Piston operated valve
List piston operated valve
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Qr code link to this post pneucon automation globe 2 way valve (piston operated valve) control valve, pneumatics control
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tianjin tanghai valve cois a professional marine valve manufacturer, including butterfly valve, check valve, gate /knife gate valve
below is our wafer butterfly valve of marine valves, if you need to check more information, please click here: butterfly valve :https://wwwthe height limit pressure of the valve is 25mpa and the diameter is 900mmvalve materials are cast iron, carbon steel, alloy steel, copper alloy, aluminum alloy, titanium alloy, stainless steel, and non-metallic etcelectric gate valve, electric globe valve, electric sea access valve, electro-hydraulic ball valve, electro-hydraulic butterfly valve, pneumatic butterfly valve and other remote control valves have gradually been adopted by the department ship system, and the operation of hydraulic valve remote control system has long improved the level of modernization of ships
we are committed to “build a top valve enterprise; be a reliable partner!”
friends from all over the world are welcome to visit us for evaluation, guidance, and orders!valve is the control of fluid pipeline assembly, its basic function is to put through or cut off the pipeline medium smoothness, change the medium smoothness, change the direction of the flow of the medium, adjust the pressure and flow of the medium, protect the normal operation of the pipeline equipment
ball and butterfly valves, with their advantages of light weight, small size, good sealing function and easy opening and closing speed, have gradually gained operation on ships, and more and more efforts are being made to replace stop valves and gate valves, improving the functions of shipsnow we have our own independent r & d, manufacturing, assembly and warehousing workshops; we have professional pre-sale and after-sale technical support and perfect servicescan also be developed by themselves to supply ship operation
according to the requirements of the shipbuilding industry of our country, a total of 12 general valves are designed, 1400 specificationscom/ball-valve-th-bav/
please contact us if you need more support, please contact us freely: info@tanghaivalvewe have certificates: ce, iso, bv, dnv foundry and products approvalcom/wafer-type-butterfly-valve-th-btv-aw/; ball valve: https://wwwthe special valves required by the function requirements of various systems on ships, such as high pressure butterfly valve, leading full-open safety valve, sea water solenoid valve, high piezo-liquid ball valve, changing hydraulic gate valve, special pressure reducing valve, temperature regulating valve, high pressure air solenoid valve, night displacement trap, general butterfly valve, etcmarine valves are used to control the pressure, flow and flow policy of the fluid in the ship pipeline in order to meet the environmental conditions of the shipcommon medium for fresh water, sea water, air, steam, fuel oil, oil and so onIndia
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below photos are ptfe lined butterfly valve of tianjin tanghai valve, more information please click here: ptfe butterfly valvein the cylindrical channel of the butterfly valve body, the disc shaped butterfly plate rotates around the axis, the rotation angle is 0°~90°, rotate to 90°, the valve brand is fully openthe butterfly plate of the butterfly valve is installed in the diameter direction of the pipeptfe butterfly valve is to adapt to some corrosive environment with strong acid, strong alkali, petroleum, chemical, food and other special areas of need, the use of ptfe made of the valve body, has a strong anti-corrosion effectin the known butterfly valve technology, its sealing form is mostly sealed structure, sealing materials for rubber, ptfe, etc
th valve is a professional manufacturer of butterfly valve, gate valve, check valve, globe valve, knife gate valve, 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, ccs
ptfe (teflon) butterfly valve can be equipped with akr electric, by pneumatic actuator, input control signal (4~20madc or 1~5vdc) and single-phase power supply can control the operation, can realize intelligent type (regulating type) and switching typewith strong function, small size, light and pleasant, reliable performance, simple supporting, large circulation capacity, especially suitable for the medium is sticky, containing particles, fiber properties of the occasion
at present, the ptfe butterfly valve, as a component used to realize the on-off and flow control of the pipeline system, has been widely used in petroleum, chemical industry, metallurgy, hydropower and many other fieldsit can replace the stainless steel body under conventional conditions, with higher cost performancestandards: en 593, api609, api6ddue to the limitation of structural characteristics, it is not suitable for high temperature resistance, high pressure resistance, corrosion resistance, wear resistance and other industriesIndia
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According to the different gate plates, the gate valve is divided into a rigid gate valve and an elastic gate valvethe gate valve is sealed by the contact of the valve seat and the gate platea gate valve is a gate plate of an opening and closing partthe gate valve can only be fully opened and fully closed, and cannot be adjusted or throttled
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 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 long
the structure length is small
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, oilcom/watch?v=ai-lt1dy2suthe use of ptfe packing is reliable and easy to operate
during the opening and closing process, there is relative friction between the sealing surfaces, which can easily cause scratches
the shape is simple, the structure length is short, the manufacturing process is good, and the application range is wide
the medium can flow in any direction on both sides, easy to install
water hammer phenomenon is not easy to produceusually, the sealing surface will be welded with metal materials to increase wear resistance, such as 1cr13, stl6, stainless steel, etc
gate valves generally have two sealing surfaces, adding some difficulties to processing, grinding and maintenancestandards: en 593, api609, api6d,
more video of gate valve, please see: https://www
less effort when opening and closing
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
disadvantages
the overall dimensions and opening height are large
large height and long opening and closing timethe space required for installation is largethe gate has a rigid gate and an elastic gate2 cert (on request)
standards
design and manufacture conform to awwa, bs5163, din-f4,f5
dimensions conform to en1092-2,ansi b16the reason is the long shutdown timethe movement direction of the gate plate is perpendicular to the direction of the fluidIndia
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tianjin tanghai valve cois a professional marine valve manufacturer, including butterfly valve, check valve, gate /knife gate valveproduct introduction
marine butterfly valve adopts the mounted structure, which reduces the connection bolts of the valve body itself under the condition of high pressure and large diameter, enhances the reliability of the valve and can overcome the influence of system weight on the normal work of the valve
below is our wafer butterfly valve of marine valves,if you need to check more information, please click here:https://www
we are committed to “build a top valve enterprise; be a reliable partner!”
friends from all over the world are welcome to visit us for evaluation, guidance, and orders!
scope of application
marine butterfly valve is widely used in coal chemical industry, petrochemical industry, rubber, paper making, pharmaceutical and other pipelines as the medium of the shunt confluence or flow switching devicenow we have our own independent r & d, manufacturing, assembly and warehousing workshops; we have professional pre-sale and after-sale technical support and perfect services
please contact us if you need more support, please contact us freely: info@tanghaivalvewe have certificates: ce, iso, bv, dnv foundry and products approvalcom/wafer-type-butterfly-valve-th-btv-aw/India
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check valve opening and closing parts by the medium flow and force to open or close, to prevent the medium backflow of the valve called check valve
th valve is a professional manufacturer of butterfly valve, gate valve, check valve, globe valve, knife gate valve, 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, ccsthe dual plate check valve is used for pure pipeline and industrial, environmental protection, water treatment, high-rise building water supply and drainage pipeline, to prevent the reverse flow of the mediumthe double-door check valve adopts clamping type, the butterfly plate is two semicircle, and the sealing surface can be body surfacing wear-resistant material or rubber lining, wide range of use, reliable sealing
if you need more information, please click here: dual plate swing check valve, you can get more information herestandards: en 593, api609, api6dcheck valves belong to automatic valves, mainly used for medium one-way flow on the pipeline, only allow the medium to flow in one direction, in order to prevent accidentsIndia
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5
face to face dimensions conform to api 6d
testing conform to api598
material of single-disc swing check valve parts
part name material
body astm a182 f304
a216 wcb
disc / plate astm a182 f304
a216 wcb
a536 65-45-12
shaft / stem ss431/ss420/ss410/ss304
seat / lining nbr/epdm/viton
bolts carbon steel
nuts stainless steel
spring ss304/ss306
sing-disc swing check valve features
the structure length is short, its structure length is only 1/4~1/8 of the traditional flange check valve
small size, light weight, its weight is only 1/4~1/20 of the traditional flange check valve
the valve disc closes quickly and the water hammer pressure is small
both horizontal and vertical pipes can be used, easy to install
smooth flow channel, fluid resistance is small
sensitive action and good sealing performance
short disctravel, low valve closing impact
the overall structureis simple and compact, beautiful appearance
long service lifetime and high reliability
related types of check valves:
we have other types of check valves: dual plate check valve, tilting disc swing check valve, lift swing check valve, silent check valve, ball check valve 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, ccssingle-disc swing check valve (th-ckv-sds)
area of application
marine industry, water supply and drainage, fire fighting, shipbuilding, water treatment and other systems
data sheet of single-disc swing check valve
type: wafer, single disc
size & connections: dn50 to d600
medium: air, inert gas, oil, seawater, waste water, water
materials: cast iron / ductile iron/ carbon steel / stainless
steel / alu bronze
pressure rating: pn10, pn16
temperature: -30°c to 200°c
seat/lining: replaceable liner / bonded liner
nbr/epdm/viton
certificates & approvals: dnv-gl, lloyds, dnv, abs, bv type approval
3standards: en 593, api609, api6d2 cert (on request)
standards
design and manufacture conform to api 6d
dimensions conform to ansi b16India
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wafer type, single disc swing check valve (3)
wafer type, single disc swing check valve (3)
single-plate check valve is an ultra-thin check valve with short structure size and single disc design0mpa
connection method: wafer type
applicable temperature: -29ºc～+425ºc
drive mode: media push
body material: cast steel, stainless steel, aluminium bronze, …
standard: national standard gb, german din, american api, ansi
applicable medium: water, oil, steam, gas, liquid
manufacturer: tanghai valveour company specializes in the production of wafer type single plate check valve, stainless steel single disc check valve, aluminum bronze single plate check valve, etc
product name: single plate check valve
product model: h74h, h74w, h74x
nominal diameter: dn50～dn1000
structural form: single flap swing
nominal pressure: 1compared with the traditional swing check valve, this series of valves has no external leakage, can be installed at any position, good sealing performance, low linear vibration, low pressure drop and zero seat ring wear advantagesspecializing in the production of valves for 16 yearsthe price is favorable and the quality is stableIndia
₹ 13827
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area of application
marine industry, water supply and drainage, fire fighting, shipbuilding, water treatment and other systems
standards
design and manufacture conform to en 593, api609, jis
flange dimensions conform to en 1092-2 pn10, pn16, jis5k, jis10k
face to face dimensions conform to en558 series
topwork’s dimensions conform to iso5211
testing conform to api598、en12266-1
actuation
hand lever
worm-gear/hand-wheel
electric-actuator
pneumatic-actuator
hydraulic-actuator
wafer type butterfly valve features
simple structure and easy operation
easy installation and good sealing
long service life and high reliability
good interchangeability of parts and cost saving
wafer type butterfly valve with concentric design
using backless structure, rubber fusion bonded on valve body
replaceable, resilient seat
streamlined disc, one-piece stem
approved and registered by vds, dvgw
related types of butterfly valves:
we have other types of butterfly valves: lug type butterfly valve, u flange butterfly valve, double flange butterfly valve, fluorine lined ptfe butterfly valve, double eccentric butterfly valve and triple eccentric butterfly valves used in 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, ccsworking pressure: pn10/pn16
size: from dn40-dn1200
operator: bare shaft with iso 5211 top flange, handlever and gearbox,actuators
body material:ci,di,alu-bronze,cs and others
disc:di,alu-bronze,ss
seat:epdm,nbr
shaft:ss, inconel
about material, it can be customized, please contact us if any further requirementsstandards: en 593, api609, api6dIndia
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