O-ring and metal bellows mechanical seals – Products - TREM Engineering

API 682 Standard

Did you know that as per API 682 Standard, O-ring grooves should wide enough to accommodate perfluoroelastomer O-rings even if fluoroelastomer O-rings will be originally installed?

Products

Mechanical seals

O-ring and welded metal bellows mechanical seals

 

Latest generation seals (recommended)

Product Description Designation Suggested Industry
APITERM SD Dual cartridge welded metal bellows mechanical seal, for high temperature applications API 682 Type C, Arrangements 2 and 3 Oil refining, petrochemical, gas producing
APILITE RDT Dual, double-balanced, o-ring mechanical seal Type A, Arrangement 2 and 3 Oil refining, petrochemical, gas producing
50 Series High pressure mechanical seal, single, tandem or double Type A, Arrangement 1, 2 or 3 Oil Producing, oil transportation, oil refining, petrochemical, power generation

 

Single seals for oil and gas applications (recommended)

Product Description Designation Suggested Industry
RO Single cartridge o-ring mechanical seal API 682 Type A, Arrangement 1 Oil transportation, oil refining, oil producing

 

Traditional mechanical seals

Product Description Designation Suggested Industry
SD Dual cartridge welded metal bellows mechanical seal, for high temperature applications API 682 Type C, Arrangements 2 and 3 Oil refining, petrochemical, gas producing
SO Single cartridge welded metal bellows mechanical seal, for high temperature applications API 682 Type C, Arrangement 1 Oil refining, petrochemical
RDT-37 Tandem o-ring mechanical seal API 682 Type A, Arrangement 2 Oil refining, petrochemical, gas producing
RDT-48A Tandem o-ring mechanical seal, for high pressure applications API 682 Type A, Arrangement 2 Oil refining, petrochemical, gas producing
RDU Download PDF file Dual, double-balanced, o-ring mechanical seal Type A, Arrangement 3 and 2 Petrochemical, chemical, pulp and paper
RDD Double o-ring mechanical seal for pumps and mixers API 682 Type A, Arrangement 3 Petrochemical, chemical
SDVT Tandem cartridge welded metal bellows mechanical seal with stationary o-rings, for chemical applications API 682 Type B, Arrangement 2 Petrochemical, chemical, oil refining,

See also:

 

TREM Engineering offers mechanical seals for process pumps with high reliability and an excellent value for money. Within the production range are the following types of mechanical seals as defined by API682 Standard:

  • by Arrangement - Arrangements 1, 2 and 3 (single, tandem, and double)
  • by Type - Types A, B and C (o-ring type with multiple springs, welded metal bellows type with static o-rings, and welded metal bellows type with flexible graphite secondary seals).