Products
Mechanical Seals - 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".
American Mechanical Seal Material Codes
| 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 | |
| V. Viton™ | M. Molded Plastic | L. Silicon Carbide | ||
| X. Aflas® | R. Silicon Carbide (CVR) | O. Stellite® | ||
| Y. Kalrez® | S. Tooled Steel | S. Tooled Steel | ||
| Z. Tungsten Carbide | Z. Tungsten Carbide |
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
Type 65
Equivalent:
US Seal® Type A
Pac Seal® Type 16
John Crane® Type 6
Apex® Type 6
Type 75
Equivalent:
US Seal® Type B
Pac Seal® Type 68
John Crane® Type 6A
Apex® Type 6A
Type U11
Equivalent:
US Seal® Type C
John Crane® Type 21
Apex® Type A21
Type N11
Equivalent:
US Seal® Type E
Pac Seal® Type 51
John Crane® USA Type 1
Apex® Type A1
Type A4
Equivalent:
US Seal® Type D
John Crane® USA Type 2
Apex® Type A2
Type A5
Equivalent:
US Seal® Type E
Pac Seal® Type 51
John Crane® USA Type 1
Apex® Type A1
Type 14 / 15 / 19
Equivalent:
US Seal® Type G
John Crane® Type 2100
Burgmann® Type MG1
Type 18
Equivalent:
US Seal® Type VGMA
Pac Seal® Type 17 or 118
Type 1724
Equivalent:
US Seal® Type I
John Crane® Type 502
Pac Seal® Type 250
Type 8
Equivalent:
US Seal® Type VGME-2 / VGME-3
Pac Seal® Type 37
Burgmann® Type M32N
Type 112
Equivalent:
US Seal® Type K
John Crane® Type 21 Double
Pac Seal® Type 21D
Type 282
Equivalent:
US Seal® Type Q
John Crane® Type 11A
Pac Seal® Type 40
Type A42
Equivalent:
US Seal® Type R
John Crane® Type 2 Double
Type A52
Equivalent:
US Seal® Type T
John Crane® Type 1 Double
Pac Seal® Type 51D
Type A1
Equivalent:
US Seal® Type U
John Crane® UK Type 1
Pac Seal® Type 300
Type 1609 / 1645
Equivalent:
US Seal® Type W & WT
Pac Seal® Type 9
John Crane® Type 9 & 9T
Apex® Type A9T
Type 1609S /1645S
Equivalent:
US Seal® Type X & XT
Pac Seal® Type 8
John Crane® Type 8-1 & 8-1T
Apex® Type A8T
Type 1677
Equivalent:
Burgmann® Type M7N
Apex® Type AM7N
Pac Seal® Type 167
Standard Mechanical Seal Stationary Ring Types
Type 11
Equivalent:
US Seal® Type 1 / 2
John Crane® Type N
Pac Seal® Type 1
Apex® Type Cup Mount
Type 31
Equivalent:
US Seal® Type 3
John Crane® Type W
Pac Seal® Type 2
Apex® ‘O’-Ring Groove
Type 32
Equivalent:
US Seal® Type 5
John Crane® Type P
Pac Seal® Type 3P
Type 73
Equivalent:
US Seal® Type 8 & 9
Pac Seal® Type 9
Type 8DINL
Equivalent:
US Seal® Type VGSG9
Burgmann® Type G9
Pac Seal® Type G9
Type 8DINS
Equivalent:
US Seal® Type VGSG6
Burgmann® Type G6
Pac Seal® Type G6
Type 19B
Equivalent:
US Seal® Type VGM-G60
Burgmann® Type G60
Pac Seal® Type B9
Apex® Type G60
Type 23
Equivalent:
US Seal® Type 25
John Crane® Type A
Pac Seal® Type 5A
Type 25
Equivalent:
US Seal® Type 27
John Crane® Type V
Pac Seal® Type 5V
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