. Thread: BSP, NPT, BSPT, PT, ZG,and other special specification
. Bourdon Tube: Phosphor bronze or Stainless Steel material
. Case : Black steel with rubber protector
. Bezel: Black steel press-on bezel
. Window: Plasitic or glass lens
. Dial Plate: Single ,dual or three scales(Bar,Psi,Kg/ cm2, Kpa, Mpa)
. Accuracy: 3-2-3%,2.5%,1.6%
. Movement: Steel,brass or Stainless Steel material
. Pointer: Aluminium material
. Restrictor: Brass Or St St material
. Over Pressure: 130%
. Connection: With air escape valve and pipe