Pneumatic stainless steel butterfly valve

Product Description

Product Description
Stainless steel butterfly valve D343W-16P DN100 triple eccentric metal hard seal flange butterfly valve
D343H/D373H flange/wafer type stainless steel butterfly valve, the valve body material is made of 304 or 316 stainless steel, the stainless steel material has strong corrosion resistance and excellent performance. It is suitable for occasions with harsh working conditions and high requirements. The valve body structure adopts multi-layer metal hard sealing structure, which has good sealing effect and reliability. Butterfly valve is widely used in metallurgy, electric power, petrochemical industry, water supply and drainage, municipal construction and other industries with medium temperature ≤425℃ On the pipeline, it is used for regulating flow and load-cutting fluid.
Executive standard:
Design specification: GB/T 12238
Structure length: GB/T 12221
Flange connection: GB/T 9113
Test and inspection: GB/T 13927
Product identification: GB/T 12220
Performance parameters:

model	D343H-10 D343H-16 D343H-25 D343H-40	D343H-10P D343H-16P D343H-25P D343H-40P	D343H-10R D343H-16R D343H-25R D343H-40R
model（MPa）	1.0~4.0
proper temperature（℃）	≤425	≤200
Applicable media	Water, oil or non-corrosive media	Nitric acid medium	Acetic acid medium
Material	Valve body, butterfly plate	WCB	CF8/304	CF3M/316L
stem	2Cr13	304	316L
Body sealing surface	Surfacing 507	－	－
Butterfly plate sealing surface	304+ flexible graphite	304＋PTFE	304＋PTFE
filler	Flexible graphite	PTFE	PTFE

D3/6/943H-10/16/25/Main outline and connection dimensions of series butterfly valve (:mm)

Nominal Tongjing(DN)	Main dimensions	Flange size and bolt size
1.0MPa	1.6MPa	2.5MPa
L	H1	H	D	D1	n-Фd	D	D1	n-Фd	D	D1	n-Фd
50	108	350	112	165	125	4-18	165	125	4-18	165	125	4-18
65	112	370	115	185	145	4-18	185	145	4-18	185	145	8-18
80	114	380	120	200	160	4-18	200	160	8-18	200	160	8-18
100	127	420	138	220	180	8-18	220	180	8-18	235	190	8-22
125	140	460	164	250	210	8-18	250	210	8-22	270	220	8-26
150	140	555	175	285	240	8-22	285	240	8-22	300	250	8-26
200	152	760	200	340	295	8-22	340	295	12-22	360	310	12-26
250	165	830	243	395	350	12-22	405	355	12-26	425	370	12-30
300	178	895	250	445	400	12-22	460	410	12-26	485	430	16-30
350	190	950	280	505	460	16-22	520	470	16-26	555	490	16-33
400	216	1190	305	565	515	16-26	580	525	16-30	620	550	16-36
450	222	1255	350	615	565	20-26	640	585	20-30	670	600	20-36
500	229	1305	380	670	620	20-26	715	650	20-33	730	660	20-36
600	267	1340	445	780	725	20-30	840	770	20-36	845	770	20-39
700	292	1520	480	895	840	24-30	910	840	24-36	960	875	24-42
800	318	1710	530	1015	950	24-33	1025	950	24-39	1085	990	24-48
900	330	1810	580	1115	1050	28-33	1125	1050	28-39	1185	1090	28-48
1000	410	1960	650	1230	1160	28-36	1255	1170	28-42	1320	1210	28-56
1200	470	2250	760	1455	1380	32-39	1485	1390	32-48	1530	1420	32-56
1400	530	2435	850	1675	1590	36-42	1685	1590	36-48	1755	1640	36-62
1600	600	2780	1030	1915	1820	40-48	1930	1820	40-56	1975	1860	40-62
1800	670	3020	1230	2115	2020	44-48	2130	2020	44-56	2195	2070	44-70
2000	760	3270	1350	2325	2230	48-48	2345	2230	48-62	2425	2300	48-70

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