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  5. Two-stage Anti-gas Rod Pump
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  1. Home
  2. PRODUCTS
  3. SUCKER ROD PUMP
  4. SPECIALTY PUMP
  5. Two-stage Anti-gas Rod Pump
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Two-stage Anti-gas Rod Pump

The two-stage anti-gas rod pump designed and developed by Weima adopts a slender upper plunger connect with a larger diameter lower plunger in series to divide the lower pump barrel into upper and lower two working chambers.
SPECIALTY PUMP
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Two-stage Anti-gas Rod Pump_1.pdf147.37 KB
Product Advantage

The two-stage anti-gas rod pump designed and developed by Weima adopts a slender upper plunger connect with a larger diameter lower plunger in series to divide the lower pump barrel into upper and lower two working chambers. 

Product Detail

The size ratio of the annular area of the upper and lower working chambers can be designed according to oil and gas ratio. When the oil-gas ratio is large, its size ratio will also increase.

As when the plunger is descending, the upper oil outlet valve of the pump is closed, so the liquid column at the upper part of the plunger helps the plunger to descend, and the force of the sucker rod string is better.

Specifications (Can be chosen Thin Wall Barrel or Heavy Wall Barrel, with code of H or W) 

              Name               Bottom mechanical sealed        Bottom cup sealed
           Photo

Bottom mechanical sealed.png

Bottom cup sealed.png


More information,please download the above PDF brochure.Thank you!

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