BN-DS-C70 Valve Locking Arrangement

Details

Design standard for valve locking arrangement. Detail dimensions are depending client requirements and vendor data for locking device.

General Notes:

  1. Bottom of 6" pipe to be machnied at location of spokes in such a way that the bootom of the locking late is flush with the top of the yoke nut and or handwheel nut. 6" pipe to be welded at all spokes.
  2. Mounting, bolting-up and bolt tackwelding of the castell locks shall be carried out after the connected piping system is tested just prior to commissioning.
  3. All parts to be free from sharp edges.
  4. Lock mounting plate (pos 5) to be welded to 6" pipe (pos 4) after locking plate (pos 1) is mounted.
  5. Pos 4 is pipe schedule 120 (168.3 x 139.7 diam.) material API-5L
  6. Based on "Castel" lock type KL
Valve
Spindle Diameter
R
A
D
Size
150#
300#
2" 3/4" (19) Diam. 3/4" (19) Diam. 12 13 24
3" 7/8" (22.2) Diam. 7/8" (22.2) Diam. 13.5 16 27
4" 1" (25.4) Diam. 1" (25.4) Diam. 15 19 30
6" 1 1/8" (28.6) Diam. - - - 17 22 34
6" - - - 1 1/4" (31.7) Diam. 18.5 25 37
8" 1 1/4" (31.7) Diam. - - - 18.5 25 37
8" - - - 1 3/8" (34.9) Diam. 20 28 40
10" 1 3/8" (34.9) Diam. - - - 20 28 40
10" - - - 1 1/2" (38.1) Diam. 21.5 30 43

Details of valve locking arrangement