Mechanical seals

H75VA4-S H75VA4-S
  • API 682 Category 2 and 3, Type A, Arrangement 1 seal
  • Single seal
  • Balanced
  • Cartridge unit
  • Bi-directional design
  • Rotating multiple springs
  • Integrated pumping device available
LY9TCR LY9TCR
  • API 682 Category 2 and 3, Type C seal
  • Balanced
  • Cartridge unit
  • Rotating metal bellows
  • Shrink fitted seal rings and solid mating rings
LL9UC LL9UC
  • API 682 Category 2 and 3, Type A, Arrangement 1 seal
  • Single seal
  • Balanced
  • Cartridge unit
  • Rotating multiple springs
  • Solid seal faces
LY9TCS LY9TCS
  • API 682 Category 2 and 3, Type C seal
  • Balanced
  • Cartridge unit
  • Stationary metal bellows
  • Shrink fitted seal rings and solid mating rings
H75A4-T H75A4-T
  • API 682 Category 2 and 3, Type A, Arrangement 2 and 3 seal
  • Dual seal in face-to-back arrangement
  • Balanced
  • Cartridge unit
  • Rotating multiple springs
  • Integrated pumping device
  • Suitable for pressure reversals
LL9DTUU LL9DTUU
  • API 682 Category 2 and 3, Type A, Arrangement 2 or 3 seal
  • Dual seal in face-to-back arrangement
  • Same seal size on inboard and outboard seal
  • Balanced
  • Cartridge unit
  • Rotating multiple springs
  • Solid seal faces
H75A4-C H75A4-C
  • API 682 Category 2 and 3, Type A, Arrangement 2 seal
  • Dual seal in face-to-back arrangement
  • Non-contact outer seal (containment seal)
  • Balanced
  • Cartridge unit
  • Rotating multiple springs
LL9DTUE LL9DTUE
  • API 682 Category 2 and 3, Type A, Arrangement 2 seal
  • Dual seal in face-to-back arrangement
  • Dry contact outer seal (containment seal)
  • Balanced
  • Cartridge unit
  • Solid seal faces
H75LG4-C H75LG4-C
  • API 682 Category 2 und 3, Type A, Arrangement 2 seal
  • Dual seal in face-to-back arrangement
  • Cartridge unit
  • Rotating multiple springs
  • Dry non-contact outer seal (containment seal)
LY9SA LY9SA
  • API 682 Category 2 and 3, Type B, Arrangement 1 seal
  • Single Seal
  • Balanced
  • Cartridge unit
  • Rotating metal bellows
  • Shrink fitted seal ring and solid mating ring
H75A4-B H75A4-B
  • API 682 Category 2 and 3, Type A, Arrangement 3 seal
  • Dual seal in back-to-back arrangement
  • Balanced
  • Cartridge unit
  • Rotating multiple springs
  • Integrated pumping device
  • Suitable for pressure reversals
LY9DTSS LY9DTSS
  • API 682 Category 2 and 3, Type B, Arrangement 2 and 3 seal
  • Dual seal in face-to-back arrangement
  • Same seal size of inboard and outboard seal
  • Balanced
  • Cartridge unit
  • Rotating metal bellows
  • Shrink fitted seal rings and solid mating rings
LL9DKUU LL9DKUU
  • API 682 Category 2 and 3, Type A, Arrangement 3 seal
  • Dual seal in back-to-back arrangement
  • Same size of inboard and outboard seal
  • Balanced
  • Cartridge unit
  • Rotating multiple springs
  • Solid seal faces
LY9DZSS LY9DZSS
  • API 682 Category 2 and 3, Type B, Arrangement 3 seal
  • Dual seal in back-to-back arrangement
  • Same seal size of inboard and outboard seal
  • Balanced
  • Cartridge unit
  • Rotating metal bellows
  • Shrink fitted seal rings and solid mating rings
CGSH-KD CGSH-KD
  • API 682 Category 2 and 3, Type A, Arrangement 3 seal
  • Dual seal in back-to-back arrangement
  • Cartridge unit
  • Independent of direction of rotation
    (with U-grooves)
  • Gas-lubricated
  • Contact free operation, no friction
  • Rotating multiple springs
LEK777 LEK777
  • API 682 Category 2 and 3, Type A, Arrangement 1 seal
  • Single seal
  • Balanced
  • Cartridge unit
  • Stationary multiple springs
  • Solid seal faces
SH SH
  • API 682 Category 2 and 3, Type A, Arrangement 1 seal
  • Single seal
  • Balanced
  • Cartridge unit
  • Stationary multiple springs
  • Shrink-fitted seal ring
  • Solid mating ring
LL9DJUU LL9DJUU
  • API 682 Category 2 and 3, Type A, Arrangement 2 and 3 seal
  • Dual seal in face-to-back arrangement
  • Same size of inboard and outboard seal
  • Balanced
  • Cartridge unit
  • Stationary multiple springs
  • Solid seal faces
LL9DJUE LL9DJUE
  • API 682 Category 2 and 3, Type A, Arrangement 2 seal
  • Dual seal in face-to-back arrangement
  • Dry contact outer seal (containment seal)
  • Balanced
  • Cartridge unit
  • Stationary multiple springs
  • Solid seal faces
LL9DSUU LL9DSUU
  • API 682 Category 2 and 3, Type A, Arrangement 3 seal
  • Dual seal in face-to-face arrangement
  • Same size of inboard and outboard seal
  • Balanced
  • Cartridge unit
  • Stationary multiple springs
  • Solid seal faces
SH-D SH-D
  • API 682 Category 2 and 3, Type A, Arrangement 3 seal
  • Dual seal in face-to-face arrangement
  • Balanced
  • Cartridge unit
  • Stationary multiple springs
  • Shrink-fitted seal rings
  • Rugged mating rings
HRGS-DD HRGS-DD
  • API 682 Category 2 and 3, Type A, Arrangement 3 seal
  • Dual seal in face-to-back arrangement
  • Gas-lubricated
  • Balanced
  • Cartridge unit
  • Independent of direction of rotation
  • Stationary springs
  • Contact free operation, no friction
LNF992 LNF992
  • API 682 Category 2 and 3, Type A, Arrangement 3 seal
  • Dual seal in face-to-back arrangement
  • Gas-lubricated
  • Balanced
  • Cartridge unit
  • Stationary multiple springs
  • Independent of direction of rotation
  • Solid seal faces
RGS-D RGS-D
  • API 682 Category 2 and 3, Type A, Arrangement 3 seal
  • Dual seal in back-to-back arrangement
  • Gas-lubricated
  • Balanced
  • Cartridge unit
  • Independent of direction of rotation
  • Stationary spring on process and atmospheric side
  • Contact free operation, no friction
APItex-S APItex-S
  • API 682 Category 1, Type A, Arrangement 1 seal
  • Single seal
  • Balanced
  • Cartridge unit
  • Independent of direction of rotation
  • Solid seal face
  • Solid seat
APItex-T APItex-T
  • API 682 Category 1, Type A, Arrangement 2 or 3 seal
  • Dual seal in face-to-back arrangement
  • Balanced
  • Cartridge unit
  • Independent of direction of rotation
  • Solid seal faces
  • Solid mating rings
API 682 4th edition
API 682 4th edition
API piping plans
API piping plans

Get a condensed overview of all piping plans established by the API 682 4th edition guidelines...

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