Our company provide 330kV oil-immersed power transformer ,with capacity of 360MVA and below. The transformer is based upon world-wide advanced technology and also incorporates the experiences of internationally leading transformer companies as well as our own long-term experiences. Low loss, low partial discharge and high short circuit withstand capability series transformers are achieved through innovation and optimization. Our transformer conform entirely with latest national standard GB1094.1~2-1996, GB1094.3-2003, GB1094.5-2003 and international standard IEC-76. Outstanding features as follows: 1. Low loss, low noise The core laminations are composed of imported high quality grain-oriented cold-rolled silicon steel sheets with chamfered joints and the joints are step-lapped with 5 steps, thus ensuring low loss and low noise. The inside of the tank is lined with magnetic and copper shields, measures have been take for metallic structural pares located in high magnetic field, to deduce stray loss and thereby the total load loss, and to relieve local overhearing. Performance standard of 330kV class transformers which designed and manufactured by our company, can reach GB 10-type or GB11-type, and the noise is much lower than GB. 2. Safe and reliable service Reliability is the everlasting objective of our company, partial discharge of finished products are constantly kept below 100pC, ensuring that the transformers can be operated under long service voltage and occasional over-voltage without trouble. Low current density in winding conductor and appropriate cooling arrangement ensure that the winding temperature rise and top oil temperature rise are lower than that specified in the national standard by more than 5K and that the mechanical stress in winding conductor during short circuit does not exceed certain safe limit. Together with technological procedures during manufacture and other means to elevate mechanical strength, transformers can withstand server short circuit in all case during service. 3. Easy erection and maintenance To minimize erection work at sit, transformers are so fabricated that lifting the active part out of the tank for inspection after arrival at sit is not mandatory. Beside, all components to be mounted on the transformer at site have been preassembled before dispatch, and all secondary wirings have been laid down into conduits on the transformer and connected to the terminals in the control cabinet or terminal box. Natural oil circulation and forced air cooling (ONAF) are generally adapted in our 180kV class transformers below 240MVA. 70% nameplate rating can still be achieved in case the fans are out of service. Little maintenance work is required for the cooling devices. 4. Careful fabrication Vertical winding machines with tension device are used for winding, so that the windings can be wound more tightly and therefore mechanically strength as a whole. All insulation parts subjected to mechanical stress during short circuit, such as spacers in windings are made with T4 densified pressboard to deduce shrinkage. Drying process for the windings are carried out twice, once for ht individual winding, and again for the assembled phase block. After core and coil assembly, an additional vapor phase drying (VPD) is once more carried out to ensure that all insulation parts are thoroughly dried and no further shrinkage is possible to occur during service. All the high voltage terminals and nearby metallic structural parts are rounded up to prevent partial discharge. High voltage bushing terminals are contained with turrets, and kept concentric with the turret. All the leads are properly crimped and metallized to be rounded up. VPD process insures that the moisture content within the transformer is kept at a very low level, and the core and coil assembly is once more cleaned by condensed vapor flowing down the surfaces. The fabricated tanks are relived from welding stress and shot-blasted integrally, so as to be free form oil leakage trouble and to give the tank a clean, pleasant looking appearance. fumigation wooden case
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1. Current overload or line surge shutdown 2. High temperature compressor shutdown. 3. High pressure alarm shutdown. 4. Low pressure alarm shutdown. 5. Low oxygen cocentrator alarm. Oxygen concentrator: 0.5-5L/min Purity: 95%+_3% Working system Continuous Power Supply AC230V.50Hz/AC220V.60HZ AC120V.60Hz Power: 390VA Net Weight: 16kg( Gross weight: 18.5kgs) Warranty: Long-life compressor designed for 1000 hours of maintenance-free use. Size: 33*26*54cm
3ply face mask comfortable for user. The face mask is latex free and use brand new hypoallergenic material, odourless and lint free. Product Disposable 3-Ply Non-Woven Face Mask with Ear Loop Size 18cm x 9.5cm (18cm after expended) Color Blue/Green/White/Yellow/Pink or can be customized Outer Layer Spund-bound PP Nonwoven: 20 - 25 gsm Filter Medium Meltblown PP Nonwoven: 18 - 20gsm Inner Layer Lint free ES Nonwoven: 25 gsm Nose Piece Aluminum Packaging 50 pieces per box or 50pcs per bag; 10 boxes/bags per carton. 1600 cartons/20 ft container , 3200 carton/40 HQ container. MOQ 50,000 pieces min order Quantity: 10,000PCS/Day MOQ : 10,000 pieces Packaging: 50 pieces per box/bag; 40 boxes per carton. Payment condition: TT Shipping Duration: 7 Days ( ONE WEEK) Origin: Thailand/China Condition: Subject to availability
Product Name Fashion Consumable Personal Protection Particulate N95 Mask Material Non woven fabric+ Melt Blown Filter+ Non Woven Fabric Shape Molded Cup/Cone Application Farm buildings, Mining, Weaving,Polishing,Pharmacy,Hardware,Cement Size 190*130mm Carton size 310*200*145mm Packing details 50pcs/Carton Product's details Adjustable aluminum nose clip to offer better fit
Jumbo Bags : Name : Big bag/Bulk bag/Jumbo bag/FIBC/Super sack/Ton bag Raw Material : Polypropylene virgin material Color : White, blue, Beige, or whatever Printing : Onside or both sides in multi-colors,offset print color print Size : As the customers requirement Type of bag : U-panel,Circular,baffle Weave : 10x10,12x12,can be customized or as the customer requirement Denier : 700D to1000D Weights/m2 : 120gm to 240 gm or as the customers requirement Feature : Breathable and airy, anti-static, UV stabilization, reinforcement dust-proof, moisture- proof Sealing : Single/double fold saw bottom Top Filling : Top full open,top skirt,top filling spout Bottom : Flat bottom,discharge spout Saftey factory : From 3:1 to 6:1 Liner : coated or with liner bag for moisture proof Usage : sand,cement, chemical,mineral,sugar,food,flour,etc. Packing : 20pcs/bundle(bale), or as the customized MOQ : Above 1000pcs Delivery Time : 20-30 days after place an order Trade Term : FOB Payment Term : T/T