Spring-Lock Elbow
Increase the life of your existing Kadant Johnson syphon elbow by upgrading to the Spring-Lock Syphon Elbow. This simple, inexpensive upgrade installs quickly and easily using your existing joint and syphon pipes. The corrosion-resistant materials and increased robustness of the syphon elbow assembly improves syphon performance and reduces maintenance downtime.
The spring-lock elbows are available off-the-shelf for immediate delivery.
Application Information
| Elbow Size |
Quick Ship Number |
Symbol Number |
Collar Diameter |
Minimum Jornal I.D. |
| 1/2" NPT |
20A00370 |
SJ537-16 |
1.88" |
1.90" |
| 3/4" NPT |
20A00465 |
SJ637-13 |
2.28" |
2.30" |
Spring-Lock Design
Kadant Johnson spring-locking elbows consist of the standard gravity-lockelbow and a spring-lock assembly. The spring-lock assembly consists of five parts:
(2) Pipe collars, stainless steel (identical parts)
(2) Collar straps (identical parts)
(1) Locking spring, stainless steel
Features of the Kadant Johnson spring-lock system:
- The collars and spring are stainless steel, to avoid corrosion.
- The spring-lock assembly can be assembled without any tools.
- The pivot pins in the collars cannot loosen and fall out.
- The straps are contoured to guide the elbow into the open position for easier removal.
- The spring is located on the radial syphon pipe, to minimize the extension into the dryer.

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