Features 1. Manufacturing standards: GB / T12224-2005 JB / T7747-1995 GB / T12235-2007 2. Connection: Flanged 3. Structure: Cone Seal 4. Valve Inspection and Test: GB / T13927-1992 JB / T9092-1999 5. Nominal: ≤10000Psi 6. Applicable Operating temperature: -29 ℃ ~ + 538 ℃ 7. Suitable medium: water, oil, gas and other corrosive and non-corrosive medium 8. Nominal diameter: DN6, DN10, DN15, DN20, DN25 ... the main part materials Part Name Material No. 1 flange 20 # A105 SS304 SS304L SS316 SS316L 2 valve 20 # A105 SS304 SS304L SS316 SS316L 3 valve cover gasket copper PTFE 4 valve cover 20 # A105 SS304 SS304L SS316 SS316L 5 PTFE flexible graphite filler cushion, metal packing 6 7 flexible graphite packing PTFE packing gland 20 # A105 SS304 SS304L SS316 SS316L 8 locknut 20 # A105 SS304 SS304L SS316 SS316L 9 stem 20 # A105 SS304 SS304L SS316 SS316L 10 handwheel 20 # A105 SS304 SS304L SS316 SS316L 11 hooded nut 20 # A105 SS304 SS304L SS316 SS316L main dimensions nominal diameter DN ABCF N-? LH D0 DN10 90 60 41 14 4-? 14 130 90 60 DN15 95 65 46 14 4-? 14 132 90 60 DN20 105 75 56 16 4-? 14 150 105 80 DN25 115 85 65 16 4-? 14 150 120 100