(4)Spiral Wound Gasket to JPI raised face flange for large‐bored steel pipe

Products （VALQUA No.）	Product Dimension Standard	Applicable Flange Standard
●Spiral Wound Gasket with outer ring 　(6591)、(7591)、8591 ●Spiral Wound Gasket with inner/outer ring 　 6596、7596、8596	JPI-7S-41-2005	JPI-7S-43 (Series B)

Table 1．1．18　Unit mm

Nominal Dia		Class150				Class300				Class400
A	B	Inner Ring ID D1	Gasket		Outer Ring OD D4	Outer Ring ID D1	Gasket		Outer Ring OD D4	Inner Ring ID D1	Gasket		Outer Ring OD D4
			ID D2	OD D3			ID D2	OD D3			ID D2	OD D3
650	26	654.0	673.1	698.5	725.4	654.0	673.1	711.2	771.7	654.0	666.8	698.5	746.3
700	28	704.8	723.9	749.3	776.2	704.8	723.9	762.0	825.5	701.8	714.5	749.3	800.1
750	30	755.6	774.7	800.1	827.0	755.6	774.7	812.8	886.0	752.6	765.3	806.4	857.2
800	32	806.4	825.5	850.9	881.1	806.4	825.5	863.6	939.8	800.1	812.8	860.6	911.4
850	34	857.2	876.3	908.0	935.0	857.2	876.3	914.4	993.9	850.9	866.9	911.4	962.2
900	36	908.0	927.1	958.8	987.6	908.0	927.1	965.2	1047.8	898.7	917.7	965.2	1022.4
950	38	958.8	974.6	1009.6	1044.7	971.6	1009.6	1047.8	1098.6
1000	40	1009.6	1022.4	1063.8	1095.5	1022.4	1060.4	1098.6	1149.4
1050	42	1060.4	1079.5	1114.6	1146.3	1085.8	1111.2	1149.4	1200.2
1100	44	1111.2	1124.0	1165.4	1197.1	1124.0	1162.0	1200.2	1251.0
1150	46	1162.0	1181.1	1224.0	1255.8	1178.1	1216.2	1254.3	1317.8
1200	48	1212.8	1231.9	1270.0	1306.6	1231.9	1263.6	1311.4	1368.6
(1250)	(50)	1263.6	1282.7	1325.6	1357.4	1267.0	1317.8	1355.9	1419.4
(1300)	(52)	1314.4	1333.5	1376.4	1408.2	1317.8	1368.6	1406.7	1470.2
1350	54	1365.2	1384.3	1422.4	1463.8	1365.2	1403.4	1454.2	1530.4
(1400)	(56)	1422.4	1444.8	1477.8	1514.6	1428.8	1479.6	1524.0	1593.8
(1450)	(58)	1478.0	1500.4	1528.8	1579.6	1484.4	1535.2	1573.3	1655.8
1500	60	1535.2	1557.3	1586.0	1630.4	1557.3	1589.0	1630.4	1706.6

 

Nominal Dia		Class600				Class900
A	B	Inner Ring ID D1	Gasket		Outer Ring OD D4	Inner Ring ID D1	Gasket		Outer Ring OD D4
			ID D2	OD D3			ID D2	OD D3
650	26	644.7	663.7	714.5	765.3	673.1	692.2	749.3	838.2
700	28	692.2	704.8	755.6	819.2	723.9	743.0	800.1	901.7
750	30	752.6	778.0	828.8	879.6	787.4	806.4	857.2	958.8
800	32	793.8	831.8	882.6	933.4	838.2	863.6	914.4	1016.0
850	34	850.9	889.0	939.8	997.0	895.4	920.8	971.6	1073.2
900	36	901.7	939.8	990.6	1047.8	927.1	946.2	997.0	1124.0

【Note】
1. Please do not use Nominal Dia products in parentheses as much as possible.
2. Gaskets of Nominal Dia26 to 60B Class150 to 600 and Nominal Dia26 to 48B Class900 are compatible to Wedling Neck flange.
3. When using in JPI-7S-43-72（Old standard ）Flange, outer ring OD D4 of Nominal Dia 38B and 44B Class150 need changing to 1037.7mm and 1204.4mm respectively.
4. Spiral Wound Gasket with inner/outer ring is recommneded in case of filler material of VALQUAFOIL and PTFE..