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Category: Stopping Plug
General Information
The 477 is fitted from the inside of the enclosure.
M16 to M75 as standard.
Other thread options available on request, including BSPP, PG, NPT and ET.
Metric entry threads are 1.5mm pitch as standard.
Materials & Finishes
Manufactured in Brass, Nickel Plated Brass, Steel, Nickel Plated Steel and Stainless Steel. (Aluminium for Group II use only).
Product code: R477
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477 STOPPING PLUGS SELECTION TABLE | ||
---|---|---|
Thread Size |
Thread Size (NPT) * |
Allen Key |
M16 | ½" # | 6/10 # |
M20 | ¾" or ½" | 10 |
M25 | 1" or ¾" | 10 |
M32 | 1¼" or 1" | 10 |
M40 | 1½" or 1¼" | 10 |
M50 | 2" or 1½" | 10 |
M63 | 2½" or 2" | 10 |
M75 | 3" or 2½" | 10 |
All dimensions in millimetres (except * where dimensions are in inches). # Smaller size if for M16 only. |