Reciprocating cryogenic pumps MRP
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Reciprocating cryogenic pumps MRP

Cryogenic pumps MRP are designed for cylindrical and buffer tanks filling under pressure of up to 420 bar. A PT 100 sensor is included in the standard scope to detect leaks.

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Description

Peculiarities of MRP cryogenic pumps:

  1. Small mass of the suction chamber (faster/better cool down).
  2. Large suction chamber volume. 
  3. Direct degassing at the highest point of the cold end (further improved by a 45° slope of the discharge line).          
  4. Improved vacuum volume. 
  5. Suction valve optimized to reduce pressure drops.  
  6. Optimized design and position of the vacuum connection.
  7. Waved line on the cylinder to avoid stresses resulting from cold contraction (extends cylinder life).
  8. Increased number of piston rings for higher volumetric efficiency.  
  9. Optimized sealing and guidance of the monel piston.
  10. Open intermediate piece, no need for purge.
  11. Oil splash lubricated crank drive with autonomous lubricating system independent of rotating directions.

Each pump is mechanically and cryogenically tested prior to its delivery. Such tests ensure the greatest productivity, which meets customer’s requirements.

Thanks to the precise diagnosis of measuring devices, necessary results are achieved:

  • differential pressure;
  • flow velocity;
  • tightness;
  • pump efficiency;
  • the height of the liquid column above the suction port of the pump;
  • noise and vibration levels.

Optional equipment:

  • PT 100 sensor for monitoring the temperature of the crank mechanism;
  • gland heater (used in case of equipment operation at low temperatures for more than three hours);
  • PT 100 sensor on the vapor return line gives a signal to control the cooling process;
  • purging of the motion mechanism.

Data sheet
10 Items
Applications
cylinder and buffer tank filling
Liquids pumped
oxygen, nitrogen, argon, hydrogen, carbon dioxide, liquefied natural gas (LNG), nitrous oxide
Drive type
oil or grease lubricated crank drive
Design pressure
MRP 40/40, 40/55: up to 420 bar; (hydrogen: up to 500 bar)
Shipping & Returns

Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the 'Complete Orders' link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

Shipping

We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

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