Specifications

Item:Stellite valves and balls
Feature: V11-225
Density: 8.6-8.8 g/cm3
Hardness: 56-63 HRS
Certificate: API 11AX V11

 

Chemical element compositions of Valve ball & Seat:

	C	Cr	W	Mn	Si	Ni	Fe	HRS	g/cm³
Ball	2.8-3.0	33.0-36.0	17.0-19.0	0.4max	1.0max	2.5max	2.5max	56-63	8.6-8.8
Seat	2.0-2.4	30.0-34.0	12.0-14.0	1.0max	1.0max	3.0max	3.0max	50-56	8.5-8.8

 

 

Details for API 11AX Tungsten Carbide Balls And Valve Seats:

 

Feature V11-225
Ball diameter, mm: 34, 925
Seat height, mm: 12.7
Outer diameter edla mm 43,688
Orifice, mm2: 554

 

For a complete parts sucker rod pump, diameter 57mm,  the material used in valves: Stellite (cobalt alloy, nickel and chrome)

 

 

API 11AX Tungsten Carbide Balls And Valve Seats

API 11AX Tungsten Carbide Balls And Valve Seats--Inner Packaging

 

API 11AX Tungsten Carbide Balls And Valve Seats--Outer Packaging

 

API 11AX Tungsten Carbide Balls And Valve Seats