{"product_id":"351-cat-triplex-positive-displacement-plunger-pump-5-0-gpm-1500-psi-direct-drive-316-stainless-steel-standard-nbr-buna-n-seals","title":"351 Cat Pump Triplex Positive Displacement Plunger 5.0 GPM 1500 PSI , Direct Drive , 316 Stainless Steel , Standard NBR (Buna-N) Seals","description":"\u003cp\u003e351 Cat Pump \u003cstrong\u003eTriplex Positive Displacement Plunger\u003c\/strong\u003e 5.0 GPM 1500 PSI , Direct Drive , 316 Stainless Steel , Standard NBR (Buna-N) Seals\u003cspan style=\"text-decoration: underline; background-color: rgb(255, 255, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0); text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2 data-path-to-node=\"1\"\u003eCAT Pumps 351 5-Frame Plunger Pump\u003c\/h2\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp data-path-to-node=\"2\"\u003eThe CAT Pumps 351 is an industrial-duty, positive displacement triplex plunger pump belonging to the 5-Frame series. Engineered for continuous-duty performance in demanding environments, this pump is constructed with a 316 Stainless Steel manifold and valve assemblies, paired with solid ceramic plungers. This premium material selection provides exceptional structural integrity, chemical compatibility, and resistance to corrosion, making it a reliable solution for high-pressure systems including reverse osmosis, industrial cleaning, and commercial pressure washing.\u003c\/p\u003e\n\u003cp data-path-to-node=\"3\"\u003eDesigned for operational versatility, the 351 utilizes a triplex reciprocating design that delivers consistent, low-pulsation fluid transfer. It operates at a flow rate of 5.0 GPM with a maximum pressure capacity of 1500 PSI at 1725 RPM. The pump is equipped with standard NBR (Buna-N) seals and O-rings, providing a durable, low-friction wear surface that extends maintenance intervals. Its robust design and 1725 RPM operating speed allow for multiple drive configurations, including direct drive with a bell housing and flexible coupling, or clutch and belt drive systems, providing the power required for mission-critical liquid handling.\u003c\/p\u003e\n\u003cp data-path-to-node=\"3\"\u003e \u003c\/p\u003e\n\u003cdiv class=\"horizontal-scroll-wrapper\"\u003e\n\u003cdiv class=\"table-block-component\"\u003e\n\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\n\u003cdiv class=\"table-block has-export-button new-table-style is-at-scroll-start is-at-scroll-end\"\u003e\n\u003cdiv class=\"table-content\" data-hveid=\"0\" data-ved=\"0CAAQ3ecQahgKEwjIrr3WpeeUAxUAAAAAHQAAAAAQvQE\"\u003e\n\u003ctable data-path-to-node=\"4\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan data-path-to-node=\"4,0,0,0\"\u003eSPECIFICATION\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan data-path-to-node=\"4,0,1,0\"\u003eDETAILS\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,1,0,0\"\u003e\u003cb data-path-to-node=\"4,1,0,0\" data-index-in-node=\"0\"\u003eModel Number\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,1,1,0\"\u003e351\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,2,0,0\"\u003e\u003cb data-path-to-node=\"4,2,0,0\" data-index-in-node=\"0\"\u003eManufacturer\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,2,1,0\"\u003eCAT Pumps\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,3,0,0\"\u003e\u003cb data-path-to-node=\"4,3,0,0\" data-index-in-node=\"0\"\u003ePump Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,3,1,0\"\u003eTriplex Plunger Pump (5-Frame)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,4,0,0\"\u003e\u003cb data-path-to-node=\"4,4,0,0\" data-index-in-node=\"0\"\u003eManifold Material\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,4,1,0\"\u003e316 Stainless Steel\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,5,0,0\"\u003e\u003cb data-path-to-node=\"4,5,0,0\" data-index-in-node=\"0\"\u003eMax Flow Rate\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,5,1,0\"\u003e5.0 GPM (18.9 LPM)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,6,0,0\"\u003e\u003cb data-path-to-node=\"4,6,0,0\" data-index-in-node=\"0\"\u003ePressure Range\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,6,1,0\"\u003e100 - 1500 PSI\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,7,0,0\"\u003e\u003cb data-path-to-node=\"4,7,0,0\" data-index-in-node=\"0\"\u003eTest Pressure\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,7,1,0\"\u003e1500 PSI\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,8,0,0\"\u003e\u003cb data-path-to-node=\"4,8,0,0\" data-index-in-node=\"0\"\u003eMax Pump Speed\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,8,1,0\"\u003e1725 RPM\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,9,0,0\"\u003e\u003cb data-path-to-node=\"4,9,0,0\" data-index-in-node=\"0\"\u003eInlet Port Size\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,9,1,0\"\u003e1\/2\" NPT(F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,10,0,0\"\u003e\u003cb data-path-to-node=\"4,10,0,0\" data-index-in-node=\"0\"\u003eDischarge Port Size\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,10,1,0\"\u003e3\/8\" NPT(F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,11,0,0\"\u003e\u003cb data-path-to-node=\"4,11,0,0\" data-index-in-node=\"0\"\u003eShaft Diameter\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,11,1,0\"\u003e0.787\" (20 mm) Solid\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,12,0,0\"\u003e\u003cb data-path-to-node=\"4,12,0,0\" data-index-in-node=\"0\"\u003eMax Liquid Temp (NBR)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,12,1,0\"\u003e160°F (71°C)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ctable width=\"459\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"86\"\u003ePump model\u003c\/td\u003e\n\u003ctd width=\"37\"\u003eFlow\u003c\/td\u003e\n\u003ctd width=\"33\"\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003ctd width=\"61\"\u003ePressure\u003c\/td\u003e\n\u003ctd width=\"32\"\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003ctd width=\"119\"\u003eManifold material\u003c\/td\u003e\n\u003ctd width=\"35\"\u003eRPM\u003c\/td\u003e\n\u003ctd width=\"28\"\u003eHP\u003c\/td\u003e\n\u003ctd width=\"28\"\u003ekW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003ctd\u003eGPM\u003c\/td\u003e\n\u003ctd\u003eLPM\u003c\/td\u003e\n\u003ctd\u003ePSI\u003c\/td\u003e\n\u003ctd\u003eBAR\u003c\/td\u003e\n\u003ctd\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"86\"\u003e351\u003c\/td\u003e\n\u003ctd width=\"37\"\u003e5\u003c\/td\u003e\n\u003ctd width=\"33\"\u003e18.9\u003c\/td\u003e\n\u003ctd width=\"61\"\u003e1500\u003c\/td\u003e\n\u003ctd width=\"32\"\u003e103\u003c\/td\u003e\n\u003ctd width=\"119\"\u003eSS\u003c\/td\u003e\n\u003ctd width=\"35\"\u003e1725\u003c\/td\u003e\n\u003ctd width=\"28\"\u003e5.1\u003c\/td\u003e\n\u003ctd width=\"28\"\u003e3.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eMax Volume: 5.0 GPM (19 L\/M)\u003cbr\u003eMax Discharge Pressure: 100 to 1500 PSI (7 to 105 Bar)\u003cbr\u003eMax inlet Pressure: Flooded to 60 PSI (4 Bar)\u003cbr\u003eMax RPM: 1725 RPM\u003cbr\u003eMax Horsepower: 5.2 HP\u003cbr\u003eBore: 0.787\" (20 mm)\u003cbr\u003eStroke: 0.472\" (12 mm)\u003cbr\u003eCrankcase Capacity: 18 oz. (0.55 L)\u003cbr\u003eMax Fluid Temperature: 160°F (71°C)\u003cbr\u003eInlet Ports: (2) 1\/2\" NPT\u003cbr\u003eDischarge Ports: (2) 3\/8\" NPT\u003cbr\u003eShaft Diameter(standard\/dual): 0.787\" (20 mm)\u003cbr\u003eWeight: 19.8 lbs (9 kg)\u003cbr\u003eDimensions Standard: 11.5 \" x 10.0 \" x 5.28 \" (292 x 254 x 134 mm)\u003cbr\u003eDimensions OEM: 11.5 \" x 8.35 \" x 5.28 \" (292 x 212 x 134 mm)\u003c\/p\u003e\n\u003cp\u003eOther Models Available Upon Request\u003c\/p\u003e","brand":"Cat Pumps","offers":[{"title":"Default Title","offer_id":32066492727394,"sku":"","price":4174.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2555\/0478\/files\/351_287.jpg?v=1777850487","url":"https:\/\/hydrocomponents.us\/products\/351-cat-triplex-positive-displacement-plunger-pump-5-0-gpm-1500-psi-direct-drive-316-stainless-steel-standard-nbr-buna-n-seals","provider":"Hydrocomponents \u0026 Technologies Inc.","version":"1.0","type":"link"}