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Geotech Stainless Steel
& PFA In-line 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.
Stainless Steel (47mm, 90mm, 142mm)
- Designed to minimize resistance and maximize flow rate
- Includes vent relief valve for improved performance
- Made of 316 stainless steel – rated @ 100 psi
PFA (47mm or 90mm)
- Designed for filtering small volumes
- All wetted surfaces are PFA to maximize chemical compatibility
- Holder allows membrane replacement without disconnecting tube lines
- Open face holder for air studies
| STAINLESS STEEL IN-LINE FILTER HOLDERS | ||
| 90 mm Filter Holder | ||
| Filter Membrane Size | 90mm diameter (only) | |
| Pre-filter Size | 75mm | |
| Filter Area | 45 cm2 | |
| Support Screen | PTFE coated photoetched SS | |
| O-ring | Silicone | |
| Gasket | PTFE | |
| Inlet Fitting | ¾" NPTF | |
| Outlet Fitting | ¾" NPTM | |
| Approximate Shipping Weight | 3.9 kg (8.5 lbs.) | |
| Autoclaving | 35 minutes, 121°C | |
| 47 mm Filter Holder | ||
| Filter Membrane Size | 47mm diameter (only) | |
| Pre-filter Size | 35mm | |
| Filter Area | 12.5 cm2 | |
| Downstream Volume | 2 ml | |
| Upstream Volume | 5 ml | |
| O-ring | Viton® & Silicone | |
| Vent Valve O-ring | Viton® | |
| Gasket | PTFE | |
| Back Pressure Support Screen | PTFE coated | |
| Support Screen | PTFE | |
| Internal Fittings | ¼" NPTF to 9.5mm nozzle ID | |
| External Inlet/Outlet Fittings | ¼" NPTF to 11mm OD hose barb | |
| 142 mm Filter Holder | ||
| Filter Membrane Size | 142mm diameter (only) | |
| Pre-filter Size | 124mm | |
| Filter Area | 113 cm2 | |
| Support Screen | PTFE & SS | |
| O-ring | Silicone | |
| Gasket | PTFE & SS | |
| Inlet Fitting | ¾" NPTF | |
| Outlet Fitting | ¾" NPTM | |
| Approximate Shipping Weight | 6.3 kg (14.1 lbs.) | |
| Autoclaving | 45 minutes, 121°C | |
| Filter Holder Plates | 316 Stainless Steel | |
| Pressure | 7kg/cm2 (100psi) differential | |
| PFA IN-LINE FILTER HOLDERS | ||
| 47 mm PFA Filter Holder | ||
| Filter Membrane Size | 47mm diameter | |
| Diameter | 67mm | |
| Maximum Pressure | 25 psi | |
| Maximum Operating Temperature | 100°C | |
| Inlet/Outlet Compression Fitting | Female ¼" NPTM or ¼" (6.35mm) diameter tubing | |
| Filter Area | 12.5 cm2 | |
| Height | 70mm | |
| Weight | 5.2 oz. (120g) | |
| 90 mm PFA Filter Holder | ||
| Filter Membrane Size | 90mm diameter | |
| Diameter | 103.19mm | |
| Maximum Pressure | 10 psi | |
| Maximum Operating Temperature | 135°C | |
| Inlet/Outlet Compression Fitting | Female ½" NPTM or ¾" (6.35mm) diameter tubing | |
| Filter Area | 63.62 cm2 | |
| Height | 136.65mm | |
| Weight | 16 oz. (454g) | |
| Geotech Stainless Steel In-line Filter Holder |
| Geotech PFA In-line Filter Holder with Tools |