Gold Member Since 2015
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LIBO Heavy Industries Science & Technology Co., Ltd.

Hold Back Device, Backstop, Conveyor Backstop manufacturer / supplier in China, offering Conveyor Backstop with ISO9001 Certificate (NJZ 1300), Long-Life High-Speed Low-Friction Return Roller (dia. 133mm), Industrial Brake for Belt Conveyor (KPZ-1200) and so on.

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Supplier Homepage Product backstop Conveyor Backstop with ISO9001 Certificate (NJZ 1300)

Conveyor Backstop with ISO9001 Certificate (NJZ 1300)

FOB Price: US $1,199-5,999 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $1,199-5,999/ Piece
Get Latest Price
Production Capacity: 1000 Sets/Year
Transport Package: Oversea Standard Packing
Payment Terms: L/C, T/T, Western Union
Basic Info
  • Model NO.: NJZ 1300
  • Open Holes Range: 100mm-160mm
  • Ideling Resisting Moment: 35n*M-420n*M
  • Condition: New
  • Colour: as Customers′ Requirements
  • Specification: ISO9001: 2008, CE
  • HS Code: 8431390000
  • Backstop Torque: 25kn*M-1000kn*M
  • Inner Ring Speed: 150r/Min-50r/Min
  • Maximum Weight: 180kg-7100kg
  • Certificates: ISO9001, CE, SGS
  • Trademark: LBHI
  • Origin: China, Shandong
Product Description

NJZ serial Contract Wedge Backstop is a new kind of low-speed backstop used in belt conveyors, which is directly installed on driving drum shaft or low-speed shaft of gears. The precise bearings are used in the product, which ensure high coaxiality, long service life and powerful capacity of avoiding roll-back. In all, it is the best choice for belt conveyors. The device can be applied in bucket elevators and scraper conveyors.   
Product Information    

Product description     
NJZ serial Contract Wedge Backstop is a new kind of low-speed backstop used in belt conveyors, which is directly installed on driving drum shaft or low-speed shaft of gears. The precise bearings are used in the product, which ensure high coaxiality, long service life and powerful capacity of avoiding roll-back. In all, it is the best choice for belt conveyors. The device can be applied in bucket elevators and scraper conveyors.     
Technical
 performance     
1. contact-type and wedge structure provides long life time and low noise
2. large backstop torque, and good reliability
3. small size, and easy to install and maintain
4. suit for all kinds of upward belt conveyors     
Certificates  LBHI possesses complete quality system certification, including ISO9001 Quality Management System Certificate, ISO14001 Environmental Management System Certificate, OHSAS18001 Occupational Health and Safety Management System and GB/T28001 Occupational Health and Safety Management Certificate. LBHI manufactures and provides products to customers complying with American standards, European standards and international standards and possesses EN-1090-2 structural steel-work certificate, LBHI also possesses more than 250 registered patents.   
Packing 
and Freight   
1.Packing:    
We all take standard export packing cases made of exemption plates that thickness of the composite plates are about the 9mm to 15mm according with the export requirements.Of course,We also can take the wooden cases made of solid wood with fumigation and supply the Inspection Certificate of Fumigation.    
2.Freight:    
 (1)Shipping:We cooperate with good international ship agency to ensure the interests of the buyer that the buyer can receive the goods in time.We usually accept liner shipping so that we should contact duly and co-operate on the freight peak to solve those problems of transportation.If you have any other requirements,Please tell us and consult with it.    
 (2)Express and Air transport:We also move goods by express and air transport if you really have emergency demand for these goods .But we can't take the resulting costs and the scale of the goods must be small.    
 (3)International multimodal transport:The qualified MTO takes the transportation of the goods to make sure to arrive in terminal on time.We use container transport in general with the exception of special circumstances.  
Payments1.30%T/T deposit +70% sight, confirmed and irrevocable L/C         
2.100% sight, confirmed and irrevocable L/C         
3.30%T/T +70% after seeing Ocean copy or fax of Bill of Lading         
4.Other trusted platform for third-party to pay         
5.Other circumstances 
Insurance  Usually CIF to be effected by the sellers at 110% of invoice value covering Free from Particular Average(F.P.A.) as per China Insurance Clauses(C.I.C) dated 1/1/1981.OF course,if you need other service we also can cover with particular average(w.p.a.) or All Risks with War Risks.  
Technical and installation parameters
We offer the accurate technical and installation parameters that are feasible to our standard product to you so that you can make the best choices for the needs. If you have any special requirement for our product,Please let me know so as to send your needs to our engineer to deal with your problem by technical calculation on time.Above all,Please give us the accurate and comprehensive data about your project because the parameters are different according to multiple circumstances.It must makes you comfortable that we offer the professional high quality products to you.
modelBackstop Torque
(N·m)
Open Holes Range
(mm)
Inner Ring Speed
(rpm)
Idling Resisting Moment(N·m)Maximum Weight
(Kg)
NJZ2525000100-16015035180
NJZ4040000140-20015045235
NJZ5050000150-22010075380
NJZ100100000180-25010095670
NJZ130130000200-27090100750
NJZ200200000230-300901101250
NJZ280280000250-320901401550
NJZ330330000250-350801601950
NJZ530530000320-420802202800
NJZ710710000350-450802503400
NJZ10001000000410-510702804500
NJZ13001300000430-540603305400
NJZ17001700000450-620504207100

company information

Company
Introduction
LIBO Heavy Industries Science & Technology Co., Ltd
("LIBO" for short) is located at the foot of Mount Tai, as the state-level High-Tech Enterprise with integrated system of Production, Study and Research. We are specialized in the development and manufacture of complete sets and key components for bulk material handling, especially belt conveyors and stacker-reclaimer used in round stockyard. With the registered capital of ¥119.6millions, we are one of the largest companies in the bulk materials handling industry, which owns high-level technical equipment and comprehensive strength and offer full service for products
Technical
Performance 
There are more than 800 employees in total, including 244 engineers. Among these technical staff, 109 R&D personnel for engineering departments, 66 sales engineers for sales department and 69 welding engineers, Equipment engineers,Process engineers and QC engineers for producing
Overseas
 partner  
LBHI is known all over the world by its high-performance product,higher scientific and environmentally friendly mode of production.These characteristics make LBHI be the quality supplier and reliable business partners to many company in the world.  

Catalog of our company
We have many kinds of other products driving your project more efficient.There is our catalog for you,please pay some attention on it ,if you have any time and intetrest.Thanks for your time.
No.       
Classification

Product name

specification
1
Pulley

bending pulley series

all series

driving pulley series

all series
2  
Roller 

troughed roller, impact roller, screw roller, comb roller,  damping roller,wear-resisting roller,and controllable roller,etc..
1.Φ89 ,Φ 108,Φ 133,Φ 159
Φ 194,Φ 219(standard dia)
2.All Non-standard type 
accepted
3  
Cleaner

primary polyurethane cleaner
QSY 65-QSY 220
QSY Series

secondary alloy cleaner
QSE 65-QSE 220
QSE Series

non-loaded polyurethane cleaner
(QSV 65-QSV 220)
QSV Series

secondary polyurethanecleaner
QSEJ 65-QSEJ 220
QSEJSeries

electric brush cleaner
DMQ 50-DMQ 180
DMQ Series
4
Impact bed

GHCC series polyurethane impact bed

 Belt Width  500mm~2200mm
5  
Belt feeder

GLD series belt feeder
GLD 800/5.5/S/B
GLD 1000/5.5/S/B
GLD 1200/7.5/S/B
GLD 1500/7.5/S/B
GLD 1800/11/S/B
GLD 2000/11/S/B
6  
Unloader
DXL65/S/Z/Y-DXL140/S/Z/Y
DXL Series Unloader
 Belt Width 650mm~1400mm
7  
Hydraulic soft start device 
Hydraulic soft start deviceYNRQD 150
Hydraulic soft start deviceYNRQD 250
Hydraulic soft start deviceYNRQD 350
Hydraulic soft start deviceYNRQD 450
Hydraulic soft start deviceYNRQD 600
Hydraulic soft start deviceYNRQD 800
Hydraulic soft start deviceYNRQD1250
8  
Self-cooled disc controllable braking device 
self-cooled disc controllable braking device KZP- 700
self-cooled disc controllable 
braking device 
KZP- 800
self-cooled disc controllable braking device KZP-1000
self-cooled disc controllable braking device KZP-1200
self-cooled disc controllable braking device  KZP-1400
self-cooled disc controllable braking device KZP-1600
self-cooled disc controllable braking device KZP-1800
self-cooled disc controllable braking device KZP-2000
9  
Belt conveyor
Extension type belt conveyorDSJ65/20/2*55
Extension type belt conveyorDSJ65/20/1*40
Extension type belt conveyorDSJ80/40/2*40
Extension type belt conveyorDSJ80/40/2*55
strong belt conveyorDTC80/12/90S
strong belt conveyorDTC80/20/220S
strong belt conveyorDTC100/20/2*250S
strong belt conveyorDTC100/40/200X
strong belt conveyorDTC100/65/4*280A
strong belt conveyorDTC120/80/3*500S
fixed belt conveyorDTL80/12/132S
fixed belt conveyorDTL100/100/2*250
fixed belt conveyorDTL100/25/2*220S
fixed belt conveyorDTL140/100/4*355S
fixed belt conveyorDTL180/450/4*1000X

Rope structure type belt conveyor
DTS65/20/2*40

Rope structure type belt conveyor
DTS80/35/110X

Rope structure type belt conveyor
DTS80/40/2*55
10  
Pipe belt conveyor
Pipe belt conveyorGD100
Pipe belt conveyorGD200
Pipe belt conveyorGD300
Pipe belt conveyorGD400
Pipe belt conveyorGD500
Pipe belt conveyorGD600
Pipe belt conveyorGD700
 

FAQ
1.I have some question about the insurance of goods.  
Usually CIF to be effected by the sellers at 110% of invoice value covering Free from Particular Average(F.P.A.) as per China Insurance Clauses(C.I.C) dated 1/1/1981.OF course,if you need other service we also can cover with particular average(w.p.a.) or All Risks with War Risks.
2.How should I pay to my orders?  
We support these payments as following:   
1.30%T/T deposit +70% sight, confirmed and irrevocable L/C
  2.100% sight, confirmed and irrevocable L/C
  3.30%T/T +70% after seeing Ocean copy or fax of Bill of Lading
  4.Other trusted platform for third-party to pay
  5.Other circumstances
3.Can I take the goods by express or airlift if the need is urgent?  
We can move goods by express and air transport if you really have emergency demand for these goods .But we can't take the resulting costs and the scale of the goods must be small.
4.Can I know more Information about the packing and Freight of the product?
  Of course you can,you can get the detailed the information in our "Packing and Freight" module of Product Details.You also can contact with us by phone, fax and e-mail.
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