Grade |
Variation of Ball Diameter VDws Max | Deviation from Spherical Form tDw Max | Surface Roughness Ra Max | Preferred Gauges | Subgauges |
G5 | 5 | 5 | 0.56 | -5,···,-1, 0 , +1,···,+5 | -0.4, -0.2, 0, +0.2, +0.4 |
G10 | 10 | 10 | 0.8 | -9,···,-1, 0 , +1,···,+9 | -0.4, -0.2, 0, +0.2, +0.4 |
G16 | 16 | 16 | 1 | -10,···,-2, 0 , +2,···,+10 | -0.8, -0.4, 0, +0.4, +0.8 |
G20 | 20 | 20 | 1.25 | -10,···,-2, 0 , +2,···,+10 | -0.8, -0.4, 0, +0.4, +0.8 |
G24 | 24 | 24 | 1.6 | -12,···,-2, 0 , +2,···,+12 | -0.8, -0.4, 0, +0.4, +0.8 |
G28 | 28 | 28 | 2 | -12,···,-2, 0 , +2,···,+12 | -0.8, -0.4, 0, +0.4, +0.8 |
G40 | 40 | 40 | 2.4 | -16,···,-4, 0 , +4,···,+16 | -1.6, -0.8, 0, +0.8, +1.6 |
G60 | 60 | 60 | 3.2 | -18,···,-6, 0 , +6,···,+18 | -2.4, -1.2, 0, +1.2, +2.4 |
G100 | 100 | 100 | 4 | -40,···,-10, 0 , +10,···,+40 | -4, -2, 0, +2, +4 |
G200 | 200 | 200 | 6 | -60,···,-15, 0 , +15,···,+60 | -6, -3, 0, +3, +6 |
As a professional cast steel ball valve suppliers, MSTNLAND has high-quality cast steel ball valves for sale. Welcome to contact us if needed. There are many ball valve manufacturers, but we are one of the best choices for you. ...
API6D Cast Steel Floating Ball Valve Worm Gear Cast Steel Floating Ball Valve Pneumatic Cast Steel Floating Ball Valve Electric Cast Steel Floating Ball Valve Cast Steel Floating Ball Valve API6D CAST STEEL FLOATING BALL VALVE MstnLand\'s series of cast steel floating water ...
Space frame structure is a kind of structure connected by the node of bolt ball, so the bolt ball is the key component of the structure. In GB standard, the bolt ball is made of 45# steel with the diameter of 100mm to 300mm. Normally there are 3-12 holes in the bolt ball and ...