Standard Type 21 Mechanical Seals
(John Crane equivalent)

  • industry-standard mechanical seal

Rotating Seal Face: Carbon
Stationary Seat: Ceramic
Seat Style: Cup

For heavier duty applications, see Type 1 and Type 2 mechanical seals.

For more seal types and materials, click here.

 

Product Description

Elastomer & CCLW #Seat OD (in.)
SIZENBR / BUNAViton(Standard)
3/8"T21-0375CCNT21-0375CCV0.875
1/2"T21-0500CCNT21-0500CCV0.938
5/8"T21-0625CCNT21-0625CCV1.25
3/4"T21-0750CCNT21-0750CCV1.375
7/8"T21-0875CCNT21-0875CCV1.5
1"T21-1000CCNT21-1000CCV1.625
1-1/8"T21-1125CCNT21-1125CCV1.75
1-1/4"T21-1250CCNT21-1250CCV1.875
1-3/8"T21-1375CCNT21-1375CCV2
1-1/2"T21-1500CCNT21-1500CCV2.125
1-5/8"T21-1625CCNT21-1625CCV2.375
1-7/16"T21-14375CCNT21-14375CCV2.062
1-3/4"T21-1750CCNT21-1750CCV2.5
1-7/8"T21-1875CCNT21-1875CCV2.625
2"T21-2000CCNT21-2000CCV2.75
2-1/8"T21-2125CCNT21-2125CCV3
2-1/4"T21-1250CCNT21-1250CCV3.125
2-3/8"T21-2375CCNT21-2375CCV3.25
2-1/2"T21-2500CCNT21-2500CCV3.375
2-5/8"T21-2625CCNT21-2625CCVstandard
2-3/4"T21-2750CCNT21-2750CCVstandard
2-7/8"T21-2875CCNT21-2875CCVstandard
3"T21-3000CCNT21-3000CCVstandard

Additional Information

Variants

T21-0375CCN, T21-0500CCN, T21-0625CCN, T21-0750CCN, T21-0875CCN, T21-1000CCN, T21-1125CCN, T21-1250CCN, T21-1375CCN, T21-1500CCN, T21-1625CCN, T21-14375CCN, T21-1750CCN, T21-1875CCN, T21-2000CCN, T21-2125CCN, T21-1250CCN, T21-2375CCN, T21-2500CCN, T21-2625CCN, T21-2750CCN, T21-2875CCN, T21-3000CCN

    ABOUT US

    CCLW International

    CCLW International is a Canadian maker of quality aftermarket circulator parts, including Bearing Assemblies, Impellers, Repair Kits (shafts, gaskets, etc.), Plates, Brackets, Sealing, Packing and Coupling.

    We are not affiliated with or endorsed by SA Armstrong Ltd, B&G or Taco.
    (905) 212-9661

    Fax: (905) 212-9366

    info@cclwinternational.com