KEYSTONE Soft Seated Butterfly Valve Series GRF
A heavy duty double flanged concentric design resilient seated butterfly valve.
![[Translate to English:] GRF](/fileadmin/user_upload/Homepage%202018/10_Produkte/01_Armaturen/02_Absperrklappen/01_Keystone%20%28Emerson%29/Fotos/KL_KEY_PIC_GRF.png "[Translate to English:] KEYSTONE weichdichtende Absperrklappe Serie GRF")
Documentation
Technical Data
Nominal sizes
DN 600 - 1800
Max. operating pressure
6 bar / 10 bar
Temperature range
-40°C to +160°C
Connections
DIN PN 10
ASME 125 / 150
JIS 10K
Face to Face
EN 558 Series 20 and API 609
