As a Professor of malleable iron pipe fittings manufacturers, We would like to let you have more information on types of Union. Malleable iron Unions have several types. such as FIG 330 Malleable iron flat seat Union, Fig 331 Malleable iron male female Flat seat Union. Both of them need to seal with one NBR /EPDM gasket inside when installation. Fig 340 malleable iron unions taper seat, Fig 341 Malleable iron Union MF taper seat, its Female part is conical, FIG342 Malleable iron Brass to iron Taper seat, FIG343 Malleable iron MF Brass to iron taper seat. Both those two types of Malleable iron Unions have male parts with Brass seats. All unions are produced strictly according to the requirement for the threads pipe unions standard. If you have any questions about our malleable iron union, Contact us, we will reply within 1 hour.

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