类别Category A×A B×B C×C L H D0 n-d
单向
One-way 220×200 256×256 296×296 100 820 300 8-φ12
250×250 306×306 346×346 100 930 340 8-φ14
300×300 356×356 396×396 100 1050 380 8-φ14
400×400 456×456 496×496 100 1140 445 12-φ14
450×450 510×510 556×556 120 1450 530 12-φ18
500×500 560×560 606×606 120 1610 580 16-φ18
双向
Two-way 600×600 660×660 706×706 120 1830 450 16-φ18
700×700 770×770 820×820 140 2130 450 20-φ18
800×800 870×870 920×920 140 2440 450 20-φ18
900×900 974×974 1030×1030 160 2660 450 24-φ23
1000×1000 1074×1074 1130×113 160 2870 450 24-φ23
说明Specification LMD-单向
LMD one-way Ⅰ-手轮
I hand wheel 链条节数M=0.105×-113（×是丝杆中心离地面高度）距地面小于1.7米用于手轮大于1.7米用链轮
Number of chain nodes M = 0.105×-113 (× means the distance of lead screw center from surface); use hand wheel if the height is less than 1.7 m; use chain wheel if the height is more than 1.7 m.
LMD-双向
LMD two-way Ⅱ-链条
II chain
注：可来图来样定作非标的螺旋闸门
Note: Non-standard screw gate valve could be customized based on drawing or sample.
