Extraction check valve

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Extraction check valve

Model: H664Y
Nominal diameter: DN50 ~ 1000mm
Nominal pressure: PN1.0 ~ 10.0MPa
Operating temperature: ≤550 ℃
Main material: WCB, WC6, WC9
Design Standard: API 6D , BS 1868, GB / T 12235, GB / T 12236, JB / T 8937
Structure length: ASME B16.10, API 6D, GB / T 12221
Connection standards: ASME B16.5, ASME B16.47, ASME B16.25 , GB / T 9113, JB / T 79, HG / T 20592
Pressure test: API 598, API 6D, GB / T 13927, GB / T 26480
Pressure and temperature levels: ASME B16.34, GB / T 12224

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產(chǎn)品詳細(xì)

First, H664Y extraction check valve purposes
The extraction check valve is mainly used for steam turbine power plant steam extraction system to prevent the media or water back to the turbine pumps and other important facilities play a protective role, the performance requirements for the pipeline medium Back flow, power outages, accidents and other abnormal state, the valve instantly shut down, close time is less than 0.5 seconds.

Second, H664Y pumping check valve performance specifications
1, the nominal pressure:

Nominal pressure	1.0 ~ 2.5	4.0 ~ 6.4	10.0
Nominal diameter	50 ~ 1000	50 ~ 400	80 ~ 350

2, the medium: water, steam, air, oil
3, the working temperature:

The main material	WCB	WC6	WC9
Operating temperature	≤425 ℃	≤540 ℃	≤550 ℃

Third, H664Y suction check valve main dimensions

H664H-10
DN	L	D	D1	D2	H	H1	H2	H3	L1	W (kg)
450	740	428	476	630	990	425	510	755	486	620
500	790	468	520	658	990	470	545	852	554	759
700	1040	682	747	845	990	560	625	1240	820	1258
800	1295	780	842	995	1257	650	645	1348.3	928	1788
1000	1600	1110	1150	1230	1700	850	745	1840	1040	4800