WTBF40/85-SB Stainles steel bag filter housing with stud bolt and removable cover


WTBF-40/85-SB stainless steel bag filter housings with stud bolt and removable cover are manufactured in two sizes. The two assembly sizes range from 0.25 m2filter surface in the small version WTBF40 SB up to 0.5 m2 filter surface in the large version WTBF85 SB. There is a pressure basket within the housing made of stainless steel mesh and a spring-supported press-on device to retain and seal the filter bags. An important characteristic of the WTBF SB bag filter housings is that the length, type and size of the inlet and outlet connections are variable and are only manufactured on request of the client. As accessories for all versions a tripod as well as a volume reducer can also be delivered.

Technical Data


Housing: Stainless steel 1.4571
Basket: Stainless steel 1.4401
O-Ring: Viton, Viton FEP-encapsulated


Size, type and location according to customer specification


¼“ internal thread


1“ external thread (non-applicable for version “SU”)

Filter bag

See table


Stainless steel 1.4571

Differential pressure

Max. 3.5 bar


Max. 10 bar


Max. 95ºC (sterilisation 150ºC) with PP Filter bag max. 70ºC due to filter bag material

Flow rate

The maximum flow rate correlates to the nominal diameter of the housing connection and the characteristic curve of the flow rate of the chosen filter element.

Features and Benefits

  • Bag filter housings made of stainless steel with stud bodt removable cover
  • Two assembly sizes with 0.25 m2 and 0.5 m2 filter area
  • Location, type and size of in- and outlet according to customer specification
  • Pressure basket made of stainless steel mesh
  • Spring-assisted press-on device made of stainless steel
  • Can be delivered with tripod or volume reducer


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