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PTFE Joint sealant

Single Spring Seals

  • Type E1 shaft Seal
    ASP Type E
  • type D2 pump seal
    ASP Type D
  • Type c21 single spring seals
    ASP Type C

We specialize in single spring mechanical pump shaft seals for rotary / centrifugal pump applications. It's easy to replace your pump seals if you know what they are. If you do not have a pump seal number such as PS-100, you can identify what kind of seal you have, by comparing your mechanical seal components to the drawings at https://www.usseal.com/springseals.htm

If you want to use our search box on our index page www.sealsales.com, you can enter a -xxxx (your part number with a dash in front) and it will take you directly to the page with your seal on it.

Equals of: Roten, Crane, Burgman and U.S. Seal equals (ours are Stainless Steel).

ASP Equivalent Pump Seal Styles:

Type E = Type 1
Type D =  Type 2
Type C  =  Type 21

spring seal
ASP Type -A

flanged spring seal
ASP Type - B

Equivalent Styles:

Type A =  Type 6
Type B =  Type 6A

ASP Single Spring Styles are Interchangeable to Pac-seal and "Industry Standard" Seals.

If you know the dash number of the
single spring seal you want choose it below

ASP Type - 1 & lB Single Spring Seals

Characteristics: Single coil spring, can have stamped/machined parts. Rubber bellows drive with drive band, rotating face may be various materials. Stamped version is less inexpensive than machined/industrial seal; unbalanced as an ASP-T-1, balanced as a ASP-T-113, fully repairable.

ASP Type-2 & 2B Single Spring Seals

Characteristics: Single coil spring, can have stamped/machined metal parts. Rubber bellows drive with drive band and carbon rotating face. Coil spring fits over the retainer, low cost in stamped version, Single Spring Seal, unbalanced as a ASP-T-2, balanced as a ASP-T-2B, fully repairable. This uses a short working length, highly accommodating & reliable, rubber diaphragm balanced Single Spring Seal which provides enhanced seal capability, performance and life.

ASP Type - 21 Single Spring Seals

Characteristics: Single coil spring, stamped metal parts, rubber bellows drive with drive band, carbon rotating face, short operating height, low cost industrial seal usually a throwaway, limited repairs, unbalanced.

ASP Type - 6 Single Spring Seals

Characteristics: Single coil spring Seal, stamped metal parts, external rubber bellows and square rubber drive ring. Molded plastic rotating face (carbon available), low cost, produced in high volume, throwaway seal not repairable and is unbalanced.


To determine the seal you require by shaft size and material, 
click here !


If you need help call us at 714-593-9780 or Fax 714-593-9701

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