Shanghai Rong Titanium Valve Manufacturing Co., Ltd. is {GYA series hydraulic valve} professional manufacturers. The quality of survival, integrity and development, has a collection of scientific research, design, manufacture, sales and service in one of the high-quality workforce, strong technical force, advanced production technology. Sophisticated processing equipment, sound detection equipment, a sound quality assurance system to ensure product quality and reliability. Hydraulic valve Product description GYA series hydraulic safety valve is (valve type) breathing valve safety standby equipment, its action inspiratory and expiratory pressure slightly (valve type) breathing valve, breathing valve once failure or freeze in the winter when its valve, liquid seal is destroyed hydraulic safety valve to protect the tank from damage. Hydraulic valve mounted on the top of the tank used in conjunction with the breathing valve. Control pressure: +56 mm to -50 mm water column of water. The main dimensions of hydraulic valve nominal diameter DN Dimensions (mm) d D D1 D2 n-d1 LH GYA-80 85 185 150 125 4-18 376 424 GYA-100 105 205 170 145 4-18 500 605 GYA-150 148 260 225 200 8-18 650 705 GYA-200 210 315 280 255 8-18 900 755 GYA-250 264 370 335 310 12-18 1050 885 ordering process: First, when ordering please specify: 1. Product name, such as, 2. nominal diameter, 3. the use of pressure, 4. Temperature 5. Using the media, 6. Body material, 7. shipping address. Second, if such models selected by the design unit, please order our sales department directly by the models. Third, please call upon any special requirements when ordering products. Four, or more if unknown please call or fax, e-mail consultation. Fifth, the company of all for the purpose of customer service to availability, credibility, reliability, and all users to create brilliant.