Metal Hard Seal Butterfly Valve

Name: Metal Hard Seal Butterfly Valve
Availability: InStock
Rating: 5 (1 reviews)

Key Specifications / Features

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Detail Information

Metal hard seal butterfly valve adopts J elastic sealing ring and three eccentric multilevel metal hard sealing structure. Metal hard seal butterfly is widely utilized for pipe lines to regulate flow or cut off medium in metallurgy, electricity, petroleum, etc.

Working temperature: ≤425℃

Characteristics:

1. Metal hard seal butterfly valve adopts three eccentric sealing structure. Abrasion does not exist between base and disc. For that, the valve has good sealing.

2. Sealing ring is made of stainless steel, having the advantages of metal hard sealing and elastic sealing. It has excellent sealing, corrosion resistance and long service life under high or low temperature.

3. Sealing face of disc adopts cemented carbide, having wearing resistance and long service life.

4. Large size disc adopts lattice structure, having high strength, large flow area and low fluid resistance.

5. Metal hard seal butterfly valve has two-way sealing. Valve can be installed at any positions without the limitation of medium flow direction or space.

6. Actuator can be installed on any position on the valve for convenient utilization.

Standards

Design: GB/T 12238

Length: GB/T 12221

Flange: GB/T 9113

Testing & inspection: GB/T 13927

Identification: GB/ 12220

Parameter

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
Working Pressure(MPa)		1.0-4.0
Working Temperature(℃)		≤425	≤200
Applicable Medium		Water, oil, non corrosive medium	Nitric acid	Acetic acid
Materials	Body/disc	WCB	CF8/304	CF3M/316L
	Stem	2Cr13	304	316L
	Body sealing face	Bead welding 507	－	－
	Disc sealing face	304＋flexible graphite	304＋PTFE	304＋PTFE
	Packing	flexible graphite	PTFE	PTFE

Dimensions

Nominal Diameter(DN)		Length (standard value)		Dimensions(reference value)										Face to face(standard value)
Nominal Diameter(DN)		L		H	Dt343H			Dt643H			Dt943H			PN4.0MPa
mm	inch	S	L	H	H1	A1	B1	H2	A2	B2	H3	A3	B3	D	D1	Z-d
50	2	108	150	112	350	180	200				530	250	255	165	125	4-18
65	2 1/2	112	170	115	370	180	200	625	355	92	550	250	255	185	145	8-18
80	3	114	180	120	380	180	200	625	355	92	565	250	255	200	160	8-18
100	4	127	190	138	420	180	200	645	355	92	600	250	255	235	190	8-22
125	5	140	200	164	460	180	200	675	550	138	640	250	255	270	220	8-26
150	6	140	210	175	555	270	280	715	550	138	705	300	315	300	250	8-26
200	8	152	230	208	605	270	280	800	550	138	775	300	315	375	320	12-30
250	10	165	250	243	680	270	280	850	550	138	945	300	315	450	385	12-33
300	12	178	270	283	800	380	420	925	450	220	1070	300	315	515	450	16-33
350	14	190	290	310	830	380	420	1035	450	220	1140	300	315	580	510	16-36
400	6	216	310	350	915	450	470	1070	650	280	1210	300	315	660	585	16-39
450	8	222	330	380	960	480	490	1190	650	280	1335	575	714	685	610	20-39
500	20	229	350	410	1020	480	490				1415	575	714	755	670