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            "Max Pressure": "2000",
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            "Discharge Port Size": "1\" NPT(F)",
            "RPM": "888",
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            "Material": "316 Stainless Steel"
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                "text": "38 Frame Block-Style Plunger Service Manual",
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                "text": "Tech Bulletin 125 - 35 and 38 Frame Crankcase Changes",
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            {
                "text": "Tech Bulletin 002 - Inlet Pressure vs. Water Temperature",
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                "text": "Tech Bulletin 024 - Lubrication of Lo-Pressure Seals",
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                "text": "Tech Bulletin 035 - Servicing Crankcase Section - Roller Bearing Models",
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                "text": "Tech Bulletin 036 - Identifying Your Pump",
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                "text": "Tech Bulletin 043 - Servicing the Low and High Pressure Seals",
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                "text": "Tech Bulletin 053 - Liquid Gasket for Seal and Valve Servicing",
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                "text": "Tech Bulletin 083 - Winterizing a Pump",
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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": "3831_0.STEP",
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                "text": "3831_0.IGS",
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            {
                "text": "Service Bulletin 001 - 35 and 38 Frame Plunger Pump Bell Housing Mounting",
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            {
                "text": "Service Bulletin 004 - 35 Frame Crankcase Oil Seal Replacement Tool Kit",
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        "custom_fields": {
            "model": "3831HS - ALT SPEC",
            "product_type": "pump",
            "status": "",
            "replaced_by": "",
            "max_psi": "2000",
            "max_bar": "138",
            "shaft": null,
            "min_pressure": null
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        "description": "This triplex (three plunger rods) positive displacement, reciprocating plunger pump is constructed with 316 stainless steel block-style manifolds, 316 stainless steel valve assemblies, solid ceramic plungers and standard NBR (Buna-N) seals and O-rings.\n\n**High-strength connecting rods and plunger rods allow high flow and operating pressure for intermittent use on this \"HS\" Series pump.** Intermittent use is defined as operating the pump at the maximum rated flow and pressure for no more than 50% of the time in any given hour.",
        "created_at": "2026-08-23 08:08:45",
        "variations": []
    }
}