GSDF 30-0.2M/14.5/NPT GSDF 30-0.3M/14.5/NPT GSDF 30-0.3M/14.75/NPT GSDF 30-0.5M/14.5/NPT GSDF 30-0.5M/14.75/NPT GSDF 30-0.5M/M20 GSDF 30-1.2M/14.5/NPT GSDF 30-1.5M/14.75/NPT GSDF 30-1M/14.5/NPT GSDF 30-1M/14.75/NPT