Chongqing, China
Business Type:
Trading Company
Number of Employees:
Year of Establishment:
Management System Certification:
ISO 9001
Average Lead Time:
Peak season lead time: one month
Off season lead time: one month
OEM/ODM Service

Vacuum Smelting, Tranformer Vacuum Operation, Pump System manufacturer / supplier in China, offering Nkvw Vacuum Pumping System, Vacuum Pump and Roots Pump, Hot Sale Vacuum Transformer Oil Regeneration System Oil Dehydration Plant, Trailer Type Vacuum Transformer Oil Cleaning Machine Oil Recovery System and so on.

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Supplier Homepage Products Vacuum pump sets Nkvw Vacuum Pumping System, Vacuum Pump and Roots Pump

Nkvw Vacuum Pumping System, Vacuum Pump and Roots Pump

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Min. Order / Reference FOB Price
1 Piece US $1,000/ Piece
Production Capacity: 500 Sets/Year
Transport Package: Wooden Case
Payment Terms: L/C, T/T
Certification: ISO9001, UL, CE
Application: Transformer Oil
Voltage: 380V
Folw Rate: 50 L/min
Size: 1350*720*600 mm
Weight: 1000 Kg

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Basic Info

Model NO.: NKVW-300
Power: 9.5 Kw
Working Pressure: 133 PA
Ultimate Vacuum: 7 PA
Speed: 300 L/S
Trademark: nakin
Specification: CE, SGS
Origin: Chongqing, China
HS Code: 8421

Product Description


Series NKVW vacuum pumping system is composed of vacuum pump and Roots pump, Roots pump automatically works by the controlling of relays or electrical-contact vacuum gauge. NKVW equips an electrical control system and a cooling water system. It is quick start, big capacity of vacuum evacuating etc, widely used in vacuum smelting, welding, chemical, pharmaceutical and electric power system, particularly suitable for transformer vacuum operation.
Technical parameters:
Speed (L/S)3070150300
Ultimate vacuum (Pa)7
Working vacuum (Pa)133
Power (kW)1.853.779.5
Power supply380V 3Ph 50Hz  (As per user's option)
Weight (kg)2404005801000
Dimension (mm)700*500*1200880*600*13001000*700*15001350*720*1600
Flow Chart:

Parts Explanation:
Compound vacuum gauge: Connect with vacuum pump and Roots pump, when vacuum pump works, the machine vacuum value reach to the set-value, the booster pump will work automatically. Also it shows machine working vacuum.
Trap: Collect water and waste liquid
Level indicator: Show the water and waste liquid level
Roots pump: Pump air.
Vacuum pump: Pump air.
Vacuum compensator: Connecting device between the vacuum pump and roots pump.
Control panel Explanation:
Vacuum pump start: Startup vacuum pump
Vacuum pump stop: Stop vacuum pump
Roots pump working: When Roots pump works, this light will lighten.
Motor overload: When vacuum pump motor and roots pump motor are overload, this light will lighten, and alarm.
Power indicator: When you connect the right power, this light will lighten.
Emergency stop: If there is any bad accident, push this button to stop machine.

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