Technical Facilities/Services

  • Calibration scope: 10+3 to 10-6 mbar
  • Standard followed: ISO 3567:2011 Vacuum gauges – Calibration by direct comparison with reference gauge
  • Metrological traceability: International accredited lab
  • QMS certification: ISO 9001:2015 from Certification Services Pakistan (CeSP).
  • Calibration services for vacuum gauges: Pirani gauge, dial gauge, capacitance diaphragm gauge, spinning rotor gauge, hot cathode gauge, cold cathode gauge, full range gauge etc.

Vacuum Gauge Calibration System VGCS 3000

  • Leak testing scope: 10+3 to 10-6 mbar
  • Minimum detectable leak rate:
    • Vacuum Mode: 5 x 10-12 mbar.l.s-1
    • Sniffer Mode: 5 x 10-9 mbar.l.s-1
  • Leak testing of sealed components: Helium bombing technique
  • Provision of leak testing services: Helium bombing technique
    • Vacuum systems, vacuum furnaces, vacuum coating system, welds & joints
    • Metalizer plant, cryogenic vessels, vacuum chambers, oil dehydration plant
    • Pharmaceutical industry, food industry, packaging industry, automobile industry

Leak testing / rectification of Vacuum System

  • Base pressure: < 1 x 10-8 mbar
  • Temperature Range: (23-125) °C
  • Standard followed: 5 x 10-9 mbar.l.s-1
    • Total mass loss technique (ECSS-Q-ST-70-02C)
    • Accumulation technique (ISO/PS 20177: 2018)
  • Applications: Qualification testing of materials / components for vacuum and space applications

  • Vacuum Range: 1x 10-2 mbar
    • Temperature Range: upto 300°C (Adjustable)
  • Applications: Degassing of epoxy materials/ vacuum components, drying of nanomaterials etc.
Vacuum Drying / Degassing System

3D Laser Scanner

NINVAST has developed performance evaluation setups using different techniques of the following pumps:

  • Rotary Pump
  • Roots Pump
  • Diffusion Pump

Pumping speed measurement of Rotary vacuum pump

Setup for compression ratio measurement of Rotary / Roots system

Pumping Speed Measuring Set up for Diffusion Pump

  • Scope:
    • Pump repair/overhauling facility
    • Pump leak testing facility
    • Vacuum generation facility up to 10-9 mbar
    • Pump performance monitoring via VFD (Variable frequency drive)
  • QMS certification: ISO 9001:2015 from Certification Services of Pakistan (CeSP).
  • Potential Clients: R&D organizations Universities and industries including; cryogenics, packaging, pharmaceutical etc.

NINVAST delivers following services on user’s request:

  • Upgradation of existing vacuum systems
  • Vacuum system design & integration
  • Equipped with CAD-Modeling, Inventor, Solid Edge

Following facilities are available

  • Lathe Machines
  • Milling Machine
  • Drilling Machine
  • Surface Grinding Machine
  • Engraving Machine
  • Power Hacksaw Machine
  • Welding and fabrication facility

Standard Orifice Flow System

Standard Mercury Manometer

Standard Volume Expansion System

Outgassing Measurement System

Leak Detection System for Sealed Components

Vacuum Drying / Degassing system

  • E-Beam Evaporation System
    • Electro-Polished Stainless Steel Chamber (D-shaped Box)
    • 4” Diameter View Port on Front Door with Manual Shutter
    • Single/Multi Pocket E-beam Sources with Water Cooled Crucible (4cc up to 75cc)
    • High Voltage Power Supply (3kW to 15 kW) with X-Y Sweep Controller
    • Substrate Size: Maximum 8 inch diameter
    • Maximum melting temperature of source material: ̴3000˚C
    • Quartz Crystal Thickness Sensor with Deposition Controller (10 A˚ - 100 nm)
    • PLC Controlled System
    • Applications: ceramic coatings, oxides, compounds, alloys, hard, optical etc.

E-Beam Evaporation System

  • Thermal Evaporation System
    • Sample Size: 450 x 535 mm
    • Maximum attainable temperature: 2000°C
    • Applications: Optical coatings, metallic coatings, ohmic contacts, thermal reflective coatings, reflective mirrors etc.

Thermal Evaporation System

  • PTFE Coating
    • Spray technique
    • Large area can be coated
    • Applications: Anti-corrosion, chemically resistant, self-lubrication, thermal/electrical insulation

PTFE Coated Sample

  • Spin Coater
    • RPM: 0 – 5000 (Adjustable)
    • Substrate Size: 25mm x 25mm
    • Applications: All type of solution based coatings

Spin Coating System

  • Tube Furnace
    • Maximum Temperature: ~1400⁰C with ramp control
    • Base Pressure: ~10-2 mbar
    • Quartz Tube with glass to metal flanges
    • Controlled environment (Argon / Nitrogen, any other gas)
    • Applications: vacuum heat treatment, annealing, sintering, drying, calcination etc.

Tube Furnance

  • Vacuum Oven
    • Maximum Temperature: ~200 ⁰C with ramp control
    • Working Pressure: ~10-2 mbar
    • Controlled environment:Argon/Nitrogen etc.
    • Applications: vacuum heat treatment, annealing, drying, calcination etc.

Vaccum Oven

  • Autoclave
    • Maximum Temperature: ~300 ⁰C
    • Maximum Pressure: 3 bar
    • Solution capacity: 50-75 ml
    • Material: Stainless Steel
    • Application:
      • Chemical reaction at high pressure without solvent evaporation
      • Hydrothermal synthesis