standard features:

1) : size: DN15-900

2) : stress: PN 16 ~ 64

3) : working temperature: - 29 ℃ ~ + 200 ℃

4) : all welded ball valve to adapt to the medium: water, oil, natural gas

5) : all welded ball valve operating mode: water, oil, natural gas

All welded ball valve features:

1) : as the full welded ball valve body is welded structure, so the valve light weight and easy for insulation

2) : the spring load type PTFE sphere seal to ensure absolute rigor applied in all conditions

3) : all welded ball valve ball and stem are made by stainless steel with two o-rings shot out valve rod structure to ensure the rigor, the upper container can be replaced, long working life

All welded ball valve material:

1) : body: carbon steel ST37.0, A106 - B; 20 # steel

2) : sphere: stainless steel 304 or 304

3) : stem: 2 cr13

4) : stem seal: perfluorinated like glue

(5) : ball seal: RTFE (PTFE + C)