Features
- Out-to-in filter element flow path
- Flows to 250 L/min (66 US gpm)
- Pressures to 420 bar (6090 psi)
- Port size 1 in. and 1 1?4 in.
Filter Housing
- Maximum Working Pressure: 420 bar (6090 psi)
- Rated Fatigue Pressure: 0-240 bar (0-3480 psi) per NFPA T2.6.1 R2-2001 CAT C/90. Verified by testing at 0-280 bar (0-4060 psi) for 1 million cycles. Contact Pall for applications with higher pressures at lower cycles
- Fluid Compatibility: Compatible with all petroleum oils, water glycols, water-oil emulsions and most synthetic hydraulic and lubrication fluids
- Temperature Range:
- Nitrile Seals: -43 ®C to 120 ®C (-46 ®F to 250 ®F) 60 ®C (140 ®F) maximum in HWCF or water glycol fluids
- Fluorocarbon Seals: -29 ®C to 120 ®C (-20 ®F to 250 ®F)
- Bypass Valve Settings: 4.5 bard (65 psid)
- Indicator Pressure Settings: 3.4 bard (50 psid)
- Materials of Construction:
- Head: SG Iron
- Bowl: Carbon steel
Filter Element
- Filter Element Burst Pressure: 10 bard (145 psid)
- Filter Element Construction: Inorganic fibers impregnated and bonded with epoxy resins. Polyamide endcaps. Corrosion protected carbon steel.
Pressure Drop Information
Housing pressure drop using fluid with 0.9 S.G.Housing pressure drop is directly proportional to specific gravity.

HCG300 Filter Elements ® bard/1000 L/min (psid/US gpm)
Length Code | KN | KS | KD | KT |
08 | 3.83 (0.21) | 2.92 (0.16) | 2.73 (0.15) | 2.01 (0.11) |
10 | 3.10 (0.17) | 2.37 (0.13) | 2.22 (0.12) | 1.64 (0.09) |
Multiply actual flow rate times factor in table above 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. Note: factors are per 1000 L/min and per 1 US gpm.
Sample ?P calculation
G410 Series 8 in. length housing with C20 ports using KN grade media. Operating conditions 100 L/min flow rate using a hydraulic fluid at 45 cSt and specific gravity (s.g.) 1.2.Total Filter ?P
- ?P housing + ?P element
- (0.22 x 1.2/0.9) bard (housing)
- ((100 x 3.83/1000) x 45/32 x 1.2/0.9) bard (element)
- 0.29 bard (housing) + 0.71 bard (element)
- 1.00 bard (14.5 psid)
Housings, Vessels, or Assemblies
Housing P/N: H [1] G4 [2] 0 [3] [4] [5] G [6] [7] X160
Element P/N: HCG300F [4] [5] [1]
Seal P/N: G400SK [1]
Element P/N: HCG300F [4] [5] [1]
Seal P/N: G400SK [1]
Table 1: Seal Options
Code | Seal Material | Fluid Service |
H | Nitrile | Water Glycol Emulsions Water - Oil Petroleum |
Z | Fluorocarbon | Specified Synthetics |
Table 2: Housing Port
Code | Option |
0 | 'L' Port |
1 | 'T' Port |
Table 3: Housing Port Style Options
Code | Port Size | Port Style | Port Available |
A 16 | 1 in. | Straight threads and O-Ring boss per SAE J1926 |
'L' & 'T' |
A 20 | 11?4 in. | 'L' & 'T' | |
B 16 | 1 in. | NPT threads to ANSI B2.1 | 'L' & 'T' |
B 20 | 11?4 in. | 'L' & 'T' | |
C 16 | 1 in. | BSP threads to ISO228 | 'L' & 'T' |
C 20 | 11?4 in. | 'L' & 'T' | |
E 20 | 11?4 in. | Split flange to SAE J518C code 62 | 'L' |
G 20 | 11?4 in. | Split flange to SAE ISO6162 (Metric) | 'L' |
Table 4: Filter Element Options
Code | ®x(c) ?1000 based on ISO 16889 |
KN | 7 |
KS | 12 |
KD | 19 |
KT | 22 |
++ | No Element |
Table 5: Length Options
Code | Element Length Code | 'L' Dim* |
S | 8 | 230.3 mm (9.07 in.) |
K | 10 | 282.0 mm (11.10 in.) |
*Normal Length
Table 6: Differential Pressure Indicator Options
Code | Indicator | 'H' Dim. |
1 | Machined port with plastic shipping plug Indicator must be installed prior to operation Only available to distributors |
- |
B | Bleed plug and seal in place of indicator | 16 |
C | Electrical switch - normally closed, automatic reset Connection: Deutsch DT042P Reed switch operation suitable for low current applications |
56 |
D | Visual indicator, red button rises 5 mm on actuation Remains up until manually reset |
23 |
P | Visual indicator with thermal lockout and manual reset No signal below 0 ®C, signal above 27 ®C Indicator includes clear plastic cover and internal dirt protection |
23 |
R | Electrical switch-SPDT with neon light indicator Connection: plug and socket as per DIN43650, ISO 4400, Hirschmann type (24 volt DC) |
90 |
U | Electrical switch - normally closed, automatic reset Connection: AMP junior timer connector Reed switch operation suitable for low current applications |
47 |
Table 7: Drain Options
Code | Option |
0 | None |
3 | 1?4 BSP |
6 | 1?4 BSP |
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