不锈钢截止阀是截止阀的一种，对阀体材质要求比较高一般有301、304、316等几个材质选择广泛应用于化工，船舶，医药，食品机械等行业。只适用于全开和全关，不允许作调节和节流。
Design Features
Outside screw and yoke
Bolted bonnet
Welded Seat
Yoke Integrated with Bonnet
Loose Disc
Rising stem and non-rising hand-wheel
Applicable Standards
| • | Steel valves | ANSI B16.34 |
| • | Face to face | ANSI B16.10 |
| • | End flanges | ANSI B16.5 |
| • | Butt-weld ends | ANSI B16.25 |
| • | Inspection and test | API 598 |
Main Materials
| No. Part Name | Material | |
| 1 | Body | 316 Stainless Steel ASTM A351 CF8M |
| 2 | Disc | 316 Stainless Steel ASTM A351 CF8M |
| 3 | Disc Cover | 316 Stainless Steel ASTM A351 CF8M |
| 4 | Stem | 316 Stainless Steel |
| 5 | Gasket | PTFE (Grafoil + 316 Sheet*) |
| 6 | Bonnet | CF8M |
| 7 | Gland Packing | PTFE (Graphite*) |
| 8 | Bonnet Bolt | 304 Stainless Steel |
| 9 | Pin | 304 Stainless Steel |
| 10 | Gland Sleeve | PTFE |
| 11 | Gland | CF8M |
| 12 | Nut | 304 Stainless Steel |
| 13 | Eye Bolt | 304 Stainless Steel |
| 14 | Yoke Sleeve | Ductile Iron |
| 15 | Name Plate | 304 Stainless Steel |
| 16 | Nut | 304 Stainless Steel |
| 17 | Hand-wheel | Ductile Iron |
Dimensions (Inches)
| Size | A | B | C | D | E | F | G | H | I | Num of Bolt Holes |
| 1/2 | 0.59 | 4.25 | 7.32 | 3.50 | 2.38 | 1.38 | 0.43 | 5.51 | 0.625 | 4 |
| 3/4 | 0.79 | 4.61 | 7.32 | 3.88 | 2.75 | 1.69 | 0.43 | 5.51 | 0.625 | 4 |
| 1 | 0.98 | 5.00 | 8.35 | 4.25 | 3.12 | 2.00 | 0.43 | 5.51 | 0.625 | 4 |
| 1-1/2 | 1.57 | 6.50 | 9.69 | 5.00 | 3.88 | 2.88 | 0.56 | 6.29 | 0.625 | 4 |
| 2 | 1.97 | 7.99 | 9.92 | 6.00 | 4.75 | 3.62 | 0.62 | 7.87 | 0.75 | 4 |
| 2-1/2 | 2.56 | 8.50 | 12.12 | 7.00 | 5.50 | 4.12 | 0.69 | 7.87 | 0.75 | 4 |
| 3 | 3.15 | 9.49 | 12.87 | 7.50 | 6.00 | 5.00 | 0.75 | 9.84 | 0.75 | 4 |
| 4 | 3.94 | 11.50 | 15.12 | 9.00 | 7.50 | 6.19 | 0.94 | 9.84 | 0.75 | 8 |
| 6 | 5.91 | 15.98 | 21.53 | 11.00 | 9.50 | 8.50 | 1.00 | 13.78 | 0.875 | 8 |
| 8 | 7.87 | 19.49 | 26.34 | 13.50 | 11.75 | 10.62 | 1.12 | 13.78 | 0.875 | 8 |
| 10 | 9.84 | 24.49 | 32.44 | 16.00 | 14.25 | 12.75 | 1.19 | 19.69 | 1.00 | 12 |
| 12 | 12.00 | 27.50 | 31.30 | 19.00 | 17.00 | 15.00 | 1.25 | 18.11 | 1.00 | 12 |
| 14 | 13.27 | 15.00 | 33.50 | 21.00 | 18.75 | 16.25 | 1.38 | 18.11 | 1.125 | 12 |
| 16 | 15.24 | 16.00 | 35.12 | 23.50 | 21.25 | 18.25 | 1.44 | 18.11 | 1.125 | 16 |
