BW three eccentric butterfly valve
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BW three eccentric butterfly valve

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BW three eccentric butterfly valve is metal hard seal design, BW is butt welded for connecting the pipe without matching flanges.

Features:
1) Design and manufacture standards:
a) Wafer and lug: API 609, EN593, DIN 3354
b) Flange and weld: BS5155 / EN598
2) Inspection and test standards: API 598, DIN3230, BS5146
3) F-to-F:
a) Wafer and lug: API609, DIN 3202 K2
b) Flange: ISO 5752
4) End flange dimension: ASME B16.5 (for NPS not more than 24"), ASME B16.47 series B, API 605,
ASME B16.47 series A (for NPS> 24"), or BS EN 1092
5) Top flange: ISO5211
6) Connecting: wafer, lug, flange or weld
7) Size: 2" - 120", DN50 - DN3000
8) Pressure: Class 125 - Class 600, PN6 - PN100
9) Temperature: -20OC - 400OC
10) Body: cast iron / ductile iron / WCB / 316 / 304
11) Disc: ductile iron / WCB / 316/ CF8 / CF8M
12) Stem: 13%Cr / 316 / 304 / SS17-4PH
13) Seal: laminated metal seal, U-type metal seal
14) Operation: lever, worm gear, pneumatic, electric, hydraulic or pneumatic-hydraulic
actuator
15) Property: longer service life and high temperature and pressure
16) Widely used in foodstuff, beverage, pharmaceutics, boiler, oil refining, chemical
machinery industries, chemical and petrochemical processing, power generating
plants, pulp and paper manufacturing processing, desalination, steelmaking, coal
and mining industries
Outer packing: Wooden case



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