Relief Valves
Relief Valves
| Max. | Max. | ||||
|---|---|---|---|---|---|
| MODEL | GPM | PSI | Inlet | Outlet | Bypass |
UD500F![]() |
7 | 500 | 3/8" FNPT | * | 3/8" FNPT |
UD550F![]() |
7 | 1000 | 3/8" FNPT | * | 3/8" FNPT |
UD555F![]() |
7 | 2000 | 3/8" FNPT | * | 3/8" FNPT |
UD555FSS![]() |
7 | 2000 | 3/8" FNPT | * | 3/8" FNPT |
UD555FT![]() |
7 | 2000 | 3/8" FNPT | 3/8" FNPT | 3/8" FNPT |
SV220![]() |
7 | 3500 | 3/8" FNPT | 3/8" FNPT | 3/8" FNPT |
SV350![]() |
7 | 5600 | 3/8" FNPT | 3/8" FNPT | 3/8" FNPT |
UD600F![]() |
35 | 2500 | 3/4" FNPT | * | 1/2" FNPT |
SV500![]() |
21 | 8100 | 1/2" FNPT | * | 3/8" FNPT |
6005.14![]() |
64 | 1000 | 3/4" Male Metric | * | 1-1/4" Hose Barb |
6005.14/N![]() |
64 | 1000 | 3/4" MNPT | * | 1-1/4" Hose Barb |
6005.15![]() |
45 | 1000 | 3/4" Male Metric | * | 1" Hose Barb |
6005.15/N![]() |
45 | 1000 | 3/4" MNPT | * | 1" Hose Barb |
6005.31![]() |
30 | 600 | 3/4" Male Metric | * | 3/4" Hose Barb |
6005.31/N![]() |
30 | 600 | 3/4" MNPT | * | 3/4" Hose Barb |
UD 3/4"-300![]() |
30 | 300 | 3/4" MNPT | * | 3/4" FNPT |
15-2740![]() |
80 | 300 | 1-1/4" MNPT | * | 1-1/4" FNPT |
1238.N4![]() |
40 | 400 | 3/4" MNPT | * | 3/4" Hose Barb |
UD3/4"-250/P![]() |
30 | 250 | 3/4" MNPT | * | 3/4" FNPT |
Thermal Relief Valves

| Model | Description |
|---|---|
| 9520.01 | 3/8" MNPT Thermal Relief Valve. Opens at 145° F |
| 9520.02 | 1/2" MNPT Thermal Relief Valve. Opens at 145° F |
Relief Valve Repair Kits
| Model | Description |
|---|---|
| UD555/K | Repair kit for UD500, UD550 & UD555 Relief Valves |
| 8701.03 | Repair kit for 6005.14, 6005.14/N & 6005.15, 6005.15/N Relief Valves |
| 8701.25 | Repair kit for 6005.31 & 6005.31/N Relief Valves |
| 1238.N4/K | Repair kit for 1238.N4 Relief Valve |
Pricing and specifications subject to change without notice.




















