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Shanghai Kstone S&T Development Co .,LTD.
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SF6 N2 C4F7N Gas Blending System Mixing Device Industrial Grade

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Shanghai Kstone S&T Development Co .,LTD.

City: shanghai

Province/State:shanghai

Country/Region:china

Tel:86-21-50912468

Contact Person:
Ms.Jin View Contact Details

SF6 N2 C4F7N Gas Blending System Mixing Device Industrial Grade
Brand Name KSTONE
Model Number KSLF-28/30WY20/NZ
Certification ISO9000
Place of Origin Shanghai
Minimum Order Quantity 1
Price $2000-$100000
Payment Terms T/T
Supply Ability 100
Delivery Time 60 days
Packaging Details Carton / Wooden Box
Evacuation Pressure ≤1mbar
Pressure Range 0-10 bar
Operating Temperature -20°C to +50°C
Product Type mixing Equipment
Storage Temperature -40°C to +70°C
Vacuum Pump Double-stage rotary vane pump
Capacity 1000 kg
Detailed Product Description
KSLF-28/30WY20/NZ Gas Mixing System – SF6/N2/C4F7N Blending Solution

System Overview

kstone is a recommended manufacturer of mixed gas equipment for China State Grid, according to the 2022 (290) document.


This industrial-grade gas mixing unit is designed for SF6/N2 mixture inflation, supporting applications like SF6/CF4, SF6/AIR, and C4F7N/CO2 blending. With a 10Nm³/h mixing capacity, it's optimized for State Grid China's environmental initiatives, such as 3:7 SF6/N2 ratio gas for GIS systems. The device integrates vacuum pumping, precise gas mixing, and charging functions via a piston compressor system, filtration module, and intelligent control valves.

Technical Configuration Table

ComponentSF6 CompressorN2 CompressorMixed Gas Charging Compressor
TypeAir-cooled PistonAir-cooled PistonAir-cooled Piston
Theoretical Flow Rate14 m³/h14 m³/h30 m³/h
Max. Discharge Pressure2 MPa2 MPa5 MPa
Allowable Working Pressure1 MPa1 MPa1 MPa
Suction Pressure Range53 kPa ~ 0.5 MPa53 kPa ~ 0.5 MPa53 kPa ~ 0.5 MPa
Max. Discharge Temperature130°C130°C130°C
Lubrication SystemOil-freeOil-freeOil-free
Power Rating2.2 kW (3Φ 380V 50Hz)2.2 kW (3Φ 380V 50Hz)11 kW (3Φ 380V 50Hz)
Vacuum Pump54 m³/h pumping rate--
Ultimate Vacuum≤10 Pa (PRO-200 oil lubricated)--

Operational Capabilities

  • Gas Mixing Precision: Achieves 3:7 SF6/N2 ratio tolerance within ±0.5%
  • Environmental Applications: Supports low-GWP gas mixtures for GIS switchgear
  • System Functions: Vacuum pumping (≤10Pa), dynamic gas blending, high-pressure charging (up to 5MPa)

Equipment Specifications

ParameterSpecification
Model CodeKSLF-28/30WY20/NZ
Nominal Mixing Capacity10 Nm³/h
Applicable Gas MixturesSF6/N2, SF6/CF4, C4F7N/CO2, etc.
Control SystemPLC-based with touchscreen interface
Filtration Accuracy0.1μm (particulate) / 3ppm (moisture)
Dimensions (L×W×H)1800×1000×1500mm
Power Supply3Φ 380V 50Hz, total 15.4kW
Product Tags: SF6 gas blending system   C4F7N gas blending system   SF6 gas mixing device  
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