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Geotech Polypropylene, Polycarbonate
& Aluminum Filter Holders
Geotech In-line Filter Holders are designed for on-site, rapid filtration of surface or groundwater samples through larger diameter flatstock filter membranes.
Polypropylene In-line
- Compatible with a wide range of chemicals
- Exterior locking ring design allows the unit to be assembled quickly
Applications:
- Ultra-clean and sterilize liquids
- Aseptic sampling of liquids or gases
Polycarbonate In-line (142 mm)
- Able to use in wide temperature ranges with excellent chemical compatibility
- Adjustable pressure relief valve
- Lower cost, lighter weight alternative to acrylic
Aluminum
- Designed for use by U.S.G.S. National Water Quality Assessment Program
- Low cost alternative to stainless steel
- Ideal for filtration of organics
- Allows for high pressure filtration, preset to 45 psi (3 bar)
- Single quick release band clamp
| Aluminum Filter Holder | ||
| Filter Membrane Size | 142mm (5.59") diameter (only) | |
| Pre-filter Size | 12.5cm2 (1.9 in.2) | |
| Filter Area | 115cm2 (17.8 in.2) | |
| Filter Holder Plates | Aluminum | |
| O-Ring | FEP coated silicone | |
| Support | 3 legs | |
| Width | 6" (15cm) | |
| Total Height with Legs | 14" (35.5cm) | |
| Height of Filter Holder Alone | 1.8" (4.6cm) | |
| Inlet/Outlet Fitting | ⅜" NPTF (requires male adapter) | |
| Legs | Anodized aluminum with red rubber non-skid feet | |
| Clamping Mechanism | Quick release band clamp | |
| Clamp | 300 series stainless steel with plastic knob | |
| Support Screen | Stainless steel | |
| Pressure Relief Valve | Stainless steel | |
| Relief Valve Pressure Rating | 45 psi (3 bar) preset | |
| Approximate Shipping Weight | 6.15 lbs. (2.79 kg) | |
| Polypropylene In-Line Filter Holder | ||
| Filter Membrane Size | 47mm diameter (only) | |
| Pre-filter Size | 42.5mm diameter | |
| Filter Area | 13.5cm2 | |
| Filter Holder Plates | Polypropylene | |
| Support Screen | Polypropylene | |
| O-Ring | Silicone | |
| Maximum Positive Pressure at 25°C (77°F) | 5.0 Kg/cm2 (71 psi) differential | |
| Maximum Positive Pressure at 80°C (176°F) | 3.0 Kg/cm2 (42 psi) differential | |
| Maximum Negative Pressure at 25°C (77°F) | 5.0 Kg/cm2 (71 psi) differential | |
| Maximum Negative Pressure at 80°C (176°F) | 3.0 Kg/cm2 (42 psi) differential | |
| Vacuum | 1 atmosphere maximum | |
| Maximum Temperature | 128°C (262°F) | |
| Maximum Liquid Temperature | 80°C (176°F) | |
| Inlet/Outlet Fittings | Combination ¼" NPTM, female lure slip | |
| Diameter | 2.5" (6.35cm) | |
| Height | 2.0" (5.08cm) | |
| Autoclaving | 20 minutes, 121°C (250°F), 15 psi (1 bar) | |
| Approximate Shipping Weight | 99g (3.5 oz.) | |
| Polycarbonate In-Line Filter Holder | ||
| Filter Membrane Size | 142mm (5.59") diameter (only) | |
| Filter Area | 4.8 in.2 (30.1cm2) diameter | |
| Clamping Device | 6 swing-away bolts | |
| Total Height with Legs | 13.5" (34cm) | |
| Height of Filter Holder Alone | 2.0" (51cm) | |
| Nut and Bolt Height | 3.14" (79.0mm) when engaged | |
| Filter Holder Plates | Polycarbonate | |
| Bolts | Nylon or stainless steel | |
| Nuts | Polycarbonate or stainless steel | |
| Legs | Nylon with non-skid feet | |
| Filter Support Screen | Polyester | |
| Sealing Ring | Vinyl | |
| Disbursement Disc | Polycarbonate | |
| Pressure Relief Valve | Nylon w/external stainless steel pegs | |
| Total Diameter | 7.95" (201.98mm) | |
| Inlet/Outlet Fittings | ⅜" NPT by ⅜" hose barb | |
| Approximate Shipping Weight |
Nylon bolts 3.1 lbs. (1.4 kg) Stainless steel bolts 4.1 lbs. (1.9 kg) |
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| Geotech Polycarbonate In-line Filter Holder |
| Geotech Aluminum Filter Holder |
| Geotech Polypropylene In-line Filter Holder |