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D643H Pneumatic Triple Eccentric Hard Seal Butterfly Valve

Product overview

Product model: D643H
Nominal diameter: DN50 ~ 1200mm
Nominal pressure: PN0.6 ~ 4.0MPa
Applicable temperature: -40 ℃~425 ℃
Applicable medium: gas, air, steam, water, sea water, oil, etc
Body material: cast steel, stainless steel, alloy steel, etc
Drive mode: manual, worm gear drive, pneumatic, hydraulic, electric, electric hydraulic linkage, etc
Design standard: GB/T12238-2008
Structure length: GB/T12221-2005
Connection standard: JB/T 79.1-1994
Pressure test: GB/T13927-2008

D643H Pneumatic Triple Eccentric Hard Seal Butterfly Valve product details

D643H Pneumatic Triple Eccentric Hard Seal Butterfly Valve product description

D643H Pneumatic Triple Eccentric Hard Seal Butterfly Valve produced and sold by Baigang valve group are widely used in petroleum, chemical, power, metallurgy, food, medicine, textile, paper and other industries can be installed in the temperature ≤ 425 ℃, the medium for gas, air, steam, water, sea water, oil Industrial pipe network for regulating the flow and cut off the media.
Drive in the form of manual, worm gear, pneumatic, hydraulic, electric, electro-hydraulic linkage and other implementing agencies, enabling long-distance control and automation. Metal seal butterfly valve products, the Department of long life, energy-saving butterfly valve. The structure of the three-dimensional schematic design of the heart, the seat with a hard and soft seal-compatible multi-level structure, exquisite workmanship, advanced technology. The product from the valve body, disc, multi-level valve seat, stem, transmission and other major components. Therefore, it is widely used in metallurgy, electric power, petroleum, chemical, air, gas, combustible gas and plumbing and other corrosive media pipeline.

D643H Pneumatic Triple Eccentric Hard Seal Butterfly Valve Features

Because this product butterfly valve is the use of three-dimensional design of the eccentric principle, so that the seal surface space trajectory idealized, the sealing surface between no friction, no interference, combined with the sealing material properly selected, so that the butterfly valve sealing, corrosion resistance , High temperature resistance and wear resistance has been a reliable guarantee. Its main features are as follows:

1, the opening torque is small, flexible and convenient, saving energy.
2, three-dimensional structure of the heart, the more close the more tight disc, the sealing performance is reliable, to no leakage.
3, high pressure, corrosion resistance, wear resistance, long life and so on.

D643H Pneumatic Triple Eccentric Hard Seal Butterfly Valve main dimensions

Nominal diameter (DN)	Main dimensions			Flange size and bolt size
	Main dimensions			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	8-18	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	12-26	555	490	16-33
400	216	1190	305	565	515	16-26	580	525	16-26	620	550	16-36
450	222	1255	350	615	565	20-26	640	585	16-30	670	600	20-36
500	229	1305	380	670	620	20-26	715	650	20-30	730	660	20-36
600	267	1340	445	780	725	20-30	840	770	20-33	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

Reminder:

All text, data and pictures in this article are for reference only.To see more details of the D643H Pneumatic Triple Eccentric Hard Seal Butterfly Valve performance parameters, structural dimension parameters, pricing, etc., or to request high quality printing samples, please Contact us.

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