Position the two halves of Watts Flange Adapter on the valve body (Fig. 1) ensuring that the lugs on each half of the flange adapters are located between the anti-rotation lugs on the valve body.

• 将法兰适配器的两半放置在阀体上的美国瓦茨法兰适配器上（图1），确保每个半边法兰适配器上的孔凸耳位于阀体上两个反旋转凸耳之间。