cast steel flexible butterfly valve

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Cast Steel Flexible Butterfly Valve SD343H/F/X-6C/10C/16C

this kind of butterfly valve is applied to open and shut or adjust the flow of water, steam and oils pipelines. It can also reduce the expansion and contraction of the pipeline, which is caused by the temperature variation, and make it convenient to replace and repair.

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Butterfly Valves

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Cast Steel Flexible Butterfly Valve SD343H/F/X-6C/10C/16C

Product description

Materials for main parts

Applications: It is applied to open and shut or adjust the flow of water, steam and oils pipelines. It can also reduce the expansion and contraction of the pipeline, which is caused by the temperature variation, and make it convenient to replace and repair.

Parts Name	Material
Valve Body	WCB
Expansion Set	25
O Type Ring	Rubber
Sealing Ring	430+XB450/PTEF/NBR
Disc	Q235/WCB
Valve Shaft	2Cr13
Stuff inside	soft graphite
Support	WCB

Function and Specification

Model No.	Nominal Pressure(Mpa)	Disc corner angle	Test Pressure(Mpa)		Applicable Temperature（℃）	Applicable Medium
Model No.	Nominal Pressure(Mpa)	Disc corner angle	Strength(water)	Seal(water)	Applicable Temperature（℃）	Applicable Medium
SD343H-6C	0.6	90°	0.9	0.66	-29~170℃	Water,Steam,oils
SD343F-10C	1.0	90°	1.5	1.1	-29~150℃	Water,Steam,oils
SD343X-16C	1.6	90°	2.4	1.8	-10~80℃	Water,Steam,oils

Outline and Connecting Measurements

Model No.	Nominal Diameter	Measurements								0.6Mpa				1.0Mpa				1.6Mpa
Model No.	mm	Lmin	Lmax	Designed Length	H (0.6/ 1.0Mpa)	H (1.6 Mpa)	H1	A	B	D	D1	b-f	Z-φd	D	D1	b-f	Z-φd	D	D1	b-f	Z-φd
SD343H /F/X-16C	50	138	168	153	82.5		350	180	200	140	110	20-2	4-φ14	165	125	20-2	4-φ18	165	125	20-2	4-φ18
	65	153	183	168	92.5		370	180	200	160	130	20-2	4-φ14	185	145	20-2	4-φ18	185	145	20-2	4-φ18
	80	163	193	178	100		380	180	200	190	150	20-2	4-φ18	200	160	20-2	8-φ18	200	160	20-2	8-φ18
	100	185	225	205	110		420	180	200	210	170	22-2	4-φ18	220	180	22-2	8-φ18	220	180	22-2	8-φ18
	125	195	235	215	125		460	180	200	240	200	22-2	8-φ18	250	210	22-2	8-φ18	250	210	22-2	8-φ18
	150	195	235	215	155		555	270	280	265	225	24-2	8-φ18	285	240	24-2	8-φ22	285	240	24-2	8-φ22
	200	215	265	240	182		605	270	280	320	280	24-2	8-φ18	340	295	24-2	8-φ22	340	295	24-2	12-φ22
	250	235	285	260	217		680	270	280	375	335	26-2	12-φ18	395	350	26-2	12-φ22	405	355	26-2	12-φ26
	300	255	305	280	245		800	380	420	440	395	26-2	12-φ22	445	400	26-2	12-φ22	460	410	28-2	12-φ26
	350	275	325	300	275		835	380	420	490	445	26-2	12-φ22	505	460	26-2	16-φ22	520	470	30-2	16-φ26
	400	285	345	315	355		915	450	470	540	495	26-2	16-φ22	565	515	26-2	16-φ26	580	525	32-2	16-φ30
	450	310	370	340	386		930	450	470	595	550	28-2	16-φ22	615	565	28-2	20-φ26	640	585	34-4	20-φ30
	500	320	380	350	403		1020	480	490	645	600	28-2	20-φ22	670	620	28-2	20-φ26	715	650	36-4	20-φ33
	600	365	425	395	499		1225	640	660	755	705	34-2	20-φ26	780	725	34-2	20-φ30	840	770	38-5	20-φ36
	700	395	465	430	536		1355	640	660	860	810	34-5	24-φ26	895	840	34-5	24-φ30	910	840	40-5	24-φ36
	800	430	510	470	619		1470	640	660	975	920	36-5	24-φ30	1015	950	36-5	24-φ33	1025	950	42-5	24-φ39
	900	480	580	530	624	667	1554	850	900	1075	1020	38-5	24-φ30	1115	1050	38-5	28-φ33	1125	1050	44-5	28-φ39
	1000	530	630	580	693	727	1795	850	900	1175	1120	38-5	28-φ30	1230	1160	38-5	28-φ36	1255	1170	46-5	28-φ42