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
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.
| Model | Description |
|---|---|
| DISS-NI | Nickel gasket for CGA 632 thru 726 |
| DISS-K | Kel-F® gasket for CGA 632 thru 726 |
HOW TO ORDER
| Model | Description |
|---|---|
| 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 |