Lug Type Butterfly Valves

Nova Valves, is one of the leading and trusted manufacturer of high quality Lug Type Butterfly Valves. Our Lug Type Butterfly Valves are highly recommended in Industrial Use and, Commercial Use.

Size Table - SE/LUG-BFV-G/500-600

SIZE A CATEGORY-A A CATEGORY-B B C D E F G FLANGE MOUNTING (I.S.O 5211)
MM INCH FACE TO FACE FACE TO FACE
150# 300#
500 20" 127 127 159 465 405 470 370 500 26 F16
600 24" 154 154 181 540 460 570 350 600 26 F16
NOTE :- M,N,O AS PER REQUIREMENT

Material Description

NO PARTS NAME MATERIALS
1 BODY CAST IRON/CAST STEEL/S.S.304-316
2 DISC CAST IRON/CAST STEEL/S.S.304-316
3 SPINDLE SS 410/304/316
4 BODY LINING NITRILE/E.P.D.M./SILICON/VITON/HYPALON
5 'O' RING NITRILE/E.P.D.M.
6 PIN S.S.304/316
7 GEAR BOX CAST IRON
8 HAND WHEEL M.S. FABRICATED

SEAT TEMPERATURE RANGE

SEAT TYPE TEMPERATURE RANGE
Min. Max.
NITRILE -13°F(-25°C) 212°F(100°C)
EPDM -13°F(-25°C) 250°F(120°C)
SILICON -58°F(-50°C) 356°F(180°C)
VITON -23°F(-5°C) 392°F(200°C)
HYPALON -4°F(-20°C) 250°F(120°C)

TESTING

PRESSURE RATING HYDROSTATIC SHELL TEST HYDROSTATIC SEAT TEST
Kg/CM2 PSI Kg/CM2 PSI
PN16 22 310 16 225
PN10 15 210 10 140

CONFORMITY TO CODES & STANDARDS

1 GENERAL DESIGN & MANUFACTURE :- BS 5155 / API 609 / EN 593 / IS 13095
2 VALVE FACE TO FACE DIMENSION :- BS 5155 / ISO 5752 / API 609
3 TOP FLANGE DRILLING :- ISO 5211
4 VALVE INSPECTION & TESTING :- BS 6755 PART - I / API 598 / EN 12266-1
5 FLANGE STANDARD CONFORMITY :- ANSI 150 / ANSI 125 / BS 10 TAB D & E
    IS 6392 NP 0.6 / 1.0 / 1.6