Double Seal Vacuum Butterfly Valve supplier in china

Double Seal Vacuum Butterfly Valve supplier in china

1.SD943H electric telescopic butterfly valve（description）

Electric expansion butterfly valve is suitable for temperature ≤80℃, nominal pressure ≤1.6MPa food, medicine, chemical industry, petroleum, electric power, textile, papermaking and other water supply and drainage, gas pipeline as a regulation of flow and interception medium, with the function of compensation pipeline thermal expansion and cold contraction

(1).novel design, reasonable, unique structure, light weight, easy operation, quick opening and closing;

(2).The electric telescopic butterfly valve can not only adjust and intercept the flow and compensate the thermal expansion and cold contraction caused by the temperature difference of the pipeline, but also provide convenience for the installation, replacement and maintenance of the valve.

(3).The sealing part can be adjusted and replaced, and the sealing performance is reliable.

2. SD943H Electric Telescopic Butterfly Valve Standards:

Design standard：GB/T12238-1989；JB/T8527-1997

Flange connection dimensions：GB/T9113.1-2000；GB/T9113.2-2000

GB/T9115.1-2000；GB/T9115.2-2000

Structure length：GB/T12221-1989

Pressure testing：GB/T13927-1992；JB/T9092-1999

3. SD943H electric telescopic butterfly valve actuator:

CH series features:

(1).Strong function: intelligent type, regulating type, switching type.

(2). Compact size: the volume is only about 35% of similar products.

(3).Easy to use: single-phase power supply, simple wiring; The spherical convex structure is adopted to make the observation more convenient; No refueling, no point inspection, waterproof and rust proof, arbitrary Angle installation.

(4).The protection device has double limit, overheat protection and overload protection. The total travel time is 15 seconds, 30 seconds, 45 seconds, 60 seconds. And with manual function.

(5).Intelligent numerical control: the built-in module adopts advanced computer chip and intelligent control software to directly receive the standard signal output by computer or industrial instrument (4-20mA DC /1-5VDC) to realize the intelligent control and accurate positioning of valve opening.

3810 series or NA series electronic Angle stroke actuators are also available. PSQ series or DYR series are also available. ≥DN 200 diameter valves generally use 380VAC electric actuators. Domestic brands such as Rickey, Aoke, Yangzhou Electric power, Tiantong, Lanling, etc.; Foreign brands are British Rotok, France Bernard, Germany Ouma, Germany Sibo Si (Siemens) and so on.

4. SD943H Electric Telescopic Butterfly Valve Main technical parameters:

Nominal diameter	DN（mm）	50～2000
Nominal pressure	PN（MPa）	0.6	1.0	1.6
Test pressure	Strength test	0.9	1.5	2.4
	Seal test	0.66	1.1	1.76
	气Air seal test	0.6	0.6	0.6
Applicable temperature	≤80℃
Applicable medium	Air, water, steam, gas, oil, etc.
Drive mode	Manual, worm gear drive, gas drive, electric drive.

5. SD943H Electric Telescopic Butterfly Valve Main parts and materials:

Components name	Material
Valve body	Cast iron、Cast steel、Stainless steel、Hascrome、Alloy steel
Butterfly plate	Cast steel、Stainless steel、Hascrome、Alloy steel
Seal circle	Rubber, PTFE, polyester, stainless steel
Valve rod	2Cr13, stainless steel,hascrome
Drawtube	Cast iron, cast steel, stainless steel,hascrome
Padding	Flexible graphite

6. SD943H Electric Telescopic Butterfly Valve Main Dimensions:

Nominal diameter	External Dimensions (reference values)							Flange dimensions and bolt hole dimensions (standard values)
	H	H1	Design big length	Design minimum length	Design length	A	B	0.6MPa				1.0MPa				1.6MPa
Millimeter								D	D1	D2	n-d	D	D1	D2	n-d	D	D1	D2	n-d
50	80	309	186	156	171	180	200	140	110	88	4-14	165	125	99	4-18	165	125	99	4-18
65	95	337	190	160	175	180	200	160	130	108	4-14	185	145	118	4-18	185	145	118	4-18
80	98	347	198	166	182	180	200	190	150	124	4-18	200	160	132	8-18	200	160	132	8-18
100	114	373	228	188	208	180	200	210	170	144	4-18	220	180	156	8-18	220	180	156	8-18
125	128	405	240	201	220	180	200	240	200	174	8-18	250	210	184	8-18	250	210	184	8-18
150	139	440	246	206	226	270	280	265	225	199	8-18	285	240	211	8-22	285	240	211	8-22
200	174	612	265	219	242	400	425	320	280	254	8-18	340	295	266	8-22	340	295	266	12-22
250	215	693	295	240	267	400	425	375	335	309	12-18	395	350	319	12-22	405	355	319	12-26
300	245	747	308	254	282	450	560	440	395	363	12-22	445	400	370	12-22	460	410	370	12-26
350	270	802	327	272	300	450	560	490	445	413	12-22	505	460	429	16-22	520	470	429	16-26
400	305	991	368	308	338	535	580	540	495	463	16-22	565	515	480	16-26	580	525	480	16-30
450	325	1037	370	310	340	535	580	595	550	518	16-22	615	565	530	20-26	640	585	548	20-30
500	360	1127	392	332	362	535	580	645	600	568	20-22	670	620	582	20-26	715	650	609	20-33
600	445	1377	441	375	408	570	660	755	705	667	20-26	780	725	682	20-30	840	770	720	20-36
700	505	1496	460	400	430	750	550	860	810	772	24-26	895	840	794	24-30	910	840	794	24-36
800	560	1584	499	445	475	750	550	975	920	878	24-30	1015	950	901	24-33	1025	950	901	24-39
900	630	1676	520	460	490	750	550	1075	1020	978	24-30	1115	1050	1001	28-33	1125	1050	1001	28-39
1000	680	1760	600	530	565	900	750	1175	1120	1078	28-30	1230	1160	1112	28-36	1255	1170	1112	28-42
1200	795	2018	675	571	623	1000	925	1405	1340	1295	32-33	1455	1380	1328	32-39	1485	1390	1328	32-48
1400	900	2363	760	683	722	1000	925	1630	1560	1510	36-36	1675	1590	1530	36-42	1685	1590	1530	36-48
1600	1100	2723	860	770	815	1000	925	1830	1760	1710	40-36	1915	1820	1750	40-48	1930	1820	1750	40-56
1800	1124	2844	930	830	880	1100	980	2045	1970	1718	44-39	2115	2020	1950	44-48	2130	2020	1950	44-56
2000	1292	3127	1020	920	970	1100	980	2265	2180	2125	48-42	2325	2230	2150	48-48	2345	2230	2150	48-62