Roots pumps of overflow valves

Posted on Mon, 07 Mar 2022 03:52:14 +0000

The overflow valve is also called a safety valve, which can adjust the pressure in front of the valve to a certain stable pressure. The pressure spring keeps the valve closed and opens when the pressure in front of the valve increases. When the pressure difference between the intake and exhaust p...

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How often does EVP-200PB series scroll pump replace the sealing strip?

Posted on Fri, 04 Mar 2022 07:05:02 +0000

EVP-200PB 3L/s scroll pump is recommended to replace the sealing strip after about 8000 hours of operation, because after about 8000 hours, the pump cannot reach 10Pa within 20 minutes. If the customer does not have strict requirements on the working vacuum, for example, the customer requires the...

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Liquid ring vacuum pump used in wind tunnel test

Posted on Thu, 03 Mar 2022 05:17:25 +0000

Wind tunnels are generally referred to as wind tunnel tests. Simply put, according to the principle of relativity of motion, the model or object of the aircraft is fixed in the artificial environment on the ground, and the airflow is artificially created to simulate various complex flight states ...

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What is the difference between an oil vapor booster pump and a diffusion pump?

Posted on Mon, 28 Feb 2022 06:18:44 +0000

The main differences between oil vapor booster diffusion pump and diffusion pump are as follows: 1.Oil vapor booster vacuum pump is referred to as oil diffusion pump. When the low vacuum is 10~10-2Pa, the working performance is the best, and the ultimate vacuum is 5*10-3Pa; while the diffusion pu...

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Liquid ring pump vacuum pump in power industry applications

Posted on Fri, 25 Feb 2022 07:42:43 +0000

Liquid ring vacuum pump with its wide application in different industries have a very good application. One of the more common applications are power plant industry. With the continuous progress of power plant technology level, the technology and use of on-site vacuum pump requirements are becomi...

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2BE3-300 liquid ring vacuum pump introduction

Posted on Wed, 23 Feb 2022 06:46:54 +0000

The 2BE3-300 water ring vacuum pump produced by EVP company which can replace the SIEMENS 2BE3-300 pump. For standard cast iron version material with gland packing seal pump, the material of each component is as follows: The real photos of 2BE3-300 water ring vacuum pump shown as below:

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SV rotary vane pump oil Introduction

Posted on Tue, 22 Feb 2022 06:30:54 +0000

The commonly used vacuum pump oil for SV rotary vane pump is 100# or 68# oil, but if the user’s local temperature is too low or it is used outdoors, it is recommended that the customer use anti-wear hydraulic oil, which can withstand low temperature, #46/ #68, and actually does not freeze a...

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Magnetic Drive Roots Pump

Posted on Mon, 21 Feb 2022 07:49:21 +0000

Our common Roots pumps now have the following models: ZJP-70 (70L/s), ZJ/ZJP-150 (150L/s), ZJ/ZJP-300 (300L/s), ZJ/ZJP-600 (600L/s) , ZJ/ZJP-1200 (1200L/s), ZJP-2500 (2500L/s) Among them, only ZJP-70 is air-cooled, and the others are water-cooled. The water-cooled main cooling is the skeleton oi...

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Vacuum pump in freeze drying industry

Posted on Fri, 18 Feb 2022 05:56:20 +0000

Freeze drying can choose different pumps according to the size of the chamber, the required vacuum, food or industrial products. The following are our selection suggestions. When the chamber size of freeze dryer is small: 2XZ, EVP series scroll pump. When the chamber is relatively large: 2/2H sli...

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Dry Screw Vacuum Pump of Sewage Outlet

Posted on Wed, 02 Feb 2022 06:23:05 +0000

Circled in the figure below is dry screw vacuum pump’s sewage outlet, which is used for purging waste liquid discharge: If the application is not for solvent recovery, then simply place a bucket under this port to collect the waste through the purification system. If the customer’s applicat...

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