Copper Differential pressure bypass valve

{"cid":"312173","pid":"40161274","pimg_url":"\/\/img1.b2bforus.com\/68\/8f\/f82bf901831d\/product\/156340546_s-w400xh400.jpg","name":"Water Guard Best Selling Brass Visible Adjustable Pressure-Difference Bypass Valve Double HVAC Supply Valve","attrs":{"Price":"Negotiable","MOQ":"500 pieces","Delivery Time":"Negotiable","Brand":"Baijia"}}

{"cid":"312173","pid":"40161269","pimg_url":"\/\/img1.b2bforus.com\/68\/8f\/f82bf901831d\/product\/156340525_s-w400xh400.jpg","name":"Water Guard High Grade Discharge Diverter Valve Constant Pressure Automatic Expansion Valve","attrs":{"Price":"Negotiable","MOQ":"500 pieces","Delivery Time":"Negotiable","Brand":"Baijia"}}