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HFE Filter Housing

Overview
Specifications
Ordering Information
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The HFE filter housings are designed to accommodate the Pall High-Flow Emflon® filter cartridges. Typical applications include bulk nitrogen (N2) and compressed dry air (CDA) used in the semiconductor, flat panel display and photovoltaic manufacturing processes.

  • Holds 1 or 3 cartridges
  • Available in 508 mm (20 in.) or 1,016 mm (40 in.) lengths
  • Flow rates from 1,000 Nm3/h (588 scfm) to 20,000 Nm3/h (11,770 scfm) and above
  • Bolted closure with clamp option
  • Lifting davit standard with 3-around housings
  • Connections are in-line "T" configuration
  • Options to meet high or standard purity specifications

Specifications

Materials of Construction

Materials
  • 304L or 316L Stainless Steel
  • Surface Treatment: Electropolished or cleaned for oxygen service*
  • < 0.25 μm (10 μin) or < 0.63 μm (25 μin) Ra internal surface finish
  • O-ring seal: Fluorocarbon (standard), other options available upon request
Connections
  • 80A up to 400A JIS Flange and buttweld connections
  • 2 in. up to 6 in. ANSI Flange and buttweld connections
  • Others available upon request
Operating Conditions
  • Maximum Operating Pressure:
    • Standard Pressure: 1.7 MPa at 100 °C (250 psig @ 212 °F)
    • High Pressure Option: 2.5 MPa at 100 °C (363 psig @ 212 °F)
Certifications
  • EU Pressure Equipment Directive: Housings have been evaluated for compliance with the European Union's Pressure Equipment Directive 97/28/EC and are CE marked (please refer to CE marked housing options)
  • ASME: Housings are designed, manufactured and stamped in accordance with the ASME Code (please refer to ASME code stamped housing options)
Leak Rating
  • 100% helium leak tested to 10-6 atm-cm3/s

* Housing with Emflon filters are not for use in oxygen service.

Additional Information

Dimensions

  Number of
cartridges		 Filter
length		 Nominal
length (L)		 Nominal
diameter (D)
1HFE1 1 508 mm (20 in.) 1218 mm (47.9 in.) 553 mm (21.8 in.)
1HFE2 1 1,016 mm (40 in.) 1715 mm (67.5 in.) 553 mm (21.8 in.)
3HFE1 3 508 mm (20 in.) 1913 mm (75.3 in.) 889 mm (35.0 in.)
3HFE2 3 1,016 mm (40 in.) 2410 mm (94.9 in.) 889 mm (35.0 in.)

Please contact Pall Microelectronics for detailed dimensions on specific housing part numbers.

Ordering Information

[1] HFE [2] [3] - G [4] [5] [6] [7] [8] - [9] - [10]

Table 1

Code Number of cartridges per housing
1 1
3 3

Table 2

Code Filter length
2 508 mm (20 in.)
4 1,016 mm (40 in.)

Table 3

Code Material
4 304L SST
6 316L SST

Table 4

Code Interior finish
Blank As received
L 0.25 μm (10 μin) Ra
LL 0.63 μm (25 μin) Ra

Table 5

Code Design pressure
None 1.7 MPa (250 psig)
H 2.5 MPa (363 psig)

Table 7

Code Description
1 CE marked
2 ASME Section VII Div I
3 CE and ASME

Table 8

Code Option
Blank Electropolished
C9 O2 Cleaned

Table 10

Code Option
Blank Bolted closure
C Clamp style closure

Table 6

Code Connection size and style
2T 2 inch x 0.065 inch wall butt weld tube
3T 3 inch x 0.065 inch wall butt weld tube
3F 3 inch Sch 40 300# ANSI RFWN flange
4T 4 inch x 0.083 inch wall butt weld tube
4F 4 inch Sch 40 300# ANSI RFWN flange
6P 6 inch Sch 40 butt weld pipe
6F 6 inch Sch 40 300# ANSI RFWN flange
8P 8 inch Sch 40 butt weld pipe
8F 8 inch Sch 40 300# ANSI RFWN flange

Table 9

Code O-ring material
H FKM-1
H1 PTFE Encapsulated FKM-1

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