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Spiral Wound Gaskets
MGP Spiral Gaskets are manufactured in following types:
Type MGPP
spiral-1
Spiral Without Inner And Outer Ring Suitable For Groove Flanges.
Type MGPR
spiral-2
Spiral With Only Outer Ring Used As Centering Device And Compression Stop - General Applications.
Type MGPIR
sprial-3
Spiral With Only Inner Ring Used As A High Pressure Temperature Capability - For Groove Flanges And General Applications.
Type MGPCRIR
spiral-4
Spiral With Inner And Outer Ring Of Solid Metal For High Pressure And Temperature Applications. Prevents Damage to The Gaskets Bore And Inner Windings - Acts As A Heat And Corrosion Barrier - Application As General And Critical Duties.
Type MGPIJ
spiral
Spiral With Inner Or Outer Or With Partition Ribs Acts As A Pass Bars. Manufactured To Customer Design.

The material of construction of Spiral Wound Gaskets are as per annexure
Filler Material Recommended Maximum Temperature ASME B16.20 Color Coding
     
Graphite 550°c Grey Stripe
PTFE 260°c White Stripe
Non Asbestos/CAF 350°c White/Pink Stripe
Ceramic 650°c  
     
Winding Material Recommended Maximum Temperature ASME B16.20 Color Coding
304 Stainless Steel 650°c Yellow
304L Stainless Steel 650°c Yellow with Red Strip
316/316L Stainless Steel 650°c Green
316Ti Stainless Steel 650°c Light Blue
347 Stainless Steel 650°c Blue
321 Stainless Steel 650°c Turquoise Blue
Monel 400 600°c Orange
Nickel 200 600°c Red
Titanium 350°c Purple
Hastelloy B-2   450°c Brown
Hastelloy C-276 450°c Belge
Inconel 600 950°c Gold
Inconel 625 450°c Gold
Inconel X-750 1000°c Light Grey
Incoloy 825
450°c White
 
 

 

Spiral Wound Gaskets


 

Spiral Wound



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