{"product_id":"sealer-sales-kf-400df-16-kf-series-foot-operated-direct-heat-sealer-with-15-mm-meshed-seal-width","title":"Sealer Sales KF-400DF 16\" KF-Series Foot Operated Direct Heat Sealer with 15 mm Meshed Seal Width","description":"\u003cp\u003eThe Sealer Sales KF-400DF is a 16\" KF-Series foot operated direct heat sealer with a 15 mm meshed seal. Direct heat sealers use both jaws heated simultaneously so the heat penetrates from both sides at once. This is the right configuration for thicker materials and barrier films that an impulse sealer cannot fully bond, including coated aluminum foil, Kraft paper, cellophane, mylar, and coated polypropylene.\u003c\/p\u003e\u003ch3\u003eDirect Heat for Thicker Films and Barrier Materials\u003c\/h3\u003e\u003cp\u003eBoth jaws are heated, both stay at the controller setpoint, so the KF-400DF pushes heat into the seal from both sides during the dwell. This is what allows direct heat sealers to bond materials that impulse sealers struggle with: coated aluminum foil, Kraft paper, cellophane, mylar, coated PP, and thicker laminates. Direct heat sealers cannot seal polyethylene; for poly bags use an impulse sealer instead.\u003c\/p\u003e\u003ch3\u003eDigital Temperature Controller, 125 to 600°F\u003c\/h3\u003e\u003cp\u003eA digital temperature controller holds the jaws at the setpoint from 125°F to 600°F (50 to 320°C). Once the correct setting is reached, consistent seals are maintained automatically without operator adjustment between cycles.\u003c\/p\u003e\u003ch3\u003eMeshed Seal Pattern\u003c\/h3\u003e\u003cp\u003eThe 15 mm meshed seal applies pressure across a textured pattern instead of a flat line. The mesh gives the seal additional surface area for grip on stiffer materials and creates a recognizable seal pattern on the finished package.\u003c\/p\u003e\u003ch3\u003eHands-Free Foot Pedal Operation\u003c\/h3\u003e\u003cp\u003eThe foot pedal triggers the seal cycle so both operator hands stay on the bag. Insert the material between the two jaws, press the pedal, and release. An adjustable worktable is included to position the bag at the right depth below the seal bar.\u003c\/p\u003e\u003ch3\u003eSized to the Bag\u003c\/h3\u003e\u003cp\u003eThe 16\" jaw fits 16\" of seal length in one stroke. The KF DF series is available in 8 inch, 12 inch, and 16 inch lengths with either 10 mm or 15 mm meshed seal width. Depending on the model, material up to 16 inches wide and 20 mil thick can be sealed.\u003c\/p\u003e","brand":"Sealer Sales","offers":[{"title":"Default Title","offer_id":51445470888221,"sku":"KF-400DF","price":684.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0699\/4716\/2909\/files\/57951_ChatGPT_Image_May_26_252C_2026_252C_07_37_04_AM.png?v=1780308172","url":"https:\/\/thechefstore.com\/products\/sealer-sales-kf-400df-16-kf-series-foot-operated-direct-heat-sealer-with-15-mm-meshed-seal-width","provider":"TheChefStore.Com","version":"1.0","type":"link"}