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/BFV/40-65

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#
40 1 1/2" 36 - - 112 52 20 65 180 15 F05
50 2" 43 - - 118 65 28 65 180 15 F05
65 2 1/2" 46 - - 125 68 48 65 180 15 F05
80 3" 46 48 48 134 76 67 65 215 15 F05
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 LEVER 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


 

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 LEVER M.S. FABRICATED

Size Table

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#
100 4" 52 54 54 156 106 88 65 215 15 F05
125 5" 56 57 59 187 125 114 65 265 15 F05
150 6" 56 57 59 200 134 142 65 265 15 F05
200 8" 60 64 73 230 165 194 75 325 15 F07

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

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)

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