- Material 1:Stellite
- Material 2:Tungsten Carbide
- Material 3:Stainless Steel
- Material 4:Titanium Carbide
- Certificate:API 11ax
- ODM:Avaialble
=== Base Info ===
- Model NO.:API V11-225, API V11-175,API V11-150,V11-250
- Sample:Available
- Drawing:Available
- Transport Package:Wood Package
- Specification:V11-125,V11-175,V11-225,V11-250
- Trademark:zhongshi
- Origin:Henan, China
- HS Code:843143100
- Production Capacity:50000PCS,Year
=== Description ===
API No. | Seat Size | Ball Size |
V11-106 | 1-1/16" | 5/8" |
V11-125 | 1-1/4" | 3/4" |
V11-150 | 1-1/2" | 15/16" |
V11-175 | 1-3/4" | 1-1/8" |
V11-200 | 2" | 1-1/4" |
V11-225 | 2-1/4" | 1-3/8" |
V11-250 | 2-3/4" | 1-1/16" |
V11-375 | 3-3/4" | 2-1/4" |
Features:
1) Castings of main alloys: cobalt-base alloy, nickel -base alloy and stellite alloy
2) Available forms: end product or blank
3) Properties: good resistance against corrosion and oxidation
4) Main application: extensively used in petrochemical industry, marine exploration, heat exchanger and pump
5) Processing: investment casting, sand casting
Materials for Balls and Seats
Symbol | Symbol | Hardness | Material |
A1 | Stainless Steel | Ball: HRC 58-65 Seat: HRC 52-56 | UNS 41000-UNS 44000 |
B1 | Cobalt Alloy, Cast | Ball: HRC 56-63 Seat: HRC 50-56 | Cobalt, chromium, and tungsten alloy |
B2 | Cobalt Alloy, Powder Metal | Ball: HRC 53-60 Seat: HRC 51-57 | Cobalt, chromium, and tungsten alloy |
C1 | Tungsten Carbide | Ball: HRA 88-89 Seat: HRA 88-89.5 | Tungsten with Cobalt binder |
C3 | Titanium Carbide | Ball: HRA 89-90.5 Seat: HRA 89-90.5 | Tungsten and titanium carbide with cobalt binder |
stellite valve seat
1. High strength, high wear resistance, high precision, good temperature resistance and good corrosion resistance.
2. Mainly used for the sealing of valves of oil pumps in petroleum industry's containing wells, viscous oil wells, sea oil wells and high pressure sulfur resistant oil wells, etc.
3. Balls and seats are used with compatible cemented carbide valve seats.
4. The finished surface, tolerance standard have reached the standards of the machine industry: G5, G10, G16, G40 and G100 of JB/T 9145-1999.
5. Precision machined cemented carbide balls of other grades and specifications are also available based on customers` demands.
6. Compatible high precision valve seats can also be made.