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Models 264, 265, 266, 267
Carbon steel housing with 316 SS trim (nozzle and disc), SS spring. Pressure-tight cap.
Features
- Top-guided design offers high capacity with 0.110 in² (0.710 cm²) orifice area.
- Ball bearing pivot between disc and spring corrects misalignment and compensates for spring side thrust.
- Every valve is 100% tested/inspected for pressure setting and leakage.
- Standard outlet with 1-inch female NPT.
- Optional 3/4-inch female NPT outlets.
Model 264
| Pressure Limit: | 4 to 3300 psig |
| Temperature Limit: | -20° to 550° F |
| 5 Sizes (Inlet & Outlet): | 1/2 & 3/4'' , 1/2 & 1'', 3/4 & 3/4'', 3/4 & 1'' ,1''&1'' |
Applications
- Protection of pumps, compressors, pressure vessels or systems handling corrosive fluids or vapors at high pressure and/or temperature.
- Sentinel (warning) on steam equipment.
Carbon steel housing with 316 SS trim (nozzle and disc), SS spring. Pressure-tight cap.
KUKMC-264_265_266.pdf208.69 KB 
Model 264P
| Pressure Limit: | 4 to 3300 psig |
| Temperature Limit: | -20° to 550°F |
| 5 Sizes (Inlet & Outlet): | 1/2 & 3/4'' , 1/2 & 1'', 3/4 & 3/4'', 3/4 & 1'' ,1''&1'' |
Applications
- Protection of pumps, compressors, pressure vessels or systems handling corrosive fluids or vapors at high pressure and/or temperature.
- Sentinel (warning) on steam equipment.
Same as Model 264 with pressure-tight packed lift lever.
KUKMC-264_265_266_7.pdf208.69 KB 
Model 265
| Pressure Limit: | 4 to 3300 psig |
| Temperature Limit: | -20° to 750°F |
| 5 Sizes (Inlet & Outlet): | 1/2 & 3/4'' , 1/2 & 1'', 3/4 & 3/4'', 3/4 & 1'' ,1''&1'' |
Applications
- Protection of pumps, compressors, pressure vessels or systems handling corrosive fluids or vapors at high pressure and/or temperature.
- Sentinel (warning) on steam equipment.
Same as Model 264 except high-temperature alloy spring.
KUKMC-264_265_266_1.pdf208.69 KB 
Model 265P
| Pressure Limit: | 4 to 3300 psig |
| Temperature Limit: | -20° to 750°F |
| 5 Sizes (Inlet & Outlet): | 1/2 & 3/4'' , 1/2 & 1'', 3/4 & 3/4'', 3/4 & 1'' ,1''&1'' |
Applications
- Protection of pumps, compressors, pressure vessels or systems handling corrosive fluids or vapors at high pressure and/or temperature.
- Sentinel (warning) on steam equipment.
Same as Model 265 with pressure-tight packed lift lever.
KUKMC-264_265_266_9.pdf208.69 KB 
Model 266
| Pressure Limit: | 4 to 3300 psig |
| Temperature Limit: | -320° to 550°F |
| 5 Sizes (Inlet & Outlet): | 1/2 & 3/4'' , 1/2 & 1'', 3/4 & 3/4'', 3/4 & 1'' ,1''&1'' |
Applications
- Protection of pumps, compressors, pressure vessels or systems handling corrosive fluids or vapors at high pressure and/or temperature.
- Sentinel (warning) on steam equipment.
Same as Model 264 except all 316 SS materials.
KUKMC-264_265_266_3.pdf208.69 KB 
Model 266P
| Pressure Limit: | 4 to 3300 psig |
| Temperature Limit: | -320° to 550°F |
| 5 Sizes (Inlet & Outlet): | 1/2 & 3/4'' , 1/2 & 1'', 3/4 & 3/4'', 3/4 & 1'' ,1''&1'' |
Applications
- Protection of pumps, compressors, pressure vessels or systems handling corrosive fluids or vapors at high pressure and/or temperature.
- Sentinel (warning) on steam equipment.
Same as Model 266 with pressure-tight packed lift lever.
KUKMC-264_265_266_11.pdf208.69 KB 
Model 267
| Pressure Limit: | 4 to 3300 psig |
| Temperature Limit: | -320° to 750°F |
| 5 Sizes (Inlet & Outlet): | 1/2 & 3/4'' , 1/2 & 1'', 3/4 & 3/4'', 3/4 & 1'' ,1''&1'' |
Applications
- Protection of pumps, compressors, pressure vessels or systems handling corrosive fluids or vapors at high pressure and/or temperature.
- Sentinel (warning) on steam equipment.
Same as Model 266 except high-temperature alloy spring.
KUKMC-264_265_266_5.pdf208.69 KB 
Model 267P
| Pressure Limit: | 4 to 3300 psig |
| Temperature Limit: | -320° to 750°F |
| 5 Sizes (Inlet & Outlet): | 1/2 & 3/4'', 1/2 & 1'', 3/4 & 3/4'', 3/4 & 1'',1''&1'' |
Application
- Protection of pumps, compressors, pressure vessels or systems handling corrosive fluids or vapors at high pressure and/or temperature.
- Sentinel (warning) on steam equipment.
Same as Model 267 with pressure tight packed lift lever.
KUKMC-264_265_266_13.pdf208.69 KB 