Catalog excerpts
Globe Style Control Valve 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. Control Valves CRN Registration Number Available The Mark 78 globe style control valve 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. Mark 78 Globe Style Control Valves Features • 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 • 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 Jordan Valve a division of Richards Industries 3170 Wasson Road • Cincinnati, OH 45209 513.533.5600 • 800.543.7311 • 513.871.0105 (f) info@richardsin
Open the catalog to page 1Mark 78 Globe Style Control Valve Plug Style Equal Percentage Linear EqualLinear Quick Opening Pressure Temperature Charts • Pressure/Temperature Ratings, Soft Seat Temperature °C 600 Pressure Temperature Limits • Viton: -20°F to 400°F (-29°C to 204°C) • EPDM: -40°F to 450°F (-40°C to 232°C) Pressure/Temperature Ratings, Hard Seat °F (°C) PSI (BAR) BRZ PSI (BAR) CS/SS Sizes: 1/2" through 2" (DN15 through DN50) End Connections • Threaded – NPT, BSPT, BSPP • ANSI Flanges – 150#, 300# • DIN Flanges – PN 10/16, PN25/40 • Companion Flanges – PN10/16, PN25/40 • Integral Flanges – ANSI 150#, 300#...
Open the catalog to page 2Mark 78 Globe Style Control Valve Specifications Maximum Working Pressure (PSI) @ 100°F End Connection Size All Pressure At Maximum Temperature O-ring Material Viton EPDM Maximum Allowable ∆P, PSI Note: Can not exceed valve psi rating @ 100°F Equal Percentage / Linear / Equal-Linear Valve Size Actuator Size Note: 1/2" - 2" with positioner ATO actuator is bench set @ 6-30 psi / ATC actuator is bench set @ 3-15 psi.
Open the catalog to page 3Mark 78 Globe Style Control Valve Dimensions • Flanged Ends • Flanged Ends, Metric * IFE only for welded and threaded flanges, the face-to-face will be 11.00" and not be ANSI standard Actuator ANSI Size Flange Dimensions (inches) Actuator Size • Threaded Ends & FSW, Metric Size DN15 & DN20 DN25 DN40 DN50 Dimensions (metric) Actuator Size Integral flange ends available in WCB and CF8M for 1-1/2" & 2" All bronze ends are thre
Open the catalog to page 4Mark 78 Globe Style Control Valve Ordering Schematic Model No Body Mat'l Model Standard Top Mounted Positioner Side Mounted Positioner Trim 316SS Teflon Packing 316SS Teflon Braided Packing Non-Standard Seats (Characteristic) Linear Hard Linear Soft Equal Percentage Hard Equal Percentage Soft Quick Open Hard Quick Open Soft Equal Linear Hard Equal Linear Soft Non-Standard End Connections NPT BSPT BSPP FSW 150# FE 300# FE 150# FE 300# FE PN 10 DIN FE PN 16 DIN FE PN 25 DIN FE PN40 DIN FE Non-Standard Body Material Bronze Carbon Steel (WCB) Stainless Steel (CF8M)
Open the catalog to page 5Mark 78 Globe Style Control Valve Ordering Schematic (Con't) Model No Body Mat'l Actuator Range Action Air-to-Close Air-to-Open I/P None I/P 35M Actuator 4-20Ma/3-15 psi I/P 55M Actuator 4-20Ma/3-15 psi I/P 85M Actuator 4-20MA/3-15 psi O-Ring EPDM Viton Non-Standard SMP SMP DIR/REV 3-15 SMP/IP DIR/REV 4-20 MK16IQ DIR/REV MK16IQ-B DIR/REV PED Compliance Not Required CE Category 1 Non-Standard Accessories None Air Regulator 78TP Air-to-Close Air-to-Open Non-Standard For boxes 7 & 8, 9 & 10, and 11 & 12, the actuator size choice must match Jordan Valve a division of Richards Industries 3170...
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