MAYEKAWA MFG.CO.,LTD. · PDF file WA SERIES RECIPROCATING COMPRESSOR * Some optional items are...

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Transcript of MAYEKAWA MFG.CO.,LTD. · PDF file WA SERIES RECIPROCATING COMPRESSOR * Some optional items are...

  • W A S E R I E S R E C I P R O C A T I N G C O M P R E S S O R

    * Some optional items are included in this photo.

    WA S E R IE S R E C IP RO C AT IN G C OM P R E S S OR

    WA SERIES Reciprocating Compressor /     Open TypeSingle Stage

    PD132 01001609-16.09.

    The content of this pamphlet may change without advance notice due to improvements to the product. * Mayekawa and MYCOM are registered trademarks of Mayekawa Mfg. Co., Ltd.

    [Head Office]: 3-14-15 Botan, Koto-ku, Tokyo 135-8482, JAPAN        TEL:(81)3-3642-8181 FAX:(81)3-3643-7094 [ I n q u i r i e s ] : [email protected]

    MAYEKAWA MFG.CO.,LTD.

    http://www.mayekawa.com

  • Fluorocarbon refrigerants

    Natural refrigerants

    Ammonia Propane

    R 1 3 4 a R 4 0 4 A R 5 0 7 A R 2 3

    Applications

    High Reliability

    With a high-pressure design suitable for use in air-cooled condensing units for fluorocarbon refrigerants, the model operates over a wide range of temperature and serves in small- to medium-scale refrigerating and freezing applications.

    A long-selling model with high reliability and track record, designed for tough applications subject to load fluctuation.

    * Please consult us for further details.

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    4WA 6WA 8WA

    4WA 6WA 8WA

    ▶Ammonia Condensing temperature:40℃Suction Superheat:0℃ Rotation speed:970rpm Liguid Subcooling:5℃

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    4WA 6WA 8WA

    4WA 6WA 8WA

    ▶R404A Condensing temperature:40℃Suction Superheat:20℃ Rotation speed:970rpm Liguid Subcooling:5℃

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    4WA 6WA 8WA

    4WA 6WA 8WA

    ▶R134a Condensing temperature:40℃Suction Superheat:20℃ Rotation speed:970rpm Liguid Subcooling:5℃

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    4WA 6WA 8WA

    ▶Propane Condensing temperature:40℃Suction Superheat:10℃ Rotation speed:970rpm Liguid Subcooling:5℃

    Evaporating temperature [℃]

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    Item 4WA 6WA 8WA

    Refrigerant Ammonia / Propane / HFCs (R134a、R404A、R507A、R23*2)

    Compressor type Reciprocating, Open Type

    Number of cylinders 4 6 8

    Bore mm 95

    Stroke mm 76

    Displacement*3 m³/h 125 188 251

    Rotation speed rpm 800-1500*4

    Drive method Direct drive / V-belt

    Capacity control % 100/50 100/66/33 100/75/50/25

    Model*1(N/P/F)

    Model(P/F) Weight(kg) W(mm) L(mm) H(mm)

    4WA 460 760 835 715

    6WA 555 865 960 725

    8WA 645 910 980 755

    Model(N) Weight(kg) W(mm) L(mm) H(mm)

    4WA 475 875 835 735

    6WA 570 1050 960 855

    8WA 670 1020 980 860

    * Some optional items are included in this photo.

    *1. Specify the refrigerant by adding a prefix to the type code (N = Ammonia / P = Propane / F = Fluorocarbons). *2. If R23 is to be used as the refrigerant, the machine will come with special specifications. Please contact us for detailed information.  *3. Displacement at 970 rpm *4. The range of rotation speed varies by operating conditions. Please refer to the ranges of use stated in the operating instructions. * The outer dimension drawings illustrate the 6-cylinder model.

    * The stop valve, companion flange, flywheel, V-pulley, and safety valve are not included. * The oil cooler is included.

    [Usable refrigerants]

    Suitable for a wide range of applications Long-selling model for small- to medium-scale facilities

    Reciprocating Compressor [Single Stage] Open Type

    WA-SERIES

    Specifications

    [Water cooled type (Ammonia)][Air cooled type (Propane, HFCs)]

    Outer dimensions

    Performance charts