20c 320d Hydraulic Valve Seal Kit for E320c E320d Excavator Repair Kit

• After-sales Service：1 Year
• Warranty：1 Year
• Type：Auto Seal
• Material：NBR, FKM, Sil, EPDM, HNBR, Cr, a
• Muffler Type：Center Muffler
• Deck：Single

=== Base Info ===

• Model NO.：20C 320D
• Structure：Tc Tb Htcr Htcl Sc
• Transport Package：Box+Carton
• Specification：20C 320D
• Trademark：DOKING
• Origin：Hebei, China
• HS Code：40169310
• Production Capacity：100000pieces,Month

=== Description ===
HardnessNBR:HS75A°FR: HSS0A°PUR:HS85A°Rubber with Fabric Insertion:HS95A°Working  temperature≤32Mpa Bud -Shape  Ring≤50MpaWorking MediumHydraulic Oil  CharacteristicsOzone -resistant,high/low temperature- resistant.wering resistant.oil resistant,voltage-resistant,ect ColorsVarious


Oil seal is an integral part in any rotating and moving part assembly. They close
spaces between stationary and moving components in mechanical equipment.  
An oil seal normally consists of three basic components: The Sealing Element
(the nitrile rubber part), the Metal Case, and the Spring. It is a widely used sealing
component.

Material used for vulcanization process 
--- FKM  rubber
--- Nitrile Rubber
--- EPDM Rubber
--- HNBR Rubber
--- Silicone Rubber
--- ACM Rubber

Product NameOil SealAnother NameDynamic Bearing SealMaterialsNBR, FKM, SteelTypeTC, SC, VC, KC, DC, TB, SB, VB, KB, etcStandardNOK StandardPerformanceOil resistant, Dust-proof and High Temperature resistantPackingPE bag inside, Carton outside
Other Products


Package & Brand


Our Company
Doking Industrial Limited is specialized in rubber seals, PTFE seals, PU pressure seals 
and so on, with design, development, production all in one. The annual productivity is 50
 million pcs seals and 10 million pcs PU products. The number of working staff is 100,
 including 25 technicians and senior engineers. The equipment for design, development, 
production is advanced and complete. Our products vary from five product lines and 1000 
different products, such as reciprocating oil seals, rotary oil seals, valve oil seals, high 
pressures oil seals, PU products, Our seals have been exported to all over the globe, mainly 
to Europe and Asia. Doking Industrial Limited oil seal company takes everyman as its
 fundamental, and innovation as its soul. It put ISO/TS16949:2002 Quality Management 
System into action efficiently by earnestness, implement, honesty and communication.
 It is striving for meeting the customers' request and surpassing their expectation by 
depending on all staff participate, conducting Zero Defect manage-ment, controlling process strictly, improving processes continuously, quality products and service.



Production line & Our work shop


Our Competitive Advantages
1 Have established rubber property test lab and have tensile strength machine,
thermostatic oil tank, aging test machine, compression set test machine, secondary
cure oven, Density 
test machine and so on.
2.Top quality custom rubber products that can completely meet your needs.
3. Fast production & in-time delivery that never delay your project and usage.
4. One-stop custom service and value-added service to save your time and cost.
5. OEM/ODM Services are available. We can design and produce various
Non-standard Rubber Parts according to your PDF,3D or STEP drawing files.
6. All of rubber finished products are 100% inspected before shipment.


Delivery