Material
● Body- Brass ，mil l finished. ·Reflector -Brass,with the body is one part,with the white paint.

Window - Tempered glass
● Thread gasket－Aramid fiber ga sket.

Maximum Continuous Working Temperature
● -30℃～300℃.
Working Pressure 
● The working pressure should be lower than 2.0Mpa.
● The Instantaneous pressure should be lower than 3.0Mpa.