D1 Series Top Guided Single Seated Control Valves Model D1S Overview Model D1S globe control valves are with bolted bonnet and top guided contoured trims. The design facilitates easy access to internal components, online inspection and maintenance. Model D1S are provided with multiple spring diaphragms actuators. Model D1S are applicable to reliable shut-off and flow control performance. Specifications Body Type Straight-through, cast globe valve Nominal size: 1/2, 3/4, 1, 1-1/2, 2, 2-1/2, 3, 4, 5, 6, 8, 10, 12 inches Pressure rating .. .. ANSI Class 150, 300, 600 .. .... PN 25, 50, 100 End connection .. .. Flanged end: FF, RF, RJ, LG, SG, Tongue and groove .. .. Welding end: BW Material .. .. Carbon steel: ASTM A216 Gr WCB, WCC, WC6, WC9, C5, C12, LCB .. .. Stainless steel: ASTM A351 Gr CF8, CF8M, CF3, CF3M, CF8C .. .. Alloy steel: Hastelloy C, Alloy 20, Nickel, Titanium, Monel (For other materials, consult your Azbil sales office.) Bonnet .. .. Plain type (0 to 230°C) .. .. Extended plain type (-70 to 0°C) .. .. Extended finned type (230 to 600°C) Note) Take care not to exceed the operating temperature ranges specified for respective materials. Gland type Bolted gland No. SS2-D1S100-0100 Gland packing .. .. V shaped PTFE (150 to 200°C) .. .. Graphite (150 to 600°C) .. .. Low fugitive emission (With PTFE and graphite packing on request) .. .. Inverted V shaped PTFE (For vacuum application) Gasket .. .. Stainless steel spiral wound with graphite filled .. .. Stainless steel spiral wound with PTFE filled Trim Valve plug Single seated, Contoured-type plug -Metal seat: Equal percentage, Linear -Soft seat: Equal percentage, Linear Single seated, Quick opening-type plug -Metal (Stellite) seat Seat type Metal seat, Soft seat Material .. ......Stainless steel: ASTM A479 Type SS316, SS304, SS316L, SS304L, SS904L .. ......Alloy steel: Hastelloy C, Alloy 20, Nickel, Titanium, Monel (For other materials, consult your Azbil sales office.) 1 3rd edition 1 14 Specifications are subject to change without notice. “This product is designed for general industrial use.”