Cased Spring Seal Canted Coil

Cased Spring Seals are the best option for extreme rotary service. In these designs, a metal case is constructed around the outside of a spring seal, which in turn gets press-fit into the hardware bore. A metal-to-metal press-fit ensures a tight seal as well as a highly effective anti-rotation mechanism. Because these seals are installed into open bores, they lend themselves to rotary applications such as gearboxes and power transmission systems. They can also be utilized as rod end scrapers, where exclusion of aggressive media is desired.

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Typical Range of Application

Pressure

Vacuum to 3,000 psi

[0 to 200 bar]

Temperature*

-320°F to 450°F

[-195°C to 230°C]

Ratings will vary based on materials and operating conditions

Values and ratings in this catalog are based on industry standard applications operating under ideal conditions. The customer should assume responsiblity for validation testing of performance and suitabilty of Eclipse Engineering products. Eclipse Engineering accepts no liabilty for the accuracy and applicabilty of provided information.

STANDARD ORDERING EXAMPLE:

ECSC-R-548-LW-ET006-M-S-S

ECSC = Seal Series
R = Rod
548 = Dash Number
LW = Lip Style
ET006 = Seal Material Code
M = Spring Load L – Light M – Medium H – Heavy
S = Spring Material S – Stainless Steel E – Elgiloy® H – Hastelloy®
S = Case Material S – Stainless Steel A – Aluminum

NON-STANDARD ORDERING EXAMPLE:

ECSC-R-C-02953-LW-ET006-M-S-S

C

= Nominal Cross-Section


A = 1/4 in. (400 Series)

B = 5/16 in. (500 Series)

C = 3/8 in. (600 Series)

D = 7/16 in. (700 Series)

E = 1/2 in. (800 Series)

02953

= Rod Diameter in 1000ths


Example: 02953 = Ø2.953 [75MM] Rod Diameter

ECSC STANDARD SEAL MATERIALS

ECLIPSE MATERIAL CODE DESCRIPTION COLOR APPLICATIONS
ET000 Virgin PTFE White Light Duty / Static / Cryogenics
ET006 Carbon filled PTFE Black General Purpose
EU000 Virgin UHMWPE Translucent White Viscous Media / Water
ET014 Polyimide filled PTFE Orange/Brown High Sealabilty / Soft Hardware

ECSC STANDARD SPRING MATERIALS

ECLIPSE MATERIAL CODE SPRING MATERIAL APPLICATIONS
S 300 Series Stainless Steel General purpose, standard spring material
E Elgiloy® Improved performance and corrosion resistance; NACE approved
H Hastelloy® C276 Maximum chemical/corrosion resistance

See Eclipse Material Guide for complete list of available materials.

400 SERIES STANDARD DASH NUMBERS

Gland tolerances
SEAL ID ØA ØB
0.125 to 0.374 +0.000
-0.001
± 0.001
0.375 to 2.999 +0.000
-0.002
± 0.001
3.000 to 5.999 +0.000
-0.003
± 0.0015
6.000 and up +0.000
-0.004
± 0.002
400 Series Maximum Extrusion Gap (E), at 70° F
300 psi 1500 psi 3000 psi
0.010 0.006 0.004

Consult Eclipse Engineering for all custom or unlisted sizes.

"We started Eclipse with the premise that if we could solve enough of our customers problems they would continue to come back to us for solutions regardless of the type of products we offered."

Engineers

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