{"product_id":"dosatron-d128r-slide-valve-spring","title":"Dosatron® D128R Slide Valve Spring","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\u003cp\u003eA snapped or fatigued slide valve spring can halt your entire fertigation process, leading to uneven nutrient delivery and potential crop loss during critical growth stages. When your Dosatron unit goes down during peak fertigation windows, the delay in sourcing replacement components can result in visible turf stress or diminished yields. With global supply chains frequently experiencing back-orders on specialized internal components, waiting for a failure to occur puts your project deadlines at risk. Maintaining a stock of these essential springs ensures that your systems remain operational and your clients stay satisfied through the height of the season.\u003c\/p\u003e\u003cp\u003eThe Dosatron D128R Slide Valve Spring is engineered specifically for the bypass and injection mechanics of the D128R series, offering superior fatigue resistance compared to generic aftermarket alternatives. By using authentic manufacturer parts, you reduce the frequency of maintenance intervals and prevent the excessive wear on the piston assembly that occurs when using incorrect spring tensions. Investing in genuine components secures your reputation for reliability, as your installs will require fewer emergency service calls and maintain precise injection ratios over a longer service life.\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-Grade Stainless Spring Steel\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\u003eSlide Valve Tension Spring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003eMatches D128R Unit Specifications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCorrosion Resistance\u003c\/td\u003e\n\u003ctd\u003eResistant to standard fertilizers and acids\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\/Finish\u003c\/td\u003e\n\u003ctd\u003eNatural Metallic\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 spring is designed as a direct replacement part for the D128R injector series. For larger D25 or D14 series units, or for full seal and maintenance kits, please contact our sales team for specific configurations and volume pricing.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFabricated from premium stainless steel to prevent corrosion when exposed to concentrated chemical solutions.\u003c\/li\u003e\n\u003cli\u003ePrecision tension calibrated to ensure immediate slide valve response and consistent injection cycles.\u003c\/li\u003e\n\u003cli\u003eDirect OEM fitment eliminates the need for field modifications during repair or routine servicing.\u003c\/li\u003e\n\u003cli\u003eHigh fatigue life rating allows for millions of cycles before requiring replacement.\u003c\/li\u003e\n\u003cli\u003eSmooth finish reduces friction against internal plastic housings, extending the life of the entire piston assembly.\u003c\/li\u003e\n\u003cli\u003eCompact design allows for easy storage in service van organizers for rapid on-site troubleshooting.\u003c\/li\u003e\n\u003cli\u003eEnsures the system resets correctly after every stroke to maintain dosing accuracy.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCommon Applications\u003c\/h3\u003e\u003cul\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\u003eCommercial landscape irrigation\u003c\/li\u003e\n\u003cli\u003eSports turf and golf course maintenance\u003c\/li\u003e\n\u003cli\u003eMunicipal parks and public spaces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eInstallation Notes\u003c\/h3\u003e\u003cp\u003eBefore installing the new slide valve spring, ensure the water supply is turned off and the internal pressure of the Dosatron unit is fully bled. Use a standard screwdriver or the recommended Dosatron wrench to access the piston housing; take care to inspect the slide valve for debris or mineral buildup while the unit is disassembled. Direct replacement does not require specialized tools, but installers should ensure the spring is seated firmly in its guide to avoid binding during operation.\u003c\/p\u003e","brand":"Dosatron","offers":[{"title":"Default Title","offer_id":52158387257633,"sku":"120650","price":1.55,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/8458\/3969\/files\/120650_PR.png?v=1766409970","url":"https:\/\/asiwsupply.com\/products\/dosatron-d128r-slide-valve-spring","provider":"ASIW","version":"1.0","type":"link"}