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國標鑄鋼閘閥

閘閥適用于公稱壓力PN1.6～10.0MPa,工作溫度-29～600℃的石油、化工、制藥、化肥、電力行業等各種工況的管路上，切斷或接通管路介質。

適用介質為：水、油品、蒸氣、酸性介質等。

操作方式有：手動、齒輪傳動、電動、氣動等。設計合理，密封可靠，通道流暢，流阻系數小，閘板、閥座密封面用鐵基合金堆焊或司太立（stellite）鈷基硬質合金堆焊而成，耐磨、耐高溫、耐腐蝕、抗擦傷性能好、使用壽命長，采用楔式彈性閘板或鋼性楔式單閘板結構，中大口徑設置滾動軸承，開關靈活，啟閉輕松，閥桿經調質及表面氮化處理，有良好的抗腐蝕性，抗擦傷性和耐磨性。可采用各種配管法蘭標準及法蘭密封面型式，滿足各種工程需要及用戶要求，閥體材料品種齊全，填料、墊片可根據實際工況或用戶要求合理選配，能適用于各種壓力、溫度及介質工況。

主要外形尺寸及連接尺寸：

國標（GB）PN1.0MPa
DN	L	D	D1	D2	b	f	Z-фd	H
15	108	95	65	46	14	2	4-ф14	160
20	117	105	75	56	16	2	4-ф14	165
25	127	115	85	65	16	2	4-ф14	200
32	140	140	100	76	18	2	4-ф18	240
40	165	150	110	84	18	2	4-ф18	245
50	180	165	125	99	20	2	4-ф18	286
65	195	185	145	118	20	2	4-ф18	320
80	210	200	160	132	20	2	8-ф18	373
100	230	220	180	156	22	2	8-ф18	428
125	255	250	210	184	22	2	8-ф18	513
150	280	285	240	211	24	2	8-ф22	582
200	330	340	295	266	24	2	8-ф22	730
250	380	395	350	319	26	2	12-ф22	897
300	420	445	400	370	26	2	12-ф22	1032
350	450	505	460	429	26	2	16-ф22	1170
400	480	565	515	480	26	2	16-ф26	1330
450	510	615	565	530	28	2	20-ф26	1460
500	540	670	620	582	28	2	20-ф26	1650
600	600	780	725	682	34	2	20-ф30	1830
700	665	895	840	794	34	5	24-ф30	2120
800	730	1015	950	901	36	5	24-ф33	2420
900	800	1115	1050	1001	38	5	28-ф33	2750
1000	850	1230	1160	1112	38	5	28-ф36	3130
國標（GB）PN1.6MPa
DN	L	D	D1	D2	b	f	Z-фd	H
15	130	95	65	45	14	2	4-ф14	170
20	150	105	75	55	14	2	4-ф14	190
25	160	115	85	65	14	2	4-ф14	205
32	180	135	100	78	16	2	4-ф18	270
40	200	145	110	85	16	3	4-ф18	310
50	250	160	125	100	16	3	4-ф18	358
65	265	180	145	120	18	3	4-ф18	373
80	280	195	160	135	20	3	8-ф18	435
100	300	215	180	155	20	3	8-ф18	500
125	325	245	210	185	22	3	8-ф18	614
150	350	280	240	210	24	3	8-ф23	674
200	400	335	295	265	26	3	12-ф23	818
250	450	405	355	320	30	3	12-ф25	969
300	500	460	410	375	30	4	12-ф25	1145
350	550	520	470	435	34	4	16-ф25	1280
400	600	580	525	485	36	4	16-ф30	1450
450	650	640	585	545	40	4	20-ф30	1541
500	700	705	650	608	44	4	20-ф34	1676
600	800	840	770	718	48	5	20-ф41	1874
700	900	910	840	788	50	5	24-ф41	2083
800	1000	1020	950	898	52	5	24-ф41	2400
900	1100	1120	1050	998	54	5	28-ф41	2950
1000	1200	1255	1170	1110	56	5	28-ф48	3245
國標（GB）PN2.5MPa
DN	L	D	D1	D2	b	f	Z-фd	H
15	130	95	65	45	16	2	4-ф14	170
20	150	105	75	55	16	2	4-ф14	190
25	160	115	85	65	16	2	4-ф14	205
32	180	135	100	78	18	2	4-ф18	270
40	200	145	110	85	18	3	4-ф18	310
50	250	160	125	100	20	3	4-ф18	358
65	270	180	145	120	22	3	4-ф18	373
80	280	195	160	135	22	3	8-ф18	435
100	300	230	190	160	24	3	8-ф23	500
125	325	270	220	188	28	3	8-ф25	614
150	350	300	250	218	30	3	8-ф25	674
200	400	360	310	278	34	3	12-ф25	818
250	450	425	370	332	36	3	12-ф30	969
300	500	485	430	390	40	4	16-ф30	1145
350	550	550	490	448	44	4	16-ф34	1280
400	600	610	550	505	48	4	16-ф34	1450
450	650	660	600	555	50	4	20-ф34	1541
500	700	730	660	610	52	4	20-ф41	1676
600	800	840	770	718	56	5	20-ф41	1874
700	900	955	875	815	60	5	24-ф48	2083
800	1000	1070	990	930	64	5	24-ф48	2400
900	1100	1180	1090	1025	66	5	28-ф54	2950
1000	1200	1305	1210	1140	68	5	28-ф58	3245
國標（GB）PN4.0MPa
DN	L	D	D1	D2	b	f	Z-фd	H
15	130	95	65	45	16	2	4-ф14	135
20	150	105	75	55	16	2	4-ф14	190
25	160	115	85	65	16	2	4-ф14	205
32	180	135	100	78	18	2	4-ф18	270
40	200	145	110	85	18	3	4-ф18	310
50	250	160	125	100	20	3	4-ф18	371
65	280	180	145	120	22	3	8-ф18	391
80	310	195	160	135	22	3	8-ф18	455
100	350	230	190	160	24	3	8-ф23	551
125	400	270	220	188	28	3	8-ф25	628
150	450	300	250	218	30	3	8-ф25	708
200	550	375	320	282	38	3	12-ф30	885
250	650	445	385	345	42	3	12-ф34	906
300	750	510	450	408	46	4	16-ф34	1203
350	850	570	510	465	52	4	16-ф34	1341
400	950	655	585	535	58	4	16-ф41	1429
450	1050	680	610	560	60	4	20-ф41	1581
500	1150	755	670	612	62	4	20-ф48	1627
600	1350	890	795	730	62	5	20-ф54	1925
700	1450	995	900	835	68	5	24-ф54	2310
800	1650	1135	1030	960	76	5	24-ф58	2600
國標（GB）PN6.4MPa
DN	L	D	D1	D2	b	f	Z-фd	H
15	170	105	75	55	18	2	4-ф14	140
20	190	125	90	68	20	2	4-ф18	140
25	210	135	100	78	22	2	4-ф18	215
32	230	150	110	82	24	2	4-ф23	270
40	240	165	125	95	24	3	4-ф23	345
50	250	175	135	105	26	3	4-ф23	470
65	280	200	160	130	28	3	8-ф23	520
80	310	210	170	140	30	3	8-ф23	570
100	350	250	200	168	32	3	8-ф25	700
125	400	295	240	202	36	3	8-ф30	780
150	450	340	280	240	38	3	8-ф34	850
200	550	405	345	300	44	3	12-ф34	1035
250	650	470	400	352	48	3	12-ф41	1050
300	750	530	460	412	54	4	16-ф41	1470
350	850	595	525	475	60	4	16-ф41	1718
400	950	670	585	525	66	4	16-ф48	1885
500	1150	800	705	640	70	4	20-ф54	2410
600	1350	930	820	750	76	5	20-ф58	2895
國標（GB）PN10.0MPa
DN	L	D	D1	D2	b	f	Z-фd	H
15	170	105	75	55	20	2	4-ф14	140
20	190	125	90	68	22	2	4-ф18	140
25	210	135	100	78	24	2	4-ф18	310
32	230	150	110	82	24	2	4-ф23	320
40	240	165	125	95	26	3	4-ф23	360
50	250	195	145	112	28	3	4-ф25	490
65	280	220	170	138	32	3	8-ф25	540
80	310	230	180	148	34	3	8-ф25	572
100	350	265	210	172	38	3	8-ф30	573
125	400	310	250	210	42	3	8-ф34	744
150	450	350	290	250	46	3	12-ф34	800
200	550	430	360	312	54	3	12-ф41	800
250	650	500	430	382	60	3	12-ф41	1050
300	750	585	500	442	70	4	16-ф48	1200
350	850	655	560	498	76	4	16-ф54	1430
400	950	715	620	558	80	4	16-ф54	1743

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國標鑄鋼閘閥

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