New WRAS Certificate for Flap Swing Check Valve, UNIWAT® Series 507E
COMEVAL VALVE SYSTEMS expands the scope of approvals for drinking water for the range of UNIWAT ® and TORAFLEX ® valves and pipe accessories, with the new WRAS certificate for Flap Swing Check Valve, UNIWAT® Series 507E. This approval adds to the existing ones for Resilient Seated Gate Valves – UNIWAT® Series 504 -, Wafer…