Tensioner Application Checklist

If you are interested in designing your own custom tensioner, please fill out the entire form below. A Riverhawk representative will then be in touch shortly after.

Contact Information

Please fill out all fields

Name *

First

Last

Phone *

Company *

Email *

Specifications

Use Figure About With Letter Dimensions To Help Determine Requirements

Please describe your application

What Unit Of Measurement Is Being Used?

Current Nut Type

Stud Stick Out (Dimension A)

Nut Height (Dimension B)

Nut Diameter (Dimension C)

Nominal Stud Diameter (Dimension D)

Number of Threads Per Inch or Metric Thread Pitch

Minimum Stud Body Diameter (Dimension E)

Stud Body Length (Dimension F)

Thickness Clamped Flange(s) (Dimension G1, G2)

Figure G1, G2

Vertical Clearance To Obstruction (Dimension H)

Horizontal Clearance To Obstruction (Dimension J)

Diametrical Clearance Or Angle (Dimension K)

Flange Diameter Or Width (Dimension L)

Bolt Circle Diameter Or Width (Dimension M)

Washer OD (If Applicable)

Washer Thickness (If Applicable)

Stud Material

Minimum Stud Yield Strength

Desired Residual Preload in Stud

Desired Maximum Hydraulic Pressure (typically 10,000-40,000 psi)

Internal Diameter If Nut Fits In A Counterbore( Or Spot Face Diameter)

Depth If Nut Fits In A Counterbore

Chemicals In Contact With Studs

Actuation Temperature

Maximum In-Service Temperature

Total Number of Studs to be Tensioned

Will several studs be loaded at one time (Simultaneous Tensioning)?

If several at a time, How many studs at one time & how far apart will the studs be?

Upload Additional Documents

Click or drag files to this area to upload. You can upload up to 3 files.