product detail
1. Small volume, light weight, compact structure, easy maintenance. 2. The valve plate adopts dual type, in the spring under the elastic moment of quick closing on its own. ~ 3. Because of the quick closing effect, can prevent the backflow medium, eliminate water hammer effect is strong. 4. The body structure of small length, good rigidity, safe and reliable. 5. Completely sealed, water pressure test leak is zero. 6. Easy installation, can be used for horizontal two vertical direction installation. 7. Flange connection size comply with the provisions of GB/T 17241.6-98. 8. Structure length comply with GB /T1 2221 -89, ISO5752-89. Body Disc Stem Rubber gasket Sping Name Code Name Code Name Name Code Working temp Name Cast Z Plated ductile Iron 1 Stainless steel EPDM X3 -46~+121Intemittence -50~+150 Stainless steel Ductile Irol Q Aluminum bronze 2 Neoprene X4 -29~+99Intemittence -35~+113 Carbon steel C ZG1Cr13Ni9TiStainless steel NBR X5 -35~+82Intemittence -23~+93 Stainless steel P CF8MStainless steel 5 Neoprene X7 -23~+150 CF8MStainless steel 7 Products Detailes Process Application