MAK-GF4 is the mounted semi-cartridge seal with a single
spring o-ring and push-fit head.
Suitable for Grundfos CR, CRN, and CRI series Pumps
Temperature: -30oC to +200oC
Stationary Ring: Silicon Carbide, TC
Rotary Ring: Carbon, Silicon Carbide, TC
Secondary Seal: NBR, EPDM, Viton
Spring and Metal Parts: Steel