{"product_id":"castair-2-inlet-195-cfm-7-5o-d-x7-5o-a-ht-complete-air-filter-assembly-and-element","title":"Castair, 2\" Inlet 195 CFM 7.5\"O.D.x7.5\"O.A.Ht. Complete Air Filter Assembly and Element","description":"\u003ch2\u003eCastair S-32DP-200 Complete Air Filter Assembly — 2” Inlet, 195 CFM, Silencer Type\u003c\/h2\u003e\n\n\u003cp\u003eThe Castair S-32DP-200 is the heavy-duty intake filter for large industrial cast iron compressor pumps with a 2” NPT inlet, rated at 195 CFM. This is the top of the Castair air filter lineup — significantly larger body than the S-16D and S-20DP series, at 7.5” outer diameter and 7.5” overall height. If you are running a 20–30 HP cast iron pump with a 2” NPT inlet port, this is the filter that belongs on it. Anything smaller will restrict airflow and hurt pump performance at those displacement volumes.\u003c\/p\u003e\n\n\u003cp\u003eThe 32DP replacement element is specified for Castair S3, P3, S4, and P4 pump models — measuring 3-1\/2” inner diameter, 5-3\/4” outer diameter, and 4-7\/8” height. These are Castair largest reciprocating pump configurations, used in their 20–30 HP industrial compressor lineup.\u003c\/p\u003e\n\n\u003ch3\u003eWhat the S-32DP-200 Does\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge-volume filtration at 195 CFM:\u003c\/strong\u003e Sized to handle the full displacement of a 20–30 HP cast iron pump. At 195 CFM rated throughput, this assembly provides unrestricted airflow to the pump inlet even under heavy continuous-duty operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSilencer-type noise attenuation:\u003c\/strong\u003e The large body and \"S\" designation mean this assembly reduces intake pulsation noise. On high-HP slow-RPM industrial pumps, intake noise can be substantial — this assembly addresses it at the source.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial-scale construction:\u003c\/strong\u003e The S-32DP body is proportionally larger than the S-16D or S-20DP series — heavier gauge, larger filter volume, higher flow capacity for the pump sizes it serves.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete assembly:\u003c\/strong\u003e Ships with the 32DP element pre-installed and ready to thread onto the 2” NPT pump inlet.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e S-32DP-200\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Castair, Inc. (Spicer, MN)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Connection:\u003c\/strong\u003e 2” NPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter Diameter:\u003c\/strong\u003e 7.5”\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Height:\u003c\/strong\u003e 7.5”\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow Rating:\u003c\/strong\u003e 195 CFM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Silencer-type complete assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplacement Element:\u003c\/strong\u003e 32DP (ID 3-1\/2”, OD 5-3\/4”, Height 4-7\/8”)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Pumps:\u003c\/strong\u003e S3, P3, S4, P4 (per Castair cross-reference)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatible Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCastair S3, P3, S4, and P4 cast iron pumps with 2” NPT inlets\u003c\/li\u003e\n\u003cli\u003eCastair 20–30 HP industrial compressor configurations\u003c\/li\u003e\n\u003cli\u003eAny reciprocating pump with a 2” NPT inlet displacing up to 195 CFM at operating pressure\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eReplacement Element: 32DP\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eElement Part Number:\u003c\/strong\u003e 32DP (also referenced as F-32DP-200 in some Castair documentation)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInner Diameter:\u003c\/strong\u003e 3-1\/2”\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter Diameter:\u003c\/strong\u003e 5-3\/4”\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 4-7\/8”\u003c\/li\u003e\n\u003cli\u003eThe 32DP element is significantly larger than the 20DP or 16D elements. Do not attempt to use a smaller element in this body.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAvailable Configurations — Castair Air Filter Lineup\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eS-16D-050\u003c\/strong\u003e — 1\/2” inlet, 6.75” OD x 4.5” height, 20 CFM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eS-16D-075\u003c\/strong\u003e — 3\/4” inlet, 6.75” OD x 4.5” height, 20 CFM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eS-16D-100\u003c\/strong\u003e — 1” inlet, 6.75” OD x 4.5” height, 30 CFM ($50.82)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eS-20DP-100\/125\/150\u003c\/strong\u003e — 1”\/1-1\/4”\/1-1\/2” inlet, 6.75” OD x 7.0” height, 60 CFM ($71.61 each)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eS-32DP-200\u003c\/strong\u003e — 2” inlet, 7.5” OD x 7.5” height, 195 CFM (this unit — $149.38)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhen Does a Shop Need the S-32DP-200?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrder the S-32DP-200\u003c\/strong\u003e if your compressor pump has a 2” NPT inlet. There is no substitute for a pump this size — the S-20DP series cannot flow 195 CFM without restriction.\u003c\/li\u003e\n\u003cli\u003eIf setting up a 20–30 HP Castair industrial compressor (I20xx, I25xx, I30xx series), this is the factory-spec intake filter for S3, P3, S4, or P4 pumps.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe S-20DP-150 is not a substitute:\u003c\/strong\u003e It is physically smaller (6.75” OD vs 7.5” OD) and rated at one-third the CFM. Using it on a pump that needs the S-32DP-200 will restrict airflow and shorten pump life.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat’s in the Box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1x Castair S-32DP-200 complete air filter assembly (silencer type), 2” NPT inlet\u003c\/li\u003e\n\u003cli\u003e1x 32DP filter element (pre-installed)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Buy From Air Compressor Factory Direct?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine Castair OEM component\u003c\/strong\u003e — specified for S3, P3, S4, P4 pumps by the manufacturer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree shipping\u003c\/strong\u003e on qualifying orders\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree technical support at 866-217-0063\u003c\/strong\u003e — if speccing a replacement for a large industrial pump and unsure which filter you need, call before ordering\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eFull manufacturer warranty\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e32DP replacement elements stocked\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCall 866-217-0063 for quick answers and help!\u003c\/strong\u003e\u003c\/p\u003e","brand":"Cast Air","offers":[{"title":"Default Title","offer_id":53342598234325,"sku":"S-32DP-200","price":275.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0622\/8466\/0949\/files\/air-filter-kit_29096481-55cc-403b-865a-0d7c30710d2b.jpg?v=1772652889","url":"https:\/\/aircompressorfactorydirect.com\/products\/castair-2-inlet-195-cfm-7-5o-d-x7-5o-a-ht-complete-air-filter-assembly-and-element","provider":"Air Compressor Factory Direct","version":"1.0","type":"link"}