Nominal Pressure(Mpa)              2.5  4.0  6.4                   10

Working Pressure(Mpa)              1.6  2.5  4.0                   6.4

Working Temperature:Saturation temperature

Visual length(mm)                  200-1400-2300                    340-500

Water steam interface center distance(mm) 400-1800-3000                   600, 800

Remark:over 1800 are of multi-section combination type

Outside gauge of glass tube(mm) φ29 for double-color       φ20for single-color

Water steam interface flange standard JB/T81-94 DN25  JB/T82.1-94 DN25 JB/T82.2-94 DN25

Light source(Not light source for single-color) Incandescent light220v/60W or 100W Semiconductor lightener group