Explosion-proof magnetic starter can control AC 50Hz, 380V three-phase asynchronous motor direct start, stop, and overload, short circuit, phase loss and pressure loss protection. Explosion-proof magnetic starter is mainly applicable to hazardous areas in zone 1 or zone 2 in explosive gas atmospheres. Explosive gases and vapours are IIB or IIC, T4 and below. Direct start of three-phase asynchronous motors with control AC 50Hz and rated voltage up to 380V , stop or reverse use, with overload, phase loss, voltage loss, short circuit protection.
Explosion-proof magnetic starter is used as equipment nameplate, coal safety mark, explosion-proof mark, eye-catching, shell without cracks, open welding, deformation and paint off, and anti-corrosion treatment, the inner wall must be evenly painted arc resistant paint, fastening bolts, Nuts, washers, etc. are complete, fastened, and free of rust. The specifications of the nut and bolt in the same part of the explosion-proof magnetic starter are the same. The specification of flat washers and spring washers should be consistent with the bolt diameter. Proof magnetic starter fastening bolts, nuts should be locking means, the fastening member with a bolt of screw eye impermeable, Xu left rear fastening screw is greater than twice margin threaded locking washer thickness. The length of the bolt screwed into the screw hole should not be less than the diameter of the bolt, single cast iron, copper, aluminum parts should not be less than 1.5 times the diameter of the bolt.
After the explosion-proof magnetic starter nut is tightened, the threads of the bolt shall expose 1~3 pitches of the nut. No additional washers shall be added under the nut to reduce the protruding length of the bolt. The explosion-proof joint surface shall be kept clean and complete, and shall not have rust and paint. Should be coated with anti-rust oil or phosphating. Explosion-proof magnetic starter observation window hole seal and transparency is good, no damage, no cracks, the shell must be provided with galvanized grounding bolts, and marked with a grounding sign. After the live parts inside the explosion-proof magnetic starter opening, warning signs shall be provided "Electrical Hazard" and other words, the complete explosion chamber components, and no defects or cracking.
The Lever Hoist is made of high strength low carbon alloy steel,high elastic spring with double pawl brake system design featuring stable operation and smooth braking.
It is all significant for improving the security and dependability of the braking system through designing dust cover of braking system.
Within auto-clutch,worker can handle the Load Chain with one hand when there is No-Load.
We design sealed guide chain construction to ensure the load chain running safely.
The top and bottom hook are made of forged high strength alloy, accomplished by heat treatment process. The hooks also have three stretch indicators. However if by any chance the hook is overloaded there is no fear of it breaking, it will simply gradually start straightening out, avoiding any load drop or personal injury.
Precision cast steel latch in bottom hook with embedded design can prevent the bottom hook off effectively.
The stainless steel cap nuts on shell of the hoist protect the screw from various injuries of exposed outdoor for long time and severe chemical environment. This design is also simple to disassemble, easy to maintain
Every Huaige brand hoist individually proof load teat to 1.5WLL with individual serial number.
MBL of 400% of WLL.
Meeting requirement of EN13157
If the handle is locked under a shock load, the lock-releasing mechanism acts to set the handle free to move.
Products Show:
FAQ:
What is our factory product range?
1) We are specialize in chain block, lever block, Electric Hoist, Webbing Sling, cargo lashing,
Hydraulic Jack, forklift, mini crane, etc.
2) Hoist Accessories: Load chain, wire rope, Rigging , hook ,pulley and shackles.
How to order the products?
Send the inquiry with detail item description or with ITEM number. Tell us the quantity you need, the size of goods, and the packing.
If there is no packing demand we take it as seaway packing.
If possible please attach one reference picture to avoid any misunderstanding or any links from our website for we get a better understanding.
About sample:
Cost with free if the quantity small, and the express charge account into buyer`s.
About payment:
T/T, LC in U.S. Dollars or EUR, for small orders, PayPal is ok.
About lead time:
Cause all of our products manufacturer according customers order,
usually within 35-40 days after receipt of your deposit.
How Will My Order Be Shipped?
Usually shipped by sea, small order or urgent order can by air or by courier after received your agreement.
How long does it take to receive my order?
According the distance from China to your port. Usually from China to European about 22 days.
To West of American 20 days. To Asia 7 days or more.
To Middle East more 30 days.
By air or by courier will be faster, within 7 days.
About mini order:
Different products with different limited, please contact us to confirm.
What's your quality guarantee?
We have different kinds of products which can meet different quality standard.
YANFEI QC department will teset products before shipping. We have 100% quality guarantee to customers. We will be responsible for any quality problem.
What's benefit will you bring?
Your client satisfied on the quality.
Your client continued orders.
Your can get good reputation from your market and obtain more orders.
Manual Lever Hoist,Hand Lever Hoist,Manual Lever Block,Manual Chain Lever Hoist
Hebei Liston Lifting Rigging Manufacturing Co., Ltd. , https://www.liftingriggingfactory.com