how to repair a sprinkler pipe

{"cid":"91219770","title":"4 Inch Cast Iron Pipe Repair Clamp 218-220mm Size 8\"","imgUrl":"https:\/\/img.chinax.com\/nimg\/6a\/b9\/ecb0e8c40d3d0097349f584c009e-200x200-1.jpg","attrs":{"Price":"$2.07\/pieces 1-500 pieces","Brand Name":"HENGTONG","Packaging Details":"carton box and then pallet.","Supply Ability":"500000 Piece\/Pieces per Month","Warranty":"6 months","Finish":"Galvanized ZINC","Material":"Carbon Steel Q235","Measurement system":"Imperial (Inch)","Application":"General Industry, Heavy Industry","Pipe clamps type":"No bushing","Customized support":"OEM, ODM","Product name":"Pipe Clamp","Structure":"Saddle Clamp","Size":"218-220mm","OEM":"Avaiable","MOQ":"1pcs","Color":"Silver","DELIVERY TIME":"7-10 Days","Usage":"Tube Pipe Clip","Port":"Shanghai"}}

{"cid":"91149785","title":"2\/2 Way Normally Closed Auto Drain Valve Repair Kit Solenoid Valve Armature","imgUrl":"https:\/\/img.chinax.com\/nimg\/c2\/a6\/981156c68c56b3c6dbfb77ce9412-200x200-1.jpg","attrs":{"Price":"Negotiation","Brand Name":"BRANDO","Model Number":"BAPC214339075","Minimum Order Quantity":"1000","Delivery Time":"Negotiation","Certification":"None","Place of Origin":"Ningbo, China","Payment Terms":"T\/T, PayPal, Western Union","Supply Ability":"300000sets per month","Packaging Details":"Individual Boxes, Carton, Pallet","Type":"Fittings","Guide Tube Outer Diameter":"14.3mm","Installation Height for Coil Assembling":"37.3mm","Plunger Seal for Orifice Diameter":"8.5mm","Guide Tube Material":"Stainless Steel","Seal Material":"FKM","Mounting Type":"M20 Thread","Voltage":"AC, DC All Available","Position and Way":"2\/2 Way","Applicable":"High Pressure Auto Drain Valve"}}