Watts Safety Relief Valves feature a two-ring design that ensures sharp opening action and short blowdown, providing over-pressure protection with minimal loss of steam, gas, or vapor.

• 美国瓦茨安全阀为双环结构，其确保开启迅速，排泄短暂，以最少的蒸汽、燃气或水汽的排放实现消除压力过大状况的目的。