Ningbo Valve Factory

Butterfly Valves

	High Performance Butterfly Valve

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Origin	China
Model Number	D373

1) Design and manufacture standards: API 609
2) Inspection and test standards: API 598
3) Face-to-face: API609
4) End flange dimension: ASME B16.5 (for NPS<24") , ASME B16.47 series B, API
605, ASME B16.47 series A (for NPSyy24"), BSEN 1092
5) Top flange: ISO5211
6) Connecting: wafer or lug
7) Size: 1-1 / 2" - 72"
8) Class: 150-300lb
9) Temperature: -20째C - 120째C
10) Body: WCB / 316 / 304
11) Disc: WCB / 316 / 304 / CF8 / CF8M
12) Stem: 13%Cr / 316 / 304 / SS17-4PH
13) Seat: high performance composite material (polymer)
14) Operation: lever, worm gear, pneumatic, electric, hydraulic or pneumatic-hydraulic
actuator
15) Property: tight shut-off in either direction, offset shaft and triple eccentric disc,
longer service life with less maintenance
16) Widely used in oil refining, chemical machinery industries, chemical and
petrochemical processing, power station, pulp and paper manufacturing
processing, desalination, steelmaking, coal and mining industries

Outer packing:
Wooden case