| Customization: | Available |
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| Material: | 316L |
| Application: | Industry |
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Wedge Wire Screen/Johnson Screen and Filter Elements are made by winding the special wedge-shaped stainless wires (winding bars) on a group of longitudinal supporting rods (bar supporting rods) arranged in a cycle through welding. Obvious V-shaped openings will be formed in the gap between filtration pipes.It is also frequently used for inlet distributor, scale device, supporting grille of the catalyst bed, and outlet collector in a general reactor; it is especially applicable for filtration of wax oil, asphalt, and high viscosity oil.
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Product name
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Wedge wire screen/Johnson screen
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Warranty of core components
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3 years
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Material Choices
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Weldless cartridge dimension φ20-100mm
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Dimensions
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L≤2000mm
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Pore size
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15-300μm
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Package
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Wood Box
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Application
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Widely used in water treatment of electric well, natural gas well, well, chemical industry, mining, paper making, environmental protection, metallurgy, foodstuff, sand control and decorative light industry.
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CISRI HY&POR Technology Co., Ltd.(CISRI HYPOR)
Formerly known as AT&M Environmental Engineering Technology Co., Ltd.
Established in 2015 by its controlling shareholder China lron & Steel Research Institute
Group (CISRI)- a centrally-administered state-owned enterprise.CISRI HYPOR is a
national high-tech innovator recognized with qualifications, including:
"Scientific Reform Demonstration Action" Enterprise by State Council Reform Office
National Specialized and New "Little Giant" Enterprise.The 6th Batch of Manufactur-
ing Individual Champion by MIIT 100+ Patents and Technologies
Core Competencies
As an integrated engineering solutions provider with 70+ years of expertise in the
R&D, manufacturing, and application, we deliver full-spectrum services from product
development, equipment configuration, system integration and integrated solutions
through two divisions:
1. Porous Materials & Industrial Applications
Building on our proprietary sintered metal porous materials, we engineer end-to-end
industrial filtration systems that enable:
Process purification & emission reduction
Waste utilization & circular economy
Serving: Petrochemicals | Coal Chemistry| Nuclear Power| Fine Chemical| Poly-sili-
con| Microelectronics
Market Leadership:90%+ domestic market share in fly ash filters
Sole Shell-certified manufacturer in China
2.Hydrogen Energy Materials & Engineering Solutions
Leveraging material science expertise and Class A engineering design credentials,
we provide hydrogen ecosystem solutions covering:
Core materials (GDLs, bipolar plates) of PEM FC & Electrolyzers
Electrolyzers & hydrogen generators
Fuel cell stacks/engines
Hydrogen infrastructure design & safety protocols
Global Impact:
Bulk exporter of gas diffusion layers (GDLs) meeting industry-leading benchmarks
Comprehensive hydrogen O&M systems


Q: Are you a trading company or manufacturer? Where is your operational base lo-
cated? Do you accept facility inspections?
A: We operate as an lSO9001-certified manufacturing facility located in Beijing
,Hebei China as well as Thailand. Professional visitors are welcome to schedule a visit
through our international marketing department with prior appointment. Kindly
advise your proposed itinerary for official invitation letter arrangements.
Q: What is your standard order fulfllment timeline?
A: Our service levels include:
1.Stock orders: Processed within 3-7 business days (EXW terms)
2.Custom production: (FOB basis) contingent upon order specifcations and produc-
tion complexity. We provide real-time production tracking upon order confrmation.
Q: What is your sample policy regarding availability and associated costs?
A: Sample protocol:
1.Complimentary sample units available for product validation
2.Client responsible for shipping cost (DHL/UPS/FedEx account preferred)
3.Sample lead time: 2-3 business days post-approval
Q: What payment instruments do you accept for international transactions?
A: Approved payment methods:T/T,L/C at sight,CAD, etc..
Q: What quality assurance provisions do you offer for international shipments?
A: Our warranty framework:
Comprehensive Quality Assurance:Depends
Immediate Resolution Protocol:Submit documented evidence
Overseas Support Commitment:Dedicated technical team available GMT+8
08:00-20:00
Replacement costs borne by us for verifed quality issues