Garlock 9800 Gaskets
Garlock 9800 Gaskets.
A carbon fibre gasket sheet with an SBR binder, rated to 343°C continuous and 138 bar for sealing water and saturated steam as well as inert gases.
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Material |
Carbon fibres with SBR binder, asbestos-free |
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Colour |
Grey/blue |
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Fluid services |
Water, saturated steam and inert gases |
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Temperature range |
-75°C to +343°C continuous, +482°C absolute maximum |
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Maximum pressure |
138 bar |
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P × T (max.) |
25,000 bar × °C (1/32″ and 1/16″) / 12,000 bar × °C (1/8″) |
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Compressibility (ASTM F36) |
8% average |
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Recovery (ASTM F36) |
55% |
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Creep relaxation (ASTM F38) |
15% |
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Tensile strength, across grain (ASTM D1708) |
12 N/mm² |
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Density (ASTM F1315) |
1.68 g/cm³ |
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Thermal conductivity (ASTM F433) |
0.50 to 0.60 W/m·K |
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Leakage, Fuel A (ASTM F37B) |
0.30 ml/hr at 3.5 N/mm² gasket load |
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Leakage, nitrogen (ASTM F37B) |
0.6 ml/hr at 20.7 N/mm² gasket load |
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Leakage, nitrogen (DIN 3535) |
0.015 cc/min at 32 N/mm² gasket load and 40 bar |
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Preferred assembly stress |
41 to 69 N/mm² |
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Specifications met |
Fire safe |
Every gasket is cut to order, from single prototypes through to full production runs. Send us your drawing or dimensions and we will come back with a quotation.
Why choose Garlock 9800 for high temperature and high pressure sealinge?
Multi-Swell 3760 is a synthetic fibre sheet with a proprietary rubber binder, developed for liquid service. It’s suited to water, aliphatic hydrocarbons, oils and gasoline, which makes it a practical choice for pipework, pumps and fuel handling equipment where a standard fibre sheet may not cope. The continuous maximum temperature is 205°C, the pressure limit is 34.5 bar, and the minimum temperature rating of -73°C is described on the sheet as conservative.
Its physical figures suggest a gasket that settles well and holds on. Compressibility averages 15% with 40% recovery, and a creep relaxation of 30% means it retains most of its bolt load once fitted. The material also meets ABS (American Bureau of Shipping) specifications, so it suits marine installations as well as general industrial work.
Sheet thickness affects the working limits. The maximum pressure × temperature rating is 5,100 bar × °C for 1/32″ and 1/16″ sheet and drops to 3,400 bar × °C for 1/8″ sheet, so the thinner grades give you more headroom at high pressure and temperature.
For further information on our services or to discuss your requirements, contact us today.
