metal twisted gasket



   


Metal Twisted Gasket Type:


Type

Thickness(mm)

General Twisted GasketG2121

3.2

4.5

Twisted Gasket with Inner RingG2122

 

4.5

Twisted Gasket with Outer RingG2123

 

4.5

Twisted Gasket with Inner and Outer RingG2124

 

4.5

Metal Twisted Gasket Structural Material:


Filler  Material

Steel Belt

Inner Ring

Outer Ring

 

SUS 304

Carbon Steel

Carbon Steel

 

SUS 316

SUS 304

 

PTFE Twisted

SUS 316L

SUS 316

 

 

 

 

 

Filler  Material

Temperature(°C)

Max Operating Pressure(kg/cm2)

Twisted

-200~550

250

Twisted

-150~450

100

PTFE Twisted>

240~260

100

Table Following Used for Inner Ring and Metal Twisted Material Choice:


Commodity Name

AISI

Hardness(HB/HV)

Temperature(°C)

Stainless Steel 304

304

130~180

-250~+550

Stainless Steel 316

316

130~180

-100~+550

Stainless Steel 316L

316L

130~190

-100~+550

Outer ring is composed of carbon steel through corrosion prevention
Flange Type and Twisted Gasket Form:


Flange Type

Twisted Gasket Shape

Plane Flange

Only Outer RinTwisted Gasket

Only Inner Ring Twisted Gasket

Convexity Flange

Only Outer Ring Twisted Gasket

Only Inner and outer Ring Twisted Gasket

Concavo-Convex Flange

General Twisted Gasket

Only Inner Ring Twisted Gasket

Groove Flange

General Twisted Gasket

Only Inner Ring Twisted Gasket

Plane and Socket Flange

General Twisted Gasket

Only Inner Ring Twisted Gasket

Twisted Gasket Thickness Tolerance:


Item

Thickness(mm)

Tolerance(mm)

Gasket Thickness

4.5, 3.2

+0.2
-0.1

Ring Thickness

3.0

±0.24

Metal Twisted Gasket Main Technical Parameter


Twisted Gasket Coefficient

m=2.5-4

Twisted Gasket Application Pressure

≤25MPa

Twisted Gasket Working Temperature

-196-700(Oxidizing Medium No higher than600)

Twisted Gasket Min Preloaded Specific Pressure

y=68MPa