Dimensions of Spiral Wound Gaskets ASME B16.20 used with Raised Face flanges ASME B16.47 series B

Metal Industries is one of the oldest manufacturers,dealer,distributor,stockist & suppliers of Steel Flanges, which are manufactured using superior grade of steel like Stainless Steel 304,304L,310,310S,316,316L,317L. These Flanges are most durable and manufactures to fit in different size of Pipes. Engineers & World's Best Project Consultants use these stainless steel Flanges in Machined Components, Metal Industries manufacturing Steel Flanges & supplying to Government sector companies since 2 decades,we are approved vendor of Steel Flanges in top notch government sector companies like ONGC, Indian Oil,NTPC,BHEL,ONGC,HPCL BPCL etc.we are also Saudi Aramco approved supplier of Steel Flanges, we have supplied Stainless Steel Flanges to companies involved in Equipment Manufacturing, Mining, Oil Refineries, Chemical manufacturing, Steel and Aluminum Manufacturing, Utilities and Transportation, and Industrial Construction We Also Supply & Maintain huge stock of Other Grades of Steel Flanges like ALLOY STEEL FLANGES, A182 F1 / F5 / F9 / F11 / F22 / F91 FLANGES, Nickel Alloy 200 Flanges,Nickel Alloy 201 Flanges,Duplex Steel UNS S31803 Flanges,Duplex Steel UNS S32205 Flanges,Carbon Steel Flanges, COPPER NICKEL FLANGES, INCONEL FLANGES, HASTELLOY FLANGES, MONEL FLANGES, ALLOY 20 FLANGES.

we at Metal Industries well known for guaranteed fast delivery of the Stainless Steel Flanges in the India & Gulf countries. The main reason being we have an excellent warehousing and storage facilities for both finished and semi finished goods in the heart of Financial capital of India (Mumbai)

Metal Industries also emphasis on the packaging . The Steel Flanges are packed in wooden corrugated boxes foiled in bubble wraps.

Gaskets Price : US $0.1-100 per Piece
Dimensions & Tolerances :
Gaskets general Flange Gaskets general Spiral Wound Gaskets dimensions - B16.5 Class 150 - NPS 1/2-24 Class 300 - NPS 1/2-24 Class 400 - NPS 1/2-24 Class 600 - NPS 1/2-24 Class 900 - NPS 1/2-24 Class 1500 - NPS 1/2-24 Class 2500 - NPS 1/2-12 Spiral Wound Gaskets dimensions Flanges DIN EN 1092-1 RTJ type R gasket dimensions and tolerances Class 150-2500 - NPS 1/2-36 Non-Metallic Gaskets dimensions - B16.47 Series A Class 150-600 - NPS 26-60 Non-Metallic Gaskets dimensions - B16.47 Series B Class 150-600 - NPS 26-60	Non-Metallic Gasket dimensions Class 150-900 - NPS 1/2-24 Grooved Gasket (Camprofile) dimensions Class 150-2500 - NPS 1/2-24 Metal-Jacketed Gasket dimensions Class 150-2500 - NPS 1/2-24 Spiral Wound Gaskets dimensions - B16.47 Series A Class 150 - NPS 26-60 Class 300 - NPS 26-60 Class 400 - NPS 26-60 Class 600 - NPS 26-60 Class 900 - NPS 26-60 Spiral Wound Gaskets dimensions - B16.47 Series B Class 150 - NPS 26-60 Class 300 - NPS 26-60 Class 400 - NPS 26-60 Class 600 - NPS 26-60 Class 900 - NPS 26-48

 

 

Dimensions of Spiral Wound Gaskets ASME B16.20 used with Raised Face flanges ASME B16.47 series B

Class  400  NPS 26-60
NPS	Inner Ring	Sealing Element		Outer Ring
	Inside (d1) Diameter	Inside (d2) Diameter	Outside (d3) Diameter	Outside (d4) Diameter
26	654.1	666.8	698.5	746.3
28	701.8	714.5	749.3	800.1
30	752.6	765.3	806.5	857.3
32	800.1	812.8	860.6	911.4
34	850.9	866.9	911.4	962.2
36	898.7	917.7	965.2	1022.4
38	952.5	971.6	1022.4	1073.2
40	1000.3	1025.7	1076.5	1127.3
42	1051.1	1076.5	1127.3	1178.1
44	1104.9	1130.3	1181.1	1231.9
46	1168.4	1193.8	1244.6	1289.1
48	1206.5	1244.6	1295.4	1346.2
50	1257.3	1295.4	1346.2	1403.4
52	1308.1	1346.2	1397	1454.2
54	1352.6	1403.4	1454.2	1517.7
56	1403.4	1454.2	1505	1568.5
58	1454.2	1505	1555.8	1619.3
60	1517.7	1568.5	1619.3	1682.8
NPS	Inside (d1) Diameter	Inside (d2) Diameter	Outside (d3) Diameter	Outside (d4) Diameter
	Inner Ring	Sealing Element		Outer Ring

General notes:

• Dimensions are in millimeters unless otherwise indicated.
• Image shows a Spiral Wound gasket with Inner - and Outer ring.
• d1 = Inside diameter when Inner ring is used.
• d2 = Inside diameter sealing element when no Inner ring is used.
• d3 = Outside diameter of sealing element.
• d4 = Outside diameter of Outer ring.
• The gasket thickness tolerance is ± 0.13 mm measured across the metallic portion of the gasket, not including the filler, which may protrude slightly beyond the metal.
• The gasket inside diameter tolerance for NPS 26 through NPS 34 is ± 0.8 mm, and the tolerance for NPS 36 through NPS 60 is ± 1.3 mm.
• The gasket outside diameter tolerance for NPS 26 through NPS 60 is ± 1.5 mm.
• The centering ring outside diameter tolerance is ± 0.8 mm.
• The inside diameter tolerance is ± 3.0 mm.
• Thickness of inner and outer ring: 2.97 mm - 3.33 mm.
• There are no Class 900 flanges NPS 50 and larger.

 

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