Description
Pneumercator PK4-RM1 Probe 4″ Riser Mount Kit, Quick-Release Lockable Cap for MP45xS/MP55xS Magnetostrictive Probes is a 4″ NPT riser mounting kit that provides a soft-mount installation method for Pneumercator rigid magnetostrictive tank gauging probes in underground and vertical storage tanks.
Soft-Mount 4″ Riser Installation: The PK4-RM1 kit allows the probe to rest on the tank bottom while being stabilized within a 4″ riser without rigid attachment, supporting typical MP45xS/MP55xS probe lengths up to about 15 feet and simplifying installation and servicing by raising or lowering the probe by its cable.
Quick-Release, Lockable Aluminum Cap: A 4″ aluminum cap assembly with a quick-release ferrule adapter lets the cap be removed without disturbing conduit connections and provides a padlock point to prevent unauthorized access to the probe and riser.
Integrated Nylon Cable Compression Fitting: The cap includes a nylon cable compression fitting with elastomer sealing rings that grip and seal the probe cable, maintaining a leak-resistant riser termination while allowing slack adjustment before tightening the cable grip.
For 4″ NPT Riser Pipes: PK4-RM1 mounts on a 4″ NPT riser with sufficient height above the tank roof to accommodate the cap, cable loop, and service access, providing a clean, protected termination for the probe and wiring.
Typical Applications: The PK4-RM1 riser mount kit is used on underground storage tanks and vertical storage tanks where a 4″ riser is available and where quick, lockable access to the probe is needed for inspection, adjustment, or replacement.
Installation Notes: A small slack loop in the cable should be left below the compression fitting to avoid strain on the probe and junction box wiring, and direct-mount kits are generally preferred when probe lengths exceed roughly 15 feet or where soft-mounting is not suitable.






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