Stockham截止阀
Stockham截止阀非常适用于需要频繁操作和节流的工况，通过阀门的压降约为20％的入口压力。
小开度的节流，产生较高的压降，可能会导致气蚀或者过高流速可能导致高噪音、震动以及对阀门或相邻管道可能造成的损坏。截止阀可配备不同的驱动器选项，以及选择各种阀芯类型以满足工况的要求。
Stockham铸钢截止阀
尺寸和重量
Stockham Cast Steel Globe Valves
Class 150 • Outside Screw & Yoke • Bolted Bonnet (Figure 15-GPF-U)
Class 300 • Outside Screw & Yoke • Bolted Bonnet (Figure 30-GPF-U)
Class 600 • Outside Screw & Yoke • Bolted Bonnet (Figure 60-GPF-U)
Class 150 • Outside Screw & Yoke • Bolted Bonnet (Figure 15-GPF-U)
| Inches (millimeters) - pounds (kilograms) | ||||||||
| Valves | 2 | 2 ½ | 3 | 4 | 6 | 8 | 10 | 12 |
|---|---|---|---|---|---|---|---|---|
| (50) | (65) | (80) | (100) | (150) | (200) | (250) | (300) | |
| A | 8.00 | 8.50 | 9.50 | 11.50 | 16.00 | 19.50 | 24.50 | 27.50 |
| (203) | (216) | (241) | (292) | (406) | (495) | (622) | (698) | |
| B (Open) | 14 | 16 | 16 | 19 | 21 | 24 | 29 | 40 |
| (356) | (406) | (406) | (482) | (533) | (610) | (736) | (1016) | |
| C | 8 | 8 | 10 | 12 | 14 | 18 | 18 | 24 |
| (203) | (203) | (254) | (304) | (355) | (457) | (457) | (610) | |
| Wt. | 48 | 70 | 92 | 132 | 223 | 355 | 640 | 1200 |
| (21) | (31) | (41) | (59) | (101) | (161) | (290) | (550 | |
