Quick Details Material: Copper, Aluminum or Brass Technics: Forged Type: Coupling Place of Origin: Zhejiang, China (Mainland) Model Number: OEM Brand Name: OEM Connection: quick connector Shape: Equal Head Code: Square Product name: Oil/Gas Female Fire hydrant Coupling Female Size: 1 1/2" 2" 2 1/2" etc Certificate: ISO9001-2008 Thread Type: Female Thread Technique: Casting, Die Casting, Forge Working Pressure: 1-1.6Mpa Packing: Standard Export Packing Quality Control: Strict 100% Test