Khurmi mcq for gate
List khurmi mcq for gate
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Mechanical engineering by r.s khurmi and j.k gupta book
₹ 300
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Theory machines by r. s khurmi and j.k gustav, s. chand publisher.
₹ 350
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The gate has a rigid gate and an elastic gateaccording to the different gate plates, the gate valve is divided into a rigid gate valve and an elastic gate valvea gate valve is a gate plate of an opening and closing partthe gate valve is sealed by the contact of the valve seat and the gate platestandards: en 593, api609, api6d,
more video of gate valve, please see: https://wwwthe movement direction of the gate plate is perpendicular to the direction of the fluidthe gate valve can only be fully opened and fully closed, and cannot be adjusted or throttled
area of application
marine industry, water supply & drainage, fire fighting, shipbuilding, water treatment, power stations, energy, food, chemical, and other systems
data sheet of gate valve:
type: wafer, double flange
size & connections: resilient seated: dn50 to d600
metal seated: dn50 to dn1200
medium: waste water, water, seawater, air, inert gas, oil
related types of valves:
we can also produce check valve, globe valve, knife gate valve and ball valve with api, jis, din standard, used in oil, gas, marine industry, water supply and drainage, fire fighting, shipbuilding, water treatment and other systems, with nominal diameter of dn50 to dn1200, nbr/epdm/viton, certificates & approvals: dnv-gl, lloyds, dnv, bv, api, abs, ccs5
face to face dimensions conform to en558-1, api 594, din3202
testing conform to en12266-1, api598
material of gate valve parts
part name material
body cast iron; ductile iron; stainless steel; carbon steel
disc / flap stainless steel; carbon steel; bronze
shaft / stem brass, stainless steel monel; stainless steel inconel
seat / lining nbr/epdm/viton
ss/bronze
bolts carbon steel
nuts stainless steel
gasket/packing graphite
name plate aluminum
washer steel
handwheel cast iron
bushing/ring cast brass
actuation
worm-gear/hand-wheel
electric-actuator
pneumatic-actuator
hydraulic-actuator
gate valve features
advantages:
low flow resistance
the medium can flow in any direction on both sides, easy to installthe use of ptfe packing is reliable and easy to operate
the structure is compact, the valve has good rigidity, the channel is smooth, the flow resistance is small, the sealing surface is made of stainless steel and hard alloy, and the service life is longcom/watch?v=ai-lt1dy2su
materials: cast iron / ductile iron/ carbon steel / stainless
steel / alu bronze
pressure rating: pn10, pn16, pn25
temperature: -30°c to 200°c
seat/lining: replaceable liner / bonded liner
nbr/epdm/viton; ss/bronze
certificates & approvals: dnv-gl, lloyds, dnv, abs, bv type approval
3
large height and long opening and closing time
the structure length is small
gate valves generally have two sealing surfaces, adding some difficulties to processing, grinding and maintenance
disadvantages
the overall dimensions and opening height are largethe reason is the long shutdown timeusually, the sealing surface will be welded with metal materials to increase wear resistance, such as 1cr13, stl6, stainless steel, etc
less effort when opening and closingthe space required for installation is large
during the opening and closing process, there is relative friction between the sealing surfaces, which can easily cause scratches2 cert (on request)
standards
design and manufacture conform to awwa, bs5163, din-f4,f5
dimensions conform to en1092-2,ansi b16
the shape is simple, the structure length is short, the manufacturing process is good, and the application range is wide
water hammer phenomenon is not easy to produceIndia
₹ 1
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Amc mcq with authenticated answers book for australian medical council examselling because m selected for pgmrp , first hand untouched 10 days old book
₹ 1200
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Best book for solving mcq's for neetbetter than fingertips as it also contain logical statement type questions too
₹ 350
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Best mcq books for neet, different sets for pcb
₹ 999
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Physics marvel for mht-cet no mcq marked new condition
₹ 400
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Medical books: ent mcq book for pg entrance exammanisha budhiraja book 2nd editionin brand new condition
₹ 500
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A das gupta mathematics mcqideal for engineering entrance exams
₹ 150
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Physics mcq book specially for cetmarket price 400/
₹ 150
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Chemistry and biology mcq book for neet preparation chapterwise
₹ 550
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mcq solving book for neet aiims very usefull covers whole ncert500 and more questions per chapter
₹ 300
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Rudiments of physics - mcq & objectives for wbjeecompletely new condition
₹ 150
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Chemistry mcq book for iit and engineering exam
₹ 180
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Books for mht-cet (content & mcq's) chemistry-vidyabhartee publication physics 1&2- uttam publication maths 1&2- target publication jigar's science dictionary navneet log book
₹ 900
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Medical mcq books for pg entrance exam (all subjects) (upto )
₹ 4000
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Mathematics mcq book -adas gupta for iit jee preparation
₹ 150
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Very useful about 300 mcq per chapter recommended for neet jee
₹ 525
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Mathematics mcq by das gupta book (for jee entrance tests) quality - very good price - rs % off)
₹ 300
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Mathematics mcq questions bank by adas gupta and also useful for iit screening, engineering and iiit entrance test
₹ 75
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Neet and iitjee new books with minimal 200 mcq and in depth concept at lowest price possible consist of mtg grb cengage books take any book for rs 500
₹ 500
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Target chemistry mcq book, excellent condition like brand newvery good book for entrance exams like neet, jee and mhtcet
₹ 350
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