Product Description Code:XGQT03 Size: 6''-10''(DN150-DN250) Material: Ductile iron ASTM A536, 65-45-12 Dimension: ISO6182,AWWA C606,GB 5135.11 Connection:ASME B36.10,ASTM A53-A53M,ISO 4200 Thread: If have ISO 7-1,BS 21,BSPT, NPT,ASME B1.20.1 Pressure Rating: 175PSI-500PSI Surface Treatment: Red Painting,Epoxy Coating ,Hot-Dip Galvanized,Electroplated Bolt & nut: ASTM A449/ CLASS 8.8/ ISO 898 Gasket: EPDM, Nitrile, Silicone rubber, etc. Certificate: UL Listed / FM Approved Application: Fire Protection,Waterworks,HVAC,Plumbing,GAS,Irrigation,or other piping systems Ductile iron mechanical tee Grooved end ,Mechanical tee Grooved end ,Mech Tee ,Mechanical Tee thread end. Mech Tee thread end.Tee is also known as pipe fittings tee or tee fittings, tee joints, etc. It is mainly used to change the direction of the fluid, and is used in the main pipeline to branch the pipe. Mechanical tees are divided into grooved mechanical tees and threaded mechanical tees. It can be used to directly connect branch pipes on steel pipes, and has more applications in the installation of fire pipes and sprinkler pipes. When shunting or merging is required, a mechanical tee can be used to first open a hole in the steel pipe with a hole opener, and then the mechanical tee is snapped into the hole, and the hole is sealed along the pipe wall by a sealing ring around it. Quality Control: what is the rigid and flexible Coupling difference? Coupling play an important role in connecting pipe segments to prevent leaks caused by damaged or damaged joints while maintaining the integrity of the pipe in the process. It is a very suitable fitting for the pipe and pipe industry. Most pipe installations require multiple pipe sections to be joined together or cut to facilitate changing direction and traversing obstacles. A fitting is a concise pipe or pipe. It has a socket or female thread at one or both ends. Fitting allows two pipes or pipes of the same or different sizes to be joined together to form a long pipe. Flexible coupling Flexible couplings are designed to transmit torque while allowing some radial, axial and angular misalignment. They can accommodate angular misalignment of up to a few degrees and some parallel misalignment. Elastic couplings allow for some angular misalignment and axial movement, meaning they can be used to create smooth bends and absorb thermal expansion contractions in piping systems. In some cases, the use of elastic couplings can even exclude conventional expansion joints, loops and other expansion devices from the system entirely. When assembling a stretch rubber gasket, the gasket is slightly smaller than the pipe diameter at both pipe ends and produces the first seal. The two halves of the coupling are then placed around the washers that adapt to them. The coupling halves are bolted together to further improve the seal. FAQ 1. What is the minimum quantity of the order? Answer: The purchase volume of mixed products is 4 tons 2. How long is the delivery time of the order? Answer: The delivery time for general orders is about 30 days. If the order is urgent and we have stock, around 7 days. 3. What payment methods do you accept? Answer: We accept payment terms such as TT, L/C, DP, Western Union, Paypal, etc. 4. Where is your departure port of shipment? Is it possible to deliver to the designated warehouse? Answer: The port of departure of our goods is generally Tianjin Port or Qingdao Port. We can transport the goods to designated warehouses, such as Yiwu, Guangzhou, etc. 5. What certificates do your products have? Answer: Our products have FM/UL certificates, and we cooperate with third-party quality inspection certification before the factory, such as SGS,TUV 6.What are t