![](https://www.universalwellhead.com/wp-content/uploads/2018/05/blind-flange.png)
Blind Flange
![](https://www.universalwellhead.com/wp-content/uploads/2018/05/cross-over-spool.png)
Cross-over Spool
![](https://www.universalwellhead.com/wp-content/uploads/2018/05/companion-flange.png)
Companion Flange
![](https://www.universalwellhead.com/wp-content/uploads/2018/05/double-studded-adapter.png)
Double Studded Adapter
UWS DSA’s and Cross-over Spools
UWS offers double studded adapters and cross-over spools in all API flange sizes, pressures, and trims.
UWS Flanges
- Companion Flanges; available with all common casing and tubing threads in all API flange sizes, pressures, and trims.
- Weld Neck Flanges; prepped to weld to any specified API casing or tubing.
- Gauge or Instrument Flanges; made to be installed between any API 6As flange and ported with ½” NPT or 9/16” HP connections.
- Blind Flanges; Available in solid or tapped with ½” NPT or 9/16” HP.
- Union Flanges; API flanges with 1502 or Bowen union halves on one end. (Other unions are available upon request) Available with either male or female union ends. All flanges are 1 piece with no welded connections.