MIFAB MI-HUB-43 4" x 3" Regular Shielded No-Hub Cast Iron Pipe Couplings

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MIFAB MI-HUB-43 4" x 3" Regular Shielded No-Hub Cast Iron Pipe Couplings

MIFAB MI-HUB-43 4" x 3" Regular Shielded No-Hub Couplings for Cast Iron Pipe.

Function:

  • Used to provide a positive and significant seal between no hub cast iron pipe and fittings.

Features & Benefits:

  • Multiple sizes available
  • Stainless steel protective shield
  • Mechanical Interlocking Clamp Design
  • Floating Eyelet Design
  • 5/16" Hex Head Screw
  • Formed Gasket Design
  • Numerous National and International testing certificates and approvals.

Product Specification:

MIFAB® Series MI-HUB No-Hub Couplings are manufactured with gaskets made from an elastomeric compound that meets the requirements of ASTM C-564 housed inside a Type 301 stainless steel corrugated shield. Two (2” through 4” size), four (6” through 10” size) or six (12” and 15” sizes) Type 301 stainless steel clamps tightened with 5/16” Type 305 stainless steel hex head screws surround the shield to provide the sealing force. MI-HUB Series Couplings are tested and certified to the ASTM-C1277-2009a, CISPI 310-2010, and CSA B602-2010 (File # 247608) Standards and are listed with IAPMO. Also tested and certified by Intertek Testing Services to CAN/ULC S102.2-07 “Smoke Test.”.

Material Specifications:

  • Bands: Type 301 AISI stainless steel (Minimum tensile 165,000 psi)
  • Eyelets: Type 301 AISI stainless steel.
  • Gasket: Elastomeric compound meeting the requirements of ASTM C-564.
  • Screw Housing: Type 304 AISI stainless steel.
  • Screws: Type 305 AISI stainless steel, 5/16” Hex head / Shoulder
  • Shield: Type 301 AISI stainless.

Performance Specifications:

  • Tested to maintain 4.3 psi of water pressure (typical 10’ head).
  • Requires a 5/16” hex head driver to tighten bolts to 60 inch lbs. min/max torque.

Technical Downloads:

 


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