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The Malleable Iron Square Plug is a durable pipe fitting designed with ISO 7-1 BSP threaded ends. Available in galvanized and black finishes, it offers strong corrosion resistance and reliable sealing performance. Commonly used to close off pipe ends in plumbing, fire protection, and industrial applications, this plug meets FM and UL safety certifications.
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The Malleable Iron Square Plug is a durable pipe fitting designed with ISO 7-1 BSP threaded ends. Available in galvanized and black finishes, it offers strong corrosion resistance and reliable sealing performance. Commonly used to close off pipe ends in plumbing, fire protection, and industrial applications, this plug meets FM and UL safety certifications.
| Size | 1/4''-4'' | |||
| Material | malleable iron | |||
| Standard | ISO 5922/ISO 049/ISO 7-1，ISO 228 | EN 1562:1997/EN 10242:2003 | DIN 2950/1692/2999 | ANSI/ASTM A197/A197M ANSI/ASME B16.3, B16.14, B16.39 |
| Certifacate | FM/UL/CE/ABNT/SNI/SIRM/TSE/ISI | |||
| Surface Treatment | Nature Black | |||
| Hot Dip Galvanized | ||||
| Eletro Galvanized | ||||
| Work Pressures | PN25/2.5Mpa/363PSI/class150/25bar | |||
| Max Temperature | 200°C (392°F) | |||
| Tensile Strength | ≥350MPA | |||
| Elongation | ≥10% | |||
| Hardness | ≤HB150 | |||
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Product Uses
Plumbing Systems
Used to securely close off unused pipe ends, preventing leaks and contamination. Ensures system integrity and ease of future maintenance.
Fire Protection Systems
Seals off branch lines or sections of sprinkler piping to maintain water pressure and system reliability. FM and UL certifications guarantee compliance with safety standards.
Industrial Piping
Applied in factories and processing plants to cap off pipes temporarily or permanently during installation, testing, or maintenance, preventing debris entry and leakage.
HVAC Systems
Used to close off heating or cooling pipes in HVAC systems, helping maintain system pressure and avoiding fluid loss.
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| fire | oil pipeline | gas pipeline | water treatment | water Pipeline Systems | HVAC |
