High-Quality Na-Chi Pvk-2b-505 Hydraulic Pump Pvk-2b-505-N-4191b Pvk-2b-505-N-4554c Main Pump for Zx55 Excavator

• Customization: Available
• Type: Gear Pump
• Quality: High-Quality
• Model NO.: PVK-2B-505
• Applicable Industries: Building Material Shops, Machinery Repair Shops,
• Transport Package: Wooden Package
• Specification: CE
• Trademark: NACHI
• Origin: China
• HS Code: 8408100000

Product Description

Product

Parameter	Value
Pump Type	Variable Displacement Piston Pump
Model	PVK-2B-505
Displacement	50.5 cm³/rev
Rated Pressure	250 bar (3625 psi)
Maximum Pressure	320 bar (4640 psi)
Rated Speed	1800 rpm
Maximum Speed	2200 rpm
Flow Rate	Varies based on displacement and speed
Input Power	Depends on pressure and flow
Weight	Approx. 45-50 kg
Mounting Flange	SAE standard
Shaft Type	Keyed shaft or splined shaft
Fluid Type	Mineral oil-based hydraulic fluid
Temperature Range	-20°C to +80°C (-4°F to +176°F)
Viscosity Range	10 to 100 cSt
Filtration	25 µm or better

 

Company Profile

 

Shanghai HSCO Group has been committed to the research, development, and innovation of hydraulic technology since its inception, boasting a history of 18 years. We have won widespread recognition from global customers with our superb craftsmanship, reliable products, and professional services.
Shanghai HSCO Group possesses an advanced hydraulic valve processing factory, which is recognized as a high-tech enterprise and has been certified by the ISO 9001 quality management system. This ensures that every product meets the highest international standards. We hold multiple product design patents, representing our innovative strength in the field of hydraulic technology and giving our products unique competitive advantages.
In addition, we also have a specialized hydraulic seal factory capable of customizing the production of various types of seals, including  rubber seals. With advanced production equipment and a professional technical team, we ensure that every seal we produce possesses superior performance and reliability.
 

 

 

Factory Environment

 

 

We have 10 machining centers, which are imported brands with high precision; BT50 and BT40 vertical machining center made by Doosan ; radial drills ; flat grinders and turret milling machine. Ultrasonic cleaning machine and salt spray testing machine are also equipped.

 

 

Our Advantages

Technology	All of our hydraulic engineers have more than 8 years' valve group design experience.  They can choose the most suitable matching hydraulic valve parts according to the hydraulic principle to achieve its function.  The valve block design layout is reasonable with compact structure and beautiful appearance design.
Equipment	Our processing equipment are the international first-tier brand processing center. Professional customized molding tool is used for the jack and oil port of valve block to ensure the processing efficiency and precision.
SurfaceTreatment	Our steel material mainly uses high phosphorus with nickel plating, which greatly increases the rust resistance of the valveblock.  Salt spray testing machine is equipped for our company. Each batch of valve blocks are tested for 90 hours of salt spray.
Details	We have professional deburring tools and experienced staff to remove large burrs and flanges by hand grinding. Then, ultrasonic cleaning machine to clean the valve block thoroughly. The oil impurities in the internal flow of the valve block will be cleaned by the high-frequency vibration of the cleaning fluid. The endoscope is used to check the deeper drill way to ensure that the valve block is completely without burr and impurities.

 

Solutions

Quality Assurance

Closed-loop Trading Process	Scientific Production Plan Arrangement	Rigorous Quality Testing
Platformisation Drawing Management	Prompt Delivery for Customers' Orders	Sufficient Strategically Inventory
Positive On-site Support	Extensive Industry Experience	Better Post-sale Service

 

Exhibition

 

FAQ

Q1.What's the payment term?
A: We accept T/T 30% deposit and 70% balance against copy of B/L or L/C at sight, West Union,VISA,Paypal is also accepted.

 

Q2.What is the normal lead time for product orders?
A: Generally it is 5-7days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to
quantity.

Q3. What is your standard packing?
A: All the goods will be packed by carton box and loaded with pallets. Special packing method can be accepted when needed.

Q4. why should you buy from us not from other suppliers?
A:OEM&ODM Service Offered ,Provide high quality products with competitive price.
Professional QC team control.
Delivery the goods on time

Q5.Can we get a sample for reference?
A: Samples can be sent to you to check the quality, but you should pay for the postage.The charge can be returned when there is an
firm order.

Q6.How to check the quality of the bulk order?
A1: We provide preproduction samples before mass production for all customers if needed.
A2: We accept third party inspection such as S G S, TUV, INTERTEK, BV, etc.

Q7. Do you use any international standards for the rubber products?
A: Yes, we mainly use ASTM D2000 standard to define the quality of the rubber materials, tolerances as per ISO3302, ISO2768, etc.

Q8. What materials are available to produce from your side?
A: NBR, EPDM, SILICONE, FPM(FKM), NEOPRENE(CR), NR, IIR, SBR, ACM, AEM, Fluorosilicone(FVMQ), FFKM, Liquid Silicone, Sponge, etc.