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                "text": "Tech Bulletin 095 - Galling Prevention",
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                "text": "Tech Bulletin 134 - Piston and Plunger Pump Crankcase Capacities",
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            {
                "text": "Service Bulletin 004 - 35 Frame Crankcase Oil Seal Replacement Tool Kit",
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        "custom_fields": {
            "model": "3631XD",
            "product_type": "pump",
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            "max_psi": "1200",
            "max_bar": "83",
            "shaft": null,
            "min_pressure": null
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        "description": "This triplex (three plunger rods) positive displacement, reciprocating plunger pump is part of the **Cat Pumps XD-Series**, engineered specifically for low-lubricity deionized (DI) water applications. The model 3631XD features a 316 stainless steel inlet manifold, duplex stainless steel discharge manifold, 316 stainless steel valve assemblies, solid ceramic plungers, and standard NBR (Buna-N) O-rings.\n\n**XD-Series pumps incorporate advanced X-Series high-pressure packing technology along with a proprietary low-pressure seal design that eliminates the need for a freshwater flush. A precision-machined crankcase with upgraded connecting rod and plunger rod materials ensures smooth, continuous-duty performance in ultra-pure DI water applications.**",
        "created_at": "2026-08-23 08:08:45",
        "variations": []
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}