Spesifikasi Keystone Butterfly Valve GR Series
Keystone Resilient Seated Butterfly Valve Type Type GRW/GRL
Type GRW as Wafer and Type GRL as Lug
Body : Duclite Iron ASTM A536 Gr 65-45-12
Disc : Super Duplex/ SS 316/ SS 314
Seat : EPDM, NBR, HNBR
Bushing : Polyester
Plug : Carbon Steel
Ukuran
for GRW : DN 50 80 100 150 200 300 350 400 450 500 600 700 900 mm
for GRL : DN 50 80 100 150 200 300 350 400 450 500 600 750 900 mm
PRODUCT INFO
KEYSTONE Butterfly Valves
A heavy duty industrial resilent seated butterfly valve
GRW-Wafer Body Design
GRL-Lugged Body Design
Features
- Wafer and lugged body design with face to face dimension, according to EN 558 series 20 and API 609
- Design according to EN 593 and API 609
- The seatis field replaceable and fully isolates the body and shaft from the flow
- Primary shaft sealing exceeds the pressure rating of thevlve snd prvents leakage
- Available approvats NSF/ASME std 61, ACS, KIWA, WRAS-G, ABS, CU-TR
Technical Data
Size : DN 50-900
Pressure : 16 bar DN 50-300
10 bar DN 350-900
Temperature : -40 C to +160 C
End of line : 10 bar DN 50-300
6 bar DN 350-900
Vacuum service : 0.4 bar
Flange Accommodation : PN 6/10/16, ASME 125/150,JIS 10 K,BS Table E,AS4087 PN 16
General Application
water,air,dry bulk conveyingetc. These valves are for any service where a drop-tight shut-off with maximum flow area is required
