1151 lt type flange level transmitter 1151 lt type flange level transmitter installation standard according to the ANSI flange, flange a 3 'and 4' specifications, Flange rating is divided into 150 lb (2.5 MPa) and 300 lb (5.0 MPa), flange installation size see below chart .If the user the GB9116-88 standard, DN = 80, 100, the PN = 2 mpa please indicate. Liquid membrane material with 316 l, hartz C - 276, monel, tantalum, etc.The user does not specify, in 3 '150 lb installed flange and the liquid membrane materials 316 l.