TOZEN Lug Type Butterfly Valve

Descriptions

SPECIFICATION

FOR BS 4504 PN25 FLANGE MOUNTING
FACE-TO-FACE DIMESNION TO ISO 5752 / BS 5155 / BS EN 593
LEVER / WORM GEAR OPERATOR

PRESSURE / TEMPERATURE RATINGS

Working Pressure	25 bar
Testing Pressure	Shell : 37.5 bar Seat : 27.5 bar
Working Temperature	-20°C to 110°C (EPDM Seat) -10°C to 80°C (NBR Seat)
Suitable Media	Water, Oil & Gas

MATERIALS

Part	Material	BS
Body	Ductile Iron	Gr. 420/12
Disc	Ductile Iron Aluminum Bronze Stainless Steel 304 Stainless Steel 316	Gr. 420/12 1400 AB2 304 C15 316 C16
Seat Ring	EPDM / NBR / Viton
Shaft	Stainless Steel 431	431 S29
Taper Pins	Stainless Steel 316	316 S16
Key	Carbon Steel
O-Ring	NBR
Bushing	PTFE / Luberized Bronze

DIMENSIONS

Size mm	A mm	B mm	C mm	D mm	E mm	F mm	G mm	Cv 90°
50 65 80 100 125 150 200 250 300 350	42 45 45 52 54 56 61 66 77 77	80 89 97 114 127 140 175 203 244 269	195 208 213 234 246 259 305 338 381 -	267 267 267 267 267 267 358 358 358 -	272 287 292 310 325 338 452 485 526 556	173 173 173 173 173 173 239 239 226 226	150 150 150 150 150 150 302 302 302 302	135 220 302 600 1022 1579 3136 5340 8250 11917