AY42H a safety relief valve, safety relief valve AY42H Overview: AY42H, safety relief valve can be used for high-pressure water injection pump station piping, as the overpressure protection device. Second, the safety relief valve AY42H main performance parameters: Model Nominal opening pressure rating Operating temperature (℃) Suitable medium AY42H-160 YA802Y-160 16.0 6.3 ~ 16.0 200 water, oil and other AY42H-250 YA802Y-250 25.0 10.0 ~ 25.0 AY42H-400 YA802Y-400 YA802Y-600 40.0-60.0 20.0 ~ 60.0 Third, the safety relief valve AY42H main parts material:. NO Part Name Material 1 Body Stainless steel 2 Seat 3 4 valve bonnet stainless steel weldments 5 spring 50CrVA Dear Customer: Welcome to visit our website, Thank you for your interest in our products, if you have any suggestions or questions about our products and services, please contact us immediately. We will provide you with every possible means satisfied with the quality of service. The company realized the quality of three bags of service