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Parker ISO Conversion Fittings are designed to the highest quality standards to allow connections between components and systems which use both NPT and ISO Thread configurations. Conversion fittings are maintained under strict quality control programs.

NOTE:
  • Dimensions for reference only, subject to change.
  • Used to connect a female NPT and a female BSPP threaded component.
  • Bonded seal, must be used on BSPP end shown.
  • Please note the pressure ratings are based on taper threaded ends.
  • The pressure rating for the BSPP ends are dependent on the type of sealing washer used.
    • Unit of Measure

    Connection Type

    		 N/A NPT x BSPP

    NPT Thread T1

    		 N/A 3/4-14

    BSPP Thread T2

    		 N/A 3/4-14

    W HEX

    		 N/A 1 5/16 in

    D

    		 N/A 1.95 in

    R1

    		 N/A .75 in

    R2

    		 N/A .63 in

    Working Pressure (Brass)

    		 N/A 3600 psi250 bar

    Working Pressure (Stainless Steel)

    		 N/A 6400 psi440 bar

    Design

    		 N/A Parker ISO Conversion Fittings are designed to the most commonly used ISO thread forms. These thread forms are used where pressure tight joints are either made on threads utilizing a thread sealant or where pressure tight joints utilize a peripheral seal on the face of the mating component.

    Material

    		 N/A Parker ISO Conversion Fittings are standard in stainless steel and brass. Other materials may be special ordered within the Parker Quick Response Department. Straight fittings are manufactured from applicable ASTM bar stock specifications shaped fittings are manufactured from close grain forgings.