DBB Plug Valve called double block-and-bleed plug valves which is high-integrity, positive shut-off valves. Dbb Plug Valve have advantages of easy maintenanceand repair. The valve size is from 2" to 24" with matching valve pressure from class 150 to class 900. DBB Plug Valve normally used in oil tank in airport with double sealing to protect oil pipeline from any risks, such as fire or leakage etc. DBB Plug Valve Dbb Plug Valve,Double Block Double Bleed Plug Valve,General Plug Valve,Api General Plug Valve Yongjia South Trading Co.,Ltd , https://www.n-lvalve.com
 co-rotating parallel twin-screw extrusion & Research and development of extended devices
Advantages of  HUAJU Machinery ™ extruders
Excellent dispersion at high throughput rates
High pigment and additive loading levels are possible
Very simple machine operation
Long lifetime of screw and barrel parts due to specially developed screw elements
Fast and therefore economical color changes
 Â
 TYPICAL AREAS OF APPLICATION FOR PROCESSING OF MASTERBATCH
Color masterbatch
Special effect pigment masterbatch
Carbon black masterbatch
PET masterbatch
Recipe ingredients
Base polymers: PE, PP, PS, EVA, PET, PA, PC, SAN, PMMA, ABS,
TPE, POM, PEEK, etc.
 Polymer Alloying, Reaction, Additive dispersion, Coloring
Materials
Polyolefin, Engineering plastics
Additives, Pigments
1-5%
Flame retardant
20-60%
Polymer Alloying
PP/Elastomers,PC/PET,PC/PBT,PC/ABS,PPE/PA, ABS/PVC, PET/PBT,POM/TPU,PA/Elastomers
Masterbatch compounding
Materials
Polyolefin, Engineering plastics
TiO2
50-70%
Carbon black
30-50%
Pigments
20-40%
Fillers
Talc,CaCO3,BaSO4 ... 60-80%
SiO2,Wooden powder,Glass beads ... 30-50%Fillers, GF compounding
Materials
Polyolefin, Engineering plastics
GF, CF
30-60%
Fillers(Talc,CaCO3,BaSO4)
20-40%
Plastic magnet, Ferrite
less than 90%
Degassing
Materials
Powder, Beads, Melt
PMMA,ABS,PC,PS,HDPE
0.1-3%
Monomer, Solvent, Moisture
Centralized supply systemÂ
Â
ODM design central computer unified managementÂ
integrating all kinds of processing equipment and production equipment connected. Â
concentration and drying, automatic mixing, a multi point remote quantitative delivery
Advanced High Torque Gearbox
ODMÂ Design & Manufacture Acceptable
More than ten years experience in design and manufacture of gearbox,
The bearing capacity is up to 30% above the traditional configuration,
the radial bearings prolonged up to 20 thousand hours.
Each gearbox has been tested at least 24 hours running to ensure stable and reliable quality.
Range of output rotation:300-800rpm,suitable for screw diameter:18-132mm
Torque level: T/A3≈9-11N•m/cm3;
There are hundreds of our company's gear box on which running all kinds of extrusion line to create value forÂ
customer all over the world.
Service system
Before sale services
Introduce products and applications in detail
According to processing materials and formula, offer a suitable quotation.
Offer lab for test
Manufacturing
Provide layout and engineering conditions
Inform the project processing status
In order to ensure product quality and delivery on time ,Production according to documents strictly
Â
After-sale service
Provide installation ,commissioning & training
Provide long-term technical services for free
Â
 Advanced extrusion syste
 co-rotating parallel twin-screw extrusion & Research and development of extended devices
Advantages of  HUAJU Machinery ™ extruders
Excellent dispersion at high throughput rates
High pigment and additive loading levels are possible
Very simple machine operation
Long lifetime of screw and barrel parts due to specially developed screw elements
Fast and therefore economical color changes
 Â
 TYPICAL AREAS OF APPLICATION FOR PROCESSING OF MASTERBATCH
Color masterbatch
Special effect pigment masterbatch
Carbon black masterbatch
PET masterbatch
Recipe ingredients
Base polymers: PE, PP, PS, EVA, PET, PA, PC, SAN, PMMA, ABS,
TPE, POM, PEEK, etc.
 Polymer Alloying, Reaction, Additive dispersion, Coloring
Materials
Polyolefin, Engineering plastics
Additives, Pigments
1-5%
Flame retardant
20-60%
Polymer Alloying
PP/Elastomers,PC/PET,PC/PBT,PC/ABS,PPE/PA, ABS/PVC, PET/PBT,POM/TPU,PA/Elastomers
Masterbatch compounding
Materials
Polyolefin, Engineering plastics
TiO2
50-70%
Carbon black
30-50%
Pigments
20-40%
Fillers
Talc,CaCO3,BaSO4 ... 60-80%
SiO2,Wooden powder,Glass beads ... 30-50%Fillers, GF compounding
Materials
Polyolefin, Engineering plastics
GF, CF
30-60%
Fillers(Talc,CaCO3,BaSO4)
20-40%
Plastic magnet, Ferrite
less than 90%
Degassing
Materials
Powder, Beads, Melt
PMMA,ABS,PC,PS,HDPE
0.1-3%
Monomer, Solvent, Moisture
Centralized supply systemÂ
Â
ODM design central computer unified managementÂ
integrating all kinds of processing equipment and production equipment connected. Â
concentration and drying, automatic mixing, a multi point remote quantitative delivery
Advanced High Torque Gearbox
ODMÂ Design & Manufacture Acceptable
More than ten years experience in design and manufacture of gearbox,
The bearing capacity is up to 30% above the traditional configuration,
the radial bearings prolonged up to 20 thousand hours.
Each gearbox has been tested at least 24 hours running to ensure stable and reliable quality.
Range of output rotation:300-800rpm,suitable for screw diameter:18-132mm
Torque level: T/A3≈9-11N•m/cm3;
There are hundreds of our company's gear box on which running all kinds of extrusion line to create value forÂ
customer all over the world.
Service system
Before sale services
Introduce products and applications in detail
According to processing materials and formula, offer a suitable quotation.
Offer lab for test
Manufacturing
Provide layout and engineering conditions
Inform the project processing status
In order to ensure product quality and delivery on time ,Production according to documents strictly
Â
After-sale service
Provide installation ,commissioning & training
Provide long-term technical services for free
Â
Contact Supplier Chat Now! Nitrided Parallel Twin Screw and Barrel
Engagement System: Intermeshing
Screw Channel Structure: Deep Screw
Exhaust: Exhaust
Automation: Automatic
Computerized: Computerized
Trademark: Huaju
Transport Package: Depends
Origin: China
HS Code: 8477209000
Engagement System: Intermeshing
Screw Channel Structure: Deep Screw
Exhaust: Exhaust
Automation: Automatic
Computerized: Computerized
Trademark: Huaju
Transport Package: Depends
Origin: China
HS Code: 8477209000
 Advanced extrusion syste