Notes and Specifications Filter Housing

• Fatigue Pressure Rating
  400 bar (5800 psi) per NFPA T2.6.1 R2-2001 Cat C/90
• Typical Burst Pressure:
  1,600 bar (23,200 psi)
• Filter Element Collapse Pressure:
  10 bard (150 psid) – 4754 series
  207 bard (3000 psid) – 4751 series
• Fluid Compatibility:
  Compatible with all petroleum oils and most water glycols, water-oil
  emulsions, and synthetic hydraulic and lubricating fluids
• Temperature Range:
  -29 ˚C to 120 ˚C (-20 ˚F to 250 ˚F)
  60 ˚C (140 ˚F) maximum in HWCF or water glycols
• Bypass Valve Setting:
  3.4 bard (50 psid) – 4754 series
  Non-bypass – 4751 series
• Indicator Pressure Setting:
  2.4 bard (35 psid) – 4754 series
  7 bard (100 psid) – 4751 series
• Housing Materials of Construction:
  Ductile iron head; steel bowls

Dimensional Drawings

Dimensions in mm (inches)

The equipment has been assessed in accordance with the guidelines laid down in The European Pressure Directive 97/23/EC and has been classified within Sound Engineering Practice S.E.P. Suitable for use with Group 1 and 2 fluids only. Consult Sales for other fluid gas group suitability.

Pressure Drop Information

Housing pressure drop using fluid with 0.9 S.G.

Housing pressure drop is directly proportional to specific gravity.

Element Pressure Drop

Multiply actual flow rate times factor in table below to determine pressure drop with fluid at 32 cSt (150 SUS), 0.9 S.G. Correct for other fluids by multiplying new viscosity in cSt/32 (SUS/150) x new S.G./0.9.

4704 Series Element DP Factors (psid/gpm)

Length Code	CZ	CP	CN	CS	CT
8”	0.46	0.20	0.17	0.12	0.09
13”	0.27	0.12	0.10	0.07	0.05
16”	0.20	0.09	0.07	0.05	0.04

9601 Series Element DP Factors (psid/gpm)

Length Code	CP	CS	CT
8”	0.52	0.30	0.12
13”	0.32	0.18	0.08
16”	0.25	0.14	0.07

Housings, Vessels, or Assemblies

For new installations, select one complete part number from each section below

Section 1 Housing P/N:

Note: Pall Athalon filter housings are supplied without filter elements or warning devices fitted. Never operate the filter unless a filter element is fitted and all warning device ports are sealed.

Housing part number designates indicator port is fitted with a plastic shipping plug.

Part Number
HZ4754A24SB1	HZ4751A24SW1
HZ4754A24TB1	HZ4751A24TW1
HZ4754A24UB1	HZ4751A24UW1
HZ4754E24SB1	HZ4751E24SW1
HZ4754E24TB1	HZ4751E24TW1
HZ4754E24UB1	HZ4751E24UW1

Part Number (Description) Breakdown

HZ = housing with fluorocarbon seals

4754 = 4754 series housing

4751 = 4751 series housing (high collapse element)

A24 = 1½” SAE J514 straight thread port

E24 = 1½” Flange ports SAE J518C code 62 (414 bar/6000 psi max pressure)

S = 8” nominal length

T = 13” nominal length

U = 16” nominal length

W = Non-bypass

1 = 1 indicator warning device port

Section 2 Element P/N: HC[Table 1] F [Table 2] [Table 3] Z

Table 1: Element Options

Code	Description
4704	10 bard (150 psid) – for 4754 series
9601	207 bard (3000 psid) – for 4751 series

Table 2: 4704 Series Filter Performance Ratings

Supralon Filter Grade	ßx(c) ≥1000 per ISO 16889	ISO Code Rating per Stress- Resistance Test (80% Δp)*
CZ	3	10/08/03
CP	5	12/09/07
CN	7	14/11/06
CS	12	15/11/06
CT	22	16/14/08

* based on 60 psid terminal pressure drop

Table 2 - 9601 Series Filter Performance Ratings

Code	ßx(c) ≥1000 per ISO 16889
CP	5
CS	12
CT	15

Table 3: Length Options

Code	Description
8	8” nominal length
13	13” nominal length
16	16” nominal length

Section 3

Differential Pressure Indicator P/N: RC [Table 4] Z 097 Z [Table 5]

Note: If no differential pressure indicator is selected, ‘B’ type blanking plug (P/N HC9000A104Z) must be ordered separately and fitted to replace the plastic shipping plug.

Note: Z indicates fluorocarbon seals are standard. Other options are available; contact Pall.

Table 4: Indicator Options

Code	Brass Option indicator
A218M	Electrical switch (SPDT) with Hirschmann connector
A218R	Electrical switch (SPDT) with Hirschmann connector with Red and Green LED indicators
A219D	Visual indicator

Code	Stainless Steel Option Indicator
778N	Visual filter with thermal lockout
861C	Electrical switch (SPDT) with Hirschmann connector
771B	Electrical switch (SPDT) with 3-pin

Table 5: Differential Pressure Indicator Material

Code	Description
Omit	If Brass Indicator is selected in Table 4
SS	If Stainless Steel Indicator is selected in Table 4 (recommended for high pressure applications with pressure > 200 bar (3000 psi)

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