User Manual

Steriflow by Jordan Valve
3170 Wasson Road • Cincinnati, OH 45209
513.533.5600 • 800.543.7311 • 513.871.0105 (f)
sterifl[e-mail] • www.steriflowvalve.com
3L/T-2R/S33 Series
Mark 978LF Series
Sanitary Low Flow Control Valves
The Mark 978LF Sanitary Low Flow Control Valve is
designed to meet the stringent specications for low ow
sterile processes. Steriow's strict adherence to ASME
BPE, and sanitary regulations make these low ow control
valves suitable for a wide variety of liquid and gaseous
media. The Mark 978LF is ideal for use in Clean air or gas,
USP Puried Water, and CIP service in pharmaceutical and
bioprocess, and in a variety of applications in the cosmetic,
dairy, and food & beverage industries.
Whether the need is to control pressure, temperature, ow
pH, level, or other variables, the MK978LF's true charac-
terized trims and excellent repeatability makes it the right
choice for your sanitary process applications.
Features
• Maintenance-friendly – easy to perform maintenance
with simple disassembly, reassembly and steam-in-
place/clean-in-place capabilities
• Wetted parts made of 100% 316L Stainless Steel barstock
• No guiding surfaces in the uid – prevents particulate
generation
• Epoxy coated multi-spring actuators provide excellent
corrosion resistance during washdown
• Self-draining – when mounted in vertical or horizontal
orientations
• No threads in contact with service media – prevents
accumulation of contaminants
• Mechanically polished internal components – 20 Ra
(0,5 µm) nish, electropolish – standard, 8 Ra optional
• FDA and USP Class VI conformity on all process seal
materials
Documentation
The following documentation is shipped at no charge:
• Steriow Unicert: Certicate of Compliance for:
- Material, including MTR’s
- Surface Finish
- FDA/USP Class VI
• Traceability:
- Each Unicert includes individual valve serial
numbers, heat numbers and attached MTR’s directly
traceable to the valve serial number, and heat
numbers on all wetted metallic components
available Finishes
Body
• Standard: 20 Ra mechanical nish on
internal wetted surfaces (0,5 µm); ma-
chine nish on exterior (63 RMS), and
electropolished inside and out
• Optional: 20 Ra mechanical nish on
external surfaces (0,5 µm); 8 Ra nish
on internal or external surfaces (0,2 µm)
Stem
• Standard: 20 Ra mechanical nish and
electropolish (0,5 µm)
• Optional: 8 Ra mechanical nish (0,2 µm)
applications
A wide variety of applications exist for the
MK978LF in the pharmaceutical, biotech,
cosmetic, and food and beverage industries.
• Clean air or gas, USP Puried Water, and
CIP service
• Liquid ingredient addition
Sanitary Valves Mark 978LF Sanitary Control Valves