Jordan Valve Mark 78 Globe-Style Pneumatic Diaphragm Control Valve

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Price $2,777.00

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SKU
MK78

Jordan Valve's Mark 78 globe style pneumatic control valve is designed for accurate performance and simplified maintenance. Available in 0.5 to 2 inch sizes.

Jordan Valve's Mark 78 pneumatic control valve is designed for accurate performance and simplified maintenance. Threaded, welded, or flanged ends complete a truly versatile valve that covers a wide variety of applications from utility steam to process gases or corrosive/viscous liquids.

The Mark 78 uses a cage-retained seat design with an unbalanced plug. Seats lift out of the valve body from the top entry cage for quick access and easy maintenance.

  • Can be used on viscous/corrosive liquids, process gases, or utility steam
  • Top entry cage and lift-out seats for easy in-line maintenance
  • Available in line sizes from 1/2" to 2"
  • Characterized flow options including linear, equal percentage, quick-opening, or an equal-linear combination
  • High capacity service: Cv up to 60 on 2" valves
  • ANSI Class IV shutoff standard; Available with soft seat for ANSI Class VI use

Models Available

Make one selection from each section of the chart. A finished model number will look like this: 78SP100BR/PTTSMA3B3S3ARD3EG0

Description Catalog Number
Globe Style Pneumatic Control Valve, NPT Threaded Connections,
316 Stainless Steel Trim, Teflon Packing, Hard Seat, Actuator and Air Regulator
Bronze Body 1/2"
3/4"
1"
1-1/2"
2"
78SP050BR/PTTS
78SP075BR/PTTS
78SP100BR/PTTS
78SP150BR/PTTS
78SP200BR/PTTS
Carbon Steel Body 1/2"
3/4"
1"
1-1/2"
2"
78SP050CS/PTTS
78SP075CS/PTTS
78SP100CS/PTTS
78SP150CS/PTTS
78SP200CS/PTTS
Seat Type Linear Hard
Equal Percentage Hard
A
C
Flow (Cv)* 1.8
2.5
4.4 (Std. on 1/2" valve)
4.6
8.0 (Std. on 3/4" valve)
9.0
11.5 (Std. on 1" valve)
12.0
12.2 (Std. on 1" valve)
12.7
15
30 (Std. on 1-1/2" valve)
35
40
45 (Std. on 2" valve)
50
60
4
5
6
7
8
M
N
P
Q
R
9
B
V
U
W
C
1
Range Direct Acting
Reverse Acting
A
B
Standard Actuator For 1/2" to 1" Valves
For 1-1/2" to 2" Valves
3B3S3AR
5B5S5AR
Action Air to-Open
Air-to-Close
D
R
I/P 4-20 mA For 1/2" to 1" Valves
For 1-1/2" to 2" Valves
3
5
O-Ring EPDM
Viton
E
V
Positioner Side-Mount, with HART® G0

* Cv at capacity for a given valve size provided at no charge.

More Information
HART No
SIL-Rated No
3A Sanitary No
Wireless No
Control Valve Type Globe
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