how to repair a sprinkler pipe

{"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"}}