1. Range (Range) Subject Matter (Subject content) This technical agreement of ZYG type pressure tank assembled composition, function, design, manufacture, test and delivery requirements The regulation specifies the requirements of constitution, main function, design, manufacture, test and delivery fo ZYG Series Combination Pressure water tank 1.2 Scope (Applicable scope) This technical agreement applies assembled ZYG type pressure tank, the equipment design, manufacturing, testing, inspection and technical basis for the delivery and as an annex to the contract. The technical regulation is applicable to ZYG Series Combination Pressure water tank. It is the technical basis of design, manufacture, test, acceptance and delivery for this device, and it's also the attachment of contract. 2. On the basis of documents (Reference) 2.1 Seagoing Steel Ships specification (CCS) Steel seagoing vessel classification rules (CCS) 2.2 GB2506-2005 "Marine flange dimensions and sealing surface" GB2506-2005 Marine pipe flanges Connection dimensions and mating face 2.3 GB / T13306-1991 signs GB / T13306-1991 Name plate 2.4 MARPOL 73/78 Convention, Annex Ⅳ Annex Ⅳ of MARPOL 73/78 2.5 IMO.MEPC.159 (55) Resolution IMO.MEPC.159 (55) Resolution 2.6 CB455 -91 "pressure tank" CB455-91 Pressure water tank 2.7 GB / T3181-1995 "paint color standard" GB / T3181-1995 Film color standard 3. Technical parameters and scope of supply 3.1. Basic parameters Basic parameter Model: ZYG-0 2 Type:. Volume: 0. 2m3 Capacity: Working Pressure: 0.4MPa Work pressure: Design pressure: 0.44MPa Design pressure: matching pumps: centrifugal vortex pump 1.5CWX-1.5 2 sets Pump set : Motor centrifugal vortex pump power: 2.2KW, 380V, 50HZ Motor power: Flow: 3m3 / h Capacity: Head: 40m Lift: speed: 2900r / min Speed: Quantity: 1 / boat Quantity: 1 set / ship Material: CCS -B Material: Carbon steel 3.2. Electrical control box protection class IP44, the power of 3PH / AC380V / 50Hz, the control box on the equipment assembled by a B overall supply. Electric control box protection grade is IP44, power supply is 3PH / AC415V / 50Hz. Control box shall be fitted on the equipment before supply. 3.3. Bulk materials using CCS-B, to take over the material used seamless steel tubes, gaskets using non-toxic rubber gasket. Body material by using CCS-B, material of connecting pipe is seamless steel pipe, gasket is non-toxic rubber gasket. 3.4. Flange choose CB / T46-2007 series, nominal pressure 0.6MPa, provide mating flange at the factory. Flanges are to be according to CB / T46-2007, nominal pressure 0.6Mpa, installation flange supplied with the equipment 3.5. Coated with non-toxic paint the body (food grade); The body surface besmear nonpoisonous coating (food grade); 3.6. Safety valve opening set to beat 0.42MPa. Safety valve set to 0.42Mpa. 3.7. Equipment made of stainless steel plate, the English words. The equipment nameplate is stainless steel material, English. 3.8. Units of measurement: ISO Measure unit: ISO 3.9. Installation: vertical Method of installation: Vertical form of protection against electric shock: Ground Protection type of anti- electric shock: earthing 3.10. The main zero, the group member list Main component list