Mainly used in general hydraulic application, especially fits for environment full of vibration, such as chilled and hot water lines and some small piping networks.

A�P Plastic shell hot water glass thermometer
----Gray thermoplastic shell, the length of upper part is 6''
----White V-shaped aluminum scale pane
----Prismatic capillary, filled with red organic liquid
----Clean lens can keep it from dust
----Single or double sets of lower part, which is brass, is about 2'' or 4'' long
----Connected thread: 1/2'' M20 x 1.5
----Nominal range: (-40-110/20-120/20-180/30-240/30-300/50-400) a??/a??
----Scale division: 2a??/a??, 5a??/a??
----Type: straight or right angle
A�PSheet iron hot water glass thermometer
----Type: JWT-11(straight), JWT-12(90 angle)
----The upper part is 8'', made of steel
----Painted white copal varnish, and go with black letters and markings, help to catch the eyes
----Prismatic capillary, filled with red organic liquid
----The brass lower part is 45mm - 80mm long, which is fixed with a little nut
----Connected thread: 1/2''
----Nominal range: 40 - 280a??/a??
----Scale division: 2a??/