自密封鍛鋼閘閥（壓力自緊式閥蓋）閥蓋設(shè)計(jì)，*種是螺栓型閥蓋，通過(guò)凹凸面連接，采用不銹鋼帶與柔性石墨纏繞墊片，按需求也可采用環(huán)連接，第二種是焊接型閥蓋，通過(guò)螺紋密封后焊接，按需求也可直接采用剛性焊接，第三種是自密封閥蓋，通過(guò)螺紋與自密封閥蓋連接。

詳細(xì)介紹

自密封鍛鋼閘閥主要零件及材質(zhì)Main parts and materials

自密封鍛鋼閘閥

NO.	零件名稱Part Name	Qty.	材料Material	NO.	零件名稱Part Name	Qty.	材料Material
1	閥體Body	1	WCB	14	壓母Gland Nut	1	1035
2	閥座Seat	2	A105+HF	15	手輪Handwheel	1	60-40-189
3	閘板Wedge	1	WCB+F6	16	鎖母Lock Nut	1	A29 1035
4	閥桿Stem	1	A182 F6	17	油杯Oil Filler	1	A570 Gr.A
5	墊片Gasket	1	08F不銹鋼+柔性石墨08FFlexible Graphite	18	螺栓Eye Bolt	2	A193 B7
6	閥蓋Bonnet	1	WCB	19	螺母Eye Bolt	2	A194 2H
7	密封座Back Seat	1	A276 410	20	銷軸Pin	2	A29 1035
8	填料Packing	1	柔性石墨+不銹鋼 Stainless Steel Wiire with Flexibl Graphite	21	開(kāi)口銷Split Pin	2	A570 Gr.A
9	填料Packing	4-5	柔性石墨+不銹鋼 Stainless Steel Wiire with Flexibl Graphite	22	螺柱Stud		A193 B7
10	隔環(huán)Distance Ring	1	A276 410	23	螺母Nut		A194 2H
11	壓套Gland	1	A276 410	24	鉚釘Rivet	2	304
12	壓板Gland Flange	1	WCB	25	銘牌Name Plate	1	304
13	閥母Stem Nut		D-2

二、主要連接尺寸及重量Main connection dimensions and weights

NPS d	in	2	2-1/2	3	4	6	8	10	12	14	16
NPS d	mm	47	57	73	98	146	190	238	282	311	356
L-L1 (BF-BW)	in	14.50	16.50	15.00	18.00	24.00	29.00	33.00	38.00	4050	44.50
L-L1 (BF-BW)	mm	368	419	381	457	610	737	838	965	1029	1130
L2 (RTJ)	in	14.62	16.62	15.12	18.12	24.12	29.10	33.12	38.12	40.88	44.88
L2 (RTJ)	mm	371	422	384	460	613	74	841	968	1038	1140
d1	in	3.62	4.13	5.00	6.18	8.5	10.63	12.76	15.00	16.26	18.50
d1	mm	92	105	127	157	216	270	324	381	413	470
d2	in	6.350	7.05	7.50	6.25	12.50	15.5	18.50	21.00	22.00	24.25
d2	mm	165.0	190.5	190.5	234.9	317.5	393.7	469.9	533.4	558.8	615.9
D	in	8.50	9.62	9.50	11.50	15.00	18.5	21.50	24.00	25.25	27.75
D	mm	216	244	241	292	381	470	545	610	640	705
b	in	1.50	1.63	1.50	1.75	2.20	2.50	2.75	3.13	3.38	3.50
b	mm	38.5	41.5	38.5	44.5	56	63.5	70	79.5	86	89
n-Φd	in	8-1.00	8-1.13	8-1.00	8-1.25	12-1.25	12-1.50	16-1.50	20-1.50	21-1.63	20-1.75
n-Φd	mm	8-26	8-29	5-26	8-32	12-32	12-39	16-39	20-39	20-42	20-45
H (open)	in	21.54	27.56	25.51	28.70	40.98	49.61	62.60	70.67	79.72	85.43
H (open)	mm	547	7.00	648	720	10.11	12.00	1590	1795	2025	2170