DUR O LOK® Coupling Purchase Information

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The following information will help assure the best possible response to your inquiry.

Who is the end user of the DUR O LOK® Couplings?
In what process will the DOL's be used?

Please include all relevant engineering specifications.
In order to process your quote, we need ALL information to be entered for each item.

Coupling Information	Item 1	Item 2	Item 3	Item 4
*Number of Couplings Required (include spares)
*Size of Couplings	1     1 1/4     1 1/2     2     2 1/2     3     3 1/2     4     5     6     8	1     1 1/4     1 1/2     2     2 1/2     3     3 1/2     4     5     6     8	1     1 1/4     1 1/2     2     2 1/2     3     3 1/2     4     5     6     8	1     1 1/4     1 1/2     2     2 1/2     3     3 1/2     4     5     6     8
*Pipe schedule of Couplings	10       40       80       120       160	10       40       80       120       160	10       40       80       120       160	10       40       80       120       160
*Material of Couplings	304       316       321       347       Carbon Steel   Other Other:	304       316       321       347       Carbon Steel   Other Other:	304       316       321       347       Carbon Steel   Other Other:	304       316       321       347       Carbon Steel   Other Other:
Required Delivery

Coupling Application Information	Item 1	Item 2	Item 3	Item 4
Design Pressure
*Design Temperature
Constant or Intermittent Service
Fluid Flowing through Coupling

Please include any additional information that should be noted regarding the application for the proposed DUR O LOK®






Material of Couplings:
Although special metallurgy is available, the preferred materials for the couplings are carbon steel and 304 stainless steel. Carbon steel couplings are supplied with Black Oxide coating to protect against corrosion. Back to form.


Required Delivery
DUR O LOK® Couplings are available in both a standard and high temperature design. Standard design DUR O LOK® couplings are typically constructed from carbon steel or 304SS, employ elastomeric type o-rings, and are for applications below 450°F. High temperature DUR O LOK® couplings are typically constructed from 321 SS (other materials available), employ a Graphoil® type gasket, and are for applications exceeding 450°F. Back to form.