The Conical Johnson Screen is a kind of tubal Johnson screen which has a wide upper part and a narrow lower part.
It is composed of support rods and V-profile wire rolling welded on the special welding machine. We can adopt different material to suit your work condition. The common material are 304, 321, 316 L, 904 L, duplex steel 2205, duplex steel 2207, Monel. etc
Conical Johnson Screen Wedge Wire Screen,Conical Johnson Screen,Stainless Steel Conical Johnson Screen,Conical Wedge Wire Johnson Screen Xinxiang Shengda Filtration Technique Co., Ltd. , https://www.filtrations.nl
Tedrail is committed to provide railway freight transportation system solutions for customers, the railway vehicle design team has rich experience,with the design and manufacture ability for railway vehicles such as open-top wagon,covered wagon,flat car,hopper car,tank car,special car,vehicle accessries.Our product meets AAR,EN,UIC,TB and other related international standards,and we can provide fast and high quality service at any moment for the customers.
Main flat car types: general flat car,container car,multi function flat car for common goods and container transportation,multigang joints container car,etc
Structure: with floor and without floor;with center sill and without center sill;
Axle load:16t-40t
Temperatures:-40ºC to +50ºC
NX70 Specifications
Type: NX70
Gauge: 1435mm standard
Bogie Type: K5 or K6
Volume size: 77m3
Loading capacity: 70t
Tare weight: Less than 23.8t
Axle load: 23t (+2% -1%)
Equivalent length: 1.5
High of center of gravity empty: 738mm
Tare-to-load ratio: 0.34
Load per meter of track: Less than 5.73 t/m
Min radius of curvature negotiated: 145m
Design Speed: 120 km/h
Braking distance: Less than 1400m (loaded & emergent)
Whole wagon braking leverage: 7.8
Braking ratio: Empty 24.1% and loaded 17.9% (common braking level)
Clearance limit: In conformance with Chinese National Standard GB146.1-1983Moving Dimensions for Locomotives and Rolling Stocks on standard gauge
Basic dimensions:
Length of wagon: 16366mm
Fixed distance of wagon: 10920mm,
Length of bottom frame: 15440mm
Max width of wagon: 3157mm
Max height of empty wagon: Mm
Max width of bottom frame: 2960mm
Height from top of rail to floor top when empty: 1216mm
Height from top of rail to loading face of International container when empty: 1216mm
Height from top of rail to coupler center when empty: 880mm
Wheel diameter: 840mm
Max load on loading unit length: 1m-30t, 2m-35t, 3m-45t, 4m-50t, 5m-55t
Containers loading: 45/48/50 ft international container or 1AAA/1AA/1A/1AX/1CC/1C/1CX type container stated in ISO668 items.
Description
The under frame of such wagon is of full steel welded structure. Plank floor or thick bamboo compound floor is layed on the underframe, with container locking device. Coupler draft gear contains E grade steel 17 type coupler, 17 type forged steel yoke, MT-2 draft gear. Air brake system of which the brake main pipe pressure achieves 500Kpa and 600Kpa is adopted, including 120 type controlling valve, integral spinning sealed brake cylinder, stainless embedded air reservoir, ST2-250 type BI-direction brake shoe slack adjuster, KZW-A type empty and load automatic adjuster and automatic braking equipment in derailment condition and so on. Stainless steel brake fittings, piping system and high friction coefficient compositive brake block are used. Hand brake device is NSW hand brake machine. Converted K6 bogie is adopted.
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working conditionÂ
loading capacityÂ
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2*20ft
70t
40ft
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