{"product_id":"nema-56c-frame-gsm25-oil-transfer-gear-pump","title":"Monster GSM25 Pumphead -  NEMA 56C Frame","description":"\u003cp\u003e\u003cstrong\u003eThe GSM25 pumphead in a NEMA 56C close-coupled configuration. Bolts directly to any standard NEMA 56C motor. Flow rate scales with motor speed: 12 GPM at 1800 RPM, 20 GPM at 2850 RPM, 25 GPM at 3450 RPM. When your pumphead wears out, replace it without touching the motor.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCast iron body, helical cut steel gears, Viton seals, 1 inch NPT ports. The 14mm keyed shaft connects to your motor via a standard coupler. Self priming. No pressure relief valve — the outlet must remain open during operation.\u003c\/p\u003e\n\u003ch4\u003eFlow Rate and Motor Guide\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1800 RPM, 12 GPM\u003c\/strong\u003e — Cold motor oil, waste oil. Minimum 3\/4 HP.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3450 RPM, 25 GPM\u003c\/strong\u003e — Light oils (diesel, warm ATF, hydraulic). Minimum 3\/4 HP.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3450 RPM, 25 GPM\u003c\/strong\u003e — Heavier oils (cold motor oil, heavy gear oil). 1 HP to 2 HP recommended.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e W2083\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMount:\u003c\/strong\u003e NEMA 56C Close-Coupled\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e Positive Displacement Gear Pump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow Rate:\u003c\/strong\u003e 12 GPM at 1800 RPM, 20 GPM at 2850 RPM, 25 GPM at 3450 RPM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelf Priming:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePort Size:\u003c\/strong\u003e 1 inch NPT Inlet and Outlet\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShaft Size:\u003c\/strong\u003e 14mm keyed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeals:\u003c\/strong\u003e Viton (high temp)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressure Relief:\u003c\/strong\u003e None, outlet must remain open during operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody:\u003c\/strong\u003e Cast Iron\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGears:\u003c\/strong\u003e Helical cut carbon steel\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eWhat's in the Box\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eGSM25 Cast Iron Gear Pumphead (NEMA 56C Mount)\u003c\/li\u003e\n\u003cli\u003eTwo (2) 1 inch NPT to 1.25 inch Hose Barbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eNote: Motor, shaft coupler, handle, base, and hoses are not included. This pumphead has no pressure relief valve. Never run against a closed valve or blocked outlet.\u003c\/em\u003e\u003c\/p\u003e","brand":"Goldstream Pumps","offers":[{"title":"Default Title","offer_id":45094723289122,"sku":"W2083","price":463.08,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0870\/4327\/6834\/files\/w2083_nema_56c_frame_wcb-75_oil_transfer_gear_pump_head_mainimage01.jpg?v=1774381399","url":"https:\/\/goldstreampumps.com\/products\/nema-56c-frame-gsm25-oil-transfer-gear-pump","provider":"Goldstream Pumps","version":"1.0","type":"link"}