Blood and blood product procurement

Heat-sealing machine (tube sealing heat sealer)

Sentong is a globally leading manufacturer of heat-sealing machines and holds the core technology for sealing blood bags. It allows users to select the appropriate energy level tailored to different types of blood bags, ensuring optimal sealing performance. Whether made of PVC or PE materials, Sentong’s machines can achieve perfect one-step molding. They are the best choice for heat-sealing various blood bags, stem cell bags, and single-donor plasma bags—both domestically and internationally.

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Heat-sealing machine (tube sealing heat sealer)

Product Introduction

Sentong is a globally leading manufacturer of heat-sealing machines and holds the core technology for sealing blood bags. It allows users to select the appropriate energy level tailored to different types of blood bags, ensuring optimal sealing performance. Whether made of PVC or PE materials, these machines can achieve perfect one-step molding. They represent the best choice for heat-sealing various blood bags, stem cell bags, and single-donor plasma bags—both domestically and internationally.

SE250 Tube Sealing Heat Sealer

• A ceramic-wrapped heat-sealing head design featuring patented technology ensures a smooth sealing surface, thereby preventing hemolysis.
• Multi-voltage protection and filtering/shielding design for safety and stability;
• Provides specialized solutions for different types of profiled pipes;
• Excellently designed electrically, it can perform a large number of high-intensity heat-sealing tasks in a short period of time;
• Rapid heat sealing—takes only 1 second and requires no preheating;
• A groove-shaped cut is reserved in the middle of the heat-sealed area; simply pull it apart by hand for easy separation.
• The heat-sealing width and thickness can be adjusted as needed;
• Ultra-wide sealing range, with a maximum diameter of up to 6 mm; safe and effective splash-proof protection device, easy-to-clean design; powered by AC electricity, equipped with multiple power protection features;
• Lightweight and convenient.

SE450 Tube-Sealing Heat Sealer

• The handheld heat-sealing handle is convenient and comfortable, offering an excellent tactile feel.
• Rapid heat sealing—takes only 1 second and requires no preheating;
• A groove-shaped cut is reserved in the middle of the heat-sealed area; simply pull it apart by hand for easy separation.
• Ultra-wide heat-sealing range, with a maximum diameter of up to 6 mm;
• 1.8-meter cable connection, suitable for long-distance heat sealing;
• Safe and effective splash-proof protection device with an easy-to-clean design;
• Powered by AC electricity, with multiple power protection devices;

SE700S Tube-Sealing Heat Sealer

• The handheld heat-sealing handle is convenient and comfortable, offering an excellent tactile feel.
• Rapid heat sealing—takes only 1 second and requires no preheating;
• A groove-shaped cut is reserved in the middle of the heat-sealed area; simply pull it apart by hand for easy separation.
• Ultra-wide heat-sealing range, with a maximum diameter of up to 6 mm;
• 1.8-meter cable connection, suitable for long-distance heat sealing;
• Powered by a high-capacity rechargeable battery;
• Built-in charger; full charge can be completed within 6 hours.
• Compact and lightweight, comes with a canvas carrying bag.

Technical Specifications: SE250, SE450, SE700S

Project		SE250 model	SE450 model	SE700 model
Heat sealing time		1 second	1 second	1 second
Hot bonding range		2~6 mm	2–6 mm	2–6 mm
Operating frequency		40.68MHz	40.68MHz	40.68MHz
Indicator light		Standby/Hot Bonding/Pending Inspection	Power/Heat Sealing	Battery/Charging/Heat Sealing
Power supply		110~240V, 50/60Hz
Line Control		Advanced transistor
Thermal bonding principle		High-power RF non-conductive rapid thermal bonding
Battery			-	12VDC/4.5AH, NiMH
Portable bag		-	-	Black canvas backpack
Size (W × H × D)	Host Handle	175150300mm -	106×150×260mm 2844204mm	148×34×252mm 2844204mm
Weight	Host Handle	6.0Kg -	3.5Kg 0.2 kg	1.7Kg 0.2 kg
Working environment temperature		0-40℃	0-40℃	0-40℃

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