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  • Refinery & Petrochemical industry
  • Oil & gas industry
  • Chemical industry
  • Power plant technology
  • Process pumps
  • Hydrocarbons (light and heavy)

API 682 Category 2 & 3, Type A, Arrangement 1. Type V5B 16D is reliable, High performance, balanced single cartridge pusher-type seal with floating or segmented throttle bushing, independent of the shaft rotating direction.

Designed to seal fluids in most refinery applications like crude oil products, aromatic fractionati¬on product, chemicals…

Operating range:

  • Shaft diameter: D1 = 20…120mm
  • Pressure: pi = 40 bar
  • Temperature: t = -40°C.. .+260°C
  • Sliding velocity: vg = 23m/s


API 682 Category 2 & 3, Type A, Arrangement 1
Easy-to-install single cartridge design
Multiple springs
Independent of the shaft rotating direction
Floating or segmented spring-loaded carbon throttle bushing
Integrated pumping ring available


Seal face: Carbon antimony impregnated, SiC
Stationary seat: SiC, TC
Secondary seal: NBR, EPDM, FKM, FFKM
Spring: 1.4571, Hastelloy C
Metal Parts: 316L
Optional materials on request

If you have any questions or concerns about the product, please feel free to call or send us a message.