Malleable iron square head plug (Cored plug)
·Standard: ASME B16.14
UL/FM
·Material: Malleable iron ASTM A197
·Thread: NPT
·W. pressure: Class 150, 300 psi (-29°C to 66°C)
·Surface: Black iron / hot dip galvanized
·Size Range: 1/2″ —6”
description
Malleable iron square head plug (Cored plug) is a malleable cast iron pipe fitting with a square head and a hollow internal structure, used to seal pipe openings.
Specification
Available size
| Size | A (Min) | ||
| Inch | DN | mm | mm |
| 1/2″ | 15 | 21.3 | 23.9 |
| 3/4″ | 20 | 26.7 | 27.2 |
| 1″ | 25 | 33.4 | 31.8 |
| 1-1/4″ | 32 | 42.2 | 34.5 |
| 1-1/2″ | 40 | 48.3 | 36.9 |
| 2″ | 50 | 60.3 | 39.7 |
| 2-1/2″ | 65 | 73.0 | 46.0 |
| 3″ | 80 | 88.9 | 49.0 |
| 4″ | 100 | 114.3 | 64.5 |
| 6” | 150 | 168.3 | 71.5 |
application
- Temporary sealing of pipeline systems: Temporarily seal open ports of water supply and drainage pipelines during construction.
- Equipment pressure test interfaces: Seal equipment test ports for pressure testing to verify sealing integrity.
- Fire protection system reserved ports: Seal interface locations for future expansion of building fire protection piping networks.
- Ship piping maintenance protection: Seal deck piping ports to prevent seawater corrosion and intrusion.
- Industrial equipment maintenance isolation: Sealing equipment interfaces during maintenance to prevent medium leakage.
- Irrigation system seasonal sealing: Sealing irrigation pipeline endpoints during winter to prevent freezing and cracking risks.
- Oil and gas pipeline safety protection: Sealing transmission pipelines during maintenance to isolate hazardous sections.
- Laboratory pipeline management: Sealing unused experimental gas pipeline interfaces.
advantages
- Square-head quick operation: Square-head design for quick installation and removal with a wrench.
- Hollow weight-reducing structure: Hollow interior reduces weight while maintaining structural strength.
- High-pressure dynamic sealing: Maintains long-term zero leakage sealing stability under extreme conditions.
- Full-Environment Corrosion Resistance: Thickened galvanized coating resists chemical media and moisture corrosion.
- Wide Size Coverage: Fully compatible with small precision tubes to large industrial tubes.
- Impact-Resistant Reinforced Design: Reinforced structure withstands external impacts during transportation and installation.
- Temperature Change Adaptability: Maintains material sealing integrity in extreme cold and high-temperature environments.
- Lifetime Maintenance-Free Commitment: Special process significantly extends protective lifespan.
packing
- Square-shaped protective cover: Custom PE protective cover fits square-shaped heads to prevent damage.
- Double protection for threaded ends: Screw cap + foam ring composite protection seals threads.
- Single-piece collision protection: Bubble column bag completely covers the surface of the tube plug.
- Hollow structure filling: Soft foam filling inside prevents transportation resonance damage.
- Smart Size-Specific Positioning: Honeycomb cardboard compartments categorize and secure items by size.
- Visual Size Identification: Transparent windows on the outer box clearly display product dimensions.
- Full-Process Traceability System: Laser engraving + smart QR codes provide dual traceability.
- Warehouse Stacking Optimization: Boxes with interlocking structures support ultra-high-density storage.
Available size
| Size | A (Min) | ||
| Inch | DN | mm | mm |
| 1/2″ | 15 | 21.3 | 23.9 |
| 3/4″ | 20 | 26.7 | 27.2 |
| 1″ | 25 | 33.4 | 31.8 |
| 1-1/4″ | 32 | 42.2 | 34.5 |
| 1-1/2″ | 40 | 48.3 | 36.9 |
| 2″ | 50 | 60.3 | 39.7 |
| 2-1/2″ | 65 | 73.0 | 46.0 |
| 3″ | 80 | 88.9 | 49.0 |
| 4″ | 100 | 114.3 | 64.5 |
| 6” | 150 | 168.3 | 71.5 |
- Temporary sealing of pipeline systems: Temporarily seal open ports of water supply and drainage pipelines during construction.
- Equipment pressure test interfaces: Seal equipment test ports for pressure testing to verify sealing integrity.
- Fire protection system reserved ports: Seal interface locations for future expansion of building fire protection piping networks.
- Ship piping maintenance protection: Seal deck piping ports to prevent seawater corrosion and intrusion.
- Industrial equipment maintenance isolation: Sealing equipment interfaces during maintenance to prevent medium leakage.
- Irrigation system seasonal sealing: Sealing irrigation pipeline endpoints during winter to prevent freezing and cracking risks.
- Oil and gas pipeline safety protection: Sealing transmission pipelines during maintenance to isolate hazardous sections.
- Laboratory pipeline management: Sealing unused experimental gas pipeline interfaces.
- Square-head quick operation: Square-head design for quick installation and removal with a wrench.
- Hollow weight-reducing structure: Hollow interior reduces weight while maintaining structural strength.
- High-pressure dynamic sealing: Maintains long-term zero leakage sealing stability under extreme conditions.
- Full-Environment Corrosion Resistance: Thickened galvanized coating resists chemical media and moisture corrosion.
- Wide Size Coverage: Fully compatible with small precision tubes to large industrial tubes.
- Impact-Resistant Reinforced Design: Reinforced structure withstands external impacts during transportation and installation.
- Temperature Change Adaptability: Maintains material sealing integrity in extreme cold and high-temperature environments.
- Lifetime Maintenance-Free Commitment: Special process significantly extends protective lifespan.
- Square-shaped protective cover: Custom PE protective cover fits square-shaped heads to prevent damage.
- Double protection for threaded ends: Screw cap + foam ring composite protection seals threads.
- Single-piece collision protection: Bubble column bag completely covers the surface of the tube plug.
- Hollow structure filling: Soft foam filling inside prevents transportation resonance damage.
- Smart Size-Specific Positioning: Honeycomb cardboard compartments categorize and secure items by size.
- Visual Size Identification: Transparent windows on the outer box clearly display product dimensions.
- Full-Process Traceability System: Laser engraving + smart QR codes provide dual traceability.
- Warehouse Stacking Optimization: Boxes with interlocking structures support ultra-high-density storage.
