LER - Safety Systems UK Ltd

Safety Systems U.K. Ltd.INSTALLATION AND MAINTENANCELER/LERC LEF/LEFC NP/NPC Series Flame ArrestersInstallation & Maintenance Document No: ES/0/0/129_______________________________________________________________________________________H. SPECIAL CONDITIONS for SAFE USE.• For IIA, IIB1, IIB3, IIB & IIC hydrogen only groups the manufacturing is intended for sizesfrom DN25 (1”) to DN400 (16”) for AMAL types LEF, LEFC.• For IIA, IIB1, IIB3, IIB & IIC hydrogen only groups the manufacturing is intended for sizesfrom DN6 (1/4”) to DN400 (16”) for AMAL types LER, LERC.• For IIA, IIB1, IIB3, IIB, & IIC groups the manufacturing is intended for sizes from DN6(1/4”) to DN 50 (2”) for AMAL types NP, and NPC.High Temperature (+200 o C) ApplicationsExplosion Group Gap width Inlet SizeIIB1 (IIA) 0.8mm DN 15 – DN 600IIB (IIB3, IIB2, IIB1) 0.45mm DN 15 – DN 600IIB3 0.8mm DN 15 OnlyIIC 0.3mm DN 15 Only_________________________________________________________________________________________Manufacturer: Safety Systems UK Ltd – Amal DivisionSharp Street, WorsleyManchester M28 3NAUnited KingdomTel:Fax:E-mail:Website:00 44 161 790 774100 44 161 799 4335www.safetysystemsuk.comLER-IOM Issue 05 July 2008 Page 5 of 5