As a Professor of malleable iron pipe fittings manufacturers ,We would like to let you have more information or types of Union. Malleable iron Union have several type.such as FIG 330 Malleable iron flat seat Union , Fig 331 Malleable iron male female Flat seat Union . Both of them need to sealed by one NBR /EPDM gasket inside when installations. 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 of those two type Malleable iron Unions male parts with Brass Seat .All unions produced in strict according with the requirement for the threads pipe unions standard.If you have any questions of our malleable iron union , Contact with us ,we will reply within 1hour.

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