PTFE Lined Manhole Cover

PTFE Lined Manhole Cover

Stanflora design and manufacture a range of PTFE Lined manhole covers to suit international standards, typically for Glass Lined Reactors.

The typical nominal sizes supplied are shown in the size chart tab below. Other nominal sizes are available on request.

During operation, glass lined reactor manhole covers can be damaged by frequent opening and closing. As such, in addition to providing original equipment manufacturers, Stanflora can supply replacement covers for existing end user equipment.

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Body Material Options

  1. Ductile Iron - GGG40.3 / ASTM A395
  2. Cast Steel - ASTM A216 Gr.WCB
  3. Steel Fabrication - ASTM A234 Gr.WPB with Flanges as per ASTM A 105 / IS 2062
  4. ASTM A312 TP SS316/316L/304, SCH-40

Lining Material Options

  1. PTFE – ASTM D 4895
  2. PFA – ASTM D3307
  3. FEP – ASTM D2116
  4. HDPE
  5. Anti-Static PTFE/PFA
  6. Lining & Other-Dimensional Tolerances as per ASTM F 1545 15a

Standard Flora Alternate PTFE Lined Pipe Sizes

NB D D1 W H TYPE
5006102023288ROUND
450/350530/4301153086ELLIPTICAL
400/300500/4001153086ELLIPTICAL
300380652880HAND HOLE
250320652880HAND HOLE
200266652880HAND HOLE
150212492872HAND HOLE
  • Manhole Cover Body : ASTM A234 grade WPB, in compliance with ANSI B16.28
  • Flange Size: ASTM A105, in compliance with ANSI B16.5/class 150lbs; JIS 10k or DIN is also available on request.
  • Lining : Pure PTFE in compliance with ASTM 4895, PTFE/PFA, ASTM D 3307.
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