Specific Application

• Multi-Cable Machine Case Egress: Routes up to four non-armored 75Ω or 95Ω proximity probe lines safely through a single tapped bulkhead entry hole on the machinery casing.
• Low-Pressure Fluid Isolation: Prevents internal machine lubes, oils, or gases from leaking outward along the outer jackets of the transducer leads under sustained working pressures.
• Conduit and Housing Integration: Serves as a heavy-duty, threaded sealing bridge that securely mates external industrial piping networks or weather-proof junction boxes to raw machine barriers.

System Compatibility and Replacement Models

System Compatibility:

• Non-armored Bently Nevada 3300 XL, 3300, and 7200 proximity probe cables (75Ω and 95Ω lines)
• Standard machinery cases, enclosures, or barriers tapped for 1/2-14 NPT pipe threads
• Rigid or flexible external conduit fittings utilizing a 1/2-14 NPT connection profile

Alternative Replacement Models:

• 43501-02-04-02 (Larger 3/4-14 NPT thread version accommodating up to 4 cables)
• 43501-01-02-01 (1/2-14 NPT version optimized for up to two 25mm or 50mm DE transducer cables)
• 10076-02 (Single-cable aluminum body seal for 75/95Ω unarmored lines)

Differences from Alternative Models:

• Thread Footprint Sizes: The 43501-01-04-01 integrates a tighter 1/2-14 NPT high-pressure and low-pressure side connection thread. In contrast, the 43501-02-04-02 utilizes a wider 3/4-14 NPT thread, which demands a completely different tapped mounting bore profile on the casing.
• Grommet Channel Configuration: The -04 grommet configuration comes with one clean-punched channel and three partially pre-drilled layout holes to pack up to 4 standard proximity wires. The -02 option alternative contains larger internal grommet pathways custom-molded to pass only two thick 25mm or 50mm DE lines.
• Multi-Line Density vs. Single Seals: Traditional standalone glands like the 10076 series can only wrap around a single cable lead and require independent case taps for each sensor. The 43501 multi-seal compresses up to 4 independent runs into one tight thread pattern, significantly reducing machining costs and layout space requirements.

Ordering Information Table

Installation & Troubleshooting FAQ

Q1: What are the pressure sealing limits and cable type restrictions for this seal model?

A: The 43501-01-04-01 low-pressure cable seal is rated to seal internal pressures up to 345 kPa (50 psi) when properly tightened. This specific assembly must only be deployed alongside non-armored cables. Attempting to pass metal-armored cables through the silicon rubber grommet channels will disrupt the mechanical seating profile, resulting in catastrophic path leaks under fluid pressure.

Q2: How do I prepare and route additional sensor wires through the partially pre-drilled grommet holes?

A: The -04 option grommet is shipped from the factory with only one hole punched completely through. If your application requires routing 2, 3, or 4 cables, you must use a dedicated punch tool kit (Part Number 04490104) to cleanly pop open the remaining partially pre-drilled paths. Forcing raw cables through or using makeshift drill bits will score or tear the molded silicone rubber, compromising the pressure barrier.

Q3: What should I check if lube oil is leaking out from the threads or cable exits?

A: First, verify that the 303 stainless steel compression nuts are fully torqued down to compress the internal silicone rubber grommet securely around all active outer jackets. If the leakage persists along the external machine boundary, check the pipe sealant tape or compound on the 1/2-14 NPT high-pressure side casing threads. Finally, ensure any unused pre-drilled holes in the grommet were not punched through accidentally; open unused holes must be filled with a solid plug to block escaping fluids.