U.S. Seal PS-237 Pump Seal, 1-3/4 Shaft, 2-3/4 Shaft OD, Buna-N

Product Description

The U.S. Seal PS-237 is a cup mounted pump seal designed for high performance and durability. This pump seal fits shafts with a diameter of 1.75 inches. It has an outside diameter of 2.75 inches. This seal uses Buna-N material, which is known for its resistance to wear and various fluid types. The PS-237 features a D head type design for easy installation.

• Buna-N material construction for enhanced durability
• Temperature rating of minus forty to four hundred degrees Fahrenheit
• Pressure rating up to 350 psi

Product Highlights

The U.S. Seal PS-237 has a self-adjusting elastomer bellows that compensates for shaft end play and face sealing wear. This feature minimizes friction and extends the service life of the seal.

Product Information

Standard Information

• Brand: U.S. Seal Mfg.
• Part Number: PUMUS237

Technical Specifications

• Shaft Size: 1.75 inches
• Outside Diameter: 2.75 inches
• Seat Bore: 2.5 inches
• Dimensions: 0.5 inches T x 1.375 inches H Operating
• Pressure Rating: 350 psi
• Temperature Rating: 400 °F
• Material: Buna-N
• OEM ID: PUMUS237