LGS Safety Relief Valves
Multi-purpose valves suitable for Liquid, Gas and Steam applications.
All our Valves are available from DN15 to DN65 (1/2" to 2 1/2" BSP Female Connections)
Pressure range is 0.2 to 24 bar g. (depending on seal and duty)
The LGS range is now UKCA approved and marked.
Both the PTFE and EPDM sealed LGS Valves have WRAS approval.
Also LGS Valves have KUKreg4 approval. Regulation 4(1)a of the Water Supply (Water Fittings) Regulations 1999 England & Wales: 2009 Northern Ireland and 2014 Byelaws Scotland).
Part Number | Inlet Connection | Range (Bar) | DN | Material | Fitting | Seal |
| L3615A3277 | 1/2" BSP Female | 0.2 to 24 | 15 | Bronze | Open Leaver | PTFE |
| L3620A3307 | 3/4" BSP Female | 0.2 to 24 | 20 | Bronze | Open Leaver | PTFE |
| L3625A3337 | 1" BSP Female | 0.2 to 24 | 25 | Bronze | Open Leaver | PTFE |
| L3632A3367 | 1 1/4" BSP Female | 0.2 to 24 | 32 | Bronze | Open Leaver | PTFE |
| L3640A3397 | 1 1/2" BSP Female | 0.2 to 24 | 40 | Bronze | Open Leaver | PTFE |
| L3650A3427 | 2" BSP Female | 0.2 to 24 | 50 | Bronze | Open Leaver | PTFE |
| L3665A3517 | 2 1/2" BSP Female | 0.2 to 24 | 65 | Bronze | Open Leaver | PTFE |
| L3615A1277 | 1/2" BSP Female | 0.2 to 24 | 15 | Bronze | Sealed Cap | PTFE |
| L3620A1307 | 3/4" BSP Female | 0.2 to 24 | 20 | Bronze | Sealed Cap | PTFE |
| L3625A1337 | 1" BSP Female | 0.2 to 24 | 25 | Bronze | Sealed Cap | PTFE |
| L3632A1367 | 1 1/4" BSP Female | 0.2 to 24 | 32 | Bronze | Sealed Cap | PTFE |
| L3640A1397 | 1 1/2" BSP Female | 0.2 to 24 | 40 | Bronze | Sealed Cap | PTFE |
| L3650A1427 | 2" BSP Female | 0.2 to 24 | 50 | Bronze | Sealed Cap | PTFE |
| L3665A1517 | 2 1/2" BSP Female | 0.2 to 24 | 65 | Bronze | Sealed Cap | PTFE |
| L3615A3276 | 1/2" BSP Female | 0.2 to 24 | 15 | Bronze | Open Leaver | EPDM |
| L3620A3306 | 3/4" BSP Female | 0.2 to 24 | 20 | Bronze | Open Leaver | EPDM |
| L3625A3336 | 1" BSP Female | 0.2 to 24 | 25 | Bronze | Open Leaver | EPDM |
| L3632A3366 | 1 1/4 " BSP Female | 0.2 to 24 | 32 | Bronze | Open Leaver | EPDM |
| L3640A3396 | 1 1/2" BSP Female | 0.2 to 24 | 40 | Bronze | Open Leaver | EPDM |
| L3650A3426 | 2" BSP Female | 0.2 to 24 | 50 | Bronze | Open Leaver | EPDM |
| L3665A3516 | 2 1/2" BSP Female | 0.2 to 24 | 65 | Bronze | Open Leaver | EPDM |
| L3615A1276 | 1/2" BSP Female | 0.2 to 24 | 15 | Bronze | Sealed Cap | EPDM |
| L3620A1306 | 3/4" BSP Female | 0.2 to 24 | 20 | Bronze | Sealed Cap | EPDM |
| L3625A1336 | 1" BSP Female | 0.2 to 24 | 25 | Bronze | Sealed Cap | EPDM |
| L3632A1366 | 1 1/4" BSP Female | 0.2 to 24 | 32 | Bronze | Sealed Cap | EPDM |
| L3640A1396 | 1 1/2" BSP Female | 0.2 to 24 | 40 | Bronze | Sealed Cap | EPDM |
| L3650A1426 | 2" BSP Female | 0.2 to 24 | 50 | Bronze | Sealed Cap | EPDM |
| L3665A1516 | 2 1/2" BSP Female | 0.2 to 24 | 65 | Bronze | Sealed Cap | EPDM |
DN32 LGS Relief Valve L3632A1366
SKU: L3632A1366
32mm Nominal Bore Single Trim Enclosed Discharge Relief Valve for Liquid, Gas & SteamNotes:Maximum Pressure when used on saturated steam us 14.00 bar g. (203 psi g.)Overpressure = Set pressure +10...
DN40 LGS Relief Valve L3640A1396
SKU: L3640A1396
40mm Nominal Bore Single Trim Enclosed Discharge Relief Valve for Liquid, Gas & SteamNotes:Maximum Pressure when used on saturated steam us 14 bar g. (203 psi g.)Overpressure = Set pressure +10% (...
DN50 LGS Relief Valve L3650A1426
SKU: L3650A1426
50mm Nominal Bore Single Trim Enclosed Discharge Relief Valve for Liquid, Gas & SteamNotes:Maximum Pressure when used on saturated steam us 14 bar g. (203 psi g.)Overpressure = Set pressure +10% (...
DN65 LGS Relief Valve L3665A1516
SKU: L3665A1516
50mm Nominal Bore Single Trim Enclosed Discharge Relief Valve for Liquid, Gas & SteamNotes:Maximum Pressure when used on saturated steam us 14.00 bar g. (203 psi g.)Overpressure = Set pressure +10...