Standard or Nonstandard: Customed Structure: Check Pressure: Low Pressure Power: Pneumatic Material: Rubber, Fluorosilicone,Silicone Temperature of Media: Normal Temperature Media: Gas ,water , oil Port Size: See below drawing Place of Origin: Fujian, China (Mainland) Model Number: DJT022 Brand Name: www.rubbervalve.com Application: General Product name: non return rubber valve mini umbrella shape Valve type: rubber,check,plastic,water,pressure reducing,standard Certificate: ISO9001:2008 Type: Umbrella Opening pressure: 0-2 kpa Samples: Available Feature: Miniature Ship: Air/Express/Sea Service: OEM/ODM