Back check valves allow flow in only one direction and are normally closed. They are installed in liquid filling connections on stationary storage tanks, bobtail delivery trucks, and liquid transfer lines. G100 Series are offered in two styles of seat construction: metal-to-metal or soft seat. The soft seated construction is for the filling connection on bobtail delivery trucks. Because the valve gives tight shutoff, piping on the bobtail can be depressurized for maintenance without leakage.
Features
Dual Service (Brass or Steel for LP-Gas and Steel for Anhydrous Ammonia (NH3))
Two-Style Seat Construction (Soft Seat and Metal Seat)
Tight Shutoff (Soft Seat)
UL Listed
Specifications
Available Configurations
G100: 3/4 FNPT x 3/4 MNPT
G101: 1-1/4 FNPT x 1-1/4 MNPT
G102: 2 FNPT x 2 MNPT
G104: 3 FNPT x 3 MNPT
G105: 2 MNPT and 1-1/4 FNPT x 2 MNPT
G106: 2 MNPT x 3 FNPT
G107: 3 MNPT and 2 FNPT x 3 MNPT
G109: 2 FNPT x 2 FNPT
G112: 2 FNPT x 2 MNPT
Maximum Operating Pressure
250 psi / 17,2 bar
Temperature Capabilities
-20° to 160°F / -29° to 71°C
Approximate Weight
G100: 0.4 Pounds / 0,18 kg
G101: 0.9 Pounds / 0,41 kg
G102: 2.5 Pounds / 1 kg
G104: 7.2 Pounds / 3 kg
G105: 3.1 Pounds / 1 kg
G106: 7.2 Pounds / 3 kg
G107: 8.5 Pounds / 4 kg
G109: 6 Pounds / 2 kg
G112: 2.5 Pounds / 1kg
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