Steriflow Mark 978LF Series User Manual
Mark 978lf series, Sanitary low flow control valves, 3l/t-2r/s33 series
Steriflow by Jordan Valve
3170 Wasson Road • Cincinnati, OH 45209
513.533.5600 • 800.543.7311 • 513.871.0105 (f)
[email protected] • 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 specifications for low flow
sterile processes. Steriflow's strict adherence to ASME
BPE, and sanitary regulations make these low flow 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 Purified 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, flow
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.
F
eatures
• 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 fluid – 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) finish, electropolish – standard, 8 Ra optional
• FDA and USP Class VI conformity on all process seal
materials
D
ocumentation
The following documentation is shipped at no charge:
• Steriflow Unicert: Certificate 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
a
vailable
F
inishes
Body
• Standard: 20 Ra mechanical finish on
internal wetted surfaces (0,5 µm); ma-
chine finish on exterior (63 RMS), and
electropolished inside and out
• Optional: 20 Ra mechanical finish on
external surfaces (0,5 µm); 8 Ra finish
on internal or external surfaces (0,2 µm)
Stem
• Standard: 20 Ra mechanical finish and
electropolish (0,5 µm)
• Optional: 8 Ra mechanical finish (0,2 µm)
a
pplications
A wide variety of applications exist for the
MK978LF in the pharmaceutical, biotech,
cosmetic, and food and beverage industries.
• Clean air or gas, USP Purified Water, and
CIP service
• Liquid ingredient addition
Sanitar
y V
alv
es
Mark
9
78LF
Sanitar
y Control
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