Instruction manual

13
ValVes and Relief ValVes QuicK selecTion guides
BACK CHECK
VALVES
SEAT
CONSTRUCTION
PRESSURE
RATING
CAPACITY*
TYPE
NUMBER
250 psi /
17.2 bar
400 psig /
27.6 bar WOG
254 GPM /
961 l/min
Propane
Up to 1620 GPM /
6132 l/min
Propane
Soft Seat and
Metal Seat
Soft Seat
G100 Series
Page 70
G200 Series
Page 70
Up to 1620 GPM /
*See capacity tables in the following sections for expanded rating information.
EMERGENCY
SHUTOFF VALVES
BODY SIZES AND END
CONNECTION STYLE
MAXIMUM INLET
PRESSURE
CAPACITY*
TYPE
NUMBER
400 psig /
27.6 bar
400 psig /
27.6 bar
up to 850 GPM /
3127 l/min
Propane
200 GPM /
757 l/min
Propane
1-1/4, 2, or
3-inch FNPT
2-inch FNPT
N550 Series
Page 61
N562 Series
Page 63