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Mark 978OR Series

Mark 978OR Series by Steriflow Valve
Picture of Mark 978OR Series with remote smart positioner

Medium to high flow, O-ring stem seal

Angle style control valve, for continuous precision control of gas, air, USP PW (purified water), CIP fluids in the biopharmaceutical, pharmaceutical, food & beverage and consumer health & beauty industries:

  • Bioreactor/Fermenter process input control: clean compressed air and gas
  • Separation/Purification: clean compressed air and gas
  • Clean Utilities: USP PW, CIP, Clean compressed air and gas
  • F & B and Consumer H & B Process: Inputs, outputs, purified water and clean utilities
Features & Benefits
  • A variety of FDA/USP Class VI, o-ring materials to choose from
  • Mechanically and electropolished internal components – 20Ra (0,5µm) finish, standard; 8Ra (0,2µm) optional
  • Gravity draining/no holdup and a variety of installation orientations possible
  • A wide variety of true flow characteristics available
Specifications
  • Size: 1/2″ though 2″ (DN15 through DN50)
  • End Connections: ASME, DIN and ISO tri-clamp, extended tube weld
  • Cv (Kv) & Flow Characteristic: 0.2 – 60 (0,17 – 51,6), linear, equal percentage or quick opening trim characteristics
  • Max. Pressure/Temperature: 450 psi (31 bar) at 100°F (38°C), dependent upon construction; 450 psi (31 bar) at 450°F (232°C) body and o-ring dependent upon construction
  • Wetted Material: ASME SA479 316L (UNS 31603) is standard. EN 10272:2000 GR 1.4435, AL-6XN®, Hastelloy C-22 and others are optional
  • Surface Finish: ASME BPE SF5, 20Ra (0,5µm) electropolish is standard, 8Ra (0,2µm) optional
  • Stem Seal – O-ring: Various – all certified to FDA/USP Class VI
  • Soft Seat Option (CV > 3.5 only): PTFE FDA/USP Class VI; PEEK FDA/USP Class VI
Documentation
Resources

Jorlon Facts and Warranty

The majority of Steriflow valves come with the Jorlon diaphragm and, of course, a lifetime diaphragm warranty.

View Resource
Approvals
  • CRN (Canadian Registration Number)
  • PED Category 1 (Pressure Equipment Directive)
  • SEP Declaration (Sound Engineering Practice)
  • EC Declaration of Conformity
  • ATEX Certified
  • All products use FDA and USP Class VI approved soft goods and seals where possible. Consult each product data for details
STEP Files

Mark 978OR Series with Actuator
1/2″ Mark 978 Series with O-Ring and 35M Actuator
1/2″ Mark 978 Series with O-Ring and 55M Actuator
3/4″ Mark 978 Series with O-Ring and 35M Actuator
3/4″ Mark 978 Series with O-Ring and 55M Actuator
1″ Mark 978 Series with O-Ring and 35M Actuator
1″ Mark 978 Series with O-Ring and 55M Actuator
1-1/2″ Mark 978 Series, O-Ring, 55M Actuator
1-1/2″ Mark 978 Series, O-Ring, 85M Actuator
2″ Mark 978 Series, O-Ring, 55M Actuator
2″ Mark 978 Series, O-Ring, 85M Actuator

Mark 978OR Series with Actuator and Side Positioner
1/2″ Mark 978 Series, O-Ring, 35M, & 16IP Side Positioner
1/2″ Mark 978 Series, O-Ring, 35M, & 16IQ Side Positioner
1/2″ Mark 978 Series, O-Ring, 35M, & 16PP Side Positioner
1/2″ Mark 978 Series, O-Ring, 55M, & 16IP Side Positioner
1/2″ Mark 978 Series, O-Ring, 55M, & 16IQ Side Positioner
1/2″ Mark 978 Series, O-Ring, 55M, & 16PP Side Positioner
3/4″ Mark 978 Series, O-Ring, 35M, & 16IP Side Positioner
3/4″ Mark 978 Series, O-Ring, 35M, & 16IQ Side Positioner
3/4″ Mark 978 Series, O-Ring, 35M, & 16PP Side Positioner
3/4″ Mark 978 Series, O-Ring, 55M, & 16IP Side Positioner
3/4″ Mark 978 Series, O-Ring, 55M, & 16IQ Side Positioner
3/4″ Mark 978 Series, O-Ring, 55M, & 16PP Side Positioner
1″ Mark 978 Series, O-Ring, 35M, & 16IP Side Positioner
1″ Mark 978 Series, O-Ring, 35M, & 16IQ Side Positioner
1″ Mark 978 Series, O-Ring, 35M, & 16PP Side Positioner
1″ Mark 978 Series, O-Ring, 55M, & 16IP Side Positioner
1″ Mark 978 Series, O-Ring, 55M, & 16IQ Side Positioner
1″ Mark 978 Series, O-Ring, 55M, & 16PP Side Positioner
1-1/2″ Mark 978 Series, O-Ring, 55M, & 16IP Side Positioner
1-1/2″ Mark 978 Series, O-Ring, 55M, & 16IQ Side Positioner
1-1/2″ Mark 978 Series, O-Ring, 55M, & 16PP Side Positioner
1-1/2″ Mark 978 Series, O-Ring, 85M, & 16IP Side Positioner
1-1/2″ Mark 978 Series, O-Ring, 85M, & 16IQ Side Positioner
1-1/2″ Mark 978 Series, O-Ring, 85M, & 16PP Side Positioner
2″ Mark 978 Series, O-Ring, 55M, & 16IP Side Positioner
2″ Mark 978 Series, O-Ring, 55M, & 16IQ Side Positioner
2″ Mark 978 Series, O-Ring, 55M, & 16PP Side Positioner
2″ Mark 978 Series, O-Ring, 85M, & 16IP Side Positioner
2″ Mark 978 Series, O-Ring, 85M, & 16IQ Side Positioner
2″ Mark 978 Series, O-Ring, 85M, & 16PP Side Positioner

Mark 978OR Series with Actuator and Top Positioner
1/2″ Mark 978 Series, O-Ring, 35M, Top Positioner
1/2″ Mark 978 Series, O-Ring, 55M, Top Positioner
3/4″ Mark 978 Series, O-Ring, 35M, Top Positioner
3/4″ Mark 978 Series, O-Ring, 55M, Top Positioner
1″ Mark 978 Series, O-Ring, 35M, Top Positioner
1″ Mark 978 Series, O-Ring, 55M, Top Positioner
1-1/2″ Mark 978 Series, O-Ring, 55M, Top Positioner
1-1/2″ Mark 978 Series, O-Ring, 85M, Top Positioner
2″ Mark 978 Series, O-Ring, 55M, Top Positioner
2″ Mark 978 Series, O-Ring, 85M, Top Positioner

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