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IMPLA high frequency welder is designed specifically for production of small and large format tensile structures, membranes, tarpaulin, tents, truck covers, etc. Machine allows to work with PVC, PU, TPU materials and can be equipped with special impulse electrode for welding non-HF weldable fabrics made of PE, PP and other non-bipolar materials. Machine can also be equipped with FlexEL™ 'soft' multilayer welding electrode or curved electrodes for sealing round window profiles made of clear PVC or any other shapes requiring precision welding.

SIMPLA is equipped with special deep and wide trough behind the electrode for material storage and handling. Machine has optional smooth glide wheels for easy movement in-around welded fabric, or relocation to a desired place in manufacturing hall.

Full advanced programming functionality, including ATS™ autotuning and WCS™ systems is achieved thanks to onboard PLC integrated with 10" touch screen HMI on a swing arm for easy access to welding area. SIMPLA machines have HF power output from 10 to 20 kW for heavier production loads and reinforced heavy duty fabrics, effectively providing between up to 800 cm2 of welded surface with one weld cycle.

Control panel

  • Control system with intuitive GUI
  • Saving / reading of the recipes
  • Graphical record of the welding process
  • Up to 1000 weld cycle recipes memory
  • Service menu
  • Remote upgrade via VPN

Large space behind the electrode

Folding back table

Swing arm with 10" touch screen HMI


  • Simple to setup and easy to operate
  • Available standard models with 10 / 15 / 20 kW output power
  • Sealing efficiency from 1 kW: up to 40 cm2 for standard PVC materials
  • Universal usage for PVC, PU, TPU, reinforced technical textiles
  • PE, PP, Polyester, Nylon weldability with optional Impulse electrode
  • New generation Hi-Q Gen5 EcoHF stable and efficient HF generator
  • Manual, semi-automatic and automatic operation
  • ZTG ATS™ - autotuning HF power output system
  • ZTG WCS™ Weld Check System - verifying quality of welds with preset parameters
  • Easy material positioning with deep trough behind electrode
  • Electrodes up to 1200 mm length
  • Quick release system of the electrodes
  • Built in LED electrode illumination
  • Swing arm with 10" touch screen HMI panel (270 access to welding area)
  • Built in VPN client and VNC server for remote diagnostics / software updates
  • USB port for handling recipies


  • ZTG AntiFlash™- ultrafast sensitive ARC sensor & output overload protection
  • ZTG SafeDown™ - anti-crush electrode motion safety system
  • Grid filter
  • Protection from backflow HF emission
  • Safety switches
  • EM protection

Optional features / tooling

  • Linear laser guide projectors
  • Magnetic stainless steel work table
  • Folding back table
  • Wheels for easy movement
  • Upper press plate for custom tooling (max. width 300 mm / 12”)
  • Top press Impulse HEAT Bar electrode (width x length)
  • Additional 1500 mm linear electrode
  • FLEXel™ electrode
  • Angular and special shapes electrodes


Details of the machine


  • Small and large format technical textiles PVC or PU coated
  • Tensile structures, tents, shade systems, truck covers and side curtains
  • Swimming pool liners and covers, flood dams and water tanks
  • Airport hangars, portable storage structures
  • Containment pools, oil booms, ground liners
  • Advertising signs and large format billboards

Applications gallery

HF output power: 10 / 15 / 20 kW
Installed power: 15 / 22 / 30 kW
Weld efficiency: up to 30-40 cm2 from 1 kW of HF output power
Power supply: 3 x 400 V (3 x 480V | 3 x 220V [for USA] by request)
Working frequency: 27,12 MHz ± 0,6% | Hi-Q Gen5 HF Generator. Power saving, stable and efficient RF generator with integrated backflow HF emission protection and grid filters
Electron tube: Air cooled metal-ceramic triode
Electrode protection: ZTG AntiFlash™ - ultra fast Solid-State Arc protection
Autotuning system: ZTG ATS™ system for precise HF power control
Control system: PLC and 10" touch screen HMI with memory storage
HF weld cycle control: ZTG WCS™ system verifying HF weld process
HF welding without the grounding foot: NEW! FREEWeld™ system
Electrode/ HF welding bar length: 1200 mm (48”) | Optional 1500 mm (59”)
Downstroke pressure: 300-1600 kg (0.3-1.6T)
Electrode stroke: 160 mm
Work table dimensions: 1600 x 800 mm (63 x 32”)
Work table build: Aluminum (Magnetic Stainless Steel by request)
Space behind electrode: Deep back table trough with 840 mm space and optional folding table
Trough size: 400 x 500 mm (16 x 20”)
Electrode mount: QuickGRIP™, fast pneumatic clamp
Grounding foot: Standard, pneumatic drive
Footprint (L x W x H): 1970 x 1700 x 2400 mm
Weight: 1100 kg
AVAILABLE: Onsite ISO17025 EMC compliance testing - Full diagnostic testing and certification of the local factory EMC/EMS parameters according to the latest guidelines required by the CE & UL standards. We have our own ISO 17025 certified production control and EMC laboratory providing validation of each required process parameters and the whole technological production cycle.

SIMPLA - modifications

Simpla 2i

simpla 2i

SIMPLA 2i is the first and only universal RF bar Welder/Sealer on the market with full DOUBLE functionality: Radio Frequency welding and Impulse Heat Sealing. It has an universal usage for PVC, PU, PE, PP, TPU, reinforced technical textiles and films, Acrylics and Nylons. No other welding machine in the world today gives so much flexibility with easy tool change and fast conversion from a standard RF welder into a double bar (upper/lower) Impulse Heat Welder.

Simpla Crystal

simpla crystal

SIMPLA CRYSTAL HF welder was created for the production of CRYSTAL Clear PVC windows with Invisible Seam technology. The machine can also handle the demanding production requirements for Pergolas with "omega" profiles and zips, awnings, shadings and other small and large format tensile structures, side curtains and membranes.

With the use of special tools' set the SIMPLA CRYSTAL HF welder creates a strong very thin (1.0 mm) linear weld to join Crystal Clear PVC film. Machine is equipped with sliding 3200 or 4500mm long weld table for very precise linear welding (± 0,1mm) from end to end. Front and back table troughs provide ample storage for rolled film during production process, while special deep and wide trough behind the electrode for excess material storage and handling is very useful when working with pergolas, awnings or membranes.