CBV Concave-cover Single-bag Filter Housing
The concave cover helps liquid settle back during opening, supporting a cleaner and more comfortable bag-change routine.
CBVThe gallery shows different views and construction details from this series.
Product overview
A concave-cover single-bag filter housing reviewed by connection and nozzle arrangement.
The concave cover helps liquid settle back during opening, supporting a cleaner and more comfortable bag-change routine.
- Series
- CBV
- Selection priorities
- Fluid compatibility, body material, temperature, pressure, connections, installation space and maintenance
Working principle
CBV retains particles in one bag, with the housing, support basket and bag seal forming the filtration path.
Construction & flow path
The concave cover is this series' distinguishing construction. Match pipe orientation, bag size and seals to the specific model.
Applications & filtration duty
For process liquids requiring periodic bag replacement, considering both change frequency and residual-liquid handling.
Technical parameters
Use these specifications for selection. Materials, dimensions and operating conditions follow the selected model and agreed specification.
Materials & construction
- Body materials
304 stainless steel; 316 stainless steel option.
- Cover construction
Concave cover with multiple locking bolts.
- Seal construction
One housing sealing ring; select the seal material against fluid compatibility, temperature and the specific model.
Filtration specifications
- Bag quantity and size
One bag; 11 denotes Size 1 and 12 denotes Size 2.
Operation & maintenance
- Pressure-grade options
7 / 10 / 20 Bar grade options; confirm design and operating pressure for the specific model.
Connections & installation
- Inlet and outlet connections
2 / 3 in NPT or flanged connections; confirm the flange standard, class and actual size against the model.
- Flow arrangement
Side-in / side-out on the same or different sides, or side-in / bottom-out; follow the approved drawing.
Configuration & supply scope
- Ordering example and fields
CBV12-304-10-DN50-2: one Size 2 bag / 304 / 10 Bar grade / DN50 / layout 2; confirm the actual configuration.
- Nozzle layouts
Layouts 1–15; the ending number denotes the nozzle layout. Layout 2 is side-in / bottom-out. Layouts 12–15 include a return pipe; confirm direction from the drawing.
Selection information
- Operating temperature, flow, dimensions and seal grade
Model and configuration notes
Series + bag quantity/size + material + pressure-grade field + connection + nozzle layoutIn the BV system, the last core digit identifies bag size and the preceding digits identify quantity; check pressure class for the specific model and order specification.
Nozzle layout reference 1–15
Compare inlet and outlet directions to plan the connection to your pipework.
Opposite sides · level
Side in · bottom out
Side in · right elbow
Twin bottom ports
Bottom in · upper right
Opposite sides · high to low
Bottom in · upper left
Same side · high to low
Top in · bottom out
Top in · left elbow
Top in · lower right
Side in · return pipe
With return pipeOutlet defined by designRight in · bottom out
With return pipeSide in · lower left
With return pipeSide in · left elbow
With return pipe
View the product sheetReview specifications, ordering options and construction diagrams for your application.

Information to prepare for an inquiry
Use this family’s selection priorities to share available operating conditions, equipment information or drawings.
- Provide fluid, solids load and target rating.
- Check cover opening direction and service clearance.
- Confirm the bag, basket and ring seal.
Operation & maintenance
Before opening, replacing elements or disassembly, stop and isolate under the equipment procedure, depressurize, drain and confirm zero pressure. Open only after confirming zero pressure. Clean the concave cover, seal groove and bag-ring seat before reassembly.
Common operating inputs
- Fluid and major composition
- Target flow and operating pattern
- Operating temperature and pressure
- Contaminant form and target rating
- Material, connection and space constraints
- Maintenance frequency and existing equipment
Discuss this product’s configuration
Share the fluid, operating and installation conditions to review suitable specifications.
Products can be configured around the actual duty. Final specifications follow the quotation, drawing or technical agreement confirmed by both parties.
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