Mark ED & ET Series Globe Style Control Valve
Top Entry Cage Design, Tight Shutoff, Sizes: 8"
The Mark ED Series globe style control valve is intended for general control applications over a wide variety of temperatures and pressure drops. This design has an upper piston ring seal and metal-to-metal seating.
The Mark ET Series globe style/type control valve is intended for applications requiring low leakage rates with composition seating (TFE) for tight shutoff requirements or metal-to-metal seating for higher temperature capabilities. The valve plug has a two-piece upper seal.
Both styles of cage-guided globe valves provide excellent pressure and flow control for steam, gases, and various liquid applications.
- Top entry cage design allows easy, in-line maintenance
- Balanced Plug allows the use of smaller actuators
- Characterized flow options including equal percentage, linear, and quick opening
- Available in a variety of body and trim materials make the Mark E Series suitable for a variety of applications including liquids, gasses or steam
- Cage guiding allows the Mark E to handle high pressure drops while providing greater plug stability
- Sour Service Capability: Optional NACE MRO175/ISO15156-2009
- Tight shutoff
Size: 8″
End Connections:
- ANSI Flanges – Class 150. 300, 600
- Raised Face or Ring Type Joint Flanges as per ASME B16.34 latest edition
Body Materials: LCC, WCB, WCC, WC9, C5, Monel, CF8M SST, additional materials may be available upon request
Trim Materials: 316SST, 416SST, 17-4PH, Alloy 6-Co.Cr-A, Cobalt, 316SST/Tungsten Carbide
Seats: Metal, PTFE
Shutoff:
- Mark ET: ANSI Class IV & V
- Mark ED: ANSI Class II & III
Maximum Inlet Pressure & Temperature: consistent with ASME Class per ASME 16.34
Maximum Pressure Drops: all valves are capable of full rated pressure drops
Flow Characteristics: Quick opening, linear, equal percent
Trim Options: Noise abatement, Anti-cavitation
Flow Direction:
- Normally Down, Linear, Quick Opening, Equal Percent
- Always up, Noise Abatement
- Always Down, Anti-Cavitation
Valve Travel Indication: Valves are supplied with Visual Travel Indicator
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