Custom Fabricated Butterfly Valves

Flanged End Valves
SIZE A B C D E F G
54 35 ⅝ 39 66 ¼ 15 1 ⅜ 44 – 1 ¾ 62 ¾
60 39 43 ⅝ 73 15 1 ½ 52 – 1 ¾ 69 ¼
66 43 47 ⅛ 80 18 1 ⅝ 52 – 1 ¾ 76
72 46 ¼ 51 ⅛ 86 ½ 18 1 ¾ 60 – 1 ¾ 82 ½
78 50 54 ⅝ 93 18 1 ⅞ 64 – 2 89
84 53 ⅛ 59 ⅝ 99 ¾ 18 2 64 – 2 95 ½
90 56 ½ 63 ⅜ 106 ½ 21 2 ⅛ 68 – 2 102 ¼
96 60 ⅝ 67 ½ 113 ¼ 24 2 ¼ 68 – 2 ¼ 108 ½
  • Size = Nominal valve size.

  • Consult factory for larger than 96".

  • Clearance holes only. Bolt holes are ⅛" larger than bolt size for bolts smaller than 1¾".

  • Bolt holes are ¼" larger than bolt size for bolts 1¾" and larger.

  • Additional height dimension for replaceable packing bonnet: 1 inches for valves through 60 inches;

  • 11 inches for valves 66 inches and larger.

  • Allow 3½ inches for thrust bearing removal

  • F = Number and size of bolts. 125 lbs. Standard layout. Straddle centerline.