Frequently Asked Questions
Q1: How about your equipment quality and price ?
We only provide brand new equipment to our users, and our equipment is either lightly customized or fully customized based on users medium, usage requirements and application scenarios, etc. Please contact us and our engineer team will tailor solution, calculate lead time and offer a quote for you.
Q2: What kind of payment terms are accepted ?
T/T by bank, Western union
Q3. How long is the warranty period of the product ? Do you provide technical support ?
We provide 12 months quality warranty period. In addition, we also provide lifetime technical support.
Q4: What is the power source of high pressure pump ?
There are two methods to power the high-pressure pump: (1). Powered by 2-8 bar compressed air which comes from Air compressor normally; (2). Powered by compressed nitrogen which comes from a nitrogen cylinder normally.
Q5: What is the working temperature of high pressure pump
The working temperature range of high pressure pumps is -50℃ to 100℃. Therefore, high-pressure pumps are suitable for most low-temperature liquefied gases. Gas is more likely to heat up during compression, so we equip with self-cooling system on gas booster pump.
Q6: How to select right model of high pressure pump ?
We provide multiple series and models of high pressure pumps for you to choose from. Welcome to contact us for product brochure and data sheet. Or provide the following information to us, then our engineer will match the suitable model for you.
(1).What medium do you want to boost ? Liquid, gas or liquefied gas ?
(2). What is the current pressure of your medium ?
(3). How high pressure do you want to obtain ?
(4). Do you have requirements for outlet flow rate ?
Q7: Can you customize high pressure equipment for me ?
Yes, we are able to customize high pressure equipment to suit your application requirements. We have a experienced engineer team. Just need to us your usage scenario, our engineers will tailor solution and offer price for you.
How We Ship Your Goods from China
Senwell will choose the most suitable shipping method according to your destination country and your personal preference. Such as ocean shipping, air shipping, railway transportation, truck transportation, international express.
In order to avoid damage to your goods during transportation and to ensure that you receive the goods intact, we use plywood boxes to pack the goods and place flexible cushioning materials between the goods and the plywood box. The bottom of the wooden box has forklift feet, which makes it easy for you to unload and transfer the goods. In addition, we will insure your goods when they are shipped.
High Pressure Booster Pump Maintenance And Trouble-Shooting
Regular maintenance of high pressure booster pumps can effectively extend their service life. With many years of experience in air driven hydraulic pumps, chemical injection pumps, gas boosters and air pressure amplifiers manufacturing and after-sales service, we have summarized the maintenance tips, common troubleshooting and repair methods of high-pressure pumps into the following table for users’ reference.
| Fault | Reason | Solution |
| The pump has no reciprocating action, and the muffler does not exhaust air or exhausts air slightly | Reversing valve (spool valve) is stuck | Take off the circlip, take out the reversing valve, remove the dirt, apply grease and install it |
| Muffler blocked | Take the muffler off, clean it and install | |
| The pump has no reciprocating action, and the muffler has a lot of exhaust air | The O-ring of the reversing valve is seriously worn | Take off the circlip, take out the reversing valve, replace a new O-ring, apply grease and install it in reverse |
| The pump works, but the stroke is not in right place, the frequency is abnormally fast or slow | The firing pin is stuck | Remove the firing pin with needle-nose pliers, wipe it clean, install and tighten it |
| The O-ring of the firing pin falls off | Remove the firing pin with needle-nose pliers, reset the O-ring, install and tighten it | |
| The pump works normally, but does not pressurize, or can pressurize but cannot reach the rated pressure | The check valve is stuck or there is foreign matter in the check valve | Check the check-valve, clean up the dirt, and install it |
| High pressure piston seal ring wears seriously | Remove the muffler and block the exhaust hole with your hands, if the exhaust pressure is abnormally high, it proves the seal ring of the high-pressure piston is severely worn and must be replaced with a new one | |
| After reaching the preset pressure or maintaining the pressure for a period of time, the pump will not stop | The firing pin leaks | Remove the firing pin, clean up foreign matter or replace a new O-ring, and install it in reverse |
| Reversing valve (spool valve) leaks | Remove the Reversing valve, clean up foreign matter or replace a new O-ring, and install it in reverse | |
| The seal ring in outlet check valve damaged | Remove the check-valve, replace with a new seal ring | |
| High pressure piston seal ring wears | Replace with new sealing ring | |
| Pump does not maintain pressure | The outlet check-valve is stuck by foreign matter, resulting in lax opening and closing | Remove the check valve, clean up foreign matter, and reinstall it |
| The seal ring in outlet check- valve damaged | Remove the check-valve, replace with a new seal ring |