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  2. Thread seal tape - Wikipedia

    en.wikipedia.org/wiki/Thread_seal_tape

    PTFE tape used for different sized fittings PTFE tape for natural gas. There are two US standards for determining the quality of any thread seal tape. MIL-T-27730A (an obsolete military specification still commonly used in industry in the US) requires a minimum thickness of 3.5 mils and a minimum PTFE purity of 99%. [3]

  3. Polytetrafluoroethylene - Wikipedia

    en.wikipedia.org/wiki/Polytetrafluoroethylene

    Polytetrafluoroethylene (PTFE) is a synthetic fluoropolymer of tetrafluoroethylene, and has numerous applications because it is chemically inert. [citation needed] The commonly known brand name of PTFE-based composition is Teflon by Chemours, [3] a spin-off from DuPont, which originally discovered the compound in 1938. [3]

  4. Nominal Pipe Size - Wikipedia

    en.wikipedia.org/wiki/Nominal_Pipe_Size

    Nominal Pipe Size (NPS) is a North American set of standard sizes for pipes used for high or low pressures and temperatures. [1] " Nominal" refers to pipe in non-specific terms and identifies the diameter of the hole with a non-dimensional number (for example – 2-inch nominal steel pipe" consists of many varieties of steel pipe with the only criterion being a 2.375-inch (60.3 mm) outside ...

  5. National pipe thread - Wikipedia

    en.wikipedia.org/wiki/National_pipe_thread

    National Pipe Taper Fuel (NPTF, also called Dryseal American National Standard Taper Pipe Thread, defined by ASME B1.20.3) is designed to provide a more leak-free seal without the use of PTFE tape (often referred to by the popular brand name "Teflon") or another sealant compound. NPTF threads have the same basic shape but with crest and root ...

  6. Piping - Wikipedia

    en.wikipedia.org/wiki/Piping

    The material with which a pipe is manufactured often forms as the basis for choosing any pipe. Materials that are used for manufacturing pipes include: Carbon steel; ASTM A252 Spec Grade 1, Grade 2, Grade 3 Steel Pile Pipe; Plastic piping, e.g. HDPE pipe, PE-X pipe, PP-R pipe or LDPE pipe. [11] Low temperature service carbon steel; Stainless steel

  7. Dog Show Host Addresses ‘Rumor’ He Dated Kristin ... - AOL

    www.aol.com/dog-show-host-addresses-rumor...

    Dog Show Host Addresses ‘Rumor’ He Dated Kristin Davis While Filming “Sex and the City ”Cameo (Exclusive)

  8. Slide plate - Wikipedia

    en.wikipedia.org/wiki/Slide_plate

    The plate may be of polytetrafluoroethylene (PTFE),TEF-MET, [2] Lubrite [3] or steel according to the application. Multiple design variations are possible but the most common example of a slide plate (in structural applications) has glass-filled PTFE [ 4 ] bonded to a steel backing plate.

  9. The truth about no-appraisal home equity loans: What ... - AOL

    www.aol.com/finance/what-is-a-no-appraisal-home...

    Traditional appraisal process. No-appraisal process. Inspection. Licensed appraiser inspects property in person. Uses automated valuation models (AVMs) to assess value

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