scaricapdfTech Infoschedeprodotto

Introduction to Gasket Product

Diflon offers to its customers an efficient range of services including gasket cutting, a large inventory of standard flat gaskets (see the tables of dimensions 5/6) as well as special gaskets manufactured on customer’s specifications; see some examples in table 7. In addition, Diflon offers the following sheet materials in the standard trade format 1,500 x 1,500 mm in the thicknesses of 1, 2 and 3 mm. All these materials are of exceptional quality.


The DIFLON TECHNOLOGY offers to its customers accurate design services. Recommending the best product to meet any demand.

Material-selection guidelines for plastic flat gaskets

Photo Name Class Material Service Working Pressure Working temperature Docs

Diflex ® Universal Gasket

85 Diflex Highly corrosive fluids (hydrofluoric acid, chlorinated petrochemicals). = 60 bar. -160° C
+260° C

Ocean Expanded fibrous ptfe for Gaskets

/ PTFE Espanso / / /

Aramid fibres

90 asbestos free Non-aromatic solvents, oil products, medium acid and alkalis, service fluids (except for steam and dowtherm). = 20 bar. -50° C
+ 200° C

Aramid fibres

93 asbestos free
+ carbon
Gaseous hydrocarbons, saturated steam. = 20 bar. -30° C
+ 200° C

Aramid fibres

94 asbestos free
+ graphite
For saturated and super heated steam (dowtherm excluded). = 20 bar. 280° C

Expanded graphite with grater-type core

96 graphite Oil products at temperatures higher than 200°C. = 40 bar. 450° C


5 antiacid rubber Acid and bases, applicable to ebonized, plastic, polyester and vitrified pipings. = 10 bar. 70° C

Plastic flat ring gaskets

12 Vx1 Highly corrosive fluids, strong acid (e.g. sulphuric acid, nitric acid 67%). = 20 bar. 180° C

Plastic flat ring gaskets

12 PTFE metal renforced Highly corrosive fluids, strong acid (e.g. sulphuric acid, nitric acid 67%). = 20 bar. 180° C

PTFE envelope gaskets with insert

95 asbestos free + PTFE Highly corrosive fluids, strong acid (e.g. sulphuric acid, nitric acid 67%). = 16 bar. 200 ° C

Spiral-wound gaskets

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Gaskets Sheets

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