Chinese Professional semi lug butterfly valve - Double Eccentric butterfly valve – BESTFLOW

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Chinese Professional semi lug butterfly valve - Double Eccentric butterfly valve – BESTFLOW Detail:

Double Eccentric butterfly valve

Technical Requirements:
1.Basic Design: DIN3354
2.Face to face: DIN3202
3.Flange connection in accordance: DIN EN1092-1
4.Test standard: DIN3230

Technical Specification
PN Shell test pressure	MPa	1.6
		2.4
		1.75
Seal test pressure working temperature	℃	0-80
Applicable medium	Sewage, water, gas etc

Butterfly valve, also known as flap valve, is a regulating valve with simple structure, Butterfly valve which can be used for switching control of medium in low-pressure pipeline refers to a valve whose closing part (disc or disc) is a disc and rotates around the valve axis to open and close. It is used to control the flow of various types of fluids such as air, water, steam, various corrosive media, mud, oil products, liquid metal and radioactive media. It mainly plays the role of cut-off and throttling on the pipeline.
characteristic
Butterfly valve has the advantages of small size, light weight, fast switching and certain regulation performance.
Metal hard seal butterfly valve adopts precise J-shaped elastic seal ring and three eccentric multi-level metal hard seal structure. It is widely used in metal treatment, electric power, petrochemical industry, water supply and drainage, municipal construction and other industrial pipelines with medium temperature ≤ 425 ℃ for regulating flow and carrying off fluid.

Specification

SIZE	Pressure	Ø1	Ø2	Ø	D	L	L1	L2	H1	H2	H3	n-d
DN100	PN16	156	220	180	180	127	52	115	125	180	72	8-19
DN125	PN16	186	245	210	180	140	52	115	139	200	70	8-19
DN150	PN16	211	285	240	180	140	52	115	139	200	72	8-23
DN200	PN16	266	340	295	220	152	80	115	175	300	85	12-23
DN250	PN16	319	405	355	220	165	80	115	210	352	105	12-28
DN300	PN16	370	460	410	320	178	80	115	185	370	105	12-28
DN350	PN16	429	520	470	320	190	80	115	185	395	105	16-28
DN400	PN16	480	580	525	400	216	136	115	312	435	132	16-31
DN450	PN16	548	640	585	500	222	136	115	336	481	132	20-31
DN500	PN16	609	715	650	500	229	136	115	360	512	153	20-34
DN600	PN16	720	840	770	600	267	136	115	420	586	180	30-37
DN700	PN16	794	910	840	600	292	136	115	500	660	180	24-37

Our Company

We devote to the best quality products, the honest and trustworthy rules, competitive price, the strict quality testing of each production steps to guarantee the customers satisfaction, to setting up the good enterprise image all over the world, we will adhere to the “Quality is our life, Honest and trustworthy is our basis, Competitive price is our advantage” as enterprise guidelines.

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