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TRICO Closed Constant-Level Oiler, Glass, 1/4" NPT, 4 oz - Closed Constant-Level Oilers
TRICOClosed Constant-Level Oilers

TRICO Closed Constant-Level Oiler, Glass, 1/4" NPT, 4 oz

The TRICO Closed System Oiler is a glass, NPT-type constant-level oiler with a 4 oz capacity and 1/4" thread size (MPN 30203). It features a 1/4" NPT mounting thread, designed for reliable lubrication in closed systems.

SKU 3G-OTH-591656

Brand
TRICO
Item
Closed Constant-Level Oiler, Glass, 1/4" NPT, 4 oz
Part Number
30203
Category
Closed Constant-Level Oilers
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Technical Specifications

TRICO
Manufacturer Part Number
30203
Type
Glass, NPT
Thread Size
1/4"
Mounting Thread Size
1/4"
Mounting Thread Type
NPT

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TRICO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The TRICO Closed System Oiler is a glass, NPT-type constant-level oiler with a 4 oz capacity and 1/4" thread size (MPN 30203). It features a 1/4" NPT mounting thread, designed for reliable lubrication in closed systems.

Frequently Asked Questions

What is a TRICO Closed System Oiler used for?

The TRICO Closed System Oiler (MPN 30203) provides automatic, constant-level lubrication to bearings and moving parts in enclosed equipment. It maintains a preset oil level in the sump, reducing maintenance intervals and preventing dry starts in industrial machinery.

What are the specifications of the TRICO 30203 oiler?

The TRICO 30203 is a glass, NPT-type constant-level oiler with a 4 oz capacity. It has a 1/4" NPT mounting thread and a 1/4" thread size. The transparent glass reservoir allows visual oil-level checks without opening the system.

Where to buy a TRICO Closed System Oiler worldwide?

3G Electric supplies the TRICO Closed System Oiler (MPN 30203) to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this TRICO lubrication component.

How to install a TRICO constant-level oiler?

Install the TRICO 30203 oiler into a 1/4" NPT threaded port on the equipment reservoir. Ensure the oiler is vertical and the oil level aligns with the center of the sight glass. Use thread sealant on NPT threads to prevent leaks. Fill the reservoir with the recommended lubricant.

Used in

Common applications for TRICO
Industrial machinery — TRICO PE-1202-15 automatic lubrication pump for single-point oil delivery to bearings and slides.
Electrical maintenance — TRICO 38071 insulated fuse puller for safe removal of 1/4" to 1/2" fuses in control panels.
Bearing lubrication — TRICO Latch Dog Oiler (31824) with 4 oz glass reservoir and 3/4" NPT thread for constant-level oiling.
Heavy equipment — TRICO PE-3003 oil-dispensing pump with 500 cc output for high-volume lubrication of large bearings.
Chain and slide lubrication — TRICO PE-1202-05 pump delivering 72 cc per cycle to single feed points on production lines.
Preventive maintenance — TRICO PE-1202-60 pump with 6 cc output for frequent, low-volume lubrication of small bearings.
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TRICO Products

3G Electric supplies TRICO closed constant-level oilers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Closed constant-level oiler with a glass reservoir, 1/2" NPT mounting thread. Maintains consistent oil level in industrial equipment such as pumps, compressors, and bearings. Glass sight allows visual monitoring of oil level

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