1.Available with V11 Valve Ball and Seat
2.Material:Tungsten Carbide,Stellite,Stainless Steel
3.API NO.:106,125,150,175,200,225,250,375
4.Meeting API Specification 11AX
5.Made in China
>>Pump valves are made of balls and seats and they are a key component when working under high hydraulic pressure due to depth. Only a perfect design and a correct selection of the material can guarantee their service life.
>>Puyang Zhongshi Group offers the following materials and qualities to be used in assemblies of the same or combined materials:
Symbol |
Description |
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 |
C2 |
Nickel Carbide |
Ball: HRA 89-90.5 Seat: HRA 87.5-89 |
Tungsten with nickel binder |
C3 |
Titanium Carbide |
Ball: HRA 89-90.5 Seat: HRA 89-90.5 |
Tungsten and titanium carbide with cobalt binder |
API Ball and Seat Size
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" |
Specifications of V11 Valve Ball and Seat
Unfinished Product of V11 Valve Ball and Seat
Finished Product of V11 Valve Ball and Seat
Packing of V11 Valve Ball and Seat
Inspecification of V11 Valve Ball and Seat
API 11AX Certifiate for V11 Valve Ball and Seat
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