Dunham Rubber & Belting Corporation
Dunham Rubber & Belting Corporation
682 Commerce Parkway West Drive, Greenwood, IN 46143
Toll Free: 800.876.5340
Tel: 317.888.3002
Fax: 317.888.2335
Email: mail@dunhamrubber.com
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NPTF Thread Joint for Inch-Size Tube-2
Unit of Measure
Items Image
NH1641C100
NPTF Thread Joint for Inch-Size Tube 		Image
NH1641D100
NPTF Thread Joint for Inch-Size Tube 		Image
NH1641N100
NPTF Thread Joint for Inch-Size Tube 		Image
NH1641S100
NPTF Thread Joint for Inch-Size Tube 		Image
NH1641V100
NPTF Thread Joint for Inch-Size Tube
Tube Size N/A 1.00 in
Type N/A Standard
Gasket Material N/A BUNA-N (Standard) N/A EPDM N/A BUNA-N (High Temperature) N/A Silicone N/A Fluorocarbon
Thread NPTF N/A 1 - 11-1/2 in
Dimension L N/A 3.28 in
Allowable Misalignment N/A ±2º per end
Gasket Temperature Rating1 N/A Oils -25ºF to +212ºF (-32ºC to +100ºC) Water -25ºF to +180ºF (-32ºC to +82ºC) N/A Water and water/glycol mixture +20ºF to +275ºF (+29ºC to +137ºC) N/A Oils -25ºF to +250ºF (-32ºC to +121ºC) Water and Steam -25ºF to +225ºF (-32ºC to +107ºC) N/A -65ºF to +350ºF (-54ºC to +177ºC) N/A -25ºF to +450ºF (-32ºC to +232ºC)
Pressure Rating2 N/A 2.07 MPa 300 psi
Vacuum Rating N/A 1.79 bar 25 in. Hg
Notes N/A Flexmaster flanged and threaded styles shown on this page are not normally stock items and are not available in stainless steel. Consult Eaton for delivery.
  • 1 Maximum temperature ratings are meant as a guide only.
    For extreme temperature conditions, consult factory.
  • 2 Warning: The Flexmaster joint is designed to seal pipe and tube connections. The Flexmaster joint is not intended to hold piping systems together. Normal hangers, guides, anchors and other external piping restraints must be used to restrain the piping or tubing system from movement.