Eclipse EHS - Helical Spring

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Eclipse Engineering, Inc. > Our Capabilities > Spring Energized Seals > Helical Spring Seal > Rod

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Standard Ordering example:
	EHS-R-234-LW-ET000-H-P

Non-Standard Ordering example:
	EHS-R-C-02953-LW-ET000-H-P

Lip Styles

(standard)

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

Eclipse Material Code	Spring Material	Application
P	17-7 PH Stainless Steel	General purpose, standard spring material
E	Elgiloy®	Improved performance and corrosion resistance; NACE approved
H	Hastelloy® C276	Maximum chemical/corrosion resistance

Gland tolerances
SEAL ID	ØA	ØB
0.125 to 0.374	+0.000 -0.001	+0.001 -0.000
0.375 to 2.999	+0.000 -0.002	+0.002 -0.000
3.000 to 7.999	+0.000 -0.003	+0.003 -0.000
8.000 and up	+0.000 -0.004	+0.004 -0.000

000 Series Maximum Extrusion Gap (E), at 70° F
300 psi	1500 psi	3000 psi	6000 psi
0.008	0.004	0.003	0.002

Gland tolerances
SEAL ID	ØA	ØB
0.125 to 0.374	+0.000 -0.001	+0.001 -0.000
0.375 to 2.999	+0.000 -0.002	+0.002 -0.000
3.000 to 7.999	+0.000 -0.003	+0.003 -0.000
8.000 and up	+0.000 -0.004	+0.004 -0.000

100 Series Maximum Extrusion Gap (E), at 70° F
300 psi	1500 psi	3000 psi	6000 psi
0.010	0.006	0.004	0.003

Gland tolerances
SEAL ID	ØA	ØB
0.125 to 0.374	+0.000 -0.001	+0.001 -0.000
0.375 to 2.999	+0.000 -0.002	+0.002 -0.000
3.000 to 7.999	+0.000 -0.003	+0.003 -0.000
8.000 and up	+0.000 -0.004	+0.004 -0.000

200 Series Maximum Extrusion Gap (E), at 70° F
300 psi	1500 psi	3000 psi	6000 psi
0.014	0.008	0.006	0.003

Gland tolerances
SEAL ID	ØA	ØB
0.125 to 0.374	+0.000 -0.001	+0.001 -0.000
0.375 to 2.999	+0.000 -0.002	+0.002 -0.000
3.000 to 7.999	+0.000 -0.003	+0.003 -0.000
8.000 and up	+0.000 -0.004	+0.004 -0.000

300 Series Maximum Extrusion Gap (E), at 70° F
300 psi	1500 psi	3000 psi	6000 psi
0.020	0.010	0.008	0.004

Gland tolerances
SEAL ID	ØA	ØB
0.125 to 0.374	+0.000 -0.001	+0.001 -0.000
0.375 to 2.999	+0.000 -0.002	+0.002 -0.000
3.000 to 7.999	+0.000 -0.003	+0.003 -0.000
8.000 and up	+0.000 -0.004	+0.004 -0.000

400 Series Maximum Extrusion Gap (E), at 70° F
300 psi	1500 psi	3000 psi	6000 psi
0.024	0.012	0.010	0.005

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