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  • qra-1

    QRA-1 Reaction Head, Three-Neck

    (10)

    Conical flange with flat ground bottom to allow the head to sit flatly on a reaction kettle or flask.

  • qra-2

    QRA-2 Reaction Head, Four-Neck

    (10)

    Conical flange with flat ground bottom to allow the head to sit flatly on a reaction kettle or flask. Fourth joint is a 10/30 outer joint to permit a thermometer to be inserted vertically to the bottom of the vessel.

  • qra-3

    QRA-3 Reaction Head, Four-Neck

    (10)

    Conical flange with flat ground bottom to allow the head to sit flatly on a reaction kettle or flask. Fourth port is a #7 internal thread with nylon bushing to permit a thermometer to be inserted vertically to the bottom of the vessel.

  • qra-4

    QRA-4 Reaction Head, Five-Neck

    (7)

    Conical flange with flat ground bottom to allow the head to sit flatly on a reaction kettle or flask.

  • qra-6

    QRA-6 Reaction Head, Three-Neck

    (10)

    Flat flange with flat ground bottom to allow the head to sit flatly on a reaction kettle or flask.

  • qra-7

    QRA-7 Reaction Head, Four-Neck

    (10)

    Flat flange with flat ground bottom to allow the head to sit flatly on a reaction kettle or flask. Fourth joint is a 10/30 outer joint to permit a thermometer to be inserted vertically to the bottom of the vessel.

  • qra-8

    QRA-8 Reaction Head, Four-Neck

    (10)

    Flat flange with flat ground bottom to allow the head to sit flatly on a reaction kettle or flask.

  • QRA-9

    QRA-9 Reaction Head, Seven-Neck

    (3)

    Conical flange with flat ground bottom.