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HRA 88 Tungsten Carbide API 11AX Oilfield Pump Parts

China Puyang Zhongshi Group Co., Ltd. certification
China Puyang Zhongshi Group Co., Ltd. certification
Recommendation is good. Reception is professional. Demo training is also very great. Wish more online training after getting the machine.2017.8.26

—— David

Thanks for your kindly hospitality. Your company is very professional , we will have nice cooperation in the near future. 2015.6.28

—— Sergey

Good company with nice service and high quality and high reputation. One of our reliable supplier , goods are delivered in time and nice package 2016.3.25

—— Steve

Thanks for your good after-sale service. Excellent training and technology support helps me a lot. 2018.4.23

—— Mostafa

Professional, very helpful, great price. Will use again for other items 2019.2.21

—— Ahmed

Thanks for zhongshi group supporting and guidence. With your help and instruction, I win more market share. 2017.9.26

—— Manuel

Nice cooperation with zhongshi group.Imperssive for your service and support. 2018.3.18

—— Luis

We are satisfied with your product's quality. We highly appreciate to see the excellent performances in production capacity and thanks for the specialist technical support from you 2018.11.16

—— Mohammed

Good company with professional service and high quality. Delivered in time. Our most trusted partner for sucker rod and OCTG pipe. 2018.7.24

—— Nicolas

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HRA 88 Tungsten Carbide API 11AX Oilfield Pump Parts

HRA 88 Tungsten Carbide API 11AX Oilfield Pump Parts
HRA 88 Tungsten Carbide API 11AX Oilfield Pump Parts

Large Image :  HRA 88 Tungsten Carbide API 11AX Oilfield Pump Parts

Product Details:

Place of Origin: China
Brand Name: Zhongshi
Certification: API,ISO,QHSE
Model Number: ZS

Payment & Shipping Terms:

Minimum Order Quantity: 1 PCS
Price: Negotiable
Packaging Details: Standard exported packing
Delivery Time: 5~8 workdays
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 1000 Sets per Month
Detailed Product Description
Standard: API 11AX Material: Tungsten Carbide
Application: Pump Parts Warranty: 12 Months
Feature: Corrosion Resistance Hardness: Ball HRA 88-89; Seat HRA 88-89.5
High Light:

API 11AX Oilfield Pump Parts


HRA 88 Oilfield Pump Parts


Oilfield Tungsten Carbide Valve Ball

Tungsten Carbide Valve Ball & Seats Oilfield Pump Parts



Tungsten carbide valve Balls and seats


The oilfiedl pump parts tungsten carbide valve ball and seats consist of complex carbides in an alloy matrix. They are resistant to wear, galling, and corrosion and retain these properties at high temperatures. Their exceptional wear resistance is due mainly to the unique inherent characteristics of the hard carbide phase dispersed in a CoCr alloy matrix.


Valve balls & seats classification:


API CODE Symbol hardness Material
A1 stainless steel

Ball:HRC 58-65

Seat: HRC 52-56

B1 cobalt alloy, cast

Ball: HRC 56-63

Seat: HRC 50-56

cobalt,chromium and tungsten alloy

cobalt alloy, powder metal

Ball: HRC 53-60

Seat: HRC 51-57

cobalt, chromium and tungsten alloy
C1 tungsten carbide

Ball: HRC 88-89

Seat: HRC 88-89.5

tungsten with cobalt binder
C3 titanium carbide

Ball: HRC 89-90.5

Seat: HRC 89-90.5

tungsten and titanium carbide with cobalt binder





1. Heat Resistance, wear resistance, corrosion resistance

2. Made as required dimensions and materials

3. Main products: valve seat, pump parts, pistons, bushings, nozzles etc.



Packing photo:


HRA 88 Tungsten Carbide API 11AX Oilfield Pump Parts 0






Contact Details
Puyang Zhongshi Group Co., Ltd.

Contact Person: Mrs. Liza

Tel: 18192063736

Fax: 86-393-4807842

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