Request A Quote 
15M Heavy Duty Stainless Steel Flag Pole Internal Halyard System
| Diameters | Top: Ø80mm / Bottom: Ø200mm |
| Wall Thickness | 3.0mm (Ultra Heavy Duty) |
| Flange Plate | 400 x 400 x 18mm |
Talk to Our Engineer Now 1. Extreme Sway-Resistant Conical Taper (Ø200mm Base)
At 15 meters (nearly 50 feet high), mitigating aerodynamic whipping and harmonic oscillation is the ultimate engineering challenge. This flagship model features an ultra-heavy-duty 3.0mm structural wall thickness. The stainless steel shaft is precision-spun into an aggressive conical taper, expanding to an unprecedented Ø200mm base diameter. This creates a massive section modulus, ensuring absolute rigidity during severe storms and typhoons.
2. Mega-Scale Anchoring: 18mm Flange & M22 Bolts
Flying ceremonial or monumental flags at 15 meters generates immense overturning moments. To completely neutralize foundation shear forces, this mast is anchored by an oversized 400x400mm square flange plate featuring an extreme 18mm thickness. The foundation kit includes four heavy-duty M22 anchor bolts with a staggering 1000mm embedment depth, permanently locking the structure into the concrete footing.
3. Vandal-Proof Internal Halyard System
High-profile civic and international installations cannot risk flag theft or the severe acoustic disruption (clanking) of traditional external ropes. This system utilizes a state-of-the-art Internal Halyard Mechanism. The stainless steel wire rope is routed entirely through the hollow shaft and managed by a heavy-duty, built-in geared hand crank. Locked securely behind a flush access door, it guarantees tamper-proof security and completely silent operation.
4. Architectural 304/316 SS & 360° Finial
Constructed from noble 304 or 316 stainless steel, the mast provides permanent immunity to rust and coastal salinity. To ensure oversized flags remain flawlessly displayed, the top assembly utilizes a 360° smooth-rotating finial. A suspended counterweight rod and precision guide bead apply continuous downward tension, preventing massive flags from tangling during turbulent weather shifts.
| Model Reference | DL01-A01G17-010 |
| Pole Height | 15M (Approx. 49.21FT) |
| Structural Material | 304 / 316 Grade Stainless Steel |
| Top Shaft Diameter | Ø80mm |
| Bottom Shaft Diameter | Ø200mm (Monumental Base) |
| Structural Wall Thickness | 3.0mm (Ultra Heavy Duty) |
| Hoisting Mechanism | Internal Halyard with Built-in Hand Crank |
| Halyard Material | Stainless Steel Wire Rope |
| Anti-Tangle Hardware | Counterweight Rod, Guide Bead & 360° Finial |
| Base Flange Dimensions | 400 * 400 * 18mm |
| Foundation Bolts | 4 Pieces – M22 (H1000mm Embedment Depth) |
| Surface Finishing | Brushed / Satin / Polished Metallic Finish (Zero Painting) |
Monumental & Civic Applications for 15M Heavy-Duty Poles
The 15-meter (49ft) architectural specification represents the absolute pinnacle of commercial engineering. With its massive Ø200mm base and 1-meter deep M22 foundation anchors, it is exclusively designed for national-level monuments, international airports, and typhoon-prone coastal mega-projects.
International Airports & Diplomatic Avenues
Display Strategy: International gateways and diplomatic avenues require towering, imposing flag arrays. The 15M height ensures oversized national flags remain highly visible from highway approaches, without being dwarfed by massive airport terminal architecture.
Structural Benefit: The extreme 400x400x18mm flange plate and 1000mm deep anchor bolts guarantee that even in a long linear array, every single mast will remain perfectly plumb and geometrically uniform over decades of exposure to high-altitude winds.
Coastal Promenades & Typhoon Zones
Display Strategy: Coastal tourist zones and port authorities require monumental flags that can withstand continuous gale-force marine winds and severe atmospheric salinity.
Structural Benefit: The 316 stainless steel option provides ultimate immunity to sea salt corrosion. The massively expanded Ø200mm base and 3.0mm heavy-duty wall thickness guarantee the structure will not yield, buckle, or fracture under sudden typhoon wind shear.
Military Bases & National Memorials
Display Strategy: National monuments and military parade grounds require a solemn, permanent display. Traditional external halyards slap violently against hollow poles in the wind, causing unacceptable acoustic disruption in spaces of reverence.
Structural Benefit: The internal stainless wire rope system completely silences the hoisting operation. The built-in geared hand crank mechanism is secured behind a locked access door, providing absolute security against unauthorized lowering.
