{"product_id":"st-shengtuo-hvac-valve-core-for-r410a-r32-r22-pack-of-50-high-pressure-teflon-seal","title":"ST shengtuo HVAC Valve Core for R410A R32 R22 — Pack of 50, High-Pressure Teflon Seal","description":"\u003cp\u003e\u003cstrong\u003eST Shengtuo Valve Core is a high-pressure replacement core with a Teflon seal designed for R410, R32 and R22 refrigeration and air-conditioning systems, supplied in a convenient pack of 50.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis valve core is built for technicians, service shops and facility managers who need a reliable replacement part for high-pressure HVAC and refrigeration valves. Manufactured to meet demanding pressure requirements, the core uses a durable Teflon sealing seat to reduce leak risk and extend service life. The bulk pack saves time and ordering overhead for routine maintenance or multi-unit installs.\u003c\/p\u003e\n\n\u003ch3\u003eWill this valve core work with my R410A, R32 or R22 system?\u003c\/h3\u003e\n\n\u003cp\u003eYes—these cores are designed to fit standard service ports commonly used in R410A, R32 and R22 systems. They follow conventional sizing and thread patterns so they install into typical Schrader-style access ports used across residential and commercial equipment.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eCompatible with standard Schrader-style access valves used on many HVAC units\u003c\/li\u003e\n  \u003cli\u003eSuitable for common refrigerants including R410A, R32 and R22\u003c\/li\u003e\n  \u003cli\u003eBulk quantity ensures you have spares for multiple systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the Teflon seal improve performance and durability?\u003c\/h3\u003e\n\n\u003cp\u003eThe Teflon (PTFE) sealing surface resists wear, chemical attack and deformation under pressure better than many elastomers, helping maintain a tight shutoff and reducing the chance of slow leaks. This makes it a practical choice for high-pressure refrigeration lines where long-lasting sealing is important.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eTeflon material offers chemical resistance to refrigerants and oils\u003c\/li\u003e\n  \u003cli\u003eMaintains sealing integrity under repeated service cycles\u003c\/li\u003e\n  \u003cli\u003eReduces maintenance frequency compared with softer seals\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I install and test these valve cores safely?\u003c\/h3\u003e\n\n\u003cp\u003eInstallation follows standard HVAC service procedures: depressurize and recover refrigerant as required, remove the old core with a core removal tool, then thread in the new core and torque to hand-tight plus a small fraction. After installation, use a pressure gauge or leak detector to confirm a secure seal.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eUse a proper valve-core removal and installation tool for best results\u003c\/li\u003e\n  \u003cli\u003eFollow safety and refrigerant-handling regulations when servicing systems\u003c\/li\u003e\n  \u003cli\u003eVerify with pressure tests or electronic leak detectors after fitment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat quantity and value does the pack of 50 provide?\u003c\/h3\u003e\n\n\u003cp\u003eThe pack contains 50 identical high-pressure valve cores, allowing service teams and installers to stock up and avoid frequent reordering. Buying bulk lowers per-core cost and ensures spare parts are available during field work or routine maintenance cycles.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003ePack of 50 reduces administrative and shipping overhead\u003c\/li\u003e\n  \u003cli\u003eGood for multi-unit installations, service vans or stocking parts rooms\u003c\/li\u003e\n  \u003cli\u003eConsistent parts reduce variability across repairs and replacements\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: HVAC technicians, refrigeration contractors, maintenance supervisors and facilities teams who handle high-pressure systems and need a dependable, easy-to-install valve core solution. If you maintain multiple units, operate service vans, or manage preventive maintenance programs, this bulk pack provides the spare parts and sealing performance expected in commercial and residential service work.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these valve cores compatible with R410A systems?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. These valve cores fit standard Schrader-style service ports commonly used on R410A systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How many valve cores come in one pack?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: This listing includes a pack of 50 valve cores, ideal for multiple repairs or stocking a service van.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ST shengtuo","offers":[{"title":"Default Title","offer_id":67593121333433,"sku":"B0DDPTH1ZK","price":56.69,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/st-shengtuo-front-packaging.jpg?v=1790572074","url":"https:\/\/redleafauto.ca\/products\/st-shengtuo-hvac-valve-core-for-r410a-r32-r22-pack-of-50-high-pressure-teflon-seal","provider":"Redleaf Auto","version":"1.0","type":"link"}