Nordson cp Product Manual

Contents

Pump Packing and Solvent Chamber Fluid Guide2Part 108044G 2003 Nordson CorporationPacking Material and ApplicationPacking Type Material ApplicationA Cotton duck saturated withbuna-nitrile and coated withgraphiteGood for less abrasive applications where strongsolvents are not used. Contains graphite coating toreduce friction.D Cotton duck and syntheticfabric saturated withbuna-nitrile and PTFEGood for less abrasive applications where strongsolvents are not used. Contains PTFE to reducefriction.F PTFE V-rings stacked withleather V-ringsMost commonly used packing in the finishing industry.Use for strong solvents and abrasive materials.G(1) Polyurethane U-cups Frequently used with waterborne materials. Notcompatible with some solvents. (1)U(2) Ultra-high molecular weightpolyethylene (UHMWPE)Good for highly abrasive materials. Compatible withwaterborne and most solventbornes. (2)NOTE 1: Do not use Type G packing glands with aromatic hydrocarbon solvents or with Type K or Ssolvent chamber fluids.NOTE 2: Type U packings may swell slightly when exposed to aromatic hydrocarbon solvents.Solvent Chamber Fluid Composition and ApplicationSolvent Type Material ApplicationT Mixed propylene glycol Use for waterborne systems. (Thinner than Type-Q andbest used on smaller pump models.)Q Liquid anionic flocculantmixed with distilled water.Use for waterborne systems. (Thicker than Type-T andbest used on larger pump models.)K Epoxidized soybean oil Use for solventborne applications. Do not use forwaterborne and catalyzed alkyd urea applications.S Mixed aliphatic dimethylestersUse for solventborne applications.NOTE: Type K solvent is highly viscous. At room temperature, it is not appropriate for use in Model 25Bor 64B pumps where the solvent must flow through a filler cup and small ID passage into the solventchamber.Solvent Chamber Fluid Parts ListPart Description248831 FLUID, type-S, pump chamber, one quart900255 FLUID, type-K, pump chamber, one quart140029 FLUID, type-T, pump chamber, one quart244854 FLUID, type-Q concentrate (2.6 fluid ounce, makes one gallon)

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