WATCHDOG Closed System Oiler: 4 oz Capacity, Glass, 1/2" Thread Size
The WATCHDOG Closed System Oiler is a glass, NPT closed constant-level oiler with a 4 oz capacity and 1/2" thread size (MPN 31818). It features a 1/2" NPT mounting thread type and size, designed for consistent…
SKU 3G-OTH-591658
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Product Description
The WATCHDOG Closed System Oiler is a glass, NPT closed constant-level oiler with a 4 oz capacity and 1/2" thread size (MPN 31818). It features a 1/2" NPT mounting thread type and size, designed for consistent lubrication in industrial systems.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is a WATCHDOG Closed System Oiler used for?
A WATCHDOG Closed System Oiler provides consistent, automatic lubrication to bearings and moving parts in industrial machinery. It maintains a constant oil level in sealed systems, reducing wear and extending equipment life across applications like pumps, compressors, and conveyors.
What are the specifications of the WATCHDOG Closed System Oiler 31818?
The WATCHDOG Closed System Oiler (MPN 31818) has a 4 oz capacity, glass reservoir, and 1/2" NPT mounting thread. It is designed for closed constant-level oiling in industrial systems, ensuring reliable lubrication without manual refills.
Where to buy a WATCHDOG Closed System Oiler worldwide?
3G Electric supplies the WATCHDOG Closed System Oiler (MPN 31818) worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this closed constant-level oiler.
How to install a WATCHDOG Closed System Oiler?
Install the WATCHDOG Closed System Oiler by threading the 1/2" NPT mount into a compatible port on your equipment. Ensure the oiler is vertical for proper float operation. Fill with recommended oil, then monitor the sight glass to confirm consistent lubrication during startup.
WATCHDOG Products
3G Electric supplies WATCHDOG closed constant-level oilers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

