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US ARO-SP (Pusher Seal for Pumps, Single Seal, Balanced Design)

ISO 9001:2015 Tested
US ARO-SP (Pusher Seal for Pumps, Single Seal, Balanced Design)
PDF Datasheet
Precision Mechanical Seal

US ARO-SP (Pusher Seal for Pumps, Single Seal, Balanced Design)

The US ARO-SP seals are specialized seals designed for handling high-pressure slurry and contaminated media applications. These seals feature a unique construction that minimizes the risk of clogging or hang-ups, thanks to the use of a single helical coil spring, which extends the service life in demanding slurry conditions.

With a streamlined design, these seals are easy to install and maintain, offering straightforward service. Designed with inventory efficiency in mind, this seal series supports stock optimization and reduces storage complexity.

Pressure Up to 25 bar
Temperature -40°C to +260°C
Shaft Size 14mm - 100mm+
Speed Up to 3000 RPM
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Key Design Features

  1. Independent of direction of rotation

  2. Helical coil spring for clogging type applications

  3. Back-up ring design to avoid extrusion at high pressure

  4. PTFE Wedge secondary sealing available for universal chemical compatibility

Operating Range & Limits

  1. Pressure: 10KG

  2. Size: 20mm to 200mm

  3. Temp: Upto 150°C

  4. Speed: 2400 rpm

Materials of Construction

  1. Suspended solid slurry

  2. Saturated chemical slurry

  3. General chemical slurry

  4. Water & Waste water treatment

  5. Sludge

  6. Paper & Pulp industry

Quality & Inspection Assurance

Manufacturing Standards & Quality Inspection

Every mechanical seal is manufactured with optical-grade precision at our Mohan Nagar, Ghaziabad facility.

ISO 9001:2015 Certified

Manufactured in strict adherence to international quality management and material traceability.

Monochromatic Light Inspection

100% seal faces verified with optical flats under helium light (< 2 light bands flatness).

Hydrostatic Testing

Hydrostatically pressure-tested to 1.5x working pressure for zero operational leakage.

24-48 Hr Fast Dispatch

Emergency breakdown dispatch across Delhi NCR, Gujarat, Maharashtra, and worldwide.

Engineering FAQ

US ARO-SP (Pusher Seal for Pumps, Single Seal, Balanced Design) - Frequently Asked Questions

1. What are the primary applications of the US ARO-SP pusher mechanical seal?

The US ARO-SP is a single balanced pusher mechanical seal designed for demanding industrial process pumps, refineries, chemical transfer lines, and light slurry handling where reliable, non-clogging operation is vital.

Hydraulic balancing lowers net face loading under elevated pressures, minimizing frictional heat generation and wear. This extends seal face life and prevents fluid flashing or vaporization at the seal interface.

Standard face combinations include Silicon Carbide vs Silicon Carbide, Tungsten Carbide vs Carbon, and Ceramic. Secondary seals are available in FKM (Viton), EPDM, PTFE, and FFKM (Kalrez) depending on fluid compatibility.

We manufacture US ARO-SP seals for shaft diameters ranging from 20 mm to 100 mm, with imperial inch sizes custom-machined on request.

Direct Factory Quotation

Request Quotation & Technical Fitment

Share your equipment specifications. Our engineering team will recommend the optimal seal metallurgy, face pairings, and provide a formal price quote within 2 business hours.

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