Mark 978INLINE Series by Steriflow Valve

Category:	Sanitary Control Valves
Application:	End of Loop Back Pressure Control End of Loop Back Pressure Control (USP PW) Distribution Loop and Sub-loop Flow Control (USP PW) Distribution Loop and Sub-loop Manual Flow Balance Control (USPPW) CSG Header Pressure Control SIP Pressure Reduction Buffer Dilution Pump Pressure PRV Diluted Buffer BPR Downstream of Buffer/WFI POU Pressure Control (Buffer) TFE Rententate Back Pressure Control Chromatogrpahy Column Outlet Pressure Control Buffer Distribution or POU Flow Control Chromatography Buffer Elution Flow Control Diluted CIP BPR Downstream of Caustic/WFI Caustic Dilution Pump Pressure PRV POU Pressure Control (CIP) CIP Distribution or POU Flow Control (CIP) POU Flow Control (CDAG) Vessel Blanketing Inlet Pressure Regulation Vessel Sparge Pressure Regulation Ambient POU Pressure Control Ambient POU Pressure Control on Buffer Dilution System Distribution Loop and Sub-loop Flow Control Distribution Loop and Sub-loop Manual Flow Balance Control POU Pressure Control Vessel Blanketing Vent Back Pressure Regulation
Media:	WFI USP PW Clean Steam Buffer CIP Clean Dry Air and Gas

Medium to High Flow, Jorlon Diaphragm

Angle style or inline control valve, for continuous precision control of media, process, purified water and clean utilities in the Biopharmaceutical, Pharmaceutical, Food & Beverage and Consumer Health & Beauty industries:

Bioreactor/Fermenter process input control: Growth media, buffer, WFI, sparge and blanket gas
Separation input and out control: WFI, process, product and waste streams
Purification input and output control: Elution media, solvents, buffer, WFI
Formulation/Fill Control: WFI and other vessel inputs, blanket gas, dosing pressure
Clean Utilities: WFI, pure steam, CIP, clean compressed air & gas
F & B and Consumer H & B Process: inputs, outputs, purified water and clean utilities

Features & Benefits

Jorlon diaphragm with lifetime warranty
Mechanically polished internal components – 20Ra (0,5µm) finish, electropolish – standard, 8Ra (0,2 µm) optional
Gravity draining/no holdup and a variety of installation orientations possible
A variety of true flow characteristics available

Specifications

Sizes: 1″ through 2″ (DN25 through DN50)
Body/Bonnet Connection: bolted flange
Body/Bonnet Seal: valve diaphragm serves as bonnet seal
Body/Stem/Bonnet Material: ASTM A479 36L SST barstock
Diaphragm: Jorlon (FDA/USP Class VI to +340°F/171°C)
Stem Bushing: FDA PEEK (no process contact)
Soft Seat Option (Cv ≥3.5 only): PTFE FDA/USP Class VI to +252°F (122°C) continuous or 275°F (135°C) intermittent (less than 15 minutes over one hour); PEEK FDA/USP Class VI to +350°F (177°C)
Shutoff: Standard: ANSI Class III with metal seat; Optional: ANSI Class VI with soft seat (Cv ≥3.5 only)
Ranges: 3-15, 6-30, 3-9*, 9-15* psi (0,2 – 1,0; 0,4 – 2,0; 0,2 – 0,6*; 0,6 – 1,0* bar) * positioner required
Maximum Pressure @ 100°F (38°C); Jorlon: 150 psi (10,3 bar)
Maximum Pressure/Temperature Rating: Jorlon 100 psi @ 340°F (6,9 bar @ +171°C)
Flow Characteristics: linear, equal percentage or quick opening (consult factory for quick openings Cvs)

Documentation

Mark 978INLINE Series Data Sheet

Mark 978JD Series Installation & Maintenance Manual

Mark 978 Series Supplement Installation & Maintenance Manual

Mark 978ENSP Series 1/2" Dimensional Drawing

Mark 978ENSP Series 3/4" Dimensional Drawing

Mark 978NSP Series with MK16IQ Series Positioner Dimensional Drawing

Steriflow Valve Product Overview

Steriflow Valve Product Overview - A4

Approvals

ATEX Certified

STEP Files