Stockham截止閥
Stockham截止閥非常適用于需要頻繁操作和節流的工況,通過閥門的壓降約為20%的入口壓力。
小開度的節流,產生較高的壓降,可能會導致氣蝕或者過高流速可能導致高噪音、震動以及對閥門或相鄰管道可能造成的損壞。截止閥可配備不同的驅動器選項,以及選擇各種閥芯類型以滿足工況的要求。
Stockham截止閥
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 ? 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