
-8-
Mark 978 Sanitary Globe-Style Control ValVeS - Jorlon DiaphraGM Seal
Dimensions
D
B
C
A
A
C
B
D
Flow
1-1/2" – 2" valve sizes 3" valve size
Valve
Size
Dimensions
Weight
Lbs
A B C D
1-1/2" 3.08 15.00 3.30
12.50 (55M) 47 (55M)
15.00 (85M) 57 (85M)
2" 3.08 15.00 3.30
12.50 (55M) 47 (55M)
15.00 (85M) 57 (85M)
3" 3.59 15.1 4.2 15.00 (85M) 59 (85M)
Valve
Size
Dimensions
Weight
Kgs
A B C D
DN40 78 381 84
318 (55M) 21 (55M)
381 (85M) 26 (85M)
DN50 78 381 84
318 (55M) 21 (55M)
381 (85M) 26 (85M)
DN80 91 384 107 381 (85M) 27 (85M)
inches metric
Flow
Installation Orientation and Drainability:
• Valve has not hold-up when installed as shown above, but must be drained below inlet.
• 1-1/2" - 2" valves will gravity drain from inlet to outlet, when installed with inlet horizontal (outlet facing down)
Based on US tri-clamp ends. Consult factory for DIN and ISO tri-clamp
end dimensions
Outlet
Inlet
Outlet
Inlet
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