直流式柱塞閥概述:
主要直流式柱塞閥最大的優點是介質在內流動平衡轉彎拐角少。直通式流線為梯形角式流線為角形而直流式流線為波浪形,根據對三種截止閥,流阻系數的測定DN100mm,直通式截止閥流阻系數為4.1 ,DN100mm角式截止閥流阻系數為3.8,而DN100mm直流式截止閥流阻系數為0.5,阻力大大降低。
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直流式柱塞閥連接、結構尺寸:
DN(mm)  | U45SM-16C、P、R????????????? ?U45H-16C、P、R  | |||||||||||||||
15  | 20  | 25  | 32  | 40  | 50  | 65  | 80  | 100  | 125  | 150  | 200  | 250  | 300  | 350  | 400  | |
L  | 130  | 150  | 160  | 180  | 200  | 230  | 290  | 310  | 350  | 400  | 480  | 600  | 622  | 698  | 787  | 914  | 
H  | 180  | 200  | 220  | 260  | 280  | 310  | 350  | 390  | 430  | 460  | 550  | 650  | 750  | 860  | 980  | 1110  | 
W  | 100  | 100  | 120  | 140  | 160  | 180  | 200  | 240  | 270  | 310  | 340  | 400  | 520  | 640  | 760  | 900  | 
D  | 95  | 105  | 115  | 135  | 145  | 160  | 180  | 195  | 215  | 245  | 280  | 335  | 405  | 460  | 520  | 580  | 
K  | 65  | 75  | 85  | 100  | 110  | 125  | 145  | 160  | 180  | 210  | 240  | 295  | 355  | 410  | 470  | 525  | 
T  | 12  | 12  | 12  | 12  | 13  | 13  | 12  | 17  | 17  | 19  | 21  | 23  | 27  | 28  | 30  | 32  | 
n-φ  | 4-14  | 4-14  | 4-14  | 4-18  | 4-18  | 4-18  | 4-18  | 8-18  | 8-18  | 8-18  | 8-23  | 12-23  | 12-25  | 12-25  | 16-25  | 16-30  | 
DN(mm)  | U45SM-25C、P、R????? ?U45H-25C、P、R  | |||||||||||||||
15  | 20  | 25  | 32  | 40  | 50  | 65  | 80  | 100  | 125  | 150  | 200  | 250  | 300  | 350  | 400  | |
L  | 130  | 150  | 160  | 180  | 200  | 230  | 290  | 310  | 350  | 400  | 480  | 600  | 622  | 698  | 787  | 914  | 
H  | 180  | 200  | 220  | 260  | 280  | 310  | 350  | 390  | 430  | 470  | 550  | 650  | 750  | 860  | 990  | 1110  | 
W  | 100  | 100  | 120  | 140  | 160  | 180  | 200  | 240  | 280  | 310  | 340  | 400  | 520  | 640  | 760  | 900  | 
D  | 95  | 105  | 115  | 135  | 145  | 160  | 180  | 195  | 230  | 270  | 300  | 360  | 425  | 485  | 550  | 610  | 
K  | 65  | 75  | 85  | 100  | 110  | 125  | 145  | 160  | 190  | 220  | 250  | 310  | 370  | 430  | 490  | 550  | 
T  | 14  | 14  | 14  | 15  | 15  | 17  | 19  | 19  | 21  | 25  | 27  | 31  | 33  | 36  | 40  | 44  | 
n-φ  | 4-14  | 4-14  | 4-14  | 4-18  | 4-18  | 4-18  | 4-18  | 8-18  | 8-23  | 8-25  | 8-25  | 12-25  | 12-30  | 16-30  | 16-34  | 16-34  |