Product Name: En837-1 Manometer with Glycerine Oil Filled Dia. 63mm Model NO.: PG-04 Indicating Pressure Reference: General Pressure Gauge Features of Measurement Medium: General Pressure Gauge Installation Structure: Convex Function: Local Indication Type Connection Type: Radial Direction Structure: Spring Pressure Gauge Application: Industrial Display: Pointer Accuracy: 2.5 Type: General Pressure Gauge Measuring Range: Medium-pressure Gauge Case Material: Stainless Steel Case Trademark: KB Transport Package: White Box, Then in Carton Specification: CE Origin: Jiangsu Changzhou HS Code: 90262090 Product Description pressure gauge, glycerine oil filledDial:Dial: 2.5"(63mm),3"(75mm),4"(100mm)Case: St.St.304Bezel: Crimped St.st.304 or Bayonet St.St.304Window:plexiglassMovement: BrassBurdon tube: Phosphor bronzeLiquid filled: glycerine fillableConnection:BM (bottom connection) BMR(bottom connection with rear flange) BK(central back connection) BKF(central back connection with front flange) LBK(low back connection) LBKF(low back connection with front flange)Accuracy:1.6% or 1%Thread:1/4"BSP,3/8"BSP,1/2"BSP brassRange: 0+1, 0+4,0+100+6.0+25,0+100, -1+0 Bar & Psi, or according to customer's requirment