Pulse welding machines SF

Tax included
We deliver within 2 - 7 days
Length of the heating part:


Pulse welding machine with cutting knife to close bags and foils.

In this type of welder, the heating wire is not heated permanently, but only when compressing the handle. To heat the welding wire heating time with the potentiometer according to the bag thickness. The shutdown is automatic, always after the set interval has elapsed. The welder has a clipping knife that allows the clutter or foil after welding.

The welder is all-metal and intended only for small operations (welding capacity 20 to 50 bags in a piece, then it is necessary to unplug the welder and let it cool down for about 1 hour). If this procedure is not followed and the welding machine is overloaded, the transformer will burn out and a claim cannot be accepted for this defect.

The sealer is suitable for: Doypack bags and some types of Boxpack bags


Welding machine type: Impulse lever with cutting knife

Weld width: 2.5 mm

Maximum welding foil thickness: 2 x 200 μm

Supply voltage: 230 V / 50 Hz

Heating length and power: 200 mm / 300 W

                                             300 mm / 450 W

                                            400 mm / 600 W

Product Details


    • Two layer bags

      Two-layer block bottom bags from a kraft paper, with OPP foil or artificial parchment inside, with a high degree of protection against light, moisture and aromas.

    • Three layer bags

      Three-layer paper bags with a block bottom in mono colors. The pockets have a metallized foil, they are not sealable. The paper bags are without pre-printed weight.

    • Sáčky s okienkom

      Bags with window are equipped with a transparent window. The bags are ideal for packing coffee or tea, for a great presentation of your product.

    • Bags from sustainable materials

      Assortment of ecological products has been expanded with a new type of packaging material. Pockets made of innovative paper that comes from renewable sources.

    • Coffee bags

      Coffee bags Pockets can be sealed with pulse welding or welding pliers. Re-shutting zip keeps freshness of coffee even after the bag open.

    • Vrecká s plochým dnom a ZIPBlog bottom bags with ZIP

      Blog bottom bags with ZIP The three-layer paper bag with a flat bottom is made of unbleached kraft paper and two foils BOPA and CPP. The bag has the shape of a box after filling.

    • Transparent bags

      Transparent bags Polypropylene was developed in the fifties and is resistant to chemical solvents, alkalis, acids and also to the growth of bacteria.

    • Doypack bags

      Doypack bags Bag of multilayer metallized film with a special zipper that allows reclosing of the bag. The material is 100% airtight, opaque and inert towards the content and sufficiently resistant to tearing.

    • Uzatváracie lišty na sáčky

      Closing clips Looking for a simple and sustainable way to open and (re) enter into bags? Closing clips are the best and cheapest solution for use and sealing bags for a long time.

    • Welders

      Welders Hand and semi-automatic pulse welding machines and welding pliers for welding bags. Type selection according to traffic requirements.

    • Welding pliers

      Welding pliers Hand, permanently heated pliers suitable for all types of our bags.

    • Spare parts for welding machines

      Spare parts for welding machines

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