GB/T 9123.4-2000 RJ - Steel pipe blank flanges with ring-joint face

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		LINA Спецификация	IDNR Ident number ⁿ/ₐ	PN bar ⁿ/ₐ	DN dia. of nominal [mm]	D outer dia. of flanges [mm]	K dia. of newel [mm]	L dia. of bolt [mm]	N amount of bolts [mm]	M bolt standard ⁿ/ₐ	GN groove number;hermetic face ⁿ/ₐ	J min;hermetic face [mm]	P hermetic face [mm]	E hermetic face [mm]	F hermetic face [mm]	R1 max;hermetic face [mm]	C thickness of flanges [mm]	S approximation;distance of two flanges [mm]

Blank flanges DN25-PN20 R...	20	25	110	79.5	16.0	4	M14	R15	63.5	47.62	6.35	8.74	0.8	14.5	4
Blank flanges DN32-PN20 R...	20	32	120	89.0	16.0	4	M14	R17	73.0	57.15	6.35	8.74	0.8	16.0	4
Blank flanges DN40-PN20 R...	20	40	130	98.5	16.0	4	M14	R19	82.5	65.07	6.35	8.74	0.8	17.5	4
Blank flanges DN50-PN20 R...	20	50	150	120.5	18.0	4	M16	R22	102.0	82.55	6.35	8.74	0.8	19.5	4
Blank flanges DN65-PN20 R...	20	65	180	139.5	18.0	4	M16	R25	121.0	101.60	6.35	8.74	0.8	22.5	4
Blank flanges DN80-PN20 R...	20	80	190	152.5	18.0	4	M16	R29	133.0	114.30	6.35	8.74	0.8	24.0	4
Blank flanges DN100-PN20 ...	20	100	230	190.5	18.0	8	M16	R36	171.0	149.22	6.35	8.74	0.8	24.0	4
Blank flanges DN125-PN20 ...	20	125	255	216.0	22.0	8	M20	R40	194.0	171.45	6.35	8.74	0.8	24.0	4
Blank flanges DN150-PN20 ...	20	150	280	241.5	22.0	8	M20	R43	219.0	193.68	6.35	8.74	0.8	25.5	4
Blank flanges DN200-PN20 ...	20	200	345	298.5	22.0	8	M20	R48	273.0	247.65	6.35	8.74	0.8	29.0	4
Blank flanges DN250-PN20 ...	20	250	405	362.0	26.0	12	M24	R52	330.0	304.80	6.35	8.74	0.8	30.5	4
Blank flanges DN300-PN20 ...	20	300	485	432.0	26.0	12	M24	R56	406.0	381.00	6.35	8.74	0.8	32.0	4
Blank flanges DN350-PN20 ...	20	350	535	476.0	29.5	12	M27	R59	425.0	396.88	6.35	8.74	0.8	35.0	3
Blank flanges DN400-PN20 ...	20	400	600	540.0	29.5	16	M27	R64	483.0	454.02	6.35	8.74	0.8	37.0	3
Blank flanges DN450-PN20 ...	20	450	635	578.0	32.5	16	M30	R68	546.0	517.52	6.35	8.74	0.8	40.0	3
Blank flanges DN500-PN20 ...	20	500	700	635.0	32.5	20	M30	R72	597.0	558.80	6.35	8.74	0.8	43.0	3
Blank flanges DN600-PN20 ...	20	600	815	749.5	35.5	20	M33	R76	711.0	673.10	6.35	8.74	0.8	48.0	3
Blank flanges DN15-PN50 R...	50	15	95	66.5	16.0	4	M14	R11	51.0	34.14	5.56	7.14	0.8	14.5	3
Blank flanges DN20-PN50 R...	50	20	120	82.5	18.0	4	M16	R13	63.5	42.88	6.35	8.74	0.8	16.0	4
Blank flanges DN25-PN50 R...	50	25	125	89.0	18.0	4	M16	R16	70.0	50.80	6.35	8.74	0.8	17.5	4
Blank flanges DN32-PN50 R...	50	32	135	98.5	18.0	4	M16	R18	79.5	60.32	6.35	8.74	0.8	19.5	4
Blank flanges DN40-PN50 R...	50	40	155	114.5	22.0	4	M20	R20	90.5	68.28	6.35	8.74	0.8	21.0	4
Blank flanges DN50-PN50 R...	50	50	165	127.0	18.0	8	M16	R23	108.0	82.55	7.92	11.91	0.8	22.5	6
Blank flanges DN65-PN50 R...	50	65	190	149.0	22.0	8	M20	R26	127.0	101.60	7.92	11.91	0.8	25.5	6
Blank flanges DN80-PN50 R...	50	80	210	168.5	22.0	8	M20	R31	146.0	123.82	7.92	11.91	0.8	29.0	6