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Perma Pure PD-Series™ gas dryers are multi-tube Nafion dryers designed for high flow, high performance gas drying applications. These dryers can be used to dry to –45°C without removing other compounds. PD-Series dryers consists of a bundle of 0.030" O.D. Nafion tubes housed within a single large tube shell.
Perma Pure PD-Series™ gas dryers are multi-tube Nafion dryers designed for high flow, high performance gas drying applications. These dryers can be used to dry to –45°C without removing other compounds. PD-Series dryers consists of a bundle of 0.030" O.D. Nafion tubes housed within a single large tube shell. Feed gas flows within the Nafion tubes while water vapor absorbs into the tubular membrane walls and is removed. Moisture permeating the tubing is carried away by a dry purge gas within the shell that flows countercurrent to the feed. Purge gas should be instrument quality air (-40°C dew point) or nitrogen flowing at two to three times the sample flow rate.
Perma Pure offers three PD series dryer product lines: PD-50T, PD-100T, PD-200T
Model Number | Number of Nafion Tubes | Available lengths | Sample ports | Purge Ports |
PD-50T | 50 | 12", 24", 48" or 72" | 1/4" NPT | 1/8" NPT |
PD-100T | 100 | 12", 24", 48" or 72" | 1/4" NPT | 1/8" NPT |
PD-200T | 200 | 12", 24", 48" or 72" | 1/4" NPT | 1/8" NPT |
Available materials (not for all models and lengths)
Code | Material |
MKS | Kynar (fluoropolymer)fittings, stainless steel shell |
MKA | Kynar (fluoropolymer)fittings, anodized aluminium shell |
MKR | Kynar (fluoropolymer)fittings, rubber shell |
MKC | Kynar (fluoropolymer)fittings, corrugated stainless steel shell |
MSS | stainless steel fittings, stainless steel shell |
MSA | stainless steel fittings, anodized aluminium shell |
MSR | stainless steel fittings, rubber shell |
MSC | stainless steel fittings, corrugated stainless steel shell |
MPP | polypropylene fittings and shell |
MPR | polypropylene fittings, rubber shell |
MPV | polypropylene fittings, PVC shell |
MPS | polypropylene fittings, stainless steel shell |