ISO 9001
SMACNA
01
Front View
Enlarge
Product Code: CEI-DCA / TDF · DM-35/40 · Companion Angles · G-Clamp
Duct Connection Accessories
إكسسوارات توصيل المجاري
Complete range of duct connection accessories — TDF flange clips, DM-35/40 slide-on flanges, corner pieces, G-clamps, companion angles, splitter dampers and acoustic liner components.
Frame Material
Quick Query?
WhatsApp Us →
ISO 9001:2015SMACNADW144
Description
Product Description
DuctCastle supplies a complete range of duct connection accessories for professional rectangular and circular ductwork installation — all manufactured to SMACNA requirements and ASTM A653 galvanized steel standards.
TDF Flange Clip System
Galvanized steel clip 0.8–1.2mm "G-90" 275gr/m² — connects flanges with hand tool. 30" factory length cut to 6" on site. TDF corner 1.2mm reinforced, SMACNA approved.
DM-35/40 Slide-on Flange
Roll-formed galvanized steel, ASTM A653 G90 zinc, gauge 18. Available in DM-35 and DM-40 profiles. SMACNA recommended. Corner with 10×12mm ellipse bolt hole.
G-Clamp (Duct Flange Clamp)
Galvanized steel G-clamp in 30mm, 35mm and 40mm types — used on duct flange profiles for joining rectangular air conditioning ducts in HVAC projects.
Companion Angles (J3–J6)
Hot-dip galvanized steel angle flanges: 25×25×3mm (J3), 30×30×4mm (J4), 40×40×4mm (J5), 50×50×5mm (J6) — with bolted joints per SMACNA tables.
Splitter Dampers
Aerofoil blade splitter damper with piano hinge and control rod — DuctCastle standard. Length A×1.5. Medium radius bend splitters: 1 splitter (400–800mm width), 2 (801–1600mm), 3 (1601–2000mm).
Acoustic Liner Components
Welding pins (Z-Section and L-Section), insulation guards, metal nosing for liner leading edges — per SMACNA acoustic liner installation requirements.
Specifications
Technical Specifications
| Parameter | Value | Unit |
|---|---|---|
| TDF Clip Thickness | 0.8mm · 1.0mm · 1.2mm galvanized steel "G-90" | mm |
| TDF Clip Length | 30" factory length → cut to 6" on site | in |
| TDF Corner | 1.2mm galvanized steel "G-90" 275gr/m² — SMACNA approved | — |
| DM-35/40 Flange | Roll-formed GI · ASTM A653 G90 · Gauge 18 | — |
| DM Corner Bolt Hole | Ellipse 10×12mm for bolt alignment | mm |
| G-Clamp Sizes | 30mm · 35mm · 40mm galvanized steel | mm |
| Companion Angles | 25×25×3 (J3) · 30×30×4 (J4) · 40×40×4 (J5) · 50×50×5mm (J6) | mm |
| Splitter Damper Length | A × 1.5 (A = branch opening width) | — |
| Min. Throat Radius (fittings) | 100mm (DuctCastle standard: 150mm) | mm |
| Standards | SMACNA · ASTM A653 | — |
| Country of Origin | Egypt | — |
Applications
Fields of Application
Commercial & Industrial HVAC Projects
Quality Assurance
Tests & Certificates
ISO Certification
International Quality Certifications
ISO 9001:2015
ISO 14001:2015
OHSAS 18001
International Standards
SMACNA · DW144 · IGC · UL
SMACNA
DW144
IGC
UL
Duct Test
Rigorous leakage and pressure testing to SMACNA and DW144 standards.
Duct Test 01
Duct Test 02
Duct Test 03
Air Tests
Air velocity and distribution testing.
Air Test 01
Air Test 02
Get a Quote