The D1331L is a specialized rectangular shaft shower door system designed for professional bathroom manufacturers, focusing on precision and adaptability. Its left-direction rectangular shaft structure ensures secure installation and smooth operation, making it a top choice for custom bathroom projects and high-end venues.
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Opening method | Rectangular shaft (left direction) | ||
Standard of size | M1=1200 | M2=900 | H=2100 |
Size range | M1=1000-1600 | M2=800-1300 | H=1900-2400 |

• Dual-size adjustability: M1 (main width) 1000-1600mm and M2 (secondary width) 800-1300mm, fitting irregular or custom-shaped shower enclosures.
• Left-direction shaft: Optimizes space in bathrooms with left-aligned fixtures (e.g., toilets, vanities) by avoiding layout conflicts.
• Robust rectangular shaft: Delivers superior load-bearing compared to round shafts, suitable for heavy glass panels.
• Precision Alignment: The rectangular shaft’s flat sides ensure the door stays aligned with the frame, reducing friction and extending the life of moving parts.
• Heavy-Glass Compatibility: Supports glass panels up to 12mm thick, ideal for manufacturers offering premium, high-end shower products.
• Corrosion Resistance: The shaft is coated with electrophoretic paint, protecting against moisture and chemical cleaners (e.g., bathroom detergents).
For homes with non-standard bathroom layouts (e.g., L-shaped, corner showers), the D1331L’s dual-size adjustability (M1=1000-1600mm, M2=800-1300mm) fits irregular spaces. The left-direction shaft avoids blocking access to nearby fixtures like vanities or storage cabinets.
In luxury hotels, spas, or boutique resorts, the product’s ability to support thick glass panels (12mm) enhances the premium look. The rectangular shaft’s sleek design complements high-end bathroom decor, aligning with the venue’s luxury branding.
The rectangular shaft (25mm×15mm cross-section) provides 30% more load-bearing capacity than standard round shafts, supporting glass weights up to 35kg. It is made of high-strength aluminum alloy, ensuring rigidity without adding excess weight.
• Standard size: M1=1200mm (main width), M2=900mm (secondary width), H=2100mm (height) – a versatile base for most custom projects.
• Custom range: M1 extends from 1000mm (small corner showers) to 1600mm (large open showers), M2 from 800mm (narrow secondary sections) to 1300mm (wide secondary areas), H from 1900mm to 2400mm.
Compatible with both recessed and freestanding shower bases. Pre-drilled holes in the frame simplify alignment with wall studs, reducing installation errors for manufacturers’ teams.
• Custom Design Consultation: Assign a dedicated engineer to work with manufacturers on adjusting M1/M2/H parameters for unique projects (e.g., curved walls, high ceilings).
• Installation Training: Offer on-site or online training sessions for manufacturers’ installers, covering best practices for rectangular shaft alignment and glass panel mounting.
• 5-Year Warranty: Provide a 5-year warranty on the rectangular shaft and a 2-year warranty on other components, positioning manufacturers as reliable suppliers in the market.
Opening method | Rectangular shaft (left direction) | ||
Standard of size | M1=1200 | M2=900 | H=2100 |
Size range | M1=1000-1600 | M2=800-1300 | H=1900-2400 |

• Dual-size adjustability: M1 (main width) 1000-1600mm and M2 (secondary width) 800-1300mm, fitting irregular or custom-shaped shower enclosures.
• Left-direction shaft: Optimizes space in bathrooms with left-aligned fixtures (e.g., toilets, vanities) by avoiding layout conflicts.
• Robust rectangular shaft: Delivers superior load-bearing compared to round shafts, suitable for heavy glass panels.
• Precision Alignment: The rectangular shaft’s flat sides ensure the door stays aligned with the frame, reducing friction and extending the life of moving parts.
• Heavy-Glass Compatibility: Supports glass panels up to 12mm thick, ideal for manufacturers offering premium, high-end shower products.
• Corrosion Resistance: The shaft is coated with electrophoretic paint, protecting against moisture and chemical cleaners (e.g., bathroom detergents).
For homes with non-standard bathroom layouts (e.g., L-shaped, corner showers), the D1331L’s dual-size adjustability (M1=1000-1600mm, M2=800-1300mm) fits irregular spaces. The left-direction shaft avoids blocking access to nearby fixtures like vanities or storage cabinets.
In luxury hotels, spas, or boutique resorts, the product’s ability to support thick glass panels (12mm) enhances the premium look. The rectangular shaft’s sleek design complements high-end bathroom decor, aligning with the venue’s luxury branding.
The rectangular shaft (25mm×15mm cross-section) provides 30% more load-bearing capacity than standard round shafts, supporting glass weights up to 35kg. It is made of high-strength aluminum alloy, ensuring rigidity without adding excess weight.
• Standard size: M1=1200mm (main width), M2=900mm (secondary width), H=2100mm (height) – a versatile base for most custom projects.
• Custom range: M1 extends from 1000mm (small corner showers) to 1600mm (large open showers), M2 from 800mm (narrow secondary sections) to 1300mm (wide secondary areas), H from 1900mm to 2400mm.
Compatible with both recessed and freestanding shower bases. Pre-drilled holes in the frame simplify alignment with wall studs, reducing installation errors for manufacturers’ teams.
• Custom Design Consultation: Assign a dedicated engineer to work with manufacturers on adjusting M1/M2/H parameters for unique projects (e.g., curved walls, high ceilings).
• Installation Training: Offer on-site or online training sessions for manufacturers’ installers, covering best practices for rectangular shaft alignment and glass panel mounting.
• 5-Year Warranty: Provide a 5-year warranty on the rectangular shaft and a 2-year warranty on other components, positioning manufacturers as reliable suppliers in the market.
