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SGH Filter Housing product photo Primary L

SGH Filter Housing

The SGH filter housings are designed for ultra-high purity bulk gas applications in the semiconductor industry.
  • Clean "sweep tube" design
  • Easy cartridge changeout
  • Available in three bowl lengths
  • Available in 3 or 12 around configurations
  • Through bolt closure
  • Code 7 (-226 double o-ring with locking tab and finned end) cartridge adaptor
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The SGH filter housings are designed for ultra-high purity bulk gas applications in the semiconductor industry.
  • Clean "sweep tube" design
  • Easy cartridge changeout
  • Available in three bowl lengths
  • Available in 3 or 12 around configurations
  • Through bolt closure
  • Code 7 (-226 double o-ring with locking tab and finned end) cartridge adaptor

Materials

Medium All-316L stainless steel
Internal surface treatment Electropolished
Surface finish options ≤ 0.25 μm (10 μin) Ra or ≤ 0.63 μm (25 μin) Ra
O-ring seal Fluorocarbon

Connections

3 around
  • 2 inch (0.065 inch wall) or 3 inch (0.065 inch wall) buttweld tube
  • Purge connections: 1⁄2 inch gasket seal, male (VCR1 or compatible)
  • Vent: 1⁄2 inch gasket seal, male (VCR1 or compatible)
12 around
  • 3 inch (0.065 inch wall) or 4 inch (0.083 inch wall) buttweld tube
  • Purge connections: 1⁄2 inch gasket seal, male (VCR1 or compatible)
  • Vent: 1⁄2 inch gasket seal, male (VCR1 or compatible)
  • Drain: 1⁄2 inch gasket seal, male (VCR1 or compatible)

Operating Conditions

Maximum allowable working pressure
  • 3 around:
    • 1.72 MPa at 93 ˚C / 250 psig @ 200 ˚F
  • 12 around:
    • 1.24 MPa at 38 ˚C / 180 psig @ 100 ˚F
    • 1.17 MPa at 93 ˚C / 170 psig @ 200 ˚F

Certifications

EU Pressure Equipment Directive Housings have been evaluated for compliance with the European Union's Pressure Equipment Directive 97/23/EC and are CE marked
ASME Housings are designed, manufactured and stamped in accordance with the ASME BPVC Section VIII, Div. 1, including latest addendum

Leak Rating

  • 100% Helium leak tested to 10-8 atm-cm3/s
Housings, Vessels, or Assemblies

Dimensions

Dimensions
  Number of
cartridges		 Filter length Nominal length (L1)
(mm / in.)		 Nominal diameter (D)
(mm / in.)		 Face-to-face
Dimensions (L2)
(mm / in.)
SG[ ]H32 3 508 / 20 1,295 / 51 219 / 8.63 508 / 20
SG[ ]H33 3 762 / 30 1,549 / 61 219 / 8.63 508 / 20
SG[ ]H34 3 1,016 / 40 1,803 / 71 219 / 8.63 508 / 20
SG[ ]H122 12 508 / 20 1,549 / 61 356 / 14 768 / 30.25
SG[ ]H123 12 762 / 30 1,803 / 71 356 / 14 768 / 30.25
SG[ ]H124 12 1,016 / 40 2,057 / 81 356 / 14 768 / 30.25
Please contact Pall Microelectronics for detailed dimensions on specific housing part numbers.
SG [1] H [2] [3] G7BW [4] - [5]

Table 1

Code Internal surface finish
Blank ≤ 0.63 μm / 25 μin Ra
L ≤ 0.25 μm / 10 μin Ra

Table 2

Code Number of cartridges
per housing
3 3 around
12 12 around

Table 3

Code Nominal cartridge length
(mm / in.)
2 508 / 20
3 762 / 30
4 1,016 / 40

Table 4

Code Inlet / outlet connections
32 2 inch tube x 0.065 wall
48 3 inch tube x 0.065 wall
64 4 inch tube x 0.083 wall

Table 5

Code Pressure vessel code
Blank ASME code, U-Stamp
CE CE marked

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