.
• Q4: Is the tall cap mandatory for Velomitor CT sensors?
• Yes, the tall cap allows extra clearance for sensor top connectors and ensures proper fit.
• Q5: How fast can Powergear X Automation deliver this housing?
• Usually within 3–5 business days globally via FedEx, UPS, or DHL depending on region and stock.

Warranty Terms: 12-month standard factory warranty covering manufacturing defects and performance issues under normal use.

Partnership & References:

• Original Source: https://www.powergearx.com/
• Partner: Ubest Automation Limited

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