Product Name: PTFE metal Gasket Style: Mechanical Seal Shape (For Gasket): Ring Gasket Function: Fixed Sealing Application: Flange Seal Material: Graphite Specification: Standard Product Description Spiral wound gasket(seal gasket, o-ring)1. Basic form 3.2mm, 4.5mm2. with inner ring 4.5mm3. with outer ring 4.5mmSpiral wound gasket(seal gasket, o-ring)We have produced the spiral wound gaskets with more than 20 years.Due to rich experience in this line, our high quality spiral wound gasket have meet with a favourable reception all over the world.Welcome new customers to send inquiry.Spiral wound gaskets type:Type Thickness(mm)Basic form 3.2mm, 4.5mmwith inner ring 4.5mmwith outer ring 4.5mmwith inner and outer ring 4.5mmStructure type:Filler Hoop Inner ring Outer ringAsbestos SS 304 Carbon steel Carbon steelGraphite SS 316 SS 304 SS 304PTFE SS 316L SS 316 SS 316SS 316L SS 316LPN2.0MPa(class150)PN5.0MPa(class300)PN11.0MPa(class600)TT1NPS ( inch)DND1D2D3D4D1D2D3D4D1D2D3D41/2"1514.219.131.846.514.219.131.852.514.219.131.852.54.533/4"2020.625.439.65620.625.439.666.520.625.439.666.51"2526.931.847.865.526.931.847.87326.931.847.8731-1/4"3238.147.860.57538.147.860.582.538.147.860.582.51-1/2"4044.554.169.984.544.554.169.994.544.554.169.994.52"5055.669.985.9104.555.669.985.911155.669.985.91112-1/2"6566.582.698.6123.566.582.698.612966.582.698.61293"8081101.6120.7136.581101.6120.7148.581101.6120.7148.54"100106.4127149.4174.5106.4127149.4180106.4120.7149.41925"125131.8155.7177.8196131.8155.7177.8215131.8147.6177.82406"150157.2182.6209.6221.5157.2182.6209.6250157.2174.8209.62658"200215.9233.4263.7278.5215.9233.4263.7306209.6225.6263.731910"250268.2287.3317.5338268.2287.3317.5360.5260.4274.6317.539912"300317.5339.9374.7408317.5339.9374.7421317.5327.2374.745614"350349.3371.6406.4449349.3371.6406.4484.5349.3362406.449116"400400.1422.4463.6513400.1422.4463.6538.5400.1412.8463.656418450449.3474.7527.1548449.3474.7527.1595.5449.3469.9527.161220500500.1525.5577.9605500.1525.5577.9653500.1520.7577.968222550552.5577.9635659552.5577.9635704552.5577.963573324600603.3628.7685.8716.5603.3628.7685.8774603.3628.7685.8790