The main performance parameters 1. Manufacturing standards: GB / T12224-2005 JB / T7747-1995 2. Connection Type: (NPT, G, Rc, Rp ...) 3. Structure threaded connection: Seal cone 4. Valve inspection and test : GB / T13927-1992 5. Nominal: ≤1000psi 6. Applicable Operating temperature: -29 ℃ ~ + 538 ℃ 7. Suitable medium: water, oil, gas and corrosive and non-corrosive media 8. Nominal Diameter: DN6, DN10, DN15, DN20, DN25 ... the main part materials No. Part Name Material 1 Body 20 # A105 SS304 SS304L SS316 SS316L 2 valve cover gasket copper (Red copper) PTFE 3 Bonnet 20 # A105 SS304 SS304L SS316 SS316L 4 packing PTFE flexible graphite mat (Expanded Graphite) metal packing (Matel and Graphite) 5 Packing PTFE flexible graphite (Expanded Graphite) 6 packing gland 20 # A105 SS304 SS304L SS316 SS316L 7 locknut 20 # A105 SS304 SS304L SS316 SS316L 8 Stem 20 # A105 SS304 SS304L SS316 SS316L 9 handwheel 20 # A105 SS304 SS304L SS316 SS316L 10 cap nut 20 # A105 SS304 SS304L SS316 SS316L main dimensions nominal diameter DN GHL D0 DN6 G1 / 4 90 60 63 (60) DN10 G3 / 8 92 60 63 (60) DN15 G1 / 2 98 65 63 (70) DN20 G3 / 4 110 80 78 (80) DN25 ZG1 125 90 100 DN32 G1-1 / 2 180 128 140 (110)