Filter Bag Vessel Types and other details
Single Bag Vessels
Bag filter vessels may be used as a side stream or full flow filtration system.
They have two inlet options available. The superior "top entry" inlet style
directs the flow of fluid through the lid directly into the filter bag.
The "top entry" also allows for easier bag change out by avoiding the need
to reach into the vessel and fluid to remove the filter bag. The "side entry"
style is an economic way to achieve the benefits of bag technology.
Duplex Vessels
A duplex vessel consists of two "separate" bag vessels that share the same inlet
and outlet connections. Thus having the capacity to double the flow rate and
filtration surface area by utilizing both vessels simultaneously. Alternatively,
in applications where a continuous flow (without interruptions) is required,
isolation valves are added to direct the flow through one vessel while a bag
change-out is being performed on the other.
Multibag Vessels
A multi-bag filter vessel is used in applications with high flow rates and/or
heavy dirt load. The size of the multi-bag filter vessel will be determined
by the same parameters outlined in the Vessel Application Guide.
Standard multi-bag vessels are manufactured to hold size 2 filter bags and can
range from 3 to 24 bags per vessel.
- Common Materials of Construction
- Carbon Steel
- .304 Stainless Steel
- .316 Stainless Steel
- Exotic Materials of Construction
- Titanium
- Hastelloys
- Alloy 20
- Monel
- Vessel Size: 1,2,3 or 4. See this sizing table.
- Inlet location:
- Top Entry (goose neck)
- Side Entry
- Inlet and Outlet connection:
- Female National Pipe Thread
- Flanged
- Designed to code ASME Sec. V111 Div. 1
- U & UM stamp is available, along with CRN for the province of installation
- Standard rating of 150 PSIG at 225ºF
- Minimum design metal temperature:-20ºF @ 150 PSIG
- Finish
- Blasted and Painted Carbon Steel
- Glass Bead Stainless Steel
- Filter Bag Support Basket of Perforated Plate Stainless Steel Construction with a Dome Bottom
- Self seal plate, factory pre-adjusted bag hold down
- Swing bolt (eye bolt)
- hex nuts of zinc plated carbon steel
- eye nuts of zinc plated carbon steel
- "O" rings
- Buna N
- EPDM material (standard)
- Standard davit lid removal for multi-bag units:
- 3-8 bag units have a threaded lift
- 12+ bag units have a hydraulic jack
- Available custom options:
- Gas assisted spring lift with hinged lid for 3-8 bag units
- V-band single lever closure for stainless steel 3-8 bag units
- Inlet and outlet custom design directions to suit
- Your requirements (low profile design, eliminate a platform)
