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About CRD
Company Introduction
History Evolution
Experimental test
UK BSRIA Leak Rate Test Passed
Australian National Laboratory VIPAC
Wen Type Valve Test Report
The Performance Test of Taipei University of Science and Technology
Project Performance
Hi Tech Electronics Factory
Pharmaceutical Hospital
Building Commercial Buildings
Institution School
Automated Production Equipment
Professional Certification
RD Patent Results
Quality Certification
US FM Certification (ETFE Certification)
US FM Certification (ECTFE Certification)
ISO Quality Certification
OHSAS Certification
Service Base
Taipei Head Office
Linkou Factory
Chiayi Factory
Jiayi Painting Factory
Products
Rectangular Duct Series
Introduction on Rectangular Duct
CGF Rectangular Duct
TDF Mechanical Forming duct
TDF-II Rectangular Duct
Angular Tefaran Duct
Moment Type Pipe Fittings Series
Moment Type Damper Series
Set Bellows Series
Silencer Duct Series
Elbow Wind Blade
Wind Pipe Reinforcement Series
Tuyere Fittings Series
Overhaul Door Series
GI Circular Duct Series
Introduction to Spiral Duct
Spiral Duct Series
General Round Tube Series
Round Fitting Series
Control Damper Series
Bellows Tuyere Series
Flange Connection Series
Overhaul Door Serie
Stainless Steel Circular Duct Series
CRD® Standard Pipe Fittings
Process Exhaust Damper Series
CRD® Duct System
CRD® Niche
Advantages of CRD®
Quality Assurance
CRD® Design and Selection Criteria
ETFE / ECTFE Coated Duct Installation Considerations
CNS Fire Damper
Wen Style Valve Series
Main Application
Wen Type Valve Features
Wenzhou Valve Member
Compliance with Standards and Tests
Wen Type Valve Specification Sheet
Wen Type Valve Diameter Comparison Table
Wenzhou valve control system selection reference
Drive
Telescopic Hose Serie
Air Duct Hanger Series
C Shaped Steel Hanger
Double C Steel Hanger
Angle Hanger
Light Shock Suspension
Heavy Lift Suspension
Shock Rings
Single Hanging
Bundle
P Clamp
Flat Iron Double Crane
Riser Tube
Saddle Seat
Shock Absorber Canvas Connector Series
General Type Shock Absorber Canvas Joint
212℉ Fireproof Type Shock Absorber Canvas Joint
500℉ Fireproof Type Shock Absorber Canvas Joint
Suspension Canvas Joint
Acid and Alkali Canvas (CBF-Flex)
Flame Resistant Canvas (Neo-Flex)
Accessories Series
TDF-II Flange Strip
CGF Double-Chip Flange Bending Angle (Straight Pipe Special)
CGF Flange Corner (Special for Pipe Fittings)
TDF Flange Corner
TDF-II Flange Corner
Flange Clamp
Screw Clamp
Heat Preservation Nails
New Heat Preservation Nails
Anti Slip Fastener
Anti Pendulum Diagonal Brace
Aluminum Foil Tape
Inner Cover
Swivel Joint
Test Hole
Universal Hanger
Full Tooth Hanger Rod
Hose Harness
Triple Flange Special Tools
Shunt Handle
Throttle Dedicated Hand/AUM
PE Flange Gasket
EPDM Flange Gasket
Soft Teflon (Sealon) Gasket
Specification Sheet
Standard Type Spiral Duct Specification Sheet
Reinforced Type and Piercing Type Spiral Duct Specification Table
Specification for Round Pipe and Flat Nozzles
Pintifaran Specification Sheet
Angular Tefaran Specification Sheet
Specification Sheet for Air Duct of Process Exhaust
Elbow Center Value Comparison Table
Chemical Resistance of ETFE/ECTFE Coating
Hot Products
Catalogs
News
Contact Us
Air Duct
Site Map
Home
Site Map
Site Map
About CRD
Company Introduction
History Evolution
Experimental test
UK BSRIA Leak Rate Test Passed
Australian National Laboratory VIPAC
Wen Type Valve Test Report
The Performance Test of Taipei University of Science and Technology
Project Performance
Hi Tech Electronics Factory
Pharmaceutical Hospital
Building Commercial Buildings
Institution School
Automated Production Equipment
Professional Certification
RD Patent Results
Quality Certification
US FM Certification (ETFE Certification)
US FM Certification (ECTFE Certification)
ISO Quality Certification
OHSAS Certification
Service Base
Taipei Head Office
Linkou Factory
Chiayi Factory
Jiayi Painting Factory
Products
Rectangular Duct Series
Introduction on Rectangular Duct
Fully automated machine-style tube forming machine
Spec table
28mm-35mm Mechanical Duct Construction Detail Drawing
Comparison table of mechanical duct
Machining mode of mechanical duct
CGF Rectangular Duct
CGF Mechanical Forming duct
TDF Mechanical Forming duct
TDF Rectangular duct
TDF-II Rectangular Duct
TDF-II Mechanical Forming duct
Angular Tefaran Duct
Angular Tefaran Duct
Moment Type Pipe Fittings Series
90RB 90° Elbow Pipe
45RB 45° Elbow Pipe
O Riser
STR Quartet Round Tube
90DC 90° size head elbow pipe
T size head Tube
45SB 45° Elbow Pipe
90SB 90° Elbow Pipe
3B-C Tri-point four-manifold
Y-T Y Type tee Tube
T T-type tee pipe
2B-T Double Split Tee pipe
1B-T Single-Split tee
2-O Double Lifting Pipe
Moment Type Damper Series
Hand Damper
AUM Air Damper
Reverse Damper
New type aluminum extruding damper for hand handle
New Type Aluminum Extrusion damper
Fire Damper
Set Bellows Series
Silencer Duct Series
Silencer Duct
Double Helix Tube
Elbow Wind Blade
Moment-shaped wind vane
Curved wind-plate clip
Wind Pipe Reinforcement Series
Cross Reinforcement
Angle Reinforcement
Tuyere Fittings Series
Circular Diffuser
Two-foot round neck diffuser
Square-type square neck diffuser
Double Grille Tuyere
Line type Tuyere
Line type Grille Tuyere
Louver type return Tuyere
Round louver External Mouth
Single-layer Grille Tuyere
Flower Plate type return wind
Overhaul Door Series
Overhaul Door Series
GI Circular Duct Series
Introduction to Spiral Duct
The world most advanced spiral duct molding machine
Advantages of spiral Duct
Spiral Duct Construction Detail Drawing
Spiral Duct Series
SD Standard Spiral Duct
SSD-Enhanced helical duct
PSD Piercing spiral Duct
DSD silencer Double Helix Duct
External insulation type Spiral duct
General Round Tube Series
Wheel welded pipe
Flat take over
Round Fitting Series
RT size Head T Tee
45T 45° Oblique Tee
T-T Tee
ER eccentric size head
R Size Header
E 45 45° Shrimp knuckle Elbow
E90 90° Shrimp Knuckle elbow
Me 45 45° model elbow
Me 90 90° model elbow
Control Damper Series
VD1 General Tei Type exposed
VD2 Air-tight hand-controlled damper
VD3 air-tight AUM Damper
VD4 Single-axis dual-blade type AUM Damper
VD5 Multi-Vane damper
CD Reverse Damper
Bellows Tuyere Series
Elimination speaker
Double Helix Tube
Flange Connection Series
AF 3-Hop 1 round Flange
F Angle
FA Angle Round Flange
FB Flat Iron Round Flange
Overhaul Door Serie
German METU overhaul Door
Stainless Steel Circular Duct Series
CRD® Standard Pipe Fittings
Straight Tube
30° Elbow (2 GORE)
45° model Elbow
45° Elbow (3 GORE)
60° Elbow (3 GORE)
90° model Elbow
90° Elbow (5 GORE)
Size Header
Single Expansion Tee
T Tee
45° Oblique Tee
T Four Pass
Square Circle
Lifting pipe
Blind Board
Process Exhaust Damper Series
Square Type Damper
Reverse Damper
Round throttle 1
Round throttle 2
Round throttle 3
CRD® Duct System
Crd-form Duct System
CRD® Niche
Crd-form Niche
Advantages of CRD®
The advantages of Crd-form
Quality Assurance
Quality Assurance
CRD® Design and Selection Criteria
CRD-FORM Design and Selection Criteria
ETFE / ECTFE Coated Duct Installation Considerations
Points for attention in installation of ETFE-ECTFE coated air duct
CNS Fire Damper
Wen Style Valve Series
Main Application
Main Application
Wen Type Valve Features
CRD Wen Type Valve Features
Wenzhou Valve Member
CRD Wen Type Valve Construction
Compliance with Standards and Tests
Compliance with Standards and Tests
Wen Type Valve Specification Sheet
CRD Wen Type Valve Specification Sheet
Wen Type Valve Diameter Comparison Table
CRD Wen Type Valve Diameter Comparison Table
Wenzhou valve control system selection reference
Text Valve Installation Schematic
Drive
Drive
Telescopic Hose Serie
Air Duct Hanger Series
C Shaped Steel Hanger
C Steel Hanger
Double C Steel Hanger
Double C Steel Hanger
Angle Hanger
Angle Iron Hanger
Light Shock Suspension
Lightweight Suspension Hanger
Heavy Lift Suspension
Heavy Suspension Hanger
Shock Rings
Suspension Rings
Single Hanging
Single Crane
Bundle
Tube bundle
P Clamp
P Clamp
Flat Iron Double Crane
Flat Iron Double Crane
Riser Tube
Riser Tube
Saddle Seat
Saddle Seat
Shock Absorber Canvas Connector Series
General Type Shock Absorber Canvas Joint
General Type Shock Absorber Canvas Joint
212℉ Fireproof Type Shock Absorber Canvas Joint
212℉ Fireproof Type Shock Absorber Canvas Joint
500℉ Fireproof Type Shock Absorber Canvas Joint
500℉ Fireproof Type Shock Absorber Canvas Joint
Suspension Canvas Joint
Suspension Canvas Joint
Acid and Alkali Canvas (CBF-Flex)
Acid and Alkali Canvas (CBF-Flex)
Flame Resistant Canvas (Neo-Flex)
Flame Resistant Canvas (Neo-Flex)
Accessories Series
TDF-II Flange Strip
TDF-II Flange Strip
CGF Double-Chip Flange Bending Angle (Straight Pipe Special)
CGF Double-Chip Flange Bending Angle (Straight Pipe Special)
CGF Flange Corner (Special for Pipe Fittings)
CGF Flange Corner (Special for Pipe Fittings)
TDF Flange Corner
TDF Flange Corner
TDF-II Flange Corner
TDF-II Flange Corner
Flange Clamp
Flange Clamp
Screw Clamp
Screw Clamp
Heat Preservation Nails
Heat Preservation Nails
New Heat Preservation Nails
New Heat Preservation Nails
Anti Slip Fastener
Anti Slip Fastener
Anti Pendulum Diagonal Brace
Anti Pendulum Diagonal Brace
Aluminum Foil Tape
Aluminum Foil Tape
Inner Cover
Inner Cover
Swivel Joint
Swivel Joint
Test Hole
Test Hole
Universal Hanger
Universal Hanger
Full Tooth Hanger Rod
Full Tooth Hanger Rod
Hose Harness
Hose Harness
Triple Flange Special Tools
Triple Flange Special Tools
Shunt Handle
Shunt Handle
Throttle Dedicated Hand/AUM
Throttle Dedicated Hand/AUM
PE Flange Gasket
PE Flange Gasket
EPDM Flange Gasket
EPDM Flange Gasket
Soft Teflon (Sealon) Gasket
Soft Teflon (Sealon) Gasket
Specification Sheet
Standard Type Spiral Duct Specification Sheet
Reinforced Type and Piercing Type Spiral Duct Specification Table
Specification for Round Pipe and Flat Nozzles
Pintifaran Specification Sheet
Angular Tefaran Specification Sheet
Specification Sheet for Air Duct of Process Exhaust
Elbow Center Value Comparison Table
Chemical Resistance of ETFE/ECTFE Coating
Hot Products
Catalogs
News
Contact Us
Air Duct
Site Map
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