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BSI BS 1655:1950

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Specification for flanged automatic control valves for the process control industry (face-to-face dimensions)
Best Price Guarantee Jul 12, 1950 English 8 Pages
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BSI BS 1655:1950

Specification for flanged automatic control valves for the process control industry (face-to-face dimensions)

PUBLISH DATE 1950
PAGES 8
BSI BS 1655:1950

The following categories of flanged automatic control valves with metal bodies are covered in this British Standard.

Category 0.

  1. Valves with flanges in accordance with BS 45041), PN 10 (10 bar) and PN 16 (16 bar).

    NOTE These face-to-face dimensions are subject to international negotiation; the listed dimensions may be used but are subject to agreement between the user and the manufacturer.

  2. Valves with flanges in accordance with BS 15602), Class 150.
  3. Valves with flanges in accordance with Class 125 (see BS 51503), Table 7).

Category 1.

  1. Valves with flanges in accordance with BS 1560, Class 300.
  2. Valves with flanges in accordance with BS 4504, PN 25 (25 bar) and PN 40 (40 bar).

    NOTE These face-to-face dimensions are subject to international negotiation; the listed dimensions may be used but are subject to agreement between the user and the manufacturer.

  3. Valves with flanges in accordance with BS 104), Tables up to and including Table J, also Table L, Table M and Table P.

    • NOTE 1 Table C flange thicknesses are to be provided where valve flanges are called for in accordance with Table A and Table B, Table F thicknesses for Table D and Table F.

    • NOTE 2 BS 10 is obsolescent.

Category 2.

  1. Valves with flanges in accordance with BS 1560, Class 600.
  2. Valves with flanges in accordance with BS 4504, PN 64 (64 bar) and PN 100 (100 bar).
  3. Valves with flanges in accordance with BS 10, Table K and Table R.

    NOTE BS 10 is obsolescent.

Valves of *conventional pneumatic-diaphragm-operated single or double beat type.*

Recommendation that applies to other types of automatic control valve for process control industry.

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