National standard three piece forged steel flange ball valve Q41F-PN16~250 304

Product drawing

产品图纸.png

Product dimensions

PN16
DN	L	D	K	d	Y	b	Z-d0	Ws	Hs	Hw	Hd
40	165	145	110	85	-	16	4-18	230	135	-	-
50	203	160	125	100	-	16	4-18	260	150	-	-
65	222	180	145	120	-	18	4-18	350	180	-	-
80	241	195	160	135	-	20	8-18	500	195	-	-
100	305	215	180	155	-	20	8-18	650	245	310	420
125	356	245	210	185	-	22	8-18	800	270	330	440
150	394	280	240	210	-	24	8-23	1000	295	390	470
200	457	335	295	265	-	26	12-23	-	-	440	510
250	533	405	355	320	-	30	12-25	-	-	490	560
300	610	460	410	375	-	30	12-25	-	-	530	600
350	686	520	470	435	-	34	16-25	-	-	620	670
400	762	580	525	485	-	36	16-30	-	-	675	720
450	864	640	585	545	-	40	20-30	-	-	740	790
500	914	705	650	608	-	44	20-34	-	-	825	870
600	1067	840	770	718	-	48	20-41	-	-	920	960
PN25
DN	L	D	K	d	Y	b	Z-d0	Ws	Hs	Hw	Hd
40	190	145	110	85	-	18	4-18	230	135	-	-
50	216	160	125	100	-	20	4-18	260	150	-	-
65	240	180	145	120	-	22	8-18	350	180	-	-
80	283	195	160	135	-	22	8-18	500	195	-	-
100	305	230	180	155	-	24	8-23	650	245	310	420
125	381	270	210	185	-	28	8-25	800	270	330	440
150	403	300	240	210	-	30	8-25	1000	295	390	470
200	502	360	295	265	-	34	12-25	-	-	440	510
250	568	425	355	320	-	36	12-30	-	-	490	560
300	648	485	410	375	-	40	16-30	-	-	530	600
350	762	550	470	435	-	44	16-34	-	-	620	670
400	838	610	525	485	-	48	16-34	-	-	675	720
450	914	660	585	545	-	50	20-34	-	-	740	790
500	991	730	650	608	-	52	20-41	-	-	825	870
600	1143	840	770	718	-	56	20-41	-	-	920	960
JB/T79.2-1994
PN40
DN	L	D	K	d	Y	b	Z-d0	Ws	Hs	Hw	Hd
40	190	145	110	85	76	18	4-18	230	135	-	-
50	216	160	125	100	88	20	4-18	260	150	-	-
65	241	180	145	120	110	22	8-18	350	180	-	-
80	283	195	160	135	121	22	8-18	500	195	-	-
100	305	230	190	160	150	24	8-23	800	250	320	430
125	381	270	220	188	176	28	8-25	1000	280	340	450
150	403	300	250	218	204	30	8-25	1200	300	405	480
200	502	375	320	282	260	38	12-30	-	-	450	530
250	568	445	385	345	313	42	12-34	-	-	505	590
300	648	510	450	408	364	46	16-34	-	-	545	620
350	762	570	510	465	422	52	16-34	-	-	640	690
400	838	655	585	535	474	58	16-41	-	-	690	740
450	914	680	610	560	524	60	20-41	-	-	760	810
500	991	755	670	612	576	62	20-48	-	-	850	900
PN64
DN	L	D	K	d	Y	b	Z-d0	Ws	Hs	Hw	Hd
40	241	165	125	95	76	24	4-23	230	135	-	-
50	292	175	135	105	88	26	4-23	260	150	-	-
65	330	200	160	130	110	28	8-23	350	180	-	-
80	356	210	170	140	121	30	8-23	500	195	-	-
100	406	250	200	168	150	32	8-25	800	250	320	430
125	400	295	240	202	176	36	8-30	1000	280	340	450
150	495	340	280	240	204	38	8-34	1200	300	405	480
200	597	405	345	300	260	44	12-34	-	-	450	530
250	673	470	400	352	313	48	12-41	-	-	505	590
300	762	530	460	412	364	54	16-41	-	-	545	620
350	826	595	525	475	422	60	16-41	-	-	640	690
400	902	670	585	525	474	66	16-48	-	-	690	740
500	1054	800	705	640	576	70	20-54	-	-	760	810
PN100
DN	L	D	K	d	Y	b	Z-d0	Ws	Hs	Hw	Hd
40	241	165	125	95	76	26	4-23	260	160	-	-
50	292	195	145	112	88	28	4-25	350	180	-	-
65	330	220	170	138	110	32	8-25	500	200	-	-
80	356	230	180	148	121	34	8-25	800	240	310	410
100	432	265	210	172	150	38	8-30	1000	270	340	450
125	508	310	250	210	176	42	8-34	1200	320	360	505
150	559	350	290	250	204	46	12-34	-	-	425	555
200	660	430	360	312	260	54	12-41	-	-	470	625
250	787	500	430	382	313	60	12-41	-	-	525	645
300	838	585	500	442	364	70	16-48	-	-	565	715
350	889	665	560	498	422	76	16-54	-	-	670	770
400	991	715	620	558	474	80	16-54	-	-	720	840
PN160
DN	L	D	K	d	Y	b	Z-d0	Ws	Hs	Hw	Hd
40	305	175	125	92	76	32	4-27	350	160	-	-
50	368	215	165	132	88	36	8-25	500	180	-	-
65	381	245	190	152	110	44	8-30	800	200	-	-
80	419	260	205	168	121	46	8-30	1000	240	310	410
100	457	300	240	200	150	48	8-34	1200	270	340	450
125	559	355	285	238	176	60	8-41	-	-	360	505
150	610	390	318	270	204	66	12-41	-	-	425	560
200	737	480	400	345	260	78	12-48	-	-	530	630
250	838	580	485	425	313	88	12-54	-	-	570	720
300	965	665	570	510	364	100	16-54	-	-	680	780
PN200
DN	L	D	K	d	Y	b	Z-d0	Ws	Hs	Hw	Hd
40	305	170	124	90	56	34	4-27	500	180	-	-
50	368	210	160	128	70	40	8-25	650	200	-	-
65	419	260	203	165	97	48	8-30	800	220	-	-
80	470	290	230	190	116	54	8-34	1000	260	320	420
100	546	360	292	245	138	66	8-41	1200	290	360	470
125	673	385	318	270	170	76	12-41	-	-	380	530
150	705	440	360	305	190	82	12-48	-	-	440	580
200	832	535	440	380	245	92	12-54	-	-	550	650
250	991	670	572	508	319	110	16-58	-	-	590	740
PN250
DN	L	D	K	d	Y	b	Z-d0	Ws	Hs	Hw	Hd
40	305	180	124	92	68.28	32	4-29.5	500	180	-	-
50	368	215	165	124	95.25	38.5	8-26	650	200	-	-
65	419	245	190.5	137	107.95	41.5	8-29.5	800	220	-	-
80	470	265	203	168	136.52	48	8-32.5	1000	260	320	420
100	546	310	241.5	194	161.92	54	8-35.5	1200	290	360	470
125	673	375	292	229	193.68	73.5	8-42	-	-	380	530
150	705	395	317.5	248	211.12	83	12-39	-	-	440	580
200	832	485	393.5	318	269.88	92	12-45	-	-	550	650

Technical Documentation

1. Technical standards shall comply with GB/T 12237-2021

2. The flange size shall be in accordance with JB/T 79.1-1994

3. Structural Length GB/T 12221-2005

4. Test according to GB/T 13927-2008

Product Parts List

Valve body/valve cover/packing box	25		1Cr18Ni9Ti		0Cr18Ni12MoTi		15Cr1MoIV
sphere	2Cr13/Special surface treatment		1Cr18Ni9Ti/Special surface treatment		0Cr18Ni12MoTi/Special surface treatment		25Cr2MoIV/Special surface treatment
Valve stem, fixed shaft	2Cr13		0Cr18Ni9		0Cr17Ni12Mo2		25Cr2MoIV
valve seat	PTFE	2Cr13	PTFE	0Cr18Ni9	PTFE	0Cr17Ni12Mo2	PTFE	25Cr2MoIV
filler	PTFE	flexible graphite	PTFE	flexible graphite	PTFE	flexible graphite	PTFE	flexible graphite
bolt	35		0Cr18Ni9		0Cr18Ni9		15Cr1MoIV
nut	45		1Cr13		1Cr13		20CrMo

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