
Namur yoke permits
easy mounting of a
variety of positioners
Mark 978 Sanitary Globe-Style Control ValVeS - Jorlon DiaphraGM Seal
Dimensions
D
B
C
A
1/2" – 1" angle style
Valve
Size
Dimensions
Weight
Lbs
A B C D
1/2" 2.08 11.94 1.91
9.50 (35M) 27 (35M)
12.50 (55M) 42 (55M)
3/4" 2.08 11.94 1.91
9.50 (35M) 27 (35M)
12.50 (55M) 42 (55M)
1" 2.08 11.94 1.91
9.50 (35M) 27 (35M)
12.50 (55M) 42 (55M)
Valve
Size
Dimensions
Weight
Kgs
A B C D
DN15 53 303 49
241 (35M) 12 (35M)
318 (55M) 19 (55M)
DN20 53 303 49
241 (35M) 12 (35M)
318 (55M) 19 (55M)
DN25 53 303 49
241 (35M) 12 (35M)
318 (55M) 19 (55M)
inches metric
Installation and Drainability (for both valves):
• Valve is bi-directional, ow can enter either connection
• When valve is open, there is no hold up volume
• * For gravity drainage from inlet to outlet, install as shown above.
Dimensions 1/2" - 1" angle style
5.80
(147,3)
1.30
(33,0)
9.50
(241,3)
12.87
(326,9)
1" valve size
*
*
-7-
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