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Mark 8000 Series Heavy Duty Control Valves
Brand: LowFlow ValveThe Mark 8000 Series is a group of heavy duty control valves specifically designed for process applications requiring full flow or fractional flow control.
Available with a wide selection of body sizes and styles, this valve can be configured in 2-way or 3-way designs, for diverting or mixing service and with globe or angle valve style seats.
Features- Totally enclosed multi-spring actuator which minimizes deadband and is field reversible
- Wide range of positioners and actuators
- Heavy-duty barstock construction for pressures up to 6000 psi (414 bar)
- Available in Kynar, PVC and CPVC
- Specialty alloys are readily available
- In-line design to 2″ (DN50); angle pattern up to 1″ (DN25)
- In-line maintainable for quick, easy trim repairs
Specifications
Brand
Sizes
- 1/2” to 2”
- DN 15 to DN 50
End Connections
- NPT
- BSPT
- Raised-face Flanges: ANSI, DIN, JIS
- Ring-Type Joint Flanges
- Socket Weld: Schedule 40,60 or 160
- Bolt-Thru Flanged: Plastic Body Only
Body Style
- 2-Way Angle
- 3-Way Globe
- 2-Way Globe
Bonnet Type
- Standard Screwed
- 8” Extended
- Multi-ply Bellows Seal
- Extended Multi-ply Bellows Seal
Trim Material
- Hastelloy C
- Alloy 20
- Satellite
- Kynar
- PVC
- Monel
- 316 Stainless Steel/Stellite
- 316 Stainless Steel Seat & Stem/17-4 pH Stainless Steel Plug
- 316 Stainless Steel Seat, Stem & Plug
Actuator Material
- Steel
- Nickel-Plated Steel
- 304 Stainless Steel
Diaphragm Material
- Buna-N
- Nylon
Shutoff
- Standard: ANSI Class III or ANSI Class IV
- Optional: ANSI Class CI with Soft RPTFE Seats
Ranges
- 3-15 psi
- 6-30 psi
Action
- Direct
- Reverse