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CS Fabricated PFA Lined Manhole Covers

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CS Fabricated PFA Lined Manhole Covers

As illustrated in the figure above shows the manhole covers & central opening covers with its protection rings in CS fabricated PFA lined which we provide in a flat face or dome face design. The manhole cover on a glass lined reactor provides access to the interior of the vessel for maintenance, cleaning, and product sampling.

The glass-lined surfaces of the manhole covers wear out due to the continuous operation of the glass-lined reactor. The contaminations of the process reactor can be hazardous or toxic so it is important that the manhole cover be designed to provide a secure seal that prevents any leaks or spills. In such cases, we offer a variety of CS-fabricated PTFE or PFA-lined manhole covers and central opening covers, as shown in the above image.

CS Fabricated PTFE or PFA-lined manhole covers and central opening covers are widely used in PFA lining to overcome wear resistance due to continuously operating reactors with highly corrosive fluids at high temperatures. Our engineers are able to design CS PTFE-lined manhole covers, CS PFA-lined manhole covers, CS PTFE-lined COCs, and CS PFA-lined COCs in both flat-face and disc-face designs as per user request.

Our technical team also provides physical properties like pressure rating, vacuum rating, temperature rating, heat transfer rate, and thermal conductivity, so it is easier to recognize suitable working conditions. Various tests, such as hydrostatic pressure testing, Electrostatic spark testing and dimensional verification are performed as needed.

Benefits and Features of Hi-Flon Design

  1. PFA-Lined manhole cover structures can be lined with a one-piece PFA-Lined design that includes nozzles to reduce the possibility of leaking from the flange joints.
  2. Assured for Full Vacuum (-1 BAR) to Pressure (10 BAR)
  3. PFA lining Thickness : 5 MM±1 MM
  4. Easy-to-use PFA lining compares to glass-lining
  5. Reliable construction of MS Fabricated PFA Lined manhole covers & COC against aggressive chemicals at high temperatures
  6. Providing its protection ring to prevent damage on GLR nozzle during its application

Product development is subject to ANSI B 16.5 ASA#150 of IS2062 for flanges, IS2062 Plates & ANSI 36.10 ASTM A-106 Grade B SCH-40 for Pipe for nozzles with internal lining conformance to ASTM F1545.

Transfer Molding & PTFE Sheet Lining
50 NB to 250 NB Hand-Hole covers 350 NB X 450 NB Elliptical, 500 NB & 600 NB Round Manhole Covers 800 NB to 1000 NB COC.
4 MM-5 MM & in nozzles accordance to ASTM F1545
  1. Design Temperature: 200° C & Working Temperature: 180°C.
  2. Pressure : +6 BAR
  3. Vacuum : -1 BAR
  1. Spark Test: 15 KV to check for isolated metallic contacts after lining
  2. Hydrostatic Pressure Test: 7.5 Kg/Cm².
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CS Fabricated PFA Lined Manhole Coversss

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