SEAL PS-394 PUMP SEAL AA1-1 PS394

Description:

The US SEAL PS-394 Pump Seal is used in pump sealing systems to prevent fluid leakage and maintain reliable operation in rotating equipment applications. Commonly installed in industrial pumps, HVAC systems, water transfer equipment, and fluid handling applications requiring dependable shaft sealing performance under continuous service conditions. Maintenance teams, pump service technicians, and facility personnel use this component for replacement and repair projects to restore sealing integrity, reduce leakage, and support uninterrupted equipment operation.

Applications:

The US SEAL PS-394 Pump Seal is used in industrial environments requiring effective fluid containment and dependable pump performance. It supports water handling systems, HVAC equipment, and process pumping applications where maintaining shaft sealing efficiency is essential for minimizing downtime and protecting critical equipment components. The seal is also utilized during preventive maintenance activities involving the servicing and replacement of worn sealing elements in rotating equipment.

Technical Specifications:

• Manufacturer Part Number (MPN): PS-394
• Brand: US SEAL
• Product Type: Pump Seal
• Alternate Reference: AA1-1
• Seal Type: Mechanical Pump Seal
• Shaft Size: 1-1/4 in
• Head Type: U (Equivalent to John Crane Type 1 with Spring Adapter)
• Mating Ring Bore: 1.875 in
• Primary Ring Material: Carbon
• Mating Ring Material: Ni-Resist
• Secondary Seal Material: Buna
• Metal Parts Material: Stainless Steel / Brass
• Spring Material: Stainless Steel
• Function: Fluid leakage prevention and shaft sealing
• Application: Pump sealing systems

Common Replacements:

• John Crane Type 1 Mechanical Seal
• Flowserve Type 1 Mechanical Seal
• AESSEAL Type 1 Mechanical Seal