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Welch Vacuum Pump & Systems

Ahmedabad, Gujarat

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Welch is a leading provider of high-quality, durable vacuum pumps. As a global leader in vacuum technology, our customers include laboratories and equipment manufacturers around the world. In addition to our state-of-the-art products, our customers and business partners benefit from our exceptional service, valuable training, and efficient technical support. Our commitment to new technologies, highly qualified staff, and extensive testing in our in-house laboratories ensures that we meet all our customers’ requirements – both now and in the future. Since its establishment in 1852, Welch has been supplying innovative vacuum pumps to laboratories, industrial manufacturers and educational institutions around the world. This extensive experience has allowed Welch to develop optimal vacuum solutions for a diverse range of applications.+ Read More

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Manufacturer

Labovac 10 : Vacuum Pump Oil
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Labovac oil for Vacuum pump. Available in Mineral oil, Synthetic oil, PFPE oil, Polyalphaolefin (PAO) oil configuration. 

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Oil Sealed, Rotary Vane Vacuum Pump
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WELCH manufacturers one-stage (P…E series) and two-stage (CRVpro, P…Z series) rotary vane vacuum pumps. WELCH range pumps are designed to perform with industry leading features as - internal surface costing, cool running, large oil capacity, forced lubrication, anti-suckback valve, gas ballast valve, and many more for uninterrupted operation. These pumps are ideally suited for use in industry where applications demand 1 to 10-4 mbar ultimate pressure.


Range of Applications
• vacuum drying
• freeze drying
• deep vacuum distillation
• Schlenk lines
• backing pump to turbomolecular pumps 
• CHEMICAL AND PROCESS INDUSTRIES
• Short Path Distillation
• Molecular Distillation
• Reactor vacuum
• Battery Manufacturing
• Research & Development (R&D)
• Surface Science and Particle Size Analysers
• Leak Detection, Electron Microscopes, Mass
• Glove Boxes
• Refrigeration, Air Conditioning Systems
• Vacuum Furnace

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Dry Oil-free Diaphragm Vacuum Pump
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Welch diaphragm pumps have been developed speciically to meet the requirement for oil-free vacuumgeneration. Their low weight and excellent ergonomics, make Welch diaphragm pumps the irst choicefor most laboratory applications. With ultimate vacuum from 75 to 1 mbar and peak low rates up to138 l/min there is a speciic model coniguration to suit almost all applications. Our proven diaphragmtechnology ofers a double beneit to the user – outstanding diaphragm life and market leading cost ofownership. Use MP models for standard duty applications and MPC models for chemical duty applications.The MPC models use PTFE and other luorinated plastics for the wetted parts to allow aggressivesolvent and acid vapours to be pumped. For extra harsh chemical vapours use X2 versions. Ecolexversions with variable speed motors are also available.

MPC range chemical duty diaphragm pumps economical option. Available in a wide range of sizes and accessories available for vacuum regulation.

Advantages• analytically pure, oil free vacuum• user friendly• light weight, rugged design• designed for permanent operation• maintenance-free drive system and proven long diaphragm life• minimal operation vibration• wide vacuum and low range to match application• superior chemical resistance (MPC models)

Range of Applications• rotary evaporators• vacuum ovens• degassing / desiccation• vacuum distillation• vacuum iltration• solid phase extraction (SPE)• gas sampling• vacuum drying• vacuum holding• pick and place• backing turbomolecular pumps

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Laboratory Vacuum Systems (LVS)
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LVS systems are specially designed for solvent distillation / evaporation applications. They comprise an oil-free chemical duty diaphragm pump with optional control packages, liquid containment and exhaust vapour condenser. All wetted parts are made from high quality chemically resistant materials with clear plastic coated glassware to allow solvent and acid vapours to be pumped.

Advantages• analytically pure, oil free vacuum• user friendly• designed for permanent operation• maintenance-free drive system and proven long diaphragm life• wide vacuum and low range to match application• fully chemically resistant• inlet separator to protect pump from liquid and particle ingestion• exhaust condenser for optimal solvent recovery• modular design to tailor the system to your application needs

Range of Applications• rotary evaporators• vacuum ovens• multi-user networks (Netvac)• solvent concentration


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Labovac (Oil for Rotary Vane Vacuum Pump
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LABOVAC Oils for rotary vane pumps are subjected to continuous and careful quality control. Various oil specifications are needed to voer the range of vacuum applications. WELCH-ILMVAC therefore offers five types of LABOVAC oil for Optimum coverage of the entire spectrum.

Labovac 10 - Mineral oil:
Standard oil for One and Two-Stage Welch Rotary Vane Pumps and chemvac‘s. To pump air, inert gas and noble gas.

Labovac 11 - Synthetic oil : Used for high operating temperatures >
100°C, specially in One-Stage rough vacuum rotary vane pumps.

Labovac 12S - Parain based mineral oil : For pumping air, chemically inert permanent gases - water vapour, solvent vapors

Labovac 13 - PFPE oil : For pumping strong oxidants like oxygen,
ozone and reactive substances (halogens).

Labovac 14 - Polyalphaolein oil : For pumping of chemically inert permanent
gases - water vapor and solvent vapors. Improved cold starting at low temperatures.

NOTE : before self selecting oil, refer detailed remark in our catalogue or visit our website.

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Vacuum Measurement Gauge
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Vacuum Measurement Gauge

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Multi range vacuum gauge, Handheld Device for Flexible Use with chemical resistant sensor (GOLD pirani sensor)

Measuring range : 1050 to 10-3 mbar

Design Features:
  • Digital display that shows precise vacuum levels
  • Portable handheld gauge for flexible use
  • Chemical resistant combination sensor PIEZO / PIRANI
  • Easy user menu and clearly layed out soft key pad
  • Certification: CE Marked

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Aspiration And Filtration System, Hand Pipette,
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Aspiration and Filtration System

The compact and portable “biovac 106” Aspiration System with an integrated resistant diaphragm pump is used for the safe and precise aspiration of non-flammable chemical, biological, and medical liquids. The fluids can be removed easily and very precisely from slides, Petri dishes, cell culture containers etc., by using different pipetts or glass tips and pasteur pipettes which can be easily connected to the HandVac pipettor.

Design Features
  • Superior chemical resistant diaphragm pump with long servicelife
  • Automatic Flow-Stop when 2 liter receiver is full
  • Hydrophobic Filter for bacteria-, virus d = 55 mm, up to a pore size min 0.22 μm
  • Rapid-action coupling hose connectors with automatic isolation valves
Applications
  • Aspiration of biological, medical liquids and fluids
  • Cell Culture Aspiration
  • Disposal of biological and medical fluids
  • Rinsing of sample cultures

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Central Vacuum Systems

Central Vacuum Systems

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Wob-l Oil-free Piston Vacuum Pump
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WOB-L® Vacuum Pumps uses oil-free piston technology.
  • Economical Standard Duty Dry Vacuum Pumps
  • Piston Design, Easy Maintenance
  • For Aqueous Sample Vacuum Applications
  • Efficient Vacuum Utility for Flexible Use
WOB-L® Pumps set the industry standard for efficient vacuum utility. Use these pumps for affordable vacuum in applications where corrosion resistance is not required. Select models can be also be used as pressure pumps. Use for aqueous fumes including buffers.
Pumps come complete with dial gauge, pressure regulation valve, inlet condensate collection jar, noise reduction muffler, and suction feet for counter-top stability.
Applications
  • Single Vacuum and Pressure Source
  • Environmental Monitoring
  • Air / Gas Sampling
  • Vacuum Filtration
  • Vacuum Desiccation
Advantages
  • Continuous operation monitoring due to vacuum and pressure regulator
  • Optimized design for space saving use and easy cleaning
  • Easy Handling and control features features qualifies the pump for flexible usage
  • High quality Piston Technology offers low maintenance to the pump and an efficient continuous running


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