ISO10497 ISO19921 ISO19922 Compliant Fire Resistance Valve Tester Product Overview YYF015 Fire Resistance Valve, Hose & Pipe Tester with adjustable dropping height of 30-40mm and platinum electrode configuration. Compliance Standards: ISO10497, ISO19921, ISO19922 Key Features Adjustable dropping height: 30-40mm Platinum electrode configuration Comprehensive fire resistance testing capabilities Designed for valves, hoses, and pipes Ideal for fire protection laboratory