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8 in Stainless Steel Pipe Coupling, 2-Bolt, 232 psi, Polished Finish, Nitrile Seal MPN:STR21401-SI

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Brand: Straub
Part #: STR21401-SI
SKU
510-G3941277
Regular Price $1,782.61 Special Price $1,273.29

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8 in Stainless Steel Pipe Coupling, 2-Bolt, 232 psi, Polished Finish, Nitrile Seal

The STRAUB STR21401-SI is a high-performance stainless steel pipe coupling designed for use in air, natural gas, non-potable water, or propane piping systems. Made from durable 316 stainless steel with a polished finish, this coupling provides a long-lasting and corrosion-resistant connection. With a maximum operating pressure of 232 psi and a temperature range of -4 to 180°F, it is ideal for a variety of applications including industrial, commercial, and residential settings. The coupling features a nitrile seal and is compliant with relevant standards, ensuring a secure and reliable connection that meets industry requirements.

Top product features:

  • 316 Stainless Steel with polished finish
  • Joins two pipes in a straight line, creating a continuous flow path
  • Nitrile seal included for secure and leak-free connection

Top product applications:

  • Air
  • Natural gas
  • Non-potable water

The STRAUB - STR21401-SI is a stainless steel pipe coupling designed to join two pipes in a straight line, creating a continuous flow path. Made from 316 stainless steel with a polished finish, this coupling is designed for use with air, natural gas, non-potable water, or propane piping systems within the specified operating parameters (max 232 psi, -4 to 180°F). Nitrile seal included. Movement Type: Axial. The coupling has an overall length of approximately 5.56 inches and fits nominal 8-inch pipe sizes. It is rated for a maximum operating pressure of 232 psi within a temperature range of -4 to 180 degrees Fahrenheit. The product conforms to standards including ANSI, ASTM 1476, AWWA C227-07, ISO, and NP-15837/15838, and is compliant with low lead certification requirements.

Key Features:

  • - Material: 316 Stainless Steel with polished finish
  • - Application: Air, natural gas, non-potable water, or propane piping systems within specified operating parameters (max 232 psi, -4 to 180°F)
  • - Nominal Pipe Size: 8 inches
  • - Overall Length: 5-39/64 inches (approximately 5.56 inches)
  • - Maximum Operating Pressure: 232 psi
  • - Temperature Range: -4 to 180 degrees Fahrenheit
  • - Nitrile seal included
  • - Bolt Material and Size: 316 Stainless Steel, 219mm Hex bolts (2 bolts)
  • - Movement Type: Axial
  • - Low Lead Certified and Compliant with relevant standards
  • - Conforms to ANSI, ASTM 1476, AWWA C227-07, ISO, and NP-15837/15838 standards


Additional Information

  • Country of Origin: CH
  • Drop Ship Item: Yes
  • Blind Ship Eligible: No
  • LTL Freight Required: No
  • Lead Time: Ships in 1 days
  • Minimum Order Quantity: 1
  • Unit of Measure: EA
  • Package Length: 4.00
  • Package Width: 4.00
  • Package Height: 4.00
  • Package Weight: 13.00
Product info last updated on February 26, 2026 9:40am UTC Category: Pipes, Valves and Fittings
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