Flanged Canted Coil Spring Seal

Flanged seals are a special class of radial seals with an added feature to help retain the seal under rotary forces. The flange is an extension of the heel of the seal, which locates in a counterbore of the housing. At assembly, the seal flange gets pinched in the housing providing a positive mechanical lock that keeps the seal stationary. Flanged seals are an excellent choice for equipment that can be designed with end plates. In these cases, assembly of a flanged seal is simple and provides a robust design as well as a level of redundant sealing on the static side of the gland. Process machinery that require a product to be contained (mixers, augers, spool valves) are good applications of this design.

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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

*Limited by O-Ring compound

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:

ECSF-R-234-LW-ET006-M-S

ECSF = Seal Series
R = Rod
234 = 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®

NON-STANDARD ORDERING EXAMPLE:

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

C

= Nominal Cross-Section



A = 1/16 in. (000 Series)

B = 3/32 in. (100 Series)

C = 1/8 in. (200 Series)

D = 3/16 in. (300 Series)

E = 1/4 in. (400 Series)

02953

= Bore Diameter in 1000ths

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

ECSF 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

See Eclipse Material Guide for complete list of available materials.

ECSF STANDARD SPRING MATERIALS

Eclipse Material Code Spring Material Application
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

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Engineers

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