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{ "products": [ { "_id": "61baec8de01cf00001d90f77", "fptag": "BAFFLESCOOLINGSYSTEMS", "merchantname": null, "customwidgets": null, "externalsourceid": null, "name": "Fan silencer baffle", "description": "Splitter or baffle silencers are commonly used for in Heating, Ventilation and Air conditioning systems and as inlet or outlet silencer on gas turbines. Baffles are also used to reduce noise from cooling fan inlet for large IC- engine. In dissipative type fan silencer baffles can be seen as periodic arrangement of parallel rectangular absorbers, which can be placed in rectangular duct. Baffles Cooling Systems is one the leading manufacturers in industrial silencer, cooling towers, heat exchangres, pressure vessel and storage tank for all industrial application using high grade material and fallow all industrial standards and codes.\nEach splitter normally consists of a bulk-reacting fibrous type material separated from the airway by a thin perforated metal sheet. Each perforated sheet is joined to a metallic fairing at either end of the baffle to channel airflow between each baffle and to lower the pressure drop across the silencer. Baffles Cooling Systems, we offer our product with better price with best quality and we made customized product only.", "price": 0.0, "discountamount": 0.0, "currencycode": "INR", "priority": 1000000, "isfreeshipmentavailable": false, "shipmentduration": 7, "_keywords": [ "end", "price", "codes", "noise", "airway", "airflow", "Heating", "product", "Splitter", "Ventilation", "best quality", "storage tank", "gas turbines", "cooling towers", "pressure vessel", "heat exchangres", "outlet silencer", "metallic fairing", "rectangular duct", "perforated sheet", "baffle silencers", "large IC- engine", "cooling fan inlet", "industrial silencer", "high grade material", "industrial standards", "periodic arrangement", "leading manufacturers", "industrial application", "Baffles Cooling Systems", "Air conditioning systems", "thin perforated metal sheet", "parallel rectangular absorbers", "bulk-reacting fibrous type material", "dissipative type fan silencer baffles" ], "isarchived": false, "isavailable": true, "applicationid": null, "productindex": 43, "imageuri": "https://productimages.withfloats.com/actual/61baec8f36b2270001ed4ac3.jpg", "tileimageuri": "https://productimages.withfloats.com/tile/61baec8f36b2270001ed4ac3.jpg", "images": null, "totalqueries": 0, "gpid": null, "groupproductid": null, "createdon": "2021-12-16T07:36:45.991Z", "updatedon": "2021-12-16T07:36:45.991Z", "buyonlinelink": null, "producturl": "http://WWW.BAFFLESCOOLINGSYSTEMS.IN/products/fan-silencer-baffle/43", "availableunits": -1.0, "iscodavailable": false, "isprepaidonlineavailable": false, "maxcodorders": 0, "maxprepaidonlineorders": 0, "uniquepaymenturl": null, "brandname": "BCS fan silencer", "category": "Industrial Silencer", "tags": [ "fan silencer manufacturer", "duct silencer manufacturer", "baffle manufacturer", "splitter manufacturer" ], "variants": false, "keyspecification": null, "otherspecifications": null, "pickupaddressreferenceid": "", "paymenttype": "None", "producttype": "products", "hsncode": null, "gstslab": 0.0, "isnotforsale": false }, { "_id": "6124ab40f4b1de0001f5a755", "fptag": "BAFFLESCOOLINGSYSTEMS", "merchantname": null, "customwidgets": null, "externalsourceid": null, "name": "Natural Gas vent silencer", "description": "Natural Gas vent silencers are the noise control device used during the venting of natural gas. BCS , Natural gas vent silencers are best in material quality and performance. The natural gas vent silencer process when gas enters the silencer through a diffuser and passes through the annular space between the acoustic packing where the sound energy is absorbed and escape through the vent to atmosphere. Natural gas silencers control blow down noise through a reactive- absorptive process, which provide good attenuation across all octave frequency bands. Baffles Cooling Systems, is one the prominent company in designed and manufacturing all type of industrial silencers based on the application with best in quality and excellent finishing.", "price": 0.0, "discountamount": 0.0, "currencycode": "INR", "priority": 1000000, "isfreeshipmentavailable": false, "shipmentduration": 7, "_keywords": null, "isarchived": false, "isavailable": true, "applicationid": null, "productindex": 35, "imageuri": "https://productimages.withfloats.com/actual/6124ab45890258000178ac47.jpg", "tileimageuri": "https://productimages.withfloats.com/tile/6124ab45890258000178ac47.jpg", "images": null, "totalqueries": 0, "gpid": null, "groupproductid": null, "createdon": "2021-08-24T08:18:08.84Z", "updatedon": "2021-08-24T08:18:08.84Z", "buyonlinelink": null, "producturl": "http://WWW.BAFFLESCOOLINGSYSTEMS.IN/products/natural-gas-vent-silencer/35", "availableunits": -1.0, "iscodavailable": false, "isprepaidonlineavailable": false, "maxcodorders": 0, "maxprepaidonlineorders": 0, "uniquepaymenturl": null, "brandname": "BCS Natural gas vent silencer", "category": "Industrial Silencer", "tags": [ "Natural gas vent silencer", "Natural gas vent silencer manufacturer", "gas vent silencer" ], "variants": false, "keyspecification": null, "otherspecifications": null, "pickupaddressreferenceid": "", "paymenttype": "None", "producttype": "products", "hsncode": null, "gstslab": 0.0, "isnotforsale": false }, { "_id": "61237e98f2e78f000180d87a", "fptag": "BAFFLESCOOLINGSYSTEMS", "merchantname": null, "customwidgets": null, "externalsourceid": null, "name": "Compressor Silencer", "description": "Compressor silencers are used to arrest the noise from high speed blowers, fans and centrifugal air handling devices, while the processor machine is running it will suck the air surrounding by rotating of fans the blower causes the horrible noise due to maximum pressure of air to arrest that noise using centrifugal compressor silencer. Baffles Cooling Systems is one of the leading manufacturer of industrial silencer for all type of application with best quality in product with prominent price. compressor silencers are used in the application such as exhaust air, dust collection, maximum sound absorption, minimal airflow restriction and pressure drop and in ventilation air system.. ", "price": 0.0, "discountamount": 0.0, "currencycode": "INR", "priority": 1000000, "isfreeshipmentavailable": false, "shipmentduration": 7, "_keywords": null, "isarchived": false, "isavailable": true, "applicationid": null, "productindex": 34, "imageuri": "https://productimages.withfloats.com/actual/61237e9b85bd11000131b753.jpg", "tileimageuri": "https://productimages.withfloats.com/tile/61237e9b85bd11000131b753.jpg", "images": null, "totalqueries": 0, "gpid": null, "groupproductid": null, "createdon": "2021-08-23T10:55:20.641Z", "updatedon": "2021-08-23T10:55:20.641Z", "buyonlinelink": null, "producturl": "http://WWW.BAFFLESCOOLINGSYSTEMS.IN/products/compressor-silencer/34", "availableunits": -1.0, "iscodavailable": false, "isprepaidonlineavailable": false, "maxcodorders": 0, "maxprepaidonlineorders": 0, "uniquepaymenturl": null, "brandname": "BCS compressor silencer", "category": "Industrial Silencer", "tags": [ "compressor silencer manufacture", "blower silencer manufacture", "centrifugal compressor silencer" ], "variants": false, "keyspecification": null, "otherspecifications": null, "pickupaddressreferenceid": "", "paymenttype": "None", "producttype": "products", "hsncode": null, "gstslab": 0.0, "isnotforsale": false }, { "_id": "5cd82e15d452d70001d6ccdf", "fptag": "BAFFLESCOOLINGSYSTEMS", "merchantname": null, "customwidgets": null, "externalsourceid": null, "name": "DRY COOLING TOWER", "description": "Dry cooling tower is one of the moderate cooling tower. Nowadays customer preferred in this type of cooling tower . Textiles ,Leather , footwear and clothing sectors its very used for in this type cooling tower . Its main advantage is no more water subsequently for continues processing. So need of water requirement is very low compare than other cooling towers and not comes water moisture from coil.\nDry cooling tower is made up of no of wounded coil . Coil has designed based on the technical specifications like flow rate and temperature . Coil tube material is copper tube , Stainless steel ( 304 series) and brass tubes .Copper tubes has been bend at the two side of the corner . In this particular bending area make radius form, so water goes to passing continuously without interruption.\nAll the tube connected area must welded by brazing . All the welding done by qualified welders only . Finns are wrapped on the tubes . Finns wrapped based on heat transfer area .So cooling performance will be very high . \nDry Cooling tower Features :\n•\tCoil mounted on the ISO standard channels . Coils connected with parallel and serial.\n•\tFan and Motor mounted on the top of the frame. Fan has been dynamic balanced with motor rotation of RPM. \n•\tAfter manufacturing coil , BCS would be conducted hydro pressure test for found any leakage on the coil tubes.\n•\tTube bending joints welded by brazed by qualified welders.In this bended area thinning calculated for min thickness at the particular area.\n•\t Frames and sheet metal works has been powder coated.\n•\tIn suction of air passing side fixed grid for security for finns . At the top of the area motor side fixed bird screen grid . \n•\tInlet and Outlet Nozzle are welded with coil , after welding area examined by NDE ( Penetrate test ) .\n•\tHydro pressure test conducted after assembled the cooling tower at 21 kg/cm² ( 300 psi ) .\n•\tNo need more water consumption .\n\nApplication area of the DRY COOLING TOWER :\n\tTEXTILE MILLS \n\tKNITTING COMPANY\n\tTARN & THREAD COMPANYS\n\tPRINTING COMPANY\n\tFABRIC \n\tHOSPITALS \n\tMALLS ,THEATRES\nData requirement for design construction : \n•\tFLOW RATE ( LPM)\n•\tINLET TEMPERATURE ( °C )\n•\tOUTLET TEMPERATURE ( °C )\n•\tDBT (°C )\n", "price": 0.0, "discountamount": 0.0, "currencycode": "INR", "priority": 1000000, "isfreeshipmentavailable": false, "shipmentduration": 0, "_keywords": [ "area thinning", "area motor side", "water requirement", "Dry cooling tower", "water consumption", "heat transfer area", "type cooling tower", "Coil tube material", "hydro pressure test", "cooling performance", "ISO standard channels", "moderate cooling tower", "Cooling tower Features", "particular bending area", "technical specifications" ], "isarchived": false, "isavailable": false, "applicationid": null, "productindex": 29, "imageuri": "https://productimages.withfloats.com/actual/5cd82e4dc4626a000190c14a.jpg", "tileimageuri": "https://productimages.withfloats.com/tile/5cd82e4dc4626a000190c14a.jpg", "images": null, "totalqueries": 0, "gpid": null, "groupproductid": null, "createdon": "2019-05-12T14:30:45.005Z", "updatedon": "2019-05-12T14:31:40.178Z", "buyonlinelink": null, "producturl": "http://WWW.BAFFLESCOOLINGSYSTEMS.IN//dry-cooling-tower/29", "availableunits": -1.0, "iscodavailable": true, "isprepaidonlineavailable": false, "maxcodorders": 0, "maxprepaidonlineorders": 0, "uniquepaymenturl": null, "brandname": null, "category": "Dry cooling tower", "tags": [ "Dry cooling tower" ], "variants": false, "keyspecification": null, "otherspecifications": null, "pickupaddressreferenceid": null, "paymenttype": "None", "producttype": "products", "hsncode": null, "gstslab": 0.0, "isnotforsale": false }, { "_id": "615c1372cf5f560001ee5f23", "fptag": "BAFFLESCOOLINGSYSTEMS", "merchantname": null, "customwidgets": null, "externalsourceid": null, "name": "water cooled condenser", "description": "condenser is a device used to transfer a heat , while steam enter using cold water to reduce the heat of the steam and gives the condensed or pure water. condenser are in three main types they are Air cooled condenser, Water cooled condenser and Gas cooled condenser. condenser are used mainly in heat exchange system, steam power plant,food factory, chemical process distillation etc.. Baffles Cooling Systems is one the trusted company in manufacturing condenser using high grade material and our products are fully customized. In water cooled condenser water is act as cooling medium. it consist of copper coil located in steel shell, in water cooled condenser the steam inside the tubes of multiple phase while cold water is passing on the nozzle inlet is used to condensed the steam and gives liquid state and the condensed water is used for re-circulation process.", "price": 0.0, "discountamount": 0.0, "currencycode": "INR", "priority": 1000000, "isfreeshipmentavailable": false, "shipmentduration": 7, "_keywords": null, "isarchived": false, "isavailable": true, "applicationid": null, "productindex": 42, "imageuri": "https://productimages.withfloats.com/actual/615c13742505570001ec340b.jpg", "tileimageuri": "https://productimages.withfloats.com/tile/615c13742505570001ec340b.jpg", "images": null, "totalqueries": 0, "gpid": null, "groupproductid": null, "createdon": "2021-10-05T08:57:22.76Z", "updatedon": "2021-10-05T08:57:22.76Z", "buyonlinelink": null, "producturl": "http://WWW.BAFFLESCOOLINGSYSTEMS.IN/products/water-cooled-condenser/42", "availableunits": -1.0, "iscodavailable": false, "isprepaidonlineavailable": false, "maxcodorders": 0, "maxprepaidonlineorders": 0, "uniquepaymenturl": null, "brandname": "BCS water cooled condenser", "category": "Heat Exchanger", "tags": [ "condenser manufacturer in Coimbatore, water cooled" ], "variants": false, "keyspecification": null, "otherspecifications": null, "pickupaddressreferenceid": "", "paymenttype": "None", "producttype": "products", "hsncode": null, "gstslab": 0.0, "isnotforsale": false }, { "_id": "5cc65e07f7618600011dbb37", "fptag": "BAFFLESCOOLINGSYSTEMS", "merchantname": null, "customwidgets": null, "externalsourceid": null, "name": "Sewage Treatment MS Tube Heat Exchanger", "description": "Product Details:\n\nMedium Used\tOil, Water\nApplication\tSewage Treatment MS Tube Heat Exchanger\n\nWe are producing a brilliant quality scope of MS Tube Heat Exchanger for Sewage Treatment.\nMS HEAT EXCHANGER is a device which is used for reducing heat for processing fluid. Its widely used in this type of all the industries. Its constructed shell side and tube side. In shell side have no of tubes accumulated and passed hot fluid passes through shell side . Cold side ,fluid passes on the tubes . Its have one ,two three ,four and mutli pass based on the design specification . Fluid kept maintain in turbulence range.We have dealing in all heat exchanger for all the Industrial applications areas.", "price": 0.0, "discountamount": 0.0, "currencycode": "INR", "priority": 1000000, "isfreeshipmentavailable": false, "shipmentduration": 7, "_keywords": [ "tube side", "Cold side", "shell side", "industries", "mutli pass", "Product Details", "processing fluid", "hot fluid passes", "design specification", "brilliant quality scope", "Industrial applications areas", "Sewage Treatment MS Tube Heat Exchanger" ], "isarchived": false, "isavailable": true, "applicationid": null, "productindex": 19, "imageuri": "https://productimages.withfloats.com/actual/5cc65e1cd1442e00019fe402.jpg", "tileimageuri": "https://productimages.withfloats.com/tile/5cc65e1cd1442e00019fe402.jpg", "images": null, "totalqueries": 0, "gpid": null, "groupproductid": null, "createdon": "2019-04-29T02:14:31.097Z", "updatedon": "2019-05-11T11:32:20.104Z", "buyonlinelink": null, "producturl": "http://WWW.BAFFLESCOOLINGSYSTEMS.IN/products/sewage-treatment-ms-tube-heat-exchanger/19", "availableunits": -1.0, "iscodavailable": true, "isprepaidonlineavailable": false, "maxcodorders": 0, "maxprepaidonlineorders": 0, "uniquepaymenturl": null, "brandname": null, "category": "Heat Exchanger", "tags": [ "Heat Exchanger", "Sewage Treatment MS Tube Heat Exchanger" ], "variants": false, "keyspecification": null, "otherspecifications": null, "pickupaddressreferenceid": null, "paymenttype": "None", "producttype": "products", "hsncode": null, "gstslab": 0.0, "isnotforsale": false }, { "_id": "5cc659adf7618600011dbb2b", "fptag": "BAFFLESCOOLINGSYSTEMS", "merchantname": null, "customwidgets": null, "externalsourceid": null, "name": "Plate Type Heat Exchanger", "description": "Product Details:\n\nApplication\tCooler, Heater, Condenser, Vaporizer\n\nPlate Heat Exchanger:\n\nPlate Heat Exchanger is a device which is used for reducing heat for processing fluid. Its widely used in this type of all the industries. Its construction have no of plates .Plates material widely used SS 316 and SS 304 .Two medium passed on PHE . One side pass Hot medium and another side is cold medium.One is composed of multiple, thin, slightly separated plates that have very large surface areas and fluid flow passages for heat transfer. Plate arrangement can be more effective, in a given space, than the shell and tube heat exchanger. Advances in gasket and brazing technology have made the plate-type heat exchanger increasingly practical. In HVAC applications, large heat exchangers of this type are called plate-and-frame when used in open loops, these heat exchangers are normally of the gasket type to allow periodic disassembly, cleaning, and inspection. There are many types of permanently bonded plate heat exchangers, such as dip-brazed, vacuum-brazed, and welded plate varieties, and they are often specified for closed-loop applications such as refrigeration.", "price": 0.0, "discountamount": 0.0, "currencycode": "INR", "priority": 1000000, "isfreeshipmentavailable": false, "shipmentduration": 7, "_keywords": [ "gasket type", "refrigeration", "allow periodic", "Product Details", "processing fluid", "HVAC applications", "Plate arrangement", "tube heat exchanger", "fluid flow passages", "plate heat exchangers", "large heat exchangers", "welded plate varieties", "One side pass Hot medium", "Plate Type Heat Exchanger" ], "isarchived": false, "isavailable": true, "applicationid": null, "productindex": 15, "imageuri": "https://productimages.withfloats.com/actual/5cc659aed1442e00019fe3df.jpg", "tileimageuri": "https://productimages.withfloats.com/tile/5cc659aed1442e00019fe3df.jpg", "images": null, "totalqueries": 0, "gpid": null, "groupproductid": null, "createdon": "2019-04-29T01:55:57.653Z", "updatedon": "2019-05-10T09:46:43.606Z", "buyonlinelink": null, "producturl": "http://WWW.BAFFLESCOOLINGSYSTEMS.IN/products/plate-type-heat-exchanger/15", "availableunits": -1.0, "iscodavailable": true, "isprepaidonlineavailable": false, "maxcodorders": 0, "maxprepaidonlineorders": 0, "uniquepaymenturl": null, "brandname": null, "category": "Heat Exchanger", "tags": [ "Heat Exchanger", "Plate Type Heat Exchanger" ], "variants": false, "keyspecification": null, "otherspecifications": null, "pickupaddressreferenceid": null, "paymenttype": "None", "producttype": "products", "hsncode": null, "gstslab": 0.0, "isnotforsale": false }, { "_id": "5cc6597589ab880001c9a522", "fptag": "BAFFLESCOOLINGSYSTEMS", "merchantname": null, "customwidgets": null, "externalsourceid": null, "name": "Kettle Reboiler", "description": "Product Details:\n\nApplication\tHydraulic and Industrial Process, Power Generation, Pharmaceutical industry, Food Process Industry, Mining & Construction Industry\n\nKettle Reboiler:\n\nKettle re boilers are very simple and reliable. They may require pumping of the column bottoms liquid into the kettle, or there may be sufficient liquid head to deliver the liquid into the re boiler. In this re boiler type, steam flows through the tube bundle and exits as condensate. The liquid from the bottom of the tower, commonly called the bottoms, flows through the shell side. There is a retaining wall or overflow weir separating the tube bundle from the re boiler section where the residual re boiled liquid (called the bottoms product) is withdrawn, so that the tube bundle is kept covered with liquid.\n\nApplications :\n\nChemical Plants\nRefineries\nRe boiler Distillation Towers", "price": 0.0, "discountamount": 0.0, "currencycode": "INR", "priority": 1000000, "isfreeshipmentavailable": false, "shipmentduration": 7, "_keywords": [ "liquid head", "tube bundle", "residual re", "re boiler type", "bottoms product", "Kettle Reboiler", "weir separating", "Power Generation", "re boiler section", "Industrial Process", "column bottoms liquid", "Food Process Industry", "Pharmaceutical industry", "boiler Distillation Towers" ], "isarchived": false, "isavailable": true, "applicationid": null, "productindex": 14, "imageuri": "https://productimages.withfloats.com/actual/5cc659774d7d59000140cd73.jpg", "tileimageuri": "https://productimages.withfloats.com/tile/5cc659774d7d59000140cd73.jpg", "images": null, "totalqueries": 0, "gpid": null, "groupproductid": null, "createdon": "2019-04-29T01:55:01.326Z", "updatedon": "2019-05-10T09:46:35.321Z", "buyonlinelink": null, "producturl": "http://WWW.BAFFLESCOOLINGSYSTEMS.IN/products/kettle-reboiler/14", "availableunits": -1.0, "iscodavailable": true, "isprepaidonlineavailable": false, "maxcodorders": 0, "maxprepaidonlineorders": 0, "uniquepaymenturl": null, "brandname": null, "category": "Heat Exchangers", "tags": [ "Heat Exchangers", "Kettle Reboiler" ], "variants": false, "keyspecification": null, "otherspecifications": null, "pickupaddressreferenceid": null, "paymenttype": "None", "producttype": "products", "hsncode": null, "gstslab": 0.0, "isnotforsale": false }, { "_id": "5cc3dd1e5ce08600019f2149", "fptag": "BAFFLESCOOLINGSYSTEMS", "merchantname": null, "customwidgets": null, "externalsourceid": null, "name": "Brazed Plate Heat Exchanger - BPHE", "description": "Product Details:\n\nPlate Heat Exchanger Type\tBrazed Plate, Fusion-bonded Plate, Gasketed Plate and Frame, Welded Plate and Block, Welded Plate and Frame\nApplication\tHeater, Vaporizer, Condenser, Cooler\n\nPlate Heat Exchanger :\n\nPlate Heat Exchanger is a device which is used for reducing heat for processing fluid. Its widely used in this type of all the industries. Its construction have no of plates .Plates material widely used SS 316 and SS 304 .Two medium passed on PHE . One side pass Hot medium and another side is cold medium.One is composed of multiple, thin, slightly separated plates that have very large surface areas and fluid flow passages for heat transfer. Plate arrangement can be more effective, in a given space, than the shell and tube heat exchanger. Advances in gasket and brazing technology have made the plate-type heat exchanger increasingly practical. In HVAC applications, large heat exchangers of this type are called plate-and-frame when used in open loops, these heat exchangers are normally of the gasket type to allow periodic disassembly, cleaning, and inspection. There are many types of permanently bonded plate heat exchangers, such as dip-brazed, vacuum-brazed, and welded plate varieties, and they are often specified for closed-loop applications such as refrigeration.\n\n \n\n \n\n Plate Heat Exchanger Applications:\n\n§ Dairy units\n\n§ HVAC plants\n\n§ Sugar plant\n\n§ Cement factories", "price": 0.0, "discountamount": 0.0, "currencycode": "INR", "priority": 1000000, "isfreeshipmentavailable": false, "shipmentduration": 7, "_keywords": [ "Gasketed Plate", "Product Details", "Cement factories", "processing fluid", "Plate arrangement", "HVAC applications", "tube heat exchanger", "fluid flow passages", "plate heat exchangers", "large heat exchangers", "welded plate varieties", "One side pass Hot medium", "Plate Heat Exchanger Applications" ], "isarchived": false, "isavailable": true, "applicationid": null, "productindex": 6, "imageuri": "https://productimages.withfloats.com/actual/5cc3dd2d0dd78b00011c7d39.jpg", "tileimageuri": "https://productimages.withfloats.com/tile/5cc3dd2d0dd78b00011c7d39.jpg", "images": null, "totalqueries": 0, "gpid": null, "groupproductid": null, "createdon": "2019-04-27T04:39:58.841Z", "updatedon": "2019-05-10T09:44:55.543Z", "buyonlinelink": null, "producturl": "http://WWW.BAFFLESCOOLINGSYSTEMS.IN/products/brazed-plate-heat-exchanger-bphe/6", "availableunits": -1.0, "iscodavailable": true, "isprepaidonlineavailable": false, "maxcodorders": 0, "maxprepaidonlineorders": 0, "uniquepaymenturl": null, "brandname": null, "category": "Plate Heat Exchanger", "tags": [ "Plate Heat Exchanger", "Brazed Plate Heat Exchanger - BPHE" ], "variants": false, "keyspecification": null, "otherspecifications": null, "pickupaddressreferenceid": null, "paymenttype": "None", "producttype": "products", "hsncode": null, "gstslab": 0.0, "isnotforsale": false } ], "hasmoreitems": false, "isapirequest": false, "totalresults": 27, "query": null, "floatingpoint": null }