S & R
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Type 460 LESER S&R pressure relief valves are designed, marked, produced and approved according to the requirements of the following regulations:
Technical Specifications for Type 460
Nominal Diameter at Inlet
DN 15 - DN 20 | 3/4" - 1"
Actual Orifice Diameter d₀
13 - 17.5 mm | 0.51 - 0.69 in
Actual Orifice Area A₀
133 - 241 mm² | 0.21 - 0.37 in²
1 - 10 bar | 14.5 - 145 psig
Temperature (in accordance with DIN EN)
up to 120 °C | up to 248 °F
1.4104 (Inlet), 0.7043 (Outlet) | 1.4104 (Inlet), Ductile Gr. 60-40-18 (Outlet)
Bellows Material (optional)
TRD 721, PED/ DIN EN ISO 4126-1, PED/ AD 2000-Merkblatt A2, EAC
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