GASKETS



GYLON® Style Comparison Matrix


Styles: 3500 3504 3510 3530 3540 3545 HP 3560 HP 3561 3565 3522
Diaphragm
Material
Color: Fawn, black brand Blue, black brand Off-white, black brand Black White, black brand White, black brand Fawn, black brand Off-white, black brand White/blue, black brand Translucent
Composition: PTFE w/ silica PTFE w/ glass microspheres PTFE w/ barium sulfate PTFE w/ graphite Microcellular PTFE Microcellular PTFE GYLON® w/ perforated 316L stainless steel insert GYLON® w/ perforated 316L stainless steel insert PTFE w/ glass microspheres PTFE
Temperature:
Maximum continuous

Minimum
+500ºF
(+260ºC)
+500ºF
(+260ºC)
+500ºF
(+260ºC)
+500ºF
(+260ºC)
+500ºF
(+260ºC)
+500ºF
(+260ºC)
+500ºF
(+260ºC)
+500ºF
(+260ºC)
+500ºF
(+260ºC)
+500ºF
(+260ºC)
-350ºF
(-210ºC)
-350ºF
(-210ºC)
-350ºF
(-210ºC)
-350ºF
(-210ºC)
-350ºF
(-210ºC)
-350ºF
(-210ºC)
-350ºF
(-210ºC)
-350ºF
(-210ºC)
-350ºF
(-210ºC)
-350ºF
(-210ºC)
Pressure, maximum continuous:
psig
(bar)
1200
(83)
800
(55)
1200
(83)
1200
(83)
1200
(83)
1200
(83)
2500
(172)
2500
(172)
1200
(83)
N/A
P x T, max:
      psi x ºF - 1/32" and 1/16"
      (bar x ºC - 0.8 mm and 1.6 mm)
      psi x ºF - 1/8"
      (bar x ºC - 3.2 mm)
350,000
(12,000)
250,000
(8,600)
350,000
(12,000)
250,000
(8,600)
350,000
(12,000)
250,000
(8,600)
350,000
(12,000)
250,000
(8,600)
350,000††
(12,000)
250,000
(8,600)
350,000††
(12,000)
250,000
(8,600)
700,000††
(25,000)
450,000
(15,000)
700,000††
(25,000)
450,000
(15,000)
350,000
(12,000)
250,000
(8,600)
N/A
M & Y Factors:
                                  1/16" - M (Y)
                                    1/8" - M (Y)
                                  3/16" - M (Y)
                                    1/4" - M (Y)
5.0 (2750 psi)
5.0 (3500 psi)
---
---
3.0 (1650 psi)
2.5 (3000 psi)
2.5 (3000 psi)
2.5 (3000 psi)
2.0 (2350 psi)
2.0 (2500 psi)
---
---
2.8 (1650 psi)
---
---
---
3.0 (1700 psi)
3.0 (2200 psi)
2.0 (2200 psi)
2.0 (2500 psi)
2.6 (1500 psi)
2.0 (2200 psi)
2.0 (2200 psi)
7.0 (3700 psi)
5.0 (3500 psi)
5.0 (4000 psi)
---
---
5.0 (3500 psi)
5.0 (4000 psi)
---
---
2.8 (1400 psi)
3.7 (2300 psi)
5.5 (2800 psi)
6.0 (2800 psi)
N/A
Sealability (ASTM F37B)*:
                      ASTM Fuel A - ml/h
0.22 0.12 0.04 0.02 0.25†† 0.15†† 0.02 0.01 0.33  
Creep Relaxation, %:
(ASTM F38)
18 40 11 29 10†† 15†† 20 20 35 35
Compressibility Range, %:
(ASTM F36)
7-12 25-45 4-10 7-17 70-85†† 60-70†† 4-9 3-7 35-50 20-25
Recovery, Minimum %:
(ASTM F36)
40 30 40 40 8†† 15†† 45 50 35 50
Tensile Strength
(ASTM D1708)                          psi
                                            (N/mm2)
2000
(14)
2000
(14)
2000
(14)
3000
(21)
---- ---- 5000
(34)
5000
(34)
1800
(13)
X:5000   Y:5100
  (34)        (36)
Gas Permeability:
(DIN 3535 Part 4)**
                                            cc/min
<0.015 <0.015 <0.015 <0.015 <0.015†† <0.015†† <0.015 <0.015 <0.015 * * *
Flammability:
Will not burn Will not burn Will not burn Will not burn Will not burn Will not burn Will not burn Will not burn Will not burn Will not burn
Bacterial Growth:
Will not support Will not support Will not support Will not support Will not support Will not support Will not support Will not support Will not support Will not support

NOTES:

  1. 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 0.8 mm (1/32") sheet thickness, except style 3565, based on 1/16" (1.6mm).

When approaching maximum temperature, consult Garlock Applications Engineering.
††1/16" thickness only.
* ASTM F37B Sealability, milliliters/hr. (1/32" thick)
ASTM Fuel A (isooctane):
   Gasket load = 1000 psi (7 N/mm2),
   Internal pressure = 9.8 psig (0.7 bar)
** DIN 3535 Part 4. Gas Permeability, cc/min. (1/16" thick)
Nitrogen:
   Gasket load = 4640 psi (32 N/mm2),
   Internal pressure = 580 psig (40 bar)
*** ASTM D1434V: 10,000 cc/M2/24 hrs.


GYLON® Callouts
GYLON® Style1 ASTM Line Callout Fourth Numeral 9: % increase in IRM Oil #903 Fifth Numeral 9: % increase in IRM Oil #903 Sixth Numeral 9: % increase in Water A9: Leakage in Fuel A (Isooctane)2 E99: % Increase in ASTM Fuel B
3500 F451999A9B1E99K6M6 Thickness: 1.0% max. Weight: 2.0% max. Weight: 1.0% max. Typical: 0.22 ml/hr
Max: 1.0 ml/hr
Weight: 2.0% max.
Thickness: 1.0% max.
3504 F456999A9B7E99K3M6 Thickness: 1.0% max. Weight: 2.0% max. Weight: 1.0% max. Typical: 0.12 ml/hr
Max: 1.0 ml/hr
Weight: 2.0% max.
Thickness: 1.0% max.
3510 F451999A9B2E99K5M6 Thickness: 1.0% max. Weight: 2.0% max. Weight: 1.0% max. Typical: 0.04 ml/hr
Max: 1.0 ml/hr
Weight: 2.0% max.
Thickness: 1.0% max.
35403 F419000A9B2 ---- ---- ---- Typical: 0.25 ml/hr
Max: 1.0 ml/hr
----
35453 F419000A9B3 ---- ---- ---- Typical: 0.15 ml/hr
Max: 1.0 ml/hr
----
HP 35604 F451999A9B1E99K6M6 Thickness: 1.0% max. Weight: 2.0% max. Weight: 1.0% max. Typical: 0.22 ml/hr
Max: 1.0 ml/hr
Weight: 2.0% max.
Thickness: 1.0% max.
HP 35614 F451999A9B2E99K5M6 Thickness: 1.0% max. Weight: 2.0% max. Weight: 1.0% max. Typical: 0.04 ml/hr
Max: 1.0 ml/hr
Weight: 2.0% max.
Thickness: 1.0% max.
3565 F457999A9B6E99M6 Thickness: 1.0% max. Weight: 2.0% max. Weight: 1.0% max. Typical: 0.33 ml/hr
Max: 1.0 ml/hr
Weight: 2.0% max.
Thickness: 1.0% max.

  1. For Styles 3500 through 3545, thickness is 1/32"; for Styles 3560 - 3565, thickness is 1/16".
  2. Gasket load = 1,000 psi (7 N/mm2); internal pressure = 9.8 psig (0.7 bar)
  3. Third numeral 9: F36 Compressibility 3540: 70-85%, 3545: 60-70%.
  4. Line callout = OFMF9: 9 = perforated stainless steel, F= F451999A9B1E99K6M6 (HP 3560); F= F451999A9B2E99K5M6 (HP 3561)


Media

  • GYLON® 3500: Strong acids (except hydrofluoric), solvents, hydrocarbons, water, steam, chlorine
  • GYLON® 3504: Moderate concentrations of acids and some caustics, hydrocarbons, solvents, water, refrigerants, cryogenics, hydrogen peroxide
  • GYLON® 3510: Strong caustics, moderate acids, chlorine, gases, water, steam, hydrocarbons, hydrogen and aluminum fluoride
  • GYLON® 3530: Monomer service, highly concentrated hydrofluoric acid, volatile hazardous air pollutants (VHAP)
  • GYLON® 3540: Strong caustics, strong acids, hydrocarbons, chlorine, glass-lined equipment
  • GYLON® 3545: Strong caustics, strong acids, hydrocarbons, chlorine, glass-lined equipment, plastic piping, low bolt load applications
  • HP3560: Strong acids (except hydrofluoric), solvents, hydrocarbons, water, steam, chlorine
  • HP3561: Strong caustics, moderate acids, chlorine, gases, water, steam, hydrocarbons, hydrogen and aluminum fluoride
  • 3565 ENVELON®: Moderate concentrations of acids and caustics, hydrocarbons, solvents, glass-lined equipment
  • STRESS-SAVER®: Acids, caustics, gases, water, hydrocarbons. EPDM only - water, very mild acids and caustics

GYLON is a registered trademark of Garlock® Inc.



WARNING:
Properties applications shown here are typical. Your specific application should not be undertaken without independent study and evaluation for suitability. For specific application recommendations consult Garlock. Failure to select the proper sealing products could result in property damage and/or serious personal injury.

This performance data has been developed from field testing, customer field reports and/or in-house testing. While the utmost care has been used in compiling this information, we assume no responsibility for errors. Specifications subject to change without notice. This edition cancels all previous issues. Subject to change without notice.



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