Browse Categories

Max.340x340x12 mm Vacuum Sealer with Auto-Piercing Function for Pouch Cell - MSK-115A-L

Transported by LTL Freight (Truck)

Product Options

MSK-115A-L is a larger vacuum sealer that does the final sealing for aluminum-laminated battery after electrolyte injection and cell formation. A pouch piercing needle and heatable sealing blade are built into the vacuum chamber. With the advanced pouch auto piercing feature, the battery's final sealing (de-gassing and pouch resealing) can be automatically completed under vacuum conditions. 
Update 01/09/2020: The Spring-loaded pressure board is now made with aluminum. An additional tilting setting has been included in the bottom board - it may now be flat or tilted up.


Operation Flowchart: Chamber Evacuation/vacuum -> Needle Down -> Pierce the Excess Area of the Pouch -> Needle Up -> De-gas the Pouch -> Heat-Sealing -> Release to atmospheric pressure
Working Voltage AC110V or 220V, 50/60Hz (please select the voltage in the options menu)
Power 600W
Working Area

  • MAX. Battery Placing Area: 340mm (L) x 340mm (W) x 12mm (H) 
  • Refer to the Standard sealing area pic below to find out the maximum size of the battery pouch that can be placed in the working area.
  • Updated 01/09/2020: The bottom working area will be flat or tilted by a single button on the side. Please look at the pictures below
Spring Loaded Pressure Board

  • Equips with a Spring Loaded Pressure Board to push air out of the pouch cell before vacuuming
  • Produces a much tighter and neater sealing result
  • Max. working pouch cell thickness: 12mm
  • For sealing pouch cells that are thicker than 12mm, simply remove the pressure board
Sealing Blade &  Bayonet
  • The sealing blade is made of copper with a thermal conductive layer
  • Six piercing needles. are built-in for the function of  Bayonet, which is selectable via a switch on the left side of the case ( New function since Dec. 2021 )  Pic. 2
Glove Box Compatibility

  • A KF40 Feedthrough for Glovebox is included in the package.
  • Please use high-purity inert gasses (Ar or N2), when operating in the glove box. Using Air Compressor driven when operating outside the glove box.
  • DO NOT set the pressure gauge above 90 psi (0.6 Mpa)!
Vacuum Level
Sealing Blade Dimension 340mm x 6mm
Heating Timer 0 - 99 seconds Adjustable
Sealing Temperature 50 - 250°C adjustable with control accuracy of +/-2°C
Suggested Air Pressure

  • The vacuum chamber lid and sealing die are driven by compressed air
  • Input air pressure: 90 psi (0.6 Mpa). System working air pressure: 80 psi (0.55 Mpa)
  • Air compressors and fittings are not includedplease click here to order or order from your local hardware store
Sealing Pressure Force 0~100 psi adjustable 
Attention: If a gas cylinder is used instead of an air compressor(pic2), a two-stage pressure regulator(pic1) must be installed on the gas cylinder to limit the pressure within the required working range for safe operation. Click here to learn the installation of a gas regulator.
           pic1                pic2
Product Dimensions   450mm(W) x  510mm(D) x 665mm(H)
Shipping Dimensions 48" x 40" x 35"
Shipping Weight 390 lbs
  • CE Certified
  • NRTL or CSA certification is available upon request at the extra cost
  • The patent 201220296252.X for the Pouch Cell Sealing Machine MSK-115A-L since January 2013.
  • One year limited warranty with lifetime support
  • Rusting and damage due to improper storage condition or maintenance are not covered by warranty.
Operation  Video    
Application Notes
  • MTI Supplies ready-to-use Cathode & Anode Electrodes, Separator Film, and Laminated Aluminum Pouch for your research. Please click the picture in below for product details.
  • MTI Supplies Nylon-made Splittable Pouch Cell Casing for Battery R&D, please click the picture below for more details.
  • This is heavy equipment. Must use a Forklift to move in or out from glovebox!

 MSK-115A-L  Large Vacuum Sealer with Pouch Auto-Piercing Function 1
 MTI-115AL-FH  KF-40 Vacuum Feed-through with all connectors 1
EQ-BARB-KF25 Barbed fitting to KF-25 Adapter  1
 MSK-115AL-3  Foot pedal controller 1
 MSK-115AL-4  Spare Polyurethane Tube (O.D 8/12 mm) 1 set
 MSK-115AL-5  Hexagonal screwers 2
 MSK-115AL-6  AC Power Cord (Note: 220V AC Power plug not included. Please click here to order the plug) 1

Related Products

Shopping Cart
Your cart is empty.
Please clear the browsing history before ordering the product. Otherwise, availability and price are not guaranteed.
Mailing Lists
MTI sponsorships:
MTI Sponsors Thermoelectrics Workshop

MTI-UCSD Battery Fabrication Lab

MTI Sponsors the Postdoctoral Awards

Upcoming Shows:

Hydrogen Tech Expo June 26-27 Houston TX Booth 567

Solid-State Battery Summit August 13-15 Chicago IL Booth 36

2024 MRS Fall Meeting December 1-6 Boston MA Booth 901

AABC US December 9-12 Las Vegas NV

Click here to see our past conferences

1. Prices listed online are valid for the US market and who pay by credit card only. There will be extra charges for shipping & handling. Prices vary from country to country.
2. We may add extra charges for paper orders and NET 30 terms due to extra labor costs.
3. The prices listed are subject to change without notice.