4WTBF 4-part Bag Filter Housing with hinged cover and encased spring assembly


4WTBF 4-part Bag Filter housings made from stainless steel are supplied with a hinged cover and an encased spring assembly. The spring assembly is adjus-ted that way that the hinged cover can be opened and closed easily. For filter exchange or maintenance and inspection the cover can be fixed additionally in its stop position. The intermediate plate for the wire-mesh supporting baskets and the sealing-crosses for four filter bags is located inside of the filter housing.

The bag-adaption of the 4WTBF-Bag Filter Housings Type „W“ is constructed that way, that WFB-Filter bags as well as non-company filter bags with higher collar rings can be installed. Mesh lined strainer baskets, LUPUS®II-elements or magnet inserts are additional installation options for 4WTBF-Bag Filter Housings Type „W“. The connections for inlet and outlet can be delivered in different nominal sizes and terminations and the location of the nozzles can be adjusted according to the on-site needs. Accessories like drain valves, vents, volume reducers and Pressure gauges can be supplied.

Technical Data


Housing: stainless steel 1.4301 (AISI304)
Basket: stainless steel 1.4401 (AISI316)
O-Rings: Viton (Viton-FEP-encapsulated, EPDM, Silicone, Buna)

In- / Outlet

DN100. (size, location and termination adjustable to on-site needs)


2 x ½“ internal threads


1“ internal thread

Filter bags

4 x size 2, 180 x 813mm


stainless steel 1.4301 (AISI304)

Differential pressure

max. 3.5 bar


max. 10bar


max. 95°C
With PP-filter bags max. 70°C, because of bag material

Flow rate

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

Features and Benefits

  • 4-part Bag Filter Housing for filter bags size 2
  • With hinged cover and encased spring assembly
  • Hinged cover can be opened and closed easily
  • Supporting basket made of wire-mesh (Type „W“)
  • bag-adaption for WFB-Filter bags or non company bags
  • Installation options are mesh-lined strainer baskets, LUPUS®II-elementes or magnet inserts (Type „W“)
  • Nominal size, location and termination of connections adjustable to on-site needs


You have a question?