Koshin 0111153 Mechanical Seal for G L-40-5, GL-40-10, GL-50-5, GL-50-10,  SE-100.

The 0111153 Mechanical Seal is the "heart" of the pump's leak protection system. For high-performance Koshin units like the GL and SE series, this component is the difference between a functional pump and a flooded engine

Product Overview

The 0111153 Mechanical Seal is a precision-engineered sealing solution designed specifically for Koshin’s heavy-duty centrifugal and gear pump series. This seal sits on the drive shaft between the pump casing and the motor/engine, providing a watertight barrier that prevents fluid from leaking into the power source.

Key Functions

• Leak Prevention: Maintains a high-pressure seal around the rotating shaft, ensuring 100% fluid containment within the pump chamber.

• Friction Reduction: Designed with high-grade carbon/ceramic or silicon carbide faces to minimise heat buildup and wear during high-RPM operation.

• System Pressure Maintenance: Ensures the pump maintains its prime by preventing air from entering the system through the shaft assembly.

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Technical Compatibility

This seal is a direct OEM replacement for the following Koshin models:

• GL Series (High-Pressure Gear Pumps):

  • GL-40-5 / GL-40-10

  • GL-50-5 / GL-50-10

• SE Series (High-Volume Centrifugal Pumps):

  • SE-100 (4-inch Trash/Semi-Trash Pumps)

Product Identification Data (EAN)

• EAN / GTIN-13: 4971770011533

• Part Number: 0111153

• Brand: Koshin Ltd. Japan

Application & Industry Use

Because this seal is used in both the GL (Gear) and SE (Centrifugal) series, it is found in:

• Agriculture: Irrigation and liquid fertiliser transfer (SE-100).

• Industrial Oil Transfer: Pumping low-viscosity oils and fuel (GL Series).

• Construction: Heavy-duty dewatering and site drainage.

• Marine: Bilge pumping and deck wash-down systems.

Oil pump GEAR PUMP GL-40/50 has the same accuracy as a high-performance hydraulic pump.  Best suited to force-feed to marine engine and endine lubrication.

"GEAR PUMPS" Suitable for Low Viscosity Oil. This HEAVY DUTY Koshin product has a simple gear mechanism in combination with a light-weight, compact design and super reliability. You can use your own mechanical coaxial drive from a combustion engine or an electric motor with 1500-1800 rpm and a power range of 2.2 kW. The body of the KOSHIN pump GL-series has a safety bypass function.

Application

• Kerosine
• Machine oil
• Heavy oil
• Light oil