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<title><![CDATA[EC21 Product Catalogs - ballasts.]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/ballasts.--1814/1/ballasts..html]]></link><item>
<title><![CDATA[Lab Energy-saving Electric Operated Two Pump Heads Diaphragm Vacuum Pump Oil Free Vacuum Pump]]></title><link><![CDATA[https://chanyonancy123.en.ec21.com/Lab-Energy-saving-Electric-Operated--12026627_12027349.html]]></link><description><![CDATA[ballast
Yes
Valve plate material
FFKM
Diaphragm material
PTFE+FKM
Gas pipe material
FEP
Pumping connector material
PTFE+C
Gas ballast material
FKM/PTFE+C
Air chamber material
ETFE
Dimensions
270W*250]]></description><pubDate><![CDATA[20241219]]></pubDate></item>
<item>
<title><![CDATA[High-Efficiency Two-Stage Rotary Vane Pump for Industrial Applications PNK-DP-020C]]></title><link><![CDATA[https://pronotek.en.ec21.com/High-Efficiency-Two-Stage-Rotary--12005008_12008563.html]]></link><description><![CDATA[ballast valve closed)
Mbar
7.0 · 10⁻⁴
Ultimate total pressure (gas‑ballast valve closed)
Mbar
5.0 · 10⁻³
Ultimate total pressure (gas‑ballast valve open)
Mbar
2.0 · 10⁻⁴
Water vapor]]></description><pubDate><![CDATA[20240923]]></pubDate></item>
<item>
<title><![CDATA[Single Stage Oil Rotary Vane Pump ATS Series]]></title><link><![CDATA[https://wspump.en.ec21.com/Single-Stage-Oil-Rotary-Vane--11583923_11583940.html]]></link><description><![CDATA[ballast
torr
0.08(0.06)
Gas ballast I
0.5(0.375)
Gas ballast II
1(0.75)
Inlet port
PF 1 1/4&quot;
Outlet port
PF 1 1/4&quot;
Motor power(50Hz/60Hz)
kW
1.5/2.0
Type of protection
IP55
Normal motor speed
50Hz
R.]]></description><pubDate><![CDATA[20230523]]></pubDate></item>
<item>
<title><![CDATA[BDR-30 1.1kw Oil Rotary Vane Vacuum Pump]]></title><link><![CDATA[https://cece0126.en.ec21.com/BDR-30-1.1kw-Oil-Rotary--10858660_10860726.html]]></link><description><![CDATA[Pump Character 
1: Double stage and high speed directly connected structure.
2: Equipped with specially designed air ballast valve to prevent water mixing with oil pump and prolong pump working time.]]></description><pubDate><![CDATA[20181126]]></pubDate></item>
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<title><![CDATA[XD Series Single Stage Rotary Vane Oil Sealed Vacuum Pumps]]></title><link><![CDATA[https://doctorpump.en.ec21.com/XD-Series-Single-Stage-Rotary--11435863_11468837.html]]></link><description><![CDATA[ballast valve is installed on the vacuum pump.
3. If pumping the gases containing dust particles, the dust filters can be installed in front of the vacuum pump.
4. If pumping the corrosive gases, the]]></description><pubDate><![CDATA[20211102]]></pubDate></item>
<item>
<title><![CDATA[Tobee Mission Magnum 8x6x14 Centrifugal Pumps]]></title><link><![CDATA[https://pump11.en.ec21.com/Tobee-Mission-Magnum-8x6x14-Centrifugal--11752849_11753821.html]]></link><description><![CDATA[ballast)• Barite, ferric oxide, and mineral oil• Base drilling muds• Glass fibers• Sugar processing• Ash or coal conveyers• Cement
Mission Magnum I Pump Parts List:
Hebei Tobee Pump Co.,L]]></description><pubDate><![CDATA[20230321]]></pubDate></item>

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