Mark 978LF-OR Series
Low 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:
- Small vessel process input control: 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
- The smallest nominal flow offering in the industry. Six Cv’s between 0.005 and 0.1 enables you to control flow for any application
- Maintenance friendly – easy to perform maintenance with simple disassembly, reassembly, and steam-in-place/clean-in-place capabilities
- Mechanically and electropolished internal components – 20Ra (0,5µm) finish; others upon request
- FDA and USP Class VI conformity on all process seal materials
- Self-draining (no hold-up) – when mounted in either vertical or horizontal orientations
- Size: 1/2″ & 3/4″ (DN15 & DN20)
- End Connections: ASME, DIN and ISO tri-clamp, extended tube weld
- Cv (Kv) & Flow Characteristics: 0.005 – 0.1 (0,0043 – 0,086)
- Pressure at Maximum Temperature: 200 psi (13,8 bar) at 300°F (149°C) dependent on o-ring 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
Jorlon Facts and Warranty
The majority of Steriflow valves come with the Jorlon diaphragm and, of course, a lifetime diaphragm warranty.
- CRN (Canadian Registration Number)
- SEP Declaration (Sound Engineering Practice)
- ATEX Certified
- EC Declaration of Conformity
- All products use FDA and USP Class VI approved soft goods and seals where possible. Consult each product data for details
Mark 978LF Series
1/2″ Mark 978LF Series with 14M Actuator
3/4″ Mark 978LF Series with 14M Actuator
1/2″ Mark 978LF Series with Actuator and Positioner
1/2″ Mark 978LF Series with 14M and 16IP Side Positioner
1/2″ Mark 978LF Series with 14M and 16IQ Side Positioner
1/2″ Mark 978LF Series with 14M and 16PP Side Positioner
1/2″ Mark 978LF Series (Jorlon Diaphragm) with 14M and 16IP Side Positioner
1/2″ Mark 978LF Series (Jorlon Diaphragm) with 14M and 16IQ Side Positioner
1/2″ Mark 978LF Series (Jorlon Diaphragm) with 14M and 16PP Side Positioner
3/4″ Mark 978LF Series with Actuator and Side Positioner
3/4″ Mark 978LF Series with 14M and 16IP Side Positioner
3/4″ Mark 978LF Series with 14M and 16IQ Side Positioner
3/4″ Mark 978LF Series with 14M and 16PP Side Positioner
3/4″ Mark 978LF Series (Jorlon Diaphragm) with 14M and 16IP Side Positioner
3/4″ Mark 978LF Series (Jorlon Diaphragm) with 14M and 16IQ Side Positioner
3/4″ Mark 978LF Series (Jorlon Diaphragm) with 14M and 16PP Side Positioner
Mark 978LF Series with Actuator and Top Positioner
1/2″ Mark 978 Series with 14M and Top Positioner
1/2″ Mark 978 Series (Jorlon Diaphragm) with 14M and Top Positioner
3/4″ Mark 978 Series with 14M and Top Positioner
3/4″ Mark 978 Series (Jorlon Diaphragm) with 14M and Top Positioner
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Related Products
Mark 978OR Series
Medium to high flow, O-ring stem seal
Mark 16IQ Series
Side Mounted I/P
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