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MB-PL3304 M-type/G-type pressure pump one-way valve assembly (double) for Leibinger Printer Parts
The compatible Leibinger MB-PL3304 (or HMN0040) pressure pump check valve assembly (double-headed/bidirectional) is a core maintenance component for the pneumatic and pressure systems of Leibinger continuous inkjet printers (CIJ). This double-one-way valve assembly is primarily installed in M-type and G-type pressure pumps to precisely control unidirectional airflow and liquid flow, maintaining stable ink pressure within the printer chassis.
Item No :
MB-PL3304Order(MOQ) :
1Payment :
via paypal, Western Union, Money Gram, bank, credit guarantee etcProduct Origin :
ChinaColor :
NONEShipping Port :
XiamenLead Time :
5-7daysWeight :
1kg
Core Function: This component establishes a high-tightness one-way valve control during the reciprocating motion of the pressure pump in Leibinger inkjet printers. It prevents backflow of ink, solvent, or air, ensuring the ink path system consistently reaches the set bar pressure (e.g., air supply for Jet2neo, Jet3 series, etc.).
Process and Design: This is a double-ended integrated component containing a high-precision, wear-resistant valve core and a miniature spring structure. It is perfectly compatible with Leibinger's M-type and G-type pump bases, directly replacing worn and leaking valves.
Excellent Chemical Resistance: Made of high-grade Teflon (PTFE) or specially treated solvent-resistant elastomers, it does not swell or deteriorate even after prolonged contact with highly volatile methyl ethyl ketone (MEK)-based inks, alcohol-based inks, or thinners.
Q1: When should the MB-PL3304 check valve assembly be replaced?
A: When your Leibinger printer exhibits the following abnormalities, it is usually a sign of a worn or clogged check valve due to dried ink: The machine alarm displays Pressure Too Low or pressure fluctuations are excessive. The pressure pump operates continuously at high frequency, but the system pressure fails to reach the standard value. Disassembly of the pump reveals ink backflow or airtightness at the check valve port.
Q2: Will replacing this compatible assembly affect the lifespan of my Leibinger printer?
A: No. High-quality aftermarket parts are manufactured to tolerance and pressure standards. When installed correctly and the assembly surface is kept clean, it provides the same sealing and pressure control performance as original parts, while significantly reducing routine maintenance costs for your factory.
Q3: What are the shipping methods and delivery times for shipments to Europe and America?
A: Shipping Speed: As standard industrial repair parts, orders are typically packed and shipped within 1-2 business days after order confirmation. International Express: Using DHL Express, FedEx International Priority, or UPS Worldwide Saver, shipments to the US and major European countries (Germany, France, UK, Italy, Spain, etc.) take only 3-5 days. Customs Clearance Advantages: Due to the small size and light weight of the valve assemblies, and the low declared value for small batches, they are generally eligible for fast, tax-free customs clearance channels in various countries.
Q4: What are the advantages of Kingsfang parts?
A: They are developed in-house and fully compatible with the machine's functions. A professional team provides support ranging from troubleshooting to installation and usage. Shipping is extremely fast, with tracking information available within 1–3 days. They offer a comprehensive range of parts—including hard-to-find items—and are highly popular among sellers.
Q5: Can I test the parts or visit the factory?
A: If you are unsure which parts suit your printer, feel free to contact us for a free consultation. Contact us to arrange a free sample test.
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