Factory directly Water Heater Control Valve - Turbine Ventilation Butterfly Valve – Like Valve

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Factory directly Water Heater Control Valve - Turbine Ventilation Butterfly Valve – Like Valve Detail:

Product characteristics

1. Ventilation butterfly valve is novel and reasonable in design, unique in structure, light in weight and quick in opening and closing.

2. The butterfly valve has the advantages of small operating moment, convenient operation and smart labor-saving.

3. Using suitable materials to meet the different temperatures of low, medium and high media and corrosive media.

4. No connecting rods, bolts, etc., reliable operation, long service life, not affected by the flow direction of media.

Standard Specification for Ventilation Butterfly Valves:

Design and Manufacture Standards: GB/T 12238-1989; JB/T8692-1998

Structural Length Standard: GB/T 12221-2005

Connection Flange Standard: GB/T 9115.1

Pressure and temperature grade: GB/T 12224-2005

Test Inspection Standard: GB/T 13927-2008

Main technical parameters

Nominal diameterDN(mm)		50～2000
Nominal pressurePN(MPa)		0.05	0.25	0.6
Test pressure Ps(MPa)	strength test	0.075	0.375	0.9
	Sealing test	≤1.5％Leakage quantity
Applicable medium		Gas, dusty gas, flue gas, etc.
Driving form		Manual, Worm and Worm Wheel, Pneumatic and Electrical Drives

Material of Major Parts and Components

Part name	Material Science
valve body	Cast steel, stainless steel, chromium-nickel-molybdenum-titanium steel, chromium-molybdenum-titanium steel and other special materials
Disc	Cast steel, stainless steel, chromium-nickel-molybdenum-titanium steel, chromium-molybdenum-titanium steel and other special materials
Seal ring	Cast steel, stainless steel, chromium-nickel-molybdenum-titanium steel, chromium-molybdenum-titanium steel and other special materials
Stem	Carbon steel, 2Crl3, stainless steel, chromium-nickel-molybdenum-titanium steel
filler	Flexible graphite

Applicable temperature

Material variety	carbon steel	Low temperature carbon steel	Alloy steel		austenitic stainless steel	Chromium molybdenum steel
Code name	WCB	LCB	WC6或WC9	C5或C12	铬 Cr-18型、304、31 6	12CrMoV
Resistance to maximum temperature	425℃	345℃	595℃	650℃	600℃	560℃
Minimum Temperature Resistance	-29℃	-46℃	-29℃	-29℃	-196℃	-40℃
Applicable working temperature	≤ 25℃	≤345℃	≤595℃	≤ 650℃	≤600℃	≤560℃

Main dimensions and weights

Nominal diameter		Structural length (standard value)	Outline size (reference value)		Connection Size (Standard Value)								Reference weight (kg)
Nominal diameter		Structural length (standard value)	Outline size (reference value)		0.05MPa、0.25MPa				O．6MPa
mm	inch	L	H	H1	D	D1	D2	Z-d	D	D1	D2	Z-d
100	4	120	105	219	210	170	144	4-18	210	170	144	4-18	20
125	5	120	120	234	240	200	174	8-18	240	200	174	8-18	25
150	6	120	132	247	265	225	199	8-18	265	225	199	8-18	29
200	8	140	160	403	320	280	254	8-18	320	280	254	8-18	47
250	10	140	187	433	375	335	309	12-18	375	335	309	12-18	67
300	12	170	220	465	440	395	363	12-22	440	395	363	12-22	78
350	14	170	245	539	490	445	413	12-22	490	445	413	12-22	96
400	16	190	270	543	540	495	463	16-22	540	495	463	16-22	130
450	18	190	297	571	595	550	518	16-22	595	550	518	16-22	142
500	20	190	322	644	645	600	568	20-22	645	600	568	20-22	191
600	24	210	377	701	755	705	667	20-26	755	705	667	20-26	230
700	28	210	430	753	860	810	772	24-26	860	810	772	24-26	250
800	32	210	487	807	975	920	878	24-30	975	920	878	24-30	320
900	36	250	537	973	1075	1020	978	24-30	1075	1020	978	24-30	410
1000	40	250	587	1023	1175	1120	1078	28-30	1175	1120	1078	28-30	510
1200	48	250	687	1153	1375	1320	1280	32-30	1405	1340	1295	32-33	720
1400	56	300	760	1810	1575	1520	1480	36-30	1630	1560	1510	36-36	1270
1600	64	300	895	1815	1790	1730	1690	40-30	1830	1760	1710	40-36	1730
1800	72	300	995	1920	1990	1930	1890	44-30	2045	1970	1918	44-39	2750
2000	80	300	1095	2025	2190	2130	2090	48-30	2265	2180	2125	48-42	3050

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Factory directly Water Heater Control Valve - Turbine Ventilation Butterfly Valve – Like Valve, The product will supply to all over the world, such as: , , ,