{"product_id":"yongheng-oil-free-air-compressor-4500psi-efficient-rifle-tank-refills","title":"YONGHENG 4500Psi\/300Bar PCP Air Compressor - Fast Two-Stage Fill","description":"\u003cp\u003eIn this review of the YONGHENG 4500Psi\/300Bar PCP Air Compressor, the bottom line is simple: it is a purpose-built high-pressure pump for serious PCP shooters, scuba divers, and anyone who needs a fast, repeatable fill to 300BAR. The model stands out because of its two-stage compression, dual water-oil separators, and a cooling system designed around water and fan cooling that together deliver a quick-fill performance that can charge a 6.8L tank in roughly 30 minutes. For workshops or field use where oil-free output and stable pressure matter, this compressor is worth considering.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e300BAR working pressure:\u003c\/strong\u003e Capable of reaching 300BAR (4500PSI), it meets the demand of most PCP airrifle and scuba tank fills.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo-stage compression:\u003c\/strong\u003e The two-stage design improves efficiency and stability during long fill cycles, reducing stress on internal components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuick-fill performance:\u003c\/strong\u003e With a flow around 50L\/min and 2800 r\/min pump speed, it can fill a 6.8L tank to 300BAR in about 30 minutes under ideal conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater and fan cooling:\u003c\/strong\u003e The supplied cooling system requires fresh cooling water every 30 minutes to maintain smooth operation and protect the pump.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOil-free output and separators:\u003c\/strong\u003e Two water-oil separators and oil-free delivery help keep fills clean for breathing use and sensitive equipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobust construction:\u003c\/strong\u003e Alloy air cylinders and quality components promise long-term durability for frequent fills.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThis compressor is aimed at hobbyists and professionals who regularly fill PCP air rifles, paintball tanks, and smaller scuba cylinders and need reliable, oil-free, high-pressure fills up to 300BAR. Its 1800W motor and 50L\/min flow make it suitable for users who plan multiple fills in a session and who can provide the required cooling water and a ventilated workspace.\u003c\/p\u003e\u003cp\u003eIt is less suitable for occasional users who need a lightweight, portable inflator for tires or small gear, and those who cannot provide the cooling water routine or manage the unit's 19 kg net weight and 80 dB noise level should look at lower-pressure, quieter alternatives.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHigh maximum pressure to 300BAR supports PCP rifles and many scuba fills.\u003c\/li\u003e\n\u003cli\u003eTwo-stage compression with dual separators gives stable, clean output for breathing or shooting use.\u003c\/li\u003e\n\u003cli\u003eFast filling rate for its class, filling a 6.8L tank in approximately 30 minutes.\u003c\/li\u003e\n\u003cli\u003eDurable alloy cylinder and sturdy components built for repeated use.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eRequires a cooling water supply and water changes every 30 minutes, which adds setup and maintenance needs.\u003c\/li\u003e\n\u003cli\u003eAt about 80 dB and 19 kg, it is relatively noisy and not very portable for casual field use.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorking Pressure\u003c\/td\u003e\n\u003ctd\u003e300BAR \/ 4500PSI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Rating\u003c\/td\u003e\n\u003ctd\u003e1800W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlow Rate\u003c\/td\u003e\n\u003ctd\u003e50L\/min\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePump Speed\u003c\/td\u003e\n\u003ctd\u003e2800 r\/min\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling\u003c\/td\u003e\n\u003ctd\u003eWater and fan cooling (replace water every 30 min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNoise\u003c\/td\u003e\n\u003ctd\u003e80DB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e19.00 KG (110V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe YONGHENG 4500Psi\/300Bar PCP Air Compressor is a solid choice for serious shooters, dive technicians, and workshops that need oil-free, high-pressure fills reliably. Its two-stage design, dual separators, and respectable flow rate deliver good value for anyone who can accommodate the cooling routine and manage its size and noise. For regular fills to 300BAR it is a practical, durable option.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eDo I need to use water with this compressor?\u003c\/strong\u003e\u003cbr\u003eYes, the unit uses water and fan cooling; you must prepare cooling water and replace it about every 30 minutes for safe operation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow long to fill a 6.8L tank to 300BAR?\u003c\/strong\u003e\u003cbr\u003eUnder the specified conditions the pump's quick-fill performance takes about 30 minutes to fill a 6.8L tank to 300BAR.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the output oil-free for breathing fills?\u003c\/strong\u003e\u003cbr\u003eThe compressor is oil-free and includes two water-oil separators to keep delivered air clean for sensitive applications.\u003c\/p\u003e","brand":"TUXING","offers":[{"title":"Default Title","offer_id":46769456054491,"sku":"B0D2RPC4N1","price":299.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71rdTiRotEL._AC_SL1500.jpg?v=1747660641","url":"https:\/\/gearmusthave.com\/products\/yongheng-oil-free-air-compressor-4500psi-efficient-rifle-tank-refills","provider":"GearMustHave","version":"1.0","type":"link"}