API Standard V11- 225 Tungsten Carbide Balls and Seats

• Certification: RoHS
• Surface Treatment: Polishing
• Temperature: High Temperature
• Pressure: High Pressure
• Material: Tungsten Carbide/Stellite
• Type: Straight-Way
• Model NO.: V11-150/V11-175/V11-225/V11-250
• Sample: Available
• Standard: API
• Markings: Available
• ODM: Acceptable
• OEM: Workable
• Transport Package: Wood Cases
• Specification: V11-175/V11-150/V11-225/V11-250
• Trademark: ZHONGSHI
• Origin: China
• HS Code: 843143100
• Production Capacity: 2000PCS/Month

Product Description

API standard V11- 225 tungsten carbide balls and seats     

Precision machined carbide balls and valve seats
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.

Advantages of our valve seat
1. High temperature resistance
    The strength keeps stable up to 800ºC and it can even momentarily used at 1200ºC.
2. Wear resistance
    Due mainly to the unique inherent characteristics of the hard carbide phase dispersed in a
    CoCr alloy matrix, it has exceptional wear and galling resistance.
3. Corrosion resistance
    This exellent and lovely property allows this kind of material parts to be used in oil&gas, slurry, acid
     liquid and any other mediums.
4. Production process
    Powder metallurgy pocess, it has better strength than casting parts, better granule structure and
    avoiding the troubles caused by casting defects.

API Material Symbol

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

 
API valve Ball and valve Seat Size

Dimensional Symbol	V11-106	V11-125	V11-150	V11-175	V11-200	V11-225	V11-250	V11-375
Ball-D(mm)	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(mm)	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(mm)	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(mm)	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)

 

API Valve Seat Standard

No.	Specifications	Dimensions OD/ID×H (in)	Weight (g/pc)
1	VII-106	0.793/0.460×0.500	22.81
2	VII-125	0.918/0.550×0.500	29.55
3	VII-150	1.168/0.670×0.500	49.53
4	VII-175	1.388/0.825×0.500	68.13
5	VII-200	1.478/0.960×0.500	69.05
6	VII-225	1.720/1.060×0.500	100.34
7	VII-250	2.010/1.310×0.500	127.04
8	VII-375-1	3.072/1.700×0.750	536.94
9	VII-375-2	3.072/1.880×0.750	484.12