Fisher sanitary backpressure regulator SR8

Type SR8 backpressure regulator is a compact, large capacity, direct-operated backpresure regulator. It is designed for use in applications where a sanitary design is essential, such as pharmaceutical, biotech, or food and beverage industries. The unit is available in NPS 1/2 through 3 (DN 15 through 80) sizes with end connections that will match up to Tri-Clamp® sanitary fittings. Type SR8 is suitable for use in steam, liquid or gas service.

(a) Valve body sizes DIN: DN15, DN20, DN25, DN40x25, DN40, DN50, DN80 mm.
Valve body sizes ANSI: NPS 0.25", 0.5", 0.75", 1", 1.5"x1", 1.5", 2", 3" inch.
(b) End connections: Tri-Clamp® sanitary fittings.
(c) Spring range: 0.14-8.6 barg (2-125 psig).
(d) Max inlet pressure: 14.5 barg (210 psig).
(e) Max temp: 204°C.
(f) Sanitary Design Standards. 
(g) Large Turndown Ratio.
(h) Highly Stable.
(i) Superior Flow Performance and Accuracy.
(j) Diaphragm Cycle Life.
(k) Wide Control Range.
(l) Tight Shutoff.
(m) Easy Maintenance.
(n) Covered Adjusting Screw.
(o) Self-Draining.
(p)Remote Setpoint Capability.
(q) Optional T-Handle Available.
(r) Clean in Place or Steam in Place.
(s) Nonporous Polished Body and Internals.
(t) Optional Diaphragm Support.


Magnus Dahlén
Joachim Nyqvist
Joakim Karlsson
Jukka Haikala
Kim Larsen
Erik Rune


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