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Welch

Welch 1402N Chemstar Belt Drive Vacuum Pump Rebuilt, Refurbished

Welch 1402N Chemstar Belt Drive Vacuum Pump Rebuilt, Refurbished
    Item Number: WELCH-1402N-CHEMSTAR

    $0.00

    Warranty: 1 year past the documented date of installation.

    *Product images are for reference purposes only and do not necessarily correspond to the actual product.  


    IN STOCK

    Welch 1402N Chemstar Belt Drive Vacuum Pump Rebuilt, Refurbished

    Welch ChemStar® Vacuum Pumps / Corrosive Gases Overview

    Apply deep vacuum to your system in the toughest conditions. CHEMSTAR® pumps are built to withstand corrosive chemical vapor environments - durable performance over the long haul. CHEMSTAR® is designed to minimize the effects of harmful chemicals:

    Rugged Rotary Vane Design

    Built to the renowned performance standards of Welch DUOSEAL® pumps, CHEMSTAR® utilizes vapor contact components that are tough and chemical resistant. The belt-drive mechanism gears the pump down, enabling slow pump operation to reduce friction and keep operating temperatures low.

    Lubrication System

    The oil capacity is large for excellent dilution of contaminants. Oil is fed to the pump from the top of the reservoir, allowing sludge to settle without compromising lubrication. The recommended lubricant ("Gold Oil") is a synthetic oil designed to reduce chemically active sites. Use the nitrogen purge to drive elimination of corrosive gases.

    Key Accessories

    Welch also provides the system add-ons that further protect your pump and your environment. Select the equipment that augments your vacuum system needs - traps, oil mist eliminators, and system components.

    The Five Defining Features Needed For Pumping Corrosive Gases

    1. High Contamination Tolerance

    • Contaminants diluted
    • Fewer moving parts
    • Top oil feed for cleaner oil

    2. Vital Parts Corrosion Resistant

    • Fluoroelastomer seals and gaskets
    • PTFE
    • Stainless Steel
    • Nickel Plated or Anodized
    • Chemical Resistant Grade of Cast Iron

    3. Reduced Frictional Wear

    • Less than 580 RPM vs. typical 1750 RPM direct drive

    4. Nitrogen Purge Standard

    • Degasses and cools oil

    5. Easy Attachment of Accessories

    • Complete accessory package for corrosive gases

    For Pumping Corrosive Gases

    • HCl
    • O3
    • H2SO4
    • HBr
    • HOAc
    • SOx
    • Br2
    • F3CCO2H
    • H2S
    • Cl2
    • CH2O
    • HNO3
    • SF6, CF4 Fragments and other gases
    Free Air Displacement
    cfm (l/min.) @ 60 Hz
    m3/hr. (l/min.) @ 50 Hz

    5.6
    160
    Ult. Vac. Pressure, torr (mbar)1 1 x 10-4 (0.00013)
    Gas Ballast Yes
    Pump RPM 525
    Motor Horsepower (watts) 1/2 (370)
    Oil Capacity, qt.(liters) 2.25 (2.1)
    Tubing Needed, I.D. in. 13/16 (21)
    ISO Exhaust & Intake Flange2 NW 25
    Overall Dimensions LxWxH in.(cm) 19.3 x 14.1 x 15.4
    (49 x 35.3 x 39.1)
    Weight, lbs.(kg) 112 (51)
    Ship Weight, lbs.(kg) 133 (60.5)
    Shipping Carton Dimensions LxWxH in.(cm) 22.5 x 15.5 x 19.5
    (57.2 x 39.4 x 49.5)

    1CHEMSTAR pump should not be operated continuously at pressures above 10 torr. Ultimate pressure measured with a trapped McCleod gauge.

    2Standard filter option possible if the exhaust flange is removed, but not chemically resistant.

    IVS is committed to your complete satisfaction.  To ensure the greatest success and performance of your new vacuum equipment purchase, please call an IVS representative today at 855-466-6822 or simply fill out our contact form here: Contact IVS and a Sales Engineer will contact you within 24 hours.

    Not exactly what you're looking for? Innovative Vacuum Solutions is a total solutions provider and can customize or configure your vacuum equipment. Call us toll free at 855-466-6822 and speak to a Sales Engineer to determine your specific needs.



    Our precision vacuum pump rebuild process restores worn or damaged equipment back to the original manufacturers specifications and
    costs a fraction of purchasing new components. Each unit reconditioned by IVS is supported by the most competitive,
    practical warranty in the business: one year from the documented date of installation, not shipment.

    Click here to see the full IVS Business Practical Warranty
    • IVS will safely package your product for shipment at no additional charge.
    • Buyer is responsible for all shipping arrangements and charges.
    • Please allow ten days for delivery from order date to allow for certification and shipping of your equipment.

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