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UHP (DISS) Cylinder Connections

Description

This special group of cylinder connections was developed through the cooperation of industry and the Compressed Gas Association for use with ultra purity gases primarily used in conjunction with semiconductor chip manufacturing applications. The sealing surfaces are similar to a face seal connection used with tubing and they require either a nickel gasket or Kel-F gasket to achieve a seal. They are only available in stainless steel.

Features

  • Available with in three mating connection styles:
    • 1/4" face seal male
    • 1/4" NPT male
    • 1/4" tube stub.
  • Supplied as set nut, nipple, and nickel gasket.
DISS Gaskets

DISS Gaskets

How To Order

All DISS connections require a gasket to achieve a leak-free connection. Gaskets should be changed each time the connection is attached to the cylinder valve.

ModelDescription
DISS-NI Nickel gasket for CGA 632 thru 726
DISS-K Kel-F® gasket for CGA 632 thru 726

HOW TO ORDER

ModelDescription
DISS632-P4M 632 x 1/4" NPT male
DISS632-V4M 632 x 1/4" male face seal
DISS632-T4S 632 x 1/4" tube stub
DISS634-P4M 634 x 1/4" NPT male
DISS634-V4M 634 x 1/4" male face seal
DISS634-T4S 634 x 1/4" tube stub
DISS636-P4M 636 x 1/4" NPT male
DISS636-V4M 636 x 1/4" male face seal
DISS636-T4S 636 x 1/4" tube stub
DISS638-P4M 638 x 1/4" NPT male
DISS638-V4M 638 x 1/4" male face seal
DISS638-T4S 638 x 1/4" tube stub
DISS640-P4M 640 x 1/4" NPT male
DISS640-V4M 640 x 1/4" male face seal
DISS640-T4S 640 x 1/4" tube stub
DISS642-P4M 642 x 1/4" NPT male
DISS642-V4M 642 x 1/4" male face seal
DISS642-T4S 642 x 1/4" tube stub
DISS712-P4M 712 x 1/4" NPT male
DISS712-V4M 712 x 1/4" male face seal
DISS712-T4S 712 x 1/4" tube stub
DISS714-P4M 714 x 1/4" NPT male
DISS714-V4M 714 x 1/4" male face seal
DISS714-T4S 714 x 1/4" tube stub
DISS716-P4M 716 x 1/4" NPT male
DISS716-V4M 716 x 1/4" male face seal
DISS716-T4S 716 x 1/4" tube stub
DISS718-P4M 718 x 1/4" NPT male
DISS718-V4M 718 x 1/4" male face seal
DISS718-T4S 718 x 1/4" tube stub
DISS720-P4M 720 x 1/4" NPT male
DISS720-V4M 720 x 1/4" male face seal
DISS720-T4S 720 x 1/4" tube stub
DISS722-P4M 722 x 1/4" NPT male
DISS722-V4M 722 x x 1/4" male face seal
DISS722-T4S 722 x 1/4" tube stub
DISS724-P4M 724 x 1/4" NPT male
DISS724-V4M 724 x 1/4" male face seal
DISS724-T4S 724 x 1/4" tube stub