Single Coil Spring Seals

Single coil Spring  Seal is a single coil spring with a conical unidirectional design.  Single coil Spring  Seal have a self driving spring.It is available in different face material with other combination according to the application.These Seal are Suitable
for wide range of sealing application like General & Light Chemicals,Corrosive,Volatile,Abrasive and Hydrocarbons.It is in unidirectional design
for service in Chemical Process,Fertilizer,Oil
Refineries,Solvent,Pharmaceutical,Thermal Power plant,Paper & Pulp
Industries, agricultural, industrial.They are also ideally suitable for
all pumps.It
is easier in fitting the conical helical spring should be pushed on the
shaft with a twisting motion in the sense of the spring winding and
easy fitment.Operation Limits



Seal Type
Size RangeTemp.
Press
S. Speed


LST3
12 mm to 150 mm-50oC to 260oC
10 Bar
3500 RPM


LST7
12 mm to 150 mm-50oC to 260oC
40 Bar
3500 RPM  Standard Materials of Construction :


secondary sealings
Viton ,Aflas,Karlez,E.P.D.M,PTFE,TTV,Nitrile,silicon and Encapsulated 'O' Rings



Primary Seal Faces
Carbon ,Tungsten Carbide,Silicon Carbide,Ceramic,Aluminium oxide coating, Stelite and chrome oxide coatings.


Hardwares
SS
304,SS 316,Hastalloy "B",Hastalloy "C",Monet,Alloy 20,Titanium. (other
material combination available against specific customer requirements)