ER/V-F
Pressure Relief Valve

Features
10% Technology
Extreme Tightness
Optimal Pressure Maintenance
Flow Capacity
Guided Valve Pallet
Used in Explosion Hazardous Areas
Sturdy Housing Design
Spring-Loaded
API Tanks

Highly Developed Pressure Relief Valve

Full Lift Technology

Advanced Manufacturing Technology
Dimensions
To select the nominal size Nominal size The nominal size is an alphanumeric designation of size for components in a piping system, used for reference purposes, comprising the letters DN followed by a dimensionless integer that is indirectly related to the physical size of the bore or outside diameter of the connections, expessed in millimeters. (DN), use the flow capacity chart on the following page
| DN | 200 / 8" | 250 / 10" | 300 / 12" | 350 / 14" | 400 / 16" | 450 / 18" | 500 / 20" | 600 / 24" | 700 / 28" |
| a | 465 / 18.31 | 550 / 21.65 | 650 / 25.59 | 650 / 25.59 | 800 / 31.50 | 800 / 31.50 | 1000 / 39.37 | 1000 / 39.37 | 1200 / 47.24 |
| b | 860 / 33.86 | 860 / 33.86 | 1170 / 46.06 | 1170 / 46.06 | 1150 / 45.28 | 1175 / 46.26 | 1430 / 56.30 | 1425 / 56.10 | 1690 / 66.54 |
| (≤370 mbar) | (≤240 mbar) | (≤240 mbar) | (≤270 mbar) | (≤220 mbar) | (≤170 mbar) | (≤130 mbar) | (≤140 mbar) | (≤140 mbar) | |
| (≤148 inchW.C.) | (≤96 inchW.C.) | (≤96 inchW.C.) | (≤108 inchW.C.) | (≤88 inchW.C.) | (≤68 inchW.C.) | (≤52 inchW.C.) | (≤56 inchW.C.) | (≤56 inchW.C.) | |
| b | 980 / 38.58 | 980 / 38.58 | 1490 / 58.66 | 1490 / 58.66 | 1490 / 58.66 | 1515 / 59.65 | 1660 / 65.35 | 1655 / 65.16 | 1910 / 75.20 |
| (>370 mbar) | (>240 mbar) | (>240 mbar) | (>270 mbar) | (>220 mbar) | (>170 mbar) | (>130 mbar) | (>140 mbar) | (>140 mbar) | |
| (>148 inchW.C.) | (≤96 inchW.C.) | (≤96 inchW.C.) | (≤108 inchW.C.) | (≤88 inchW.C.) | (≤68 inchW.C.) | (≤52 inchW.C.) | (≤56 inchW.C.) | (≤56 inchW.C.) |
Dimensions in mm / inches
Material selection
| Design | A | B |
| Housing | Steel | Stainless Steel |
| Valve seat Valve seat The valve seat is a component on which the valve pallet rests when the valve is closed. | Stainless Steel | Stainless Steel |
| Valve pallet | Stainless Steel or Steel-Stainless Steel | Stainless Steel |
| Sealing | FPM | FPM |
| Weight | Steel | Stainless Steel |
Special materials upon request
Flange connection type
| EN 1092-1; Form B1 |
| ASME B16.5 CL 150 R.F. |
other types upon request
Design Types and Specifications
The valve pallet is spring Spring A spring is a spiral of wire which returns to its original shape after it is pressed or pulled. -loaded. Lower pressures are achieved with the ER-V-LP, ER/V and ER/VH designs.Additional special devices available upon request.
Settings
| >+60 mbar | +500 mbar | |
| >+24 inch W.C. | +200 inch W.C. |
Higher pressure settings, upon request. Lower pressure settings, see types ER-V-LP, ER/V and ER/VH.
Flow Capacity Chart

The flow capacity charts have been determined with a calibrated and TÜV certified flow capacity test rig. Volume flow V in (m³/h) and CFH refer to the standard reference conditions of air ISO 6358 (20°C, 1bar). For conversion to other densities and temperatures refer to Sec. 1: “Technical Fundamentals”.








