8670/71/74 Series Filter Assemblies
Pressures to 1200 psi (80 bar)
Port sizes: 1-1/4"
Features
- Non-Welded Construction (Gray Iron Head)
- Vent Plugs
- Changeover Handle with Latching Pin Mechanism
- Filter Element Change Instruction Plate
- Forged Steel Bowls
- Commuter Valve (To Repressurize Idle Side After Element Change)
- O-Ring Seals Throughout
- Filter "In-Service" Pointer
- Differential Pressure Device (Optional)
- Ultipor® III Element
- Drain Plug
Maximum Acceptable Working Pressure:
1200 psi (80 bar)Typical Burst Pressure:
5500 psi (380 bar)Temperature Range:
Nitrile seals -45°F to 225°F (-43°C to 107°C)Fluorocarbon seals -20°F to 250°F (-29°C to 120°C)
140°F (60°C) maximum in HWCF or water-glycol fluids
Dry Weights:
S length– 65 lbs. (29 kg)T length– 75 lbs. (33.5 kg)
U length– 85 lbs. (38 kg)
Filter Element Collapse Pressure:
9600– 290 psid (20 bar)9601– 3000 psid (207 bar)
4704–150 psid (10 bar)

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Figure 1. Housing Pressure Drop using fluid with 0.9 S.G. Housing Pressure drop is directly proportional to specific gravity. |
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Figure 2. Bypass Valve Pressure Drop using fluid with 0.9 S.G. Bypass valve pressure drops are directly proportional to specific gravity. |
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Element Pressure Drop Factor.
Multiply actual flow rate times factor to determine pressure drop with fluid at 150 SUS (32 cSt), 0.9 S.G.Correct for other viscosities by multiplying new viscosity in SUS/150 x new S.G/0.9.
9600/4704 Series Element P factor (psid/gpm) | |||||
| Length | KZ | KP | KN | KS | KT |
|---|---|---|---|---|---|
| 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 P factor (psid/gpm) | ||
| Length | DP | DT |
|---|---|---|
| 8" | 0.52 | 0.12 |
| 13" | 0.32 | 0.08 |
| 16" | 0.25 | 0.07 |
| Assembly P/N: |
H |
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867 |
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Table1 |
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Table2 |
Table3 |
Table4 |
Table5 |
Table6 |
Table7 |
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Element P/N: |
HC |
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F |
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Table2 |
Table4 |
Table5 |
Table1 |
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Note: Choose from the options in the following tables to compile the specific Product Number.
| Table 1: Seal Options | |
| Code | Seals |
|---|---|
| H | Nitrile |
| Z | Fluorocarbon |
Assembly Code Rating 0 9600 290 psid (standard) 1 9601 3000 psid (high collapse) 4 9604 150 psid (coreless) Code ßX ßx(c) = 1000 KZ <1 2.5 KP 3 5 KN 6 7 KS 12 12 KT 25 22 DP* 3 5 DT* 17 15 Assembly Code Element Code** S 8 T 13 U 16
Table 2: Element Options
Element Code
Table 3: Port Options
Code
Description
A20
1-1/4" SAE J514 straight thread
D20
1-1/4" Flange SAE J518c-code 61
Table 4: Filter Element Options
200
* 8671 only.
Table 5: Length Options*
* Use code in second column for element part no.
** Nominal length in inches.
| Table 6: Bypass Valve Options | |
| Code | Description |
|---|---|
| A* | 25 psid bypass 8670/8674 only |
| B | 50 psid bypass 8670/8674 only |
| W | Non-bypass 8670 to 120 psi max. 8671 to 1200 psi max. Not available for 8674. |
* A valve-25 gpm max flow. | |
| Table 7: Differential Pressure Device Options | |
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Code |
Description |
|---|---|
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P |
Visual indicator with thermal lockout |
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D |
Visual indicator with no thermal lockout |
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L |
Electrical switch (SPDT) with 6" leads |
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T |
Electrical switch with DIN connector |
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M |
'T' type switch with matching wiring cap |
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S |
Electrical switch with MS receptacle |
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V |
Combined visual/electrical with DIN connector |
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B |
Plug in place of indicator |
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P factor (psid/gpm)