GKDF 32-1.5M/14.75/NPT GKDF 32-0.6M/14.5/NPT GKDF 32-0.5M/14.75/NPT GKDF 32-0.5M/14.5/NPT/S3158 GKDF 32-0.5M/14.5/NPT GKDF 32-0.3M/14.75/NPT GKDF 32-0.3M/14.5/NPT GKDF 30-6M/14.5/NPT GKDF 30-5M/14.75/NPT GKDF 30-5M/14.5/NPT