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Check Valves
Check Valves, Rough Brass UL/ULc Listed
and FM Approved
*
Check valves feature cast brass* bodies with a spring loaded
clapper assembly making this valve suitable for vertical or
horizontal installations. Features metal faced clapper with O-ring
seat. Rated to 300 psi. Valve bodies are tapped and plugged ½” IPS
for additional equipment such as a ball drip valve when used in
conjunction with a Fire Department Connection or a pressure gauge
when used in a supply line.
Specifications
• Rated Pressure: 300 PSI
Materials
Part Specification
1. Body Cast Brass*
2. Clapper Brass* ASTM c37700
3. Pin Brass* ASTM c86300
4. Spring Stainless Steel
5. O-Ring NBR1052
6. Threaded Port Brass* NPT Plug
¼” on 1½” - 3” valves
½” on 4” valves
NOTE: DO NOT OVER TIGHTEN THREADED CONNECTIONS.
OVERTIGHTENING MAY CAUSE DISTORTION OF THE BODY AND
THREADS OF THE VALVE LEADING TO IMPROPER PERFORMANCE
AND PRODUCT FAILURE.
*Contains lead. Not for use in water systems intended for human consumption.
*1½” size is UL/ULc listed but not FM approved
09-572-00
WIDTH
LENGTH
Part No. Description
Size L W
Material
in in mm in mm
09-574-00 MNPT X GRV 1½* 6 15/16 176 4 1/8 105 Cast Brass
09-575-00 MNPT X FNPT 1½* 6 1/16 154 4 1/8 105 Cast Brass
09-576-00 GRV X GRV 1½* 6 15/16 176 4 1/8 105 Cast Brass
09-577-00 FNPT X FNPT 1½* 5 9/16 150 4 1/8 105 Cast Brass
09-568-00 MNPT X GRV 2 6¼ 157 4 1/8 105 Cast Brass
09-570-00 MNPT X FNPT 2 5¾ 146 4 1/8 105 Cast Brass
09-572-00 GRV X GRV 2 6¼ 157 4 1/8 105 Cast Brass
09-562-00 MNPT X GRV 2½ 6 15/16 176 4 1/8 105 Cast Brass
09-564-00 MNPT X FNPT 2½ 6¼ 159 4 1/8 105 Cast Brass
09-566-00 GRV X GRV 2½ 6 15/16 176 4 1/8 105 Cast Brass
09-556-00 MNPT X GRV 3 6 13/16 173 5 1/8 128 Cast Brass
09-558-00 MNPT X FNPT 3 6 5/8 167 5 1/8 128 Cast Brass
09-560-00 GRV X GRV 3 6 13/16 173 5 1/8 128 Cast Brass
09-550-00 MNPT X GRV 4 8 1/8 206 5 5/8 142 Cast Brass
09-552-00 MNPT X FNPT 4 8 202 5 5/8 142 Cast Brass
09-554-00 GRV X GRV 4 8 202 5 5/8 142 Cast Brass
*1½” size is UL/ULc listed but not FM approved