The Watts Series TDV valve bodies have anti-rotation lugs on the inlet and outlet. These lugs, combined with the Watts Flange Adapters, provide a ridged rotation free installation.

• 在进口和出口处，美国瓦茨系列TDV阀体有反旋转凸耳。这些凸耳，结合美国瓦茨法兰适配器，提供无旋转安装功能。