Globe/Cage Guided Control Valves > Mark 78 Series




![]() |
The Mark 78 pneumatic control valve is designed for accurate performance and simplified maintenance. This versatile product can be used on a variety of applications, including viscous/corrosive liquids, process gases or utility steam in process or utility service. The Mark 78 utilizes a cage retained seat design with unbalanced plug. The top entry cage design allows maintenance while the valve is in the line. The trim comes with stainless steel standard, or can easily accommodate special materials for maximum corrosion resistance. Threaded, welded or flanged ends complete a truly versatile valve that covers a wide variety of applications from utility steam to process gases, to corrosive/viscous liquids. |
Features & Benefits




![]() |
A top entry cage design — allows easy, in-line maintenance |
![]() |
Optional soft seats — enables bubble-tight ANSI Class VI shutoff |
![]() |
Characterized flow options — including linear, equal percentage, quick opening, or an equal-linear combination |
![]() |
High capacity service — Cv's up to 60 (Kv's up to 51,6) in 2" (DN50) valves; Cv's up to 200 (Kv's up to 172) on 4" (DN100) valves |
![]() |
Lift out seats — seats are not screwed in, and lift out of the valve body for easy access and quick maintenance |
![]() |
Versatile use — can be used on a variety of applications including liquids, gases or steam |
Download More Information



Mark 78 Series Cutsheet
Mark 78 Series Dimensional Drawings
Mark 78SP Series Dimensional Drawings
Mark 78TP Series Dimensional Drawings
Mark 78 Series I & M
Condensed Catalog
Globe Style Sizing Program
For More Information



Find Your Local Representative
Request Literature
Catalog Navigator


Mark 78 Series Cutsheet
Mark 78 Series Dimensional Drawings
Mark 78SP Series Dimensional Drawings
Mark 78TP Series Dimensional Drawings
Mark 78 Series I & M
Condensed Catalog
Globe Style Sizing Program
For More Information

Find Your Local Representative
Request Literature
Catalog Navigator




