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OmniSeal® Product Selection Guide0 pages
Seal Selection Guide
Application Service Ratings
OmniSeal
Design
Profiles
Seal Selection Guide
Seal
Designs
Temp Range
o
o
F
C
o
Rod/Shaft
Piston
Face
+600
To
o
-85
Rod/Shaft
Piston
Face
+600
To
o
-85
o
+600
To
o
-85
o
Pressure
Capability
(psi) Max
Poor
Static
Fair
Good
Excellent
Reciprocating
3,000
G
E
*Optional
G
304 SS
*301 SS
*316 SS
*Elgiloy
*Hastelloy C276
Rod Seals
.185 - 60+
Piston Seals
.297 - 60+
G
304 SS
*301 SS
*316 SS
*Elgiloy
*Hastelloy C276
Rod Seals
.185 - 60+
Piston Seals
.297 - 60+
F
304 SS
*301 SS
*316 SS
*Elgiloy
*Hastelloy C276
Rod Seals
.185 - 60+
Piston Seals
.297 - 60+
E
304 SS
*301 SS
*316 SS
*Elgiloy
*Hastelloy C276
Rod Seals
.185 - 60+
Piston Seals
.297 - 60+
P
17-7 PH SS
*304 SS
*316 SS
*Elgiloy
*Hastelloy C276
Rod Seals
.076 - 60+
Piston Seals
.190 - 60+
301 SS
*316 SS
Rod Seals
.108 - .873
Piston Seals
.221 - 1.116
302 SS
*316 SS
*Hastelloy C276
Rod Seals
.032 - 16.000
Piston Seals
.094 - 16.000
301 SS
*302 SS
*304 SS
*316 SS
Rod Seals
.250 - 60
Piston Seals
.427 - 60
Series 400A
+316
To
o
-65
o
6,000
G
E
Series 400A Extended
Rod/Shaft
Piston
o
+316
To
o
-65
10,000
(Specials up to
50,000 psi)
G
E
Series 400A w/Back-Up
o
Rod/Shaft
Piston
o
+575
To
o
-320
+301
To
o
-196
o
o
3,000
G
E
Diameters
Min-Max
(inches)
Rotary
o
+316
To
o
-65
Spring
Materials
Standard
Cross
Sections
(inch nom)
1/16 to 1/4**
1/16 to 1/4 **
1/16 to 1/4**
1/16 to 1/4**
Standard
Gland Sizes
Friction
Rating
Industrial
Military
AS-4716
Low
Moderate
General purpose design for most applications.
Best suited for dynamic rod and piston seals
when pressure is under 3000 psi. Scraper designs can be
used as wiper seals or in abrasive medias. Silicone filled
spring cavities are available for food process and clean
in place applications.
Industrial
Military
AS-4716
Low
Moderate
Best suited for dynamic rod and piston seals
when pressure is under 6000 psi/or when hardware
extrusion gaps combined with high temperature
are present. The extra material helps prevent seal failure
by filling in the extrusion gap similar to a back up ring.
15
Low
Moderate
Best suited for dynamic rod and piston seals
when pressure exceeds 6000 psi and excessive
hardware extrusion gaps with high temperatures
are present. A high modulus material like Fluoroloy A22
is recommended for the back up ring to reduce the gap
and prevent seal extrusion.
15 & 21
Low
Moderate
Designed for rotary shaft applications at less than
500 SFPM. The flange is an anti-rotation device when
locked into the mating hardware. Also used as a
cryogenic seal in applications such as quick
disconnect couplings used in liquid oxygen and nitrogen.
The flange prevents shrinkage.
15
16
Industrial
Military
AS-4716
Industrial
Military
Series 400A Flanged
Rod/Shaft
Piston
Face
Flanged
+575
To
o
-320
+301
To
o
-196
Standard = 3,000
Flanged = 3,000
Extended = 6,000
Back-Up = 10,000
Rod/Shaft
Piston
Flanged
+550
To
o
-65
o
+288
To
o
-54
o
Standard = 3,000
Flanged = 3,000
Extended = 6,000
Back-Up = 10,000
Rod/Shaft
Piston
Face
Flanged
+475
To
o
-65
Rod/Shaft
Piston
Flanged
+600
To
o
-65
E
F
Series 103A
F
G
G
o
+246
To
o
-54
Standard = 3,000
Flanged = 3,000
Extended = 6,000
Back-Up = 10,000
F
E
E
1/16 to 1/2**
Industrial
Military
AS-4716
Moderate
High
1/16 to 1/8
-005 to -212
Industrial
Military
AS-4716
Low
Moderate
Similar in design to the 400A listed above and intended
for high volume, less critical applications. Available
in fixed cross section sizes for diameters less than 1".
Only available with 301 or 316 stainless steel springs.
Custom sizes are available with a nominal set up cost.
17
Low
Moderate
The near constant spring force Advanced Pitch Spring
design is best suited for applications where consistent
friction is important. Best when used for small diameters
in rotary and reciprocating rod and piston applications
at temps under 475o F (246o C) Optional spring loads
available.
18
Moderate
Flexible overlapped spring designed for use in static
slow dynamic applications when excessive hardware
tolerances exist. Spring design affords maximum spring
deflection. Recommended for use in viscous applications,
such as injection molding and liquid filling equipment.
19
High
High load spring designed for static internal and external
pressure face seal applications. Excellent sealing in
light gasses, vacuum and cryogenics. Also used in slow
dynamic face seal applications such as swivels joints
and marine loading arms.
20
1/16 to 1/4
(1/32"available)
Industrial
Military
AS-4716
APS Series
o
+316
To
o
-54
o
Standard = 3,000
Flanged = 3,000
Extended = 6,000
Back-Up = 10,000
G
E
F
3/32 to 1/4**
Industrial
Military
AS-4716
RP II Series
o
Face
+550
To
o
-425
o
+288
To
o
-254
Standard = 3,000
Extended = 6,000
Back-Up = 10,000
E
P
F
301 SS
*Inconel 718
.750 - 60+
15
Generally used for static applications when positive
sealing is most critical. Best suited for use in sealing
light gases and vacuum. Can be used in slow
dynamic situations when friction is less of a concern.
Also used as a cryogenic seal in applications such as quick
disconnect couplings used in liquid oxygen and nitrogen.
Spring Ring II
o
Page
Locator
Recommended Applications
3/32 to 1/4**
(Specials1/4**
3/32 to up to
1" available)
Industrial
RACO® 1100 Series
**
*Consult factory
12
800.544.0080
**Special cross-sections seals up to 1” are available
www.omniseal.com
13
"
