Steriflow Mark 95 Series Sanitary Back-Pressure Regulating Valves

The Mark 95 Series is an angle style, back pressure reducing valve for purified water, clean utilities and media in the biopharmaceutical, pharmaceutical, food & beverage and consumer health & beauty industries.

  • WFI distribution loop: return loop pressure maintenance upstream of spray ball
  • Media/buffer prep., upstream process
  • Input back pressure control for mixing buffer, media
  • Pressure maintenance and relief to sterile containment
  • Separation input and output control: for perfusion TFF, for Trans-membrane Pressure (TMP) control
  • Purification input and output control: for chromatography column, TFF or depth filtration differential pressure control
  • Pump head pressure maintenance or pressure bypass
  • Agitator or pump seal water pressure maintenance
  • F & B consumer H & B process inputs outputs, purified water and clean utilities
 

Mark 95 Series Sanitary Back Pressure Regulators Valves

Steriflow Valves

Features & Benefits:

  • No guiding surfaces in the fluid – minimizes particulate generation
  • Soft seat option for ANSI Class VI shutoff
  • 100% 316L barstock body and trim
  • Low offset (creep)
  • Lifetime warranty of Jorlon diaphragm
  • New integral gauge ports optional
  • Removing spring force during Rinse/CIP/Rinse cycle allows valve to fully open with minimal line pressure
  • LL Option allows users to manually open the valve to allow for complete drainability without affecting the set point.

 

Specifications:

  • Size: 3/4″ through 3″ (DN20 through DN80)
  • End Connections: ASME, Tri-Clamp, ASME Tube Weld Ends, DIN/ISO Tri-Clamp Connections, DIN/ISO Tube Weld Ends
  • Cv & Flow Characteristic: 0.5 – 28 Cv (0,4 – 24,1 Kv)
  • Max. Pressure/Temperature: Dependent upon construction
  • Setpoint Range: 3 psi (0,2 bar) to 90 psi (6,2 bar); dependent on size and 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
  • Diaphragm Material: Jorlon FDA, USP Class VI, 316L, EPDM/Nylon (FDA only)
  • Soft Seat Option: Jorlon, PEEK, Teflon (all materials FDA, USP Class VI)
Manufacturer
:
Steriflow Valves

Mark 95 Series Sanitary Back Pressure Regulators Valves (Steriflow-Product-Overview.pdf, 767 Kb) [Download]