Untitled Document

How To Order Spiral Wounds

 
NPS
Nominal Pipe Size		   PSI
ANSI Pressure		   Style

   Material
Winding and Filler Material		   Series/Thickness
Example on standard API 601: 3"150# XR 304ss/Natfite
Large Diameter: 36"150# XR 304ss/Natfite Series A
Winding only (SX): 2-1/8" x 3-1/8" SX 304ss/Natfite 1/8" thick
B16.47 Series B for API 605 Flanges | B16.47 Series B for MSS-SP44 Flanges
Thickness available on custom made gaskets: 1/8", 3/16" and 1/4"

Spiralwoud Style Code

SX: Winding Only
SXI: Winding with Inner Ring
XR: Winding with Guide Ring
XRI: Winding with Guide and Inner Ring
XR-LP: Low Pressure Winding with Guide Ring
HL: Winding with Loop Centering Guide
*XH: Winding Only
XMCR: Winding with Special (steel wound) Inner Ring

Metal Winding Materials

Stainless Steel
340ss
304L
316L
321ss
347ss
410ss
Alloy 20
Hastelloy B
Hastelloy C
Inconel 600
Inconel 625
Inconel 750
Monel 400
Nickel 200
Titanium
 

Non-metallic filler winding material

Natfite (Non-Asbestos)
Teflon
NS Teflon
Glass Filled Teflon
Ceramic
GTB Grafoil
GTA Grafoil

NGC Style XR and XRI Spiralwound gaskets are manufactured in accordance with all relevant gasket standards per flange designations of ASME/ANSI B16.5, B16.20, B16.47, (Series A and B API 605 and MSS-SP44)