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Appropriate and effective syphon selection

If there were only one kind of rotating cylinder and only one set of operating conditions, choosing the right syphon system would be a simple matter. But that’s not the case. In order to end up with the most effective syphon system, a great deal of care must be taken to ensure an efficient and reliable syphon system is selected. Operating conditions such as machine speed, steam pressure, condensing loads, blow-through steam, and other parameters all have an effect on syphon selection.

Syphon/ElbowTypeSpeed
- 150mpm150 - 299mpm300 - 749mpm 750 - 1200mpm1200mpm -
- 30RPM30 - 59RPM60 - 159RPM160 - 250RPM 250RPM -
Cantilever SyphonsStationaryRecommended Recommended Recommended Recommended Recommended
Syphon Support SystemStationaryRecommended Recommended Acceptable Not Recommended Not Recommended
Pivot Body™ SyphonStationaryRecommendedNot Recommended Not Recommended Not Recommended Not Recommended
Locking ElbowStationary Recommended Recommended Acceptable Not Recommended Not Recommended
Spring-Lock ElbowStationary Recommended Not Recommended Not Recommended Not Recommended Not Recommended
Bent SyphonStationary Recommended Recommended Acceptable Not Recommended Not Recommended
Rotary SypohnRotary Acceptable Recommended Recommended Acceptable Not Recommended
Rotary Scoop SyphonRotary Recommended Acceptable Not Recommended Not Recommended Not Recommended
RecommendedRecommended AcceptableAcceptable
Not RecommendedNot Recommended

Stationary Syphons

Stationary syphons are fixed in place and do not rotate with the cylinder. Because stationary syphons do not rotate, they are not subject to centrifugal forces and operating differential pressure requirements do not increase with rotational speed. Stationary syphons are available for slow, medium, and high speed applications.

Rotary Syphons

Rotary syphons are fixed to the inside of the cylinder and rotate with the cylinder. Because the rotary syphon moves with the rotating cylinder, it can be placed closer to the cylinder shell thereby reducing the level of condensate inside the cylinder. Rotating syphons are available for slow, medium, and high speed applications.

The Nippon Joint, Ltd.
55 Kitaura, Ichida, Kumiyama-cho, Kuse-gun, Kyoto Phone+81-774-23-3211 Fax+81-774-24-0655