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LDI INDUSTRIES Vented Oil Gauges: 6.19 in Body Ht, 4 1/4 in Sight Ht, 1/2" NPTF Male - Vented Oil Level Gauges
LDI INDUSTRIESVented Oil Level Gauges

LDI INDUSTRIES Vented Oil Gauges: 6.19 in Body Ht, 4 1/4 in Sight Ht, 1/2" NPTF Male

The LDI INDUSTRIES Vented Oil Gauge (MPN G321-4) is a vented oil level gauge with a 6.19 in body height and 4 1/4 in sight height, featuring a 1/2" NPTF male connection. It is compatible with the G320 Series, has a…

SKU 3G-OTH-592819

Brand
LDI INDUSTRIES
Item
Vented Oil Gauges: 6.19 in Body Ht, 4 1/4 in Sight Ht, 1/2" NPTF Male
Category
Vented Oil Level Gauges
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Technical Specifications

LDI INDUSTRIES
Manufacturer Part Number
G321-4
Sight Ht
4 1/4 in
NPTF Male
1/2"
Seal Material
Buna N
Max. Temp Rating
250°F
Includes Thermometer
No Thermometer Included
Compatible with Series
G320 Series
View Full Spec Sheet

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

Product Description

The LDI INDUSTRIES Vented Oil Gauge (MPN G321-4) is a vented oil level gauge with a 6.19 in body height and 4 1/4 in sight height, featuring a 1/2" NPTF male connection. It is compatible with the G320 Series, has a Buna N seal, and a maximum temperature rating of 250°F, with no thermometer included.

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 the LDI INDUSTRIES G321-4 vented oil gauge used for?

The LDI INDUSTRIES G321-4 vented oil gauge provides a clear visual indication of oil level in industrial equipment such as gearboxes, compressors, and hydraulic reservoirs. Its vented design equalizes pressure, ensuring accurate readings at temperatures up to 250°F.

What are the specifications of the LDI INDUSTRIES G321-4 oil gauge?

The G321-4 has a 6.19 in body height and 4 1/4 in sight height, with a 1/2" NPTF male connection. It features a Buna N seal, a maximum temperature rating of 250°F, and no thermometer. It is compatible with the G320 Series from LDI INDUSTRIES.

Where to buy the LDI INDUSTRIES G321-4 vented oil gauge worldwide?

3G Electric supplies the LDI INDUSTRIES G321-4 vented oil gauge to customers worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this gauge to your facility, regardless of location.

How to install the LDI INDUSTRIES G321-4 vented oil gauge?

Install the G321-4 by threading the 1/2" NPTF male connection into a compatible port on your reservoir. Ensure the Buna N seal is properly seated to prevent leaks. The vented design requires no additional vent line; simply tighten to the recommended torque.

Used in

Common applications for LDI INDUSTRIES
Hydraulic power units — LDI Industries pump motor adapters (e.g., MPN 6028) connect electric motors to hydraulic pumps in industrial machinery.
Mobile equipment — LDI Industries SAE B 4-bolt adapters (e.g., MPN 1952) used in construction vehicle hydraulic systems.
Gas engine-driven pumps — LDI Industries gas engine/pump adapter (MPN 6019) interfaces PEM-G flange engines with SAE A pumps.
Hydraulic tank fabrication — LDI Industries steel return flanges (e.g., MPN 5111) welded onto reservoirs for fluid return ports.
Maintenance replacement — LDI Industries pump motor adapters (e.g., MPN 1960) replace worn or incompatible adapters in existing hydraulic systems.
Industrial automation — LDI Industries adapters (e.g., MPN 1950) used in stationary hydraulic presses and material handling equipment.

LDI INDUSTRIES Products

3G Electric supplies LDI INDUSTRIES vented oil level gauges. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Vented Oil Gauges: 5.98 in Body Ht, 4 1/4 in Sight Ht, 1/4" NPTF Male, 250°F Max. Temp Rating (MPN G307-2). Key specifications — Brand: LDI INDUSTRIES; Compatible with Series: G300 Series; Includes Thermometer: No Thermometer Included; Seal Material: Buna N.
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Vented Oil Gauges: 4.17 in Body Ht, 2 3/4 in Sight Ht, 1/4" NPTF Male, 250°F Max. Temp Rating (MPN G655-2). Key specifications — Brand: LDI INDUSTRIES; Compatible with Series: G650 Series; Includes Thermometer: No Thermometer Included; Seal Material: Buna N.
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Vented Oil Gauges: 4.17 in Body Ht, 2 3/4 in Sight Ht, 1/4" NPTF Male, 250°F Max. Temp Rating (MPN G655-2). Key specifications — Brand: LDI INDUSTRIES; Compatible with Series: G650 Series; Includes Thermometer: No Thermometer Included; Seal Material: Buna N.
Vented Oil Gauges: 5.92 in Body Ht, 4 1/4 in Sight Ht, 1/2" NPTF Male, 250°F Max. Temp Rating (MPN G261-4). Key specifications — Brand: LDI INDUSTRIES; Compatible with Series: G260 Series; Includes Thermometer: No Thermometer Included; Seal Material: Buna N.
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Vented Oil Gauges: 5.92 in Body Ht, 4 1/4 in Sight Ht, 1/2" NPTF Male, 250°F Max. Temp Rating (MPN G261-4). Key specifications — Brand: LDI INDUSTRIES; Compatible with Series: G260 Series; Includes Thermometer: No Thermometer Included; Seal Material: Buna N.
Vented Oil Gauges: 5.67 in Body Ht, 4 1/4 in Sight Ht, 1/4" NPTF Male, 250°F Max. Temp Rating (MPN G657-2). Key specifications — Brand: LDI INDUSTRIES; Compatible with Series: G650 Series; Includes Thermometer: No Thermometer Included; Seal Material: Buna N.
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Vented Oil Gauges: 5.92 in Body Ht, 4 1/4 in Sight Ht, 1/2" NPTF Male, 250°F Max. Temp Rating (MPN G901-4). Key specifications — Brand: LDI INDUSTRIES; Compatible with Series: G900 Series; Includes Thermometer: No Thermometer Included; Seal Material: Buna N.
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Vented Oil Gauges: 9.44 in Body Ht, 7 1/2 in Sight Ht, 1/2" NPTF Male, 250°F Max. Temp Rating (MPN G323-4). Key specifications — Brand: LDI INDUSTRIES; Compatible with Series: G320 Series; Includes Thermometer: No Thermometer Included; Seal Material: Buna N.
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Vented Oil Gauges: 5.98 in Body Ht, 4 1/4 in Sight Ht, 3/8" NPTF Male, 250°F Max. Temp Rating (MPN G307-3). Key specifications — Brand: LDI INDUSTRIES; Compatible with Series: G300 Series; Includes Thermometer: No Thermometer Included; Seal Material: Buna N.
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