{"product_id":"qlf-700a-heavy-duty-pneumatic-bag-sealer-for-fertilizer-chemical-agricultural-50kg-woven-bags","title":"QLF-700A Heavy-Duty Pneumatic Bag Sealer for Fertilizer, Chemical \u0026 Agricultural 50kg Woven Bags","description":"\u003ch2\u003eQLF-700A Heavy-Duty Pneumatic Bag Sealer\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eThe Go-To Sealing Machine for Farms, Fertilizer Plants, and Chemical Factories\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eIf your operation packages \u003cstrong\u003efertilizer, chemical powder, pesticides, grain, or agricultural products\u003c\/strong\u003e into 15–50 kg PP woven or multi-layer laminated bags — the QLF-700A is built exactly for you. Powerful pneumatic pressure, double-sided heating, and a 50 kg roller conveyor mean \u003cstrong\u003eone operator can seal heavy bags all day, fast and consistently\u003c\/strong\u003e, without fatigue or extra manpower.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003e🎯 Perfect For Your Industry\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eIndustry\u003c\/th\u003e\n\u003cth\u003eTypical Products Sealed\u003c\/th\u003e\n\u003cth\u003eWhy QLF-700A Works\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e🌾 \u003cstrong\u003eFarms \u0026amp; Agricultural Stations\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003ctd\u003eGrain, animal feed, seeds, crop products\u003c\/td\u003e\n\u003ctd\u003eHandles 50 kg bags; one operator; mobile casters for flexible use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e🧪 \u003cstrong\u003eFertilizer Plants\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003ctd\u003eCompound fertilizer, organic fertilizer, NPK bags\u003c\/td\u003e\n\u003ctd\u003eDouble-sided heating seals thick PP laminated bags perfectly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e⚗️ \u003cstrong\u003eChemical \u0026amp; Pesticide Factories\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003ctd\u003eChemical powder, granules, pesticide bags\u003c\/td\u003e\n\u003ctd\u003eAirtight seals prevent leakage; handles multi-layer composite bags\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e🌽 \u003cstrong\u003eGrain \u0026amp; Feed Mills\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003ctd\u003eRice, flour, corn, livestock feed\u003c\/td\u003e\n\u003ctd\u003eHigh-speed 2–10 m\/min sealing; connectable to production lines\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e🏗️ \u003cstrong\u003eIndustrial \u0026amp; Construction\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003ctd\u003eCement, sand, mineral powder bags\u003c\/td\u003e\n\u003ctd\u003e50 kg load capacity; widened stable frame for heavy-duty use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch2\u003e🔥 Feature 05 · Single \u0026amp; Double-Sided Heating — Built for Thick, Heavy-Duty Bags\u003c\/h2\u003e\u003cp\u003e🚨 \u003cstrong\u003eCritical for thick multi-layer composite bags and heavy 50 kg woven bags.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eStandard sealers fail on thick laminated bags — the QLF-700A doesn’t. With \u003cstrong\u003epowerful pneumatic pressure\u003c\/strong\u003e and optional \u003cstrong\u003edouble-sided simultaneous heating\u003c\/strong\u003e, it delivers strong, airtight seals even on the toughest packaging materials used in chemical and agricultural industries.\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003eSingle-Sided Heating\u003c\/th\u003e\n\u003cth\u003eDouble-Sided Heating\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBest For\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard PP film, ordinary bags ≤0.2mm\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eThick multi-layer composite bags, M-shaped bags ≥0.2mm\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTypical Use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGrain, feed, general agricultural bags\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eFertilizer, chemical powder, pesticide 50 kg woven bags\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHeating Method\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOne side heated\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eBoth sides heated simultaneously — deeper penetration, stronger seal\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeal Result\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStrong — for most applications\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum strength — no leakage, no reopening under load\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e⚠️ \u003cem\u003eDouble-sided heating is an optional upgrade. Contact us when ordering to specify your requirement.\u003c\/em\u003e\u003c\/p\u003e\u003chr\u003e\u003ch2\u003e📐 Feature 03 · Adjustable Height — Fits Any Bag Size\u003c\/h2\u003e\u003cp\u003eThe roller conveyor table features a \u003cstrong\u003emechanical lifting mechanism with built-in height ruler\u003c\/strong\u003e. Freely adjust the sealing height to match your bag dimensions — no tools needed. Switch between different bag sizes throughout the day without downtime.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e✅ Adjustable height for bags of any size\u003c\/li\u003e\n\u003cli\u003e✅ Built-in ruler for repeatable, consistent setup\u003c\/li\u003e\n\u003cli\u003e✅ Tool-free adjustment — fast changeover between bag types\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003e🔧 Control Panel — 3 Key Settings, Simple Operation\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eSet temperature, sealing time, and cooling time — then press start. That’s it.\u003c\/strong\u003e No complex programming. Any worker can operate it after a 5-minute briefing.\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eControl\u003c\/th\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003cth\u003eRecommended Setting for Heavy Bags\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Selector\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSets heating level (0–300°C)\u003c\/td\u003e\n\u003ctd\u003eHigh setting for thick PP laminated \/ multi-layer bags\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSealing Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHeat dwell time per seal\u003c\/td\u003e\n\u003ctd\u003eLonger dwell for 50 kg thick woven bags — ensures full penetration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCooling Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSeal solidification time\u003c\/td\u003e\n\u003ctd\u003eAdequate cooling prevents seal from reopening under bag weight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEmergency Stop\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eInstant full shutdown\u003c\/td\u003e\n\u003ctd\u003eAlways accessible for safe operation in industrial environments\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch2\u003e📦 Feature 02 · Roller Conveyor — 50 kg Load, Zero Lifting\u003c\/h2\u003e\u003cp\u003eSmooth-surface rollers move bags effortlessly into the sealing position. \u003cstrong\u003eNo lifting, no team required.\u003c\/strong\u003e One operator handles the full process from bag placement to sealed output.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003e50 kg max load — handles the heaviest fertilizer and chemical bags\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e✅ Smooth rollers minimize resistance — energy-efficient and operator-friendly\u003c\/li\u003e\n\u003cli\u003e✅ Connectable to existing production lines for automated workflows\u003c\/li\u003e\n\u003cli\u003e✅ Standalone operation also supported\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003e⚡ Full Feature Summary\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePneumatic Downward Sealing\u003c\/strong\u003e — bag stays on the ground; no lifting required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDouble-Sided Heating Option\u003c\/strong\u003e — maximum seal strength for thick multi-layer bags\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e50 kg Roller Conveyor\u003c\/strong\u003e — one-person operation for the heaviest bags\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Height (with ruler)\u003c\/strong\u003e — fits any bag height, fast changeover\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0–300°C Temperature Range\u003c\/strong\u003e — suitable for all PP woven and laminated materials\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMobile Casters\u003c\/strong\u003e — reposition anywhere in your facility instantly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidened Stable Frame\u003c\/strong\u003e — no tipping or vibration during heavy-duty sealing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEmergency Stop\u003c\/strong\u003e — industrial-grade safety for factory environments\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003e📐 Technical Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eQLF-700A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e220V \/ 50Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e1 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSealing Speed\u003c\/td\u003e\n\u003ctd\u003e2–10 m\/min\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeal Width\u003c\/td\u003e\n\u003ctd\u003e10 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e0–300 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. Seal Length\u003c\/td\u003e\n\u003ctd\u003e≤ 700 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax. Load Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e50 kg\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (W × D × H)\u003c\/td\u003e\n\u003ctd\u003e830 × 685 × 1460 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorking Air Pressure\u003c\/td\u003e\n\u003ctd\u003e0.4–0.6 MPa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch2\u003e✅ Why Buyers Choose QLF-700A\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBuyer Pain Point\u003c\/th\u003e\n\u003cth\u003eQLF-700A Solution\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eThick laminated bags won’t seal properly\u003c\/td\u003e\n\u003ctd\u003eDouble-sided heating — full penetration, airtight seal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e50 kg bags require multiple workers to lift\u003c\/td\u003e\n\u003ctd\u003eRoller conveyor + downward sealing — one operator only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDifferent bag heights slow production\u003c\/td\u003e\n\u003ctd\u003eAdjustable height conveyor with ruler — fast changeover\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMachine too complex for factory workers\u003c\/td\u003e\n\u003ctd\u003e3-dial setup — operational in under 5 minutes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNeed to move machine between stations\u003c\/td\u003e\n\u003ctd\u003eMobile casters — reposition in seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeal breaks under bag weight in transit\u003c\/td\u003e\n\u003ctd\u003ePneumatic pressure + cooling time — seal holds under load\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e📩 \u003cstrong\u003eFarms, fertilizer plants, chemical factories, grain mills, and industrial operations — contact us for a quote, custom configuration, or volume pricing. We respond within 24 hours.\u003c\/strong\u003e\u003c\/p\u003e","brand":"LF","offers":[{"title":"Default Title","offer_id":47424034734251,"sku":"QLF-700A","price":0.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/0211\/9083\/files\/image_b39c924c.png?v=1784269891","url":"https:\/\/noble-in.com\/products\/qlf-700a-heavy-duty-pneumatic-bag-sealer-for-fertilizer-chemical-agricultural-50kg-woven-bags","provider":"我的商店","version":"1.0","type":"link"}