Product Overview
The threaded mechanical four-way connector is an important part specially designed for fire sprinkler systems, mainly used in situations where water needs to be distributed. It's made up of four branch pipes, and each end has a standard internal thread interface, making it easy to connect with other firefighting equipment that has external threads.
Product Description
Detailed Description
A mechanical tee features a single side outlet, whereas a mechanical cross features two mutually perpendicular side outlets on the same main pipe.
- Material: QT450-10 ductile iron (ASTM A536 65-45-12 compliant)
- Surface Finish: Fire-red epoxy coating; hot-dip galvanizing available for water supply applications
- Gasket: EPDM saddle-type gasket
- Standards: GB5135.11, T/CECS151; UL/FM/CE certifications available
- Rated Pressure: 1.6 MPa / 2.5 MPa (1.6 MPa commonly used for fire protection systems)
- Applicable Medium: Clean water for fire protection; temperature range: -34°C to 110°C
Technical FAQ
Application limits
- Can it be used for steam above 150 C?
- No. Do not use for steam above 150 C unless a written project-specific approval, rated gasket, and compatible body material are confirmed.
- Can it replace any grooved fitting without checking pipe OD?
- No. Pipe OD, groove standard, working pressure, gasket material, and certification scope must be matched.
- Is it suitable for potable water by default?
- No. Potable water use requires confirmation of coating, gasket compound, local sanitary approval, and project compliance.
- Can it be used in corrosive chemical service?
- Not by default. Chemical compatibility must be verified against the medium, concentration, temperature, and coating system.
Order & Delivery
Shipping and lead time
- Factory: Weifang, Shandong, China
- Port: Qingdao Port, approx. 2 hours
- Lead Time: FCL 15-20 days
- Certificate: EN 10204 3.1 mill test certificate available
Certifications
Quality & compliance
Junyue products are manufactured under ISO 9001, ISO 14001, and ISO 45001 management systems, with UL listings and CE marking for international markets.
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