GMP-I Single Cartridge Seals

  • Shipping Weight: 0 lbs
  • Style/Model: GMP-I
  • ABS Certified: No
  • ADI/TSE Free: No
  • API 589 Compliant: No
  • API607Compliant: No
  • API622Compliant: No
  • DFARS Compliant: No
  • FDA Compliant: No
  • Fire Safe API 6FB: No
  • KTW Compliant: No
  • NSF® 61 Certified: No
  • REACH Compliant: No
  • RoHS Compliant: No
  • USDA Approved: No
  • USP VI 661 Compliant: No
  • USP VI 87 Compliant: No
  • USP VI 88 Compliant: No

Cost-effective and versatile balanced seal

A single cartridge mounted face seal with a stationary, balanced design for service in higher pressures and higher speeds than typical unbalanced alternatives. The GMP-I is for use in clean general service and moderate abrasive service. It is available in a wide range of materials to accommodate application requirements. Its balanced design allows it to perform in pressure and vacuum service. Repair kits are available for easy repair.


  • Metallurgy: 316SS and Alloy 20
  • Rotary face: Silicon carbide (SA)
  • Stationary faces: Chemical grade carbon; tungsten carbide
  • Springs: Hastelloy C®
  • O-rings: Fluoroelastomer standard (Aflas® and Kalrez® offered as alternatives)
  • Other materials available. Consult Garlock.

Hastelloy C is a registered trademark of Haynes International. Aflas is a trademark of Asahi Glass Company. Kalrez is a registered trademark of DuPont.

  • Overview

Features and Benefits:

  • Preassembled cartridge is easy to install
  • Balanced internal design runs cooler and provides longer seal life
  • Fits standard ANSI pumps — no modification required
  • Rebuild kit available for easy in-field repair and reduced downtime
  • Attached setting clips prevent lost parts or damage to equipment
  • Minimal distance to first obstruction; dimensionally compatible with a wide range of bearing protectors
  • Stationary springs allow better face/seat alignment

Industries Served:

  • Chemical Processing
  • Pulp and Paper
  • Mining
  • Power Generation