35650-6616 by Garlock | GYLON® | Style 3565 | 0.250in Thick | 60in x 60in
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PRODUCT DESCRIPTION
Garlock Gaskets - GYLON® Style 3565 ENVELON® Gasketing**
| BENEFITS: | |||
|---|---|---|---|
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| MEDIA: | |||
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NOTES:
* Consult Garlock Applications Engineering when using flanges in pressure classes above 300 lbs.
** Patents #4,961,891; #4,900,629
† When sealing uneven flanges, gasket must be four times thicker than maximum gap between flanges.
Typical Physical Properties
| 3565 | ||
|---|---|---|
| Color | ENVELON® GYLON® | |
| Composition | PTFE with alumino silicate micro spheres | |
| Temperature1 | Minimum Continuous Max. |
-450°F (-268°C) 500°F (260°C) |
| Pressure1cont. max.1 | psig (bar) | 1,200 (83) |
|
P x T, max.1 1/32", 1/16" (0.8mm, 1.6mm) psig x °F 1/8" (bar x °C) (3.2mm) |
350,000(12,000)250,000(8,600) | |
|
Sealability ASTM Fuel A ml/hr (ASTM F37B)3 |
0.332 | |
| Gas Permeabilitycc/min (DIN 3535 Part 4)4 | <0.0152 | |
| Creep Relaxation(ASTM F38) % | 352 | |
| Compressibility Range(ASTM F36) % | 35-502 | |
| Recovery (ASTM F36) % | >352 | |
| Tensile Strength ps(ASTM D1708) (N/mm2) | 18002(13) | |
| Flammability | Will not support flame | |
| Bacterial Growth | Will not support | |
| Order Code (Part Number) |
Style | Thickness (in.) |
Width (in.) |
Length (in.) |
|---|---|---|---|---|
| 35650-6604 | 3565 | 0.063" | 60" | 60" |
| 35650-7704 | 3565 | 0.063" | 70" | 70" |
| 35650-6608 | 3565 | 0.125" | 60" | 60" |
| 35650-7708 | 3565 | 0.125" | 70" | 70" |
| 35650-6616 | 3565 | 0.250" | 60" | 60" |
NOTES:
1 Based on ANSI RF flanges at our preferred torque. When approaching maximum pressure, continuous operating temperature, minimum temperature or 50% of maximum PxT, consult Garlock Engineering.
2 For 3565, HP 3560 and HP 3561, 1/16" thickness only.
3 ASTM F37B Sealability
ASTM Fuel A (isooctane):
Gasket load = 500 psi (3.5 N/mm2), Int. pressure = 9.8 psig (0.7 bar)
Nitrogen:
Gasket load = 3,000 psi (20.7 N/mm2), Int. pressure = 30 psig (2 bar)
4 DIN 3535 Part 4 Gas Permeability, cc/min. (1/16" thick)
Nitrogen:
Gasket load = 4,640 psi (32 N/mm2), Int. pressure = 580 psig (40 bar)
This is a general guide and should not be the sole means of selecting or rejecting this material. ASTM test results in accordance with ASTM F-104; properties based on 1/32" (0.8mm) sheet thickness.
* Values do not constitute specification limits