Marine high-velocity relief valve (pressure vacuum valve) is the controlled venting system which is necessary for oil tanker and chemical tanker. The series of df-type p/v valve is a new generation production without vibration and anti-collision. It is the safest production for oil tanker and chemical tanker. The pressure/vacuum valve is installed on the vent pipe of oil tanker and chemicals tanker. It is the only entry and exit for liquid cargo tank. 1.When loading the liquid cargo or ballasting, the pressure valve in the high velocity relief will open, then jet out combustible liquid cargo vapour/air-mixture in liquid cargo tank with the rate of more than 30m/s, and dilute in the air so that it will never drop on the deck. 2. When unloading the liquid cargo, the vacuum valve in the high velocity relief valve will open, then supply air to cabin safely so as to avoid the cabin is over-vacuumed. 3.When the tank navigate on sea, the high velocity valve can automatically adjust the pressure oscillation in the cabin which caused by temperature changes .The experiment of pressure/vacuum valve for cargo ships is done in the lab that is approved by the state organs. It is ratified by china classification society and some other classification societies through the following tests according to the above standards: 1. Fire resistant test 2. Re-burning test 3. Frozen test 4. Corrosion resistant test 5.Flowing test
among non-ferrous and ferrous metallurgy, iron, aluminum, copper, zinc, tin, nickel, tungsten, chromium, burrs and so on metals, use rotary kiln as smelting equipment, sinter, roast and direct return the ore, concentrate and intermediate. For example, during aluminum production, this is used to roast aluminum hydroxide to produce alumina; during iron making this is used to produce pellets for blast furnace.
Model HJ-99 Max. drill height 25mm Drill diameter 1-10mm Column diameter 32mm Voltage 220V,50/60Hz Input Power 240W Output power 340W Weight 5.8kg Packing qty 4pcs/CTN Speed 0-16,000(r/min)Adjustable Gross weight 6kg If your work is for a long time production, it is recommended to buy this big power mini drill press. The motor will not easily heated for a long time, it's very durable to use. Big power, high precision.
Model HJ-05 Barrel Dimension 255*160mm Capacity 1100g Dimension 390*340*460mm Weight 21kg Speed 2800rpm Color Blue Magnetic Tumbler-Large-HAJET INDUSTRY CO.,LTD Ideal tumbler for finishing gold and platinum jewelries in a short time. High speed rotation of the magnet disc. Features: Timer,clockwise and anti-clockwise rotation. Safety Instructions: Before using your machine, please read all safety instructions. They are for your protection and should always be allowed to reduce the risk of personal injury or damage to the tool. Never operate your machine during a perceptible power decrease. Turn the machine off and do not use unitl power is fully restored. The magnetic disk that actually turns the pins is made up of many powerful magnets that are precisely placed in a cast disk. The alternating polarity is constantly changing, thereby allowing the media to move freely in a liquid solution that is constantly changing its make-up. This combined with centrifugal force, allows for super quiet and fast time cycles to perform a myriad of applications.
Model HJ-08 Dimension 280*220*290mm Weight 6kg Voltage 220-110V Capacity 5kg
Trehalose. It is implicated in anhydrobiosis the ability of plants and animals to withstand prolonged periods of desiccation. It has high water retention capabilities, and is used in food and cosmetics.
boiler system, steam turbine system, generator system, dedusting system, and water treatment system. Surplus coal gas is used as fuel, with a small part of lignite, to generate electricity with surplus gas, which saves cost and reduce emissions of carbon monoxide.
Specifications: Model HJ-77 Dimension 430*350*265mm Weight 9kg Shipping Weight 15.5kg Voltage 220V Frequency 50Hz Include 2pens,1 foot control
Specifications: Model Hj-262 Power 130w Dimension 340*200*260mm Net weight 4kg Speed 0-60, 000 rpm/min Voltage 220v, 50/60hz Collet size 3/32'' Bur size 2.35mm
Model HJ-GM6 Objective 0.7x-4.5x Distance Adjustment Range 55-75mm, Diameter of circular stage 95mm Handwheel focusing adjustment range 60mm Lifting adjustment range 110mm Diopter adjustment range +-5 Diopter Working distance 95mm Round Circle Hole diameter 83mm. Base Length 240mm Base Width 155mm, Max. Height 290mm Net Weight 3.67kg.
jewelry making machine small welder dental argon arc spot welder Model HJ-44 Voltage 220V,50/60Hz Power 100W Dimension 280*160*230mm Weight 7kg
Model HJ-528 Name Vernier Caliper Measures from 0-150mm
Digital Medical Ultrasonic Cleaner 15L Dental Ultrasonic Cleaner Specifications: 15L Steam Cleaner Machine For Jewelry and Denture ModelPS-60A VoltageAC100-120V,220V-240V,50/60Hz UItrasonic Power360W Heating power300W,digital heating Frequency40,000Hz Tank size330*300*150mm Tank materialStainless steel SUS304 Unit size360*330*330mm Time1-30min Packing size465*425*425mm(LxWxH) N.W10.0kgs G.W11.0kgs
Standard:QWH-J02-92 CAS number: 298-14-6 Formula: KHCO3 Appearance: colorless and transparent crystal Relative density: 2.17 Solubility: soluble in water. Product Feature : Potassium Bicarbonate is colorless and transparent crystal. The relative density is 2.17. It is stable in the air. It is soluble in water, forming a slightly alkaline solution, but insoluble in alcohol. The solution can not react with magnesium salt yielding precipitate of alkaline salt. It begins to decompose at 100C and completely decomposes and turns into Potassium Cabonate losing carbon dioxide and water at 120C. Applications:Potassium Bicarbonate is used as a raw material producing potassium carbonate, potassium acetate and potassium arsenite. Also it is a fire-extinguishing agent for oil and chemicals. It is used in medicine and baking.
Product Feature: Potassium carbonate may be monoclinic crystal,white powder,granular crystal or prill.Relative density: 2.662 and the melting point is at 891 degree C.It easily soluble in water forming a slightly alkaline solution.it is insoluble in alcohol and ether.It is strong hygroscopicity.It easily cakes and turns into potassium bicarbonate through absorbing carbon dioxide when exposed to the air for a long time. CAS NO. 584-08-7 Specifications: Inspection Item Standard Purity(as K2CO3) 99.0%Min Chloride(as KCL) 0.01%Max Sulphate( as K2SO4) 0.01%Max Iron 0.01%Max Water in solubles 0.02%Max Burnt loss 0.6%Max Arsenic 0.0003%Max Appearance Monoclinic crystal Applications:Potassium Carbonate is used as raw materials in manufacturing electro tube, TV kinescope, computer display. It is applied in optical glass improving clarity, strength and refractive index. It is also applied in electrode avoiding electric arc breaking-off during welding. It is used to produce food additives like potassium sorbate, monopotassium phosphate, etc. Potassium Carbonate is foliar spray fertilizer and a constituent of compound fertilizer. In dyeing industry, it is used to produce vat dyestuff and discharge of ice dyeing. It is absorbent removing hydrogen sulfide and carbon dioxide; dry powder extinguisher mixed with soda; auxiliary raw material for production alcohol and acetone; and anti-aging agent in rubber production. Its solution is used in boiling and scouring of cotton and wool's degreasing. In addition, it is also used in manufacture of printing ink, photograph-drug, polyester, explosives, electroplating, tanning, ceramic, building materials, crystals and medicine.
Professional manufacturer for segment bolts and nuts production, main applied on heavy machinery on sprockets assembly and small segments repair works. Generally, bolts' design as actual application with hexagonal and half-moon head, whilst, the design of unthread rod diameter is bigger than thread rod diameter can guarantee the best strength to be hold on working well in field. Whilst, nuts' design is also thicker than common. Whilst accept to mark the logo as yours conditions on acceptable order quantity. http://railsteels.com/rail_bolt_18.html
Specifications 1.Low sulphur 2.Low chlorine 3.Low price 4.High quality 5.Straight from the factory Low benzene insolubles 2 - Ethyl anthraquinone (2-EAQ) FOR H2O2 Weifang Menjie Chemicals Co., Ltd is a manufacturer specialized in the production of 2- ethyl anthraquinone, We can offer you good quality reasonable price products .Low sulfur and Low chlorine is our best competitive advantage. 2- ethyl anthraquinone Molecular formula : C16H12O2 Molecular weight : 236 Technical index: pruduct quality meet the national GB/T23672-2009 standard
Magnesium Sulphate Product Description Agriculture grade Appearance: White granalar Purity: 99.5%min MgSO4: 48.59%min MgO: 16.24%min Mg: 9.80%min PH(5w/V%Sol): 5-9 Fe: 0.0015%max Cl: 0.02%max Pb: 0.001%max As: 0.0002%max Ggranular size(mm) 0.1-1/0.2-3/1-4 Insoluble: 0.01%max Packaging & Shipping Package:Woven bag inner-lined with PE bag, 25 kgs net weight/bag, or on customer's request. Dear customers: We will arrange produce and shippment immediately when you place the order.
Production Information: 1.product name: Aluminium chloride anhydrous 2.Appearance: Light yellow powder or granular 3.Formula: ALCL3 4.CAS: 7446-70-0 5.EINECS No.: 231-208-1 6.Purity; 99.5% min 4.Application: Mainly for catalyst 5.Place of origin: Shandong,China 6.Certificate: ISO14001;ISO9001 7.Payment terms: T/T;L/C 8. MOQ: 1MT 9.FOB port; Qingdao(Tsing Tao) 10.Sercive: Your any other special request is welcomed.
Limestone Calcium carbonate