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8670/8671 Series Duplex Filters product photo Primary L

8670/8671 Series Duplex Oil Filters Assembly

Coralon® lube and hydraulic oil filters deliver consistent, high level fluid system protection across all applications, regardless of severity. Coralon filters feature BetaX(C) >1000 filter efficiency, low pressure drop and long service life.

Features

  • Flows to 190 lpm (50 US gpm)
  • Pressures to 80 bard (1200 psi)
  • Port size 1 1/4"
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Description

Coralon® lube and hydraulic oil filters deliver consistent, high level fluid system protection across all applications, regardless of severity. Coralon filters feature BetaX(C) >1000 filter efficiency, low pressure drop and long service life.

Features

  • Flows to 190 lpm (50 US gpm)
  • Pressures to 80 bard (1200 psi)
  • Port size 1 1/4"

Specifications

Filter Housing

  • Typical Burst Pressure
    380 bar (5500 psi)
  • Filter Element Collapse Pressure:
    20 bard (290 psid) – 8670 series
    207 bard (3000 psid) – 8671 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) – 8670 series
    Non-bypass – 8671 series
  • Indicator Pressure Setting:
    2.4 bard (35 psid) – 8670 series
    7 bard (100 psid) – 8671 series
  • Housing Materials of Construction:
    Iron head; steel bowls
8670-8671Dimension

Performance

Pressure Drop Information

Housing pressure drop using fluid with 0.9 S.G.

Housing pressure drop is directly proportional to specific gravity.

Performance Graph

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.

9600 Series Element DP Factors (psid/gpm)

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

Type

Housings, Vessels, or Assemblies

Ordering Information

Please select only from the following list of standard filter housing options.

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

Section 1 Housing P/N:

Note: Pall filter housings are supplied without filter elements or filter change out warning devices. Never operate the filter housing 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
HZ8670A20SB1 HZ8670D20SB1
HZ8670A20TB1 HZ8670D20TB1
HZ8670A20UB1 HZ8670D20UB1
HZ8670C20SB1 HZ8670D20SB1
HZ8670C20TB1 HH8670F20TB1
HZ8670C20UB1 HH8670F20UB1
 
Part Number
HZ8671A20SW1 HZ8671D20SW1
HZ8671A20TW1 HZ8671D20TW1
HZ8671A20UW1 HZ8671D20UW1
HZ8671C20SW1 HZ8671F20SW1
HZ8671C20TW1 HZ8671F20TW1
HZ8671C20UW1 HZ8671F20UW1
 
 
Part Number (Description) Breakdown
HZ = housing with fluorocarbon seals
8670 = 8670 series housing
8671 = 8671 series housing (high collapse element)
A20 = 1¼” SAE J514 straight thread port
C20 = 1¼” BSP ISO 228 threads
D20 = 1¼” Flange ports SAE J518C code 61
F20 = 1¼” ISO 6162 split flange
S = 8” nominal length
T = 13” nominal length
U = 16” nominal length
B = 3.4 bard (50 psid)
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
9600 20 bard (290 psid) – for 8670 series
9601 207 bard (3000 psid) – for 8671 series
 

Table 2: 9600 Series Filter Performance Ratings

 
Coralon 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
 

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 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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