American Coding System

American Coding System

For the American market, Vulcan Seals operates a common American coding system for a simple ordering process.

Following the standard “PS” coding format, common in the North American market, simply use "VS" in place of "PS".

Downloads

Elastomers Primary Ring Metal Parts Mating Ring Springs
B. Buna (Nitrile) A. Bronze D. Brass A. Bronze F. Stainless Steel
N. Neoprene C. Carbon E. Monel® G. Cast Iron E. Monel®
Q. EPR H. Glass Filled P.T.F.E F. Stainless Steel J. Ceramic P. Plated Steel
T. P.T.F.E L. Silicon Carbide P. Plated Steel K. Ni-Resist

OEM Replacement Mechanical Seals

We also manufacture an extensive range of OEM replacement Mechanical Seals.

We focus on eliminating the common issues found in original types through improved design, technology and material compatibility. Further information: OEM Replacement Seals.

Some key OEMs in the North American market we can supply high quality replacement Mechanical Seals for include:

  • ABS®
  • Alfa Laval®
  • Bell & Gossett®
  • Ebara®
  • Fairbanks Morse®
  • Flowserve®
  • Flygt®
  • Fristam®
  • Gorman-Rupp®
  • Goulds Pumps®
  • Grundfos®
  • KSB®
  • Lowara®
  • Peerless Pump®
  • Taco®
  • Paco®

Standard Mechanical Seal Head Types

Head Style A Type 65

Equivalent:

  • US Seal® Type A
  • Pac Seal® Type 16
  • John Crane® Type 6
  • Apex® Type 6
Head Style B Type 75

Equivalent:

  • US Seal® Type B
  • Pac Seal® Type 68
  • John Crane® Type 6A
  • Apex® Type 6A
Head Style C - Inserted Face Type U11

Equivalent:

  • US Seal® Type C
  • John Crane® Type 21
  • Apex® Type A21
Head Style C - Crimped Face Type N11

Equivalent:

  • US Seal® Type E
  • Pac Seal® Type 51
  • John Crane® USA Type 1
  • Apex® Type A1
Head Style D Type A4

Equivalent:

  • US Seal® Type D
  • John Crane® USA Type 2
  • Apex® Type A2
Head Style E Type A5

Equivalent:

  • US Seal® Type E
  • Pac Seal® Type 51
  • John Crane® USA Type 1
  • Apex® Type A1
Head Style G Type 14 / 15 / 19

Equivalent:

  • US Seal® Type G
  • John Crane® Type 2100
  • Burgmann® Type MG1
Head Style H Type 18

Equivalent:

  • US Seal® Type VGMA
  • Pac Seal® Type 17 or 118
Head Style I Type 1724

Equivalent:

  • US Seal® Type I
  • Pac Seal® Type 250
  • John Crane® Type 502
Head Style J Type 8

Equivalent:

  • US Seal® Type VGME-2 / VGME-3
  • Pac Seal® Type 37
  • Burgmann® Type M32N
Head Style K Type 112

Equivalent:

  • US Seal® Type K
  • John Crane® Type 21 Double
  • Pac Seal® Type 21D
Head Style Q Type 282

Equivalent:

  • US Seal® Type Q
  • John Crane® Type 11Ae
  • Pac Seal® Type 40
Head Style R Type A42

Equivalent:

  • US Seal® Type R
  • John Crane® Type 2
Head Style T Type A52

Equivalent:

  • US Seal® Type T
  • John Crane® Type 1 Double
  • Pac Seal® Type 51D
Head Style U Type A1

Equivalent:

  • US Seal® Type U
  • John Crane® UK Type 1
  • Pac Seal® Type 300
Head Style W Type 1609 / 1645

Equivalent:

  • US Seal® Type W & WT
  • John Crane® Type 9 & 9T
  • Pac Seal® Type 9
  • Apex® Type A9T
Head Style X Type 1609S /1645S

Equivalent:

  • US Seal® Type X & XT
  • John Crane® Type 8-1 & 8-1T
  • Pac Seal® Type 8
  • Apex® Type A8T
Head Style Y Type 1677

Equivalent:

  • Burgmann® Type M7N
  • Pac Seal® Type 167
  • Apex® Type AM7N

Standard Mechanical Seal Head Types

Stationary Style 1 Type 11

Equivalent:

  • US Seal® Type 1 / 2
  • John Crane® Type N
  • Pac Seal® Type 1
  • Apex® Type Cup Mount
Stationary Style 3 Type 31

Equivalent:

  • US Seal® Type 3
  • John Crane® Type W
  • Pac Seal® Type 2
  • Apex® ‘O’-Ring Groove
Stationary Style 5 Type 32

Equivalent:

  • US Seal® Type 5
  • John Crane® Type P
  • Pac Seal® Type 3P
Stationary Style 9 Type 73

Equivalent:

  • US Seal® Type 8 & 9
  • Pac Seal® Type 9
Stationary Style 10 Type 8DINL

Equivalent:

  • US Seal® Type VGSG9
  • Pac Seal® Type G9
  • Burgmann® Type G9
Stationary Style 11 Type 8DINS

Equivalent:

  • US Seal® Type VGSG6
  • Pac Seal® Type G6
  • Burgmann® Type G6
Stationary Style 12 Type 19B

Equivalent:

  • US Seal® Type VGM-G60
  • Pac Seal® Type B9
  • Burgmann® Type G60
  • Apex® Type G60
Stationary Style 25 Type 23

Equivalent:

  • US Seal® Type 25
  • Pac Seal® Type 5A
  • John Crane® Type A
Stationary Style 27 Type 25

Equivalent:

  • US Seal® Type 27
  • Pac Seal® Type 5V
  • John Crane® Type V