DuPont Kevlar® Reinforced Non-Metallic Expansion Joint
The Secure-Flex interlocking flanges are compatible to mate with Lap-Joint Stub ends, Raised Face or Flat Full Face type flanges. For other mating flange surfaces (wafer type check or butterfly valves), a full face hard spacer may be required.
Consult UIP International, Inc. Engineering.
The standard floating flanges are 150# drilled powder-coated carbon steel.
Galvanized, stainless steel and other alloy type materials are also available. DIN-PN-JIS and other nonstandard drill patterns customizable to your needs.
Kevlar® wrapped around a solid steel ring in the base of the rubber flange portion eliminates the tire cord from pulling out of the flange, and provides superior sealing force when compressed against the mating flange during installation. The ring also prevents the distortion of the sealing surface if the installation tolerance is exceeded providing an extra margin of safety. Polyester tire cord may be substituted, with customer approval, for sizes 14″ and above if design temperature does not exceed 250°F.
Features & Benefits
• Precision Laser-Cut Carbon Steel Flanges
• Powder-Coated Flanges for maximum durability
• Floating Flange Design for ease of installation
• Available in non-standard face-to-face dimensions
• PTFE lining available
• Compensates for offset bolt holes and piping misalignment
• Multi-arch configurations
• Standard and custom drill patterns available
• Concentric and eccentric tapers and offset styles
• Sizes up to 144″
Secure-Flex 7000 Available Materials Temperature Ratings
In order to accommodate a wide array of temperatures, the Secure-Flex Style 7000 is available in an assortment of elastomer and reinforcement combinations. Temperature allowances may range from 180°F to 400°F.
Primary Elastomers
• Natural Rubber – 180°F
• Gum Rubber – 180°F
• Neoprene – 225°F
• Nitrile – 225°F
• EPDM – 250°F
• CSM – 250°F
• Chlorobutyl – 250°F
• Viton® – 400°F
• PTFE/FEP/TFE – 400°F
Other Elastomers Available
• White FDA
• NSF
• Peroxide Cured
300°F rating available for EPDM and chlorobutyl for air service at 50 PSI MAX
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