（12）Spiral Wound Gasket to BS 4504 raised face flange（table 1.1.26）

Products （VALQUA No.）	Product Dimension Standard	Applicable Flange Standard
●Spiral Wound Gasket with inner/outer ring 6596、7596、8596 ●Spiral Wound Gasket with outer ring (6591)、(7591)、8591	BS 4865-1989 （Part 2）	BS 4504 (part1、2)

Table 1．1．26　Unit mm

Nominal Dia	Outer Ring OD D4				Gasket OD D3	Gasket ID D2	Inner Ring ID D1
	PN 10	PN 16	PN 25	PN 40
10	48	48	48	48	36.4	23.6	15
15	53	53	53	53	40.4	27.6	19
20	63	63	63	63	47.4	33.6	24
25	73	73	73	73	55.4	40.6	30
32	84	84	84	84	66.4	49.6	39
40	94	94	94	94	72.4	55.6	45
50	109	109	109	109	86.4	67.6	56
65	129	129	129	129	103.4	83.6	72
80	144	144	144	144	117.4	96.6	84
100	164	164	170	170	144.4	122.6	108
125	194	194	196	196	170.4	147.6	133
150	220	220	226	226	200.4	176.6	160
200	275	275	286	293	255.4	228.6	209
250	330	331	343	355	310.4	282.4	262
300	380	386	403	420	360.4	331.6	311
350	440	446	460	477	405.4	374.6	355
400	491	498	517	549	458.4	425.6	406
450	541	558	567	574	512.4	476.6	452
500	596	620	627	631	566.4	527.6	508
600	698	737	734	750	675.4	634.6	610
700	813	807	836		778.5	734.0	710
800	920	914	945		879.5	835.0	811
900	1020	1014	1045		980.5	933.0	909

【Note】
Spiral Wound Gasket with inner/outer ring is recommneded in case of filler material of VALQUAFOIL and PTFE..