{"product_id":"dosatron-d128r-piston-shell","title":"Dosatron® D128R Piston Shell","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\u003cp\u003eA cracked or worn piston shell on a Dosatron injector can paralyze your entire fertigation setup during the most critical weeks of the growing season. When chemical delivery fails, your crops face immediate nutrient deficiencies, and your crews lose valuable hours troubleshooting rather than staying on schedule for installations. With peak season demand surging and global supply chains remaining unpredictable, waiting for a backordered part during a heatwave is a risk your operation cannot afford. Carrying a spare D128R Piston Shell ensures that you can perform field repairs instantly, keeping your water systems operational and your clients satisfied with consistent results.\u003c\/p\u003e\u003cp\u003eThe Dosatron D128R Piston Shell is engineered with reinforced chemical resistant materials that outperform generic aftermarket components. While lower grade plastics often warp or degrade under the stress of high pressure and concentrated fertilizers, this genuine OEM part maintains its structural integrity and tolerances. This precision fit reduces internal friction, which extends the life of your seals and minimizes the labor hours required for repeated maintenance. By stocking genuine Dosatron components, you provide your team with the most reliable parts available, maintaining a competitive edge through superior system uptime and reduced long term repair costs.\u003c\/p\u003e\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eHigh Density Chemical Resistant Composite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eDosatron D128R Series Injectors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eComponent Type\u003c\/td\u003e\n\u003ctd\u003ePiston Shell Assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003eMatching D128R Unit Specifications (Up to 60 PSI)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\/Finish\u003c\/td\u003e\n\u003ctd\u003eOpaque White \/ Natural\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eDosatron International\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eAvailable Models \u0026amp; Sizes\u003c\/h3\u003e\u003cp\u003eThis specific shell is designed exclusively for the D128R 6 GPM series injectors; however, we stock a comprehensive inventory of shells and seal kits for the D14, D25, and D8 series. Please contact our technical sales team for full configurations or bulk pricing for your service fleet.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eGenuine OEM construction ensures perfect fitment and prevents the bypass issues common with third party parts.\u003c\/li\u003e\n\u003cli\u003eReinforced composite material provides excellent resistance to harsh fertilizers, acids, and many common irrigation chemicals.\u003c\/li\u003e\n\u003cli\u003ePrecision molded threads allow for secure attachment and a leak free seal under standard operating pressures.\u003c\/li\u003e\n\u003cli\u003eSmooth internal bore reduces wear on the piston seals to extend service intervals for your crews.\u003c\/li\u003e\n\u003cli\u003eUrethane blended additives protect the shell from environmental stressors in outdoor or greenhouse environments.\u003c\/li\u003e\n\u003cli\u003eSimple drop in design allows for rapid field replacement without the need for specialized heavy machinery.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCommon Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCommercial landscape irrigation\u003c\/li\u003e\n\u003cli\u003eAgricultural and crop irrigation\u003c\/li\u003e\n\u003cli\u003eGreenhouse and nursery operations\u003c\/li\u003e\n\u003cli\u003eChemical and fertigation delivery\u003c\/li\u003e\n\u003cli\u003eMunicipal parks and public spaces\u003c\/li\u003e\n\u003cli\u003eSports turf and golf course maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eInstallation Notes\u003c\/h3\u003e\u003cp\u003eBefore installing the new D128R Piston Shell, ensure the injector body is depressurized and disconnected from the main water supply. Use a standard strap wrench or hand pressure to unscrew the old shell to avoid cracking the main housing. Lubricate any associated O-rings with a manufacturer approved silicone based lubricant to ensure a watertight fit and prevent binding during reassembly. Always follow local plumbing codes regarding backflow prevention when servicing chemical injection equipment.\u003c\/p\u003e","brand":"Dosatron","offers":[{"title":"Default Title","offer_id":52158386864417,"sku":"120688","price":39.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/8458\/3969\/files\/120688_PR_76b9fc20-d3ee-45b3-b9ea-ba8f3e93811a.png?v=1766410156","url":"https:\/\/asiwsupply.com\/products\/dosatron-d128r-piston-shell","provider":"ASIW","version":"1.0","type":"link"}