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carbide valve ball and seat, carbide for oiling and mining, carbide wear parts, spare parts
  • carbide valve ball and seat, carbide for oiling and mining, carbide wear parts, spare parts

Carbide Ball and Seat

High precision
High sealing & high wear resistance
Well ground and good smoothness
Precise shape and size

Production Introduction

Carbide ball and seat are mainly used for the sealing of valves of oil pumps in petroleum industry's sand containing wells, viscous oil wells, sea oil wells and high pressure sulfur resistant oil wells, etc. Compatible high precision valve seats can also be made available.

Production Advantages

1. High strength, high wear resistance, high precision, high temperature resistant, corrosion resistant.

2. 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.

3. Precision machined cemented carbide balls of other grades and specifications are also available based on customers' demands.

Grade for Tungsten Carbide Ball and Seat

Grade

Density
  (g/cm3)

Hardness
  (HRA
≥)

TRS
  (MPa)

YG6X

14.95

91.5

1800

YG8

14.8

89.5

2200

YG11

14.4

87

2500

Type and specifications

Dia.

Inch

3/4

7/8

15/16

1

1 1/8

1  3/16

mm

19.05

22.225

23.813

25.4

28.575

30.163

Inch

1 1/4

1 3/8

1 1/2

1 5/8

1 11/16

1 3/4

mm

31.75

34.925

38.1

41.275

42.863

44.45

Inch


2

1 1/4


2 1/2


mm

50

50.8

57.15

60

63.5


Different Carbide Balls 

      

      


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