警告：安全阀将会排放热水，因此必须采取预防措施防止烫伤和水损害。

Caution: Relief valve will discharge hot water, therefore precautions must be taken to avoid scalding injury or water damage.

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警告：如果阀盖不压平在阀体上，阀杆就可能扭曲和损坏。

Caution: If cover will not press flat against body, stem assembly is crooked and damage can result.

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如果安装在防火喷淋系统上，所有机械式止回阀，如警告止回阀和防回流阀，都应该根据美国国家消防协会NFPA 13和NFPA 25标准进行流量测试和内部检查。

If installed on a fire sprinkler system, all mechanical checks, such as alarm checks and backflow preventers, should be flow tested and inspected internally in accordance with NFPA 13 and NFPA 25.

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