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API 11AX 28mm Oilfield Pump Parts Spray Metal Plunger

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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API 11AX 28mm Oilfield Pump Parts Spray Metal Plunger

API 11AX 28mm Oilfield Pump Parts Spray Metal Plunger
API 11AX 28mm Oilfield Pump Parts Spray Metal Plunger

Large Image :  API 11AX 28mm Oilfield Pump Parts Spray Metal Plunger

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: 25 workdays
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 1500 pcs per Month
Detailed Product Description
Product: API 11AX Oilfield Pump Spray Metal Plunger Material: AISI1045 Steel
Application: Pump Parts Warranty: 12 Months
Standard: API11AX Coating: Spray Metal
High Light:

API 11AX Oilfield Pump Parts


API 11AX Spray Metal Plunger


28mm Spray Metal Plunger

API 11AX oilfield sucker rod pump plunger ​


In the upper stroke, the plunger is on the bottom of the tubing pump. Because the hydraulic pressure from the uper tubing, both up and traveling valves will close, When the plunger go up, the stationary valve open and oil will go through the pump, since the bottom pressure is higher than the uper pressure, then the fluid will be forced to go through the stationary valve and flow into the tubing.In the down stroke,the traveling valve open and the presure drive the oil go into the plunger from the side holeof the extractor, then go into the tubing.



  • Long life span
  • Corrosion resistance is strong,
  • Customized the product size
  • Mechanical properties, surface finish and dimensional accuracy is higher than the standard requirements.


Technical parameters


size(mm) OD mm (-0.013-0mm) Length m (+/-6.35mm) Note
Ø28 Ø26.99 <=6.6m PL<2.1,Straightness measurement value is less than0.03mm/ft;PL≥2.1m,Straightness measurement value is less than0.18mm/ft
Ø32 Ø31.75
Ø38 Ø38.10
Ø44 Ø44.45
Ø50 Ø50.80
Ø57 Ø57.15
Ø63 Ø63.50
Ø70 Ø69.85
Ø95 Ø95.25



API 11AX 28mm Oilfield Pump Parts Spray Metal Plunger 0








Contact Details
Puyang Zhongshi Group Co., Ltd.

Contact Person: sales

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