• Model NO.：V11-175
• Drawings：Available
• Transport Package：Wood Cases
• Specification：V11-175,V11-225,V11-250
• Trademark：zs
• Origin：China, Henan
• HS Code：843143100
• Production Capacity：2000PCS,Month

API No.Seat SizeBall SizeV11-1061-1/16"5/8"V11-125 1-1/4"        3/4"V11-1501-1/2" 15/16"V11-1751-3/4"1-1/8"V11-200               2"         1-1/4"V11-2252-1/4"1-3/8"V11-250            2-3/4"          1-1/16"V11-375              3-3/4"         2-1/4"
 
The surface finish, tolerance class and tolerances of dimensions have respectively reached the standards of the machine industry: G5, G10, G16, G40 and G100 of JB/T 9145-1999.
 
 Precision machined cemented carbide balls of other grades and specifications are also available based on customers' demands.
Compatible high precision valve seats can also be made available. SymbolSymbolHardnessMaterialA1Stainless SteelBall: HRC 58-65
Seat: HRC 52-56UNS 41000-UNS 44000B1Cobalt Alloy, CastBall: HRC 56-63
Seat: HRC 50-56Cobalt, chromium, and
tungsten alloyB2Cobalt Alloy, Powder
MetalBall: HRC 53-60
Seat: HRC 51-57Cobalt, chromium, and
tungsten alloyC1Tungsten CarbideBall: HRA 88-89
Seat: HRA 88-89.5Tungsten with Cobalt
binderC3Titanium CarbideBall: HRA 89-90.5
Seat: HRA 89-90.5Tungsten and titanium carbide
with cobalt binder
Main Specifications for reference:Dimensional
SymbolV11-106V11-125V11-150V11-175V11-200V11-225V11-250V11-375Ball-D
+0.020/-0.010
(+0.51/-0.25)15.88
(0.625in)19.05
(0.75in)23.83
(0.938in)28.58
(1.125in)31.75
(1.25in)34.93
(1.375in) 42.88
(1.688in)57.15
(2.25in)Seat-ID  
± 0.050    (± 1.27)11.68
(0.46in)13.97
(0.55in)17.02
(0.67in)20.96
(0.825in)24.38
(0.96in)26.92
(1.06in)33.27
(1.31in)43.18
(1.7in)Seat-OD
+0.000/-0.005
(+0.00/-0.13)20.14
(0.793in)23.32
(0.918in)29.67
(1.168in)35.26
(1.388in)37.54
(1.478in)43.69
(1.72in)51.05
(2.01in)78.03
(3.072in)Seat-H
+0.020/-0.010
(+0.51/-0.25)0.500 (12.70in)0.500 (12.70in)0.500 (12.70in)0.500 (12.70in)0.500 (12.70in)0.500 (12.70in)0.500 (12.70in)0.750 (19.05in)