Liquid filter cartridges and housings made in Jiangyan, Taizhou since 2009[email protected]+8618051183600
Finished high flow filter cartridges on the production floor

Home/Products/Filter Housings/SQH Quick Open Multi Bag Filter Housings

SQH Quick Open Multi Bag Filter Housings

SQH multi bag filter housing with quick open hand wheel, up to 23 #2 bags, 150 psi max pressure. Flanged, SS304 or SS316L, polished or sand blast fini

Overview

What The SQH Quick Open Multi Bag Does In Your Line

SQH is a quick open multi bag filter housing with a hand wheel operated closure that allows single hand operation and self-balancing open angles. It is designed for frequent bag change-out in high flow applications. The housing accepts up to 23 standard #2 filter bags and features flanged inlets and outlets with polished or sand blast finish. It is dimensionally compatible with standard bag filter housings and fits into existing skids without modification.

Category: Filter Housings · Industries: Pharmaceutical And Life Science Chemical And Coatings Plants Food And Beverage Plants

Labelled schematic of the SQH Quick Open Multi Bag Filter Housings showing construction and connection detail
Key Benefits

Why Buyers Pick This Element

  • Quick open closure with single hand operation reduces change-out time
  • Self-balancing door opens to any angle for easy access and safe positioning
  • High bag capacity up to 23 pieces #2 bags for high flow and high dirt load duty
  • Flanged inlet and outlet for easy piping integration and system compatibility
  • Polished or sand blast finish for surface cleanliness and corrosion resistance
  • Designed for frequent bag changes without compromising seal integrity or safety
Who It Is For

Buyers Who Specify This Cartridge

  • Plant engineers managing high-frequency bag filter change-out schedules
  • Procurement teams replacing legacy bag housings with faster, more ergonomic models
  • System integrators specifying quick open housings for new filtration skids
  • Distributors offering drop-in replacements for standard multi bag filter housings
Problems It Solves

What It Fixes On The Line

  • Traditional armed lifting closures require two hands and are slow to open and close
  • Fixed-angle doors limit access and increase risk during bag change-out
  • Housings with low bag capacity force frequent change-outs or larger skid footprint
  • Poor surface finish leads to particle shedding or contamination in sensitive processes
  • Lack of ergonomic design increases operator fatigue during routine maintenance
Technical Features

Construction Detail

  • Quick open hand wheel closure with self-balancing mechanism
  • Single hand operation for safe and efficient door opening and closing
  • Accepts up to 23 standard #2 filter bags for high flow and high dirt holding capacity
  • Flanged inlet and outlet connections in 3”, 6”, 8” and 10” sizes
  • Polished or sand blast surface finish for cleanability and corrosion resistance
  • Available in SS304 (S4) and SS316L (S6) materials for chemical and process compatibility
Materials

Materials Of Construction

  • SS304 (S4) for general industrial and water service
  • SS316L (S6) for higher corrosion resistance in aggressive or chloride-rich environments
  • Buna O-rings for general water and hydrocarbon service
  • EPDM O-rings for hot water and moderate chemical exposure
  • Silicone O-rings for low extractable and high purity applications
  • Viton O-rings for high temperature and aggressive chemical duty
Specifications

SQH Quick Open Multi Bag Filter Housings Specifications

Every figure below comes from the manufacturer data for this series. Anything not listed here is not published and we will confirm it against your duty before you order.

SeriesSQH
Max Pressure150 psi
Bag Capacity3, 4, 6, 8, ..., 23 bags
Inlet/OutletFlanged
Flange StandardsANSI, DIN, J-JIS
MaterialsSS304 (S4), SS316L (S6)
FinishPolished or sand blast
O-ring OptionsBuna (B), EPDM (E), Silicone (S), Viton (V)
Flange Sizes3”, 6”, 8”, 10”
Order Code ExampleSQH-10-S4-6-A-B
Application Scenarios

Where It Is Installed

Pharmaceutical process lines requiring frequent bag filter changes with minimal downtime

Food and beverage plants where hygiene and fast change-out are critical during cleaning cycles

Chemical processing systems with high particulate load and frequent filter maintenance

Water treatment plants using bag filters in pre-treatment stages with high flow demands

Industrial facilities with multiple bag filter skids needing standardised, fast-access housings

Manufacturing

How This Cartridge Is Built

Media Preparation

Precision machining of housing body from stainless steel plate or tube

Pack Forming

Flange welding or flange attachment using standard flange configurations

Hardware Assembly

Surface treatment by polishing or sand blasting to specified finish

End Cap Bonding

Assembly of hand wheel closure mechanism with self-balancing hinge

Configuration

Installation of O-ring grooves and O-ring compound based on order specification

Inspection And Packing

Final inspection and pressure testing to 150 psi before packing

Quality Control

Checks Before It Ships

  • Dimensional check of flange size, bolt pattern, and housing bore against order code
  • Visual inspection of welds, surface finish, and O-ring groove integrity
  • Pressure test at 150 psi for 5 minutes with no leakage or deformation
  • O-ring compound verification against the ordered code and fluid compatibility
  • Functional test of hand wheel operation and self-balancing door movement
Customization

What We Can Change For You

  • Choose bag count from 3 to 23 pieces #2 bags based on flow and load requirements
  • Select material: SS304 (S4) or SS316L (S6) for corrosion resistance
  • Choose flange standard: ANSI, DIN, or J-JIS
  • Select flange size: 3”, 6”, 8”, or 10”
  • Choose O-ring compound: Buna, EPDM, Silicone, or Viton
  • Custom marking or private label printing available on request
Comparison

How It Compares With The Alternatives

Traditional armed lifting closure housingsSQH allows single hand operation and self-balancing door; faster and safer change-out without two hands or support
Fixed-angle door housingsSQH opens to any angle; better access and safer positioning during bag replacement
Single bag housingsSQH accepts up to 23 bags; higher flow capacity and longer run time between changes
Non-flanged housingsSQH has flanged connections; easier piping integration and system compatibility
Use Guide

Installing And Running This Cartridge

  • Confirm flange size, flange standard, and required bag count before ordering
  • Select O-ring compound based on fluid type and temperature to avoid degradation
  • Use the correct flange standard (ANSI, DIN, J-JIS) to match existing piping
  • Inspect O-ring and seal surface before each change-out to prevent leaks
  • Clean housing interior before installing new bags to avoid contaminating the process
  • Open door slowly using hand wheel and ensure it is fully supported before removing bags
FAQ

SQH Quick Open Multi Bag Filter Housings FAQ

Will SQH fit my existing flanged bag housing?
Yes, if it has a flanged connection in 3”, 6”, 8”, or 10” size and matches the flange standard (ANSI, DIN, J-JIS). Send us your housing model and we will confirm compatibility.
How many bags can SQH hold?
Up to 23 standard #2 filter bags, depending on the model and order code. The bag count is specified in the code: e.g., SQH-10-S4-6-A-B supports 23 bags.
What materials are available?
SS304 (S4) and SS316L (S6). Choose S4 for general service and S6 for higher corrosion resistance in aggressive environments.
Which O-ring should I use?
Buna for general water, EPDM for hot water, Silicone for low extractable needs, Viton for high temperature and aggressive chemicals. Tell us your fluid and temperature and we will advise.
How do I write the order code?
Series, bag count, material, flange size, flange standard, O-ring. Example: SQH-10-S4-6-A-B means 10” flange, SS304, ANSI standard, Buna O-ring.
Can I get a sample before placing a production order?
Yes. Message us on WhatsApp with your current housing model and duty, and we will quote a sample with matching configuration.

Send Us Your Housing Model And Duty

Send the housing model and the code on the element you use today and we will confirm whether SQH Quick Open Multi Bag Filter Housings is the right match before you order.