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Industrial Valves
Valve is a device that regulates the flow of fluid (gases, fluidized solids, slurries or liquids) by opening, closing or partially obstructing various passageways. Valves are technically pipe fittings, but are usually discussed separately.
Valves are used in a variety of applications including industrial, military, commercial, residential and transportation.
Oil and gas, power generation, mining, water reticulation, sewerage and chemical manufacturing would constitute the majority of valves used by industry.
Plumbing valves are the most obvious in everyday life, taps for hot and cold water, gas control valves on cookers and barbecues, small valves fitted to washing machines and dishwashers and safety devices fitted to hot water systems are all examples of valves.
Valves may be operated manually, either by a hand wheel, lever or pedal. Valves may also be automatic, driven by changes in pressure, temperature or flow. These changes may act upon a diaphragm or a piston which in turn activates the valve, examples of this type of valve found commonly are safety valves fitted to hot water systems or steam boilers.
More complex control systems using valves requiring automatic control based on an external input (i.e., regulating flow through a pipe to a changing set point) require an actuator. An actuator will stroke the valve depending on its input and set-up, allowing the valve to be positioned accurately and allowing control over a variety of requirements.
Valves are also found in the Otto cycle (internal combustion) engines driven by a camshaft, lifters and or push rods where they play a major role in engine cycle control. |
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Cast Iron Valves We manufacture valves made up of cast iron. These valves have different features some of them are:
Special Features:- Clear Water Having Turbidity upto 5000 ppm and Temperature upto 45° C.
- Other Fluids with maximum pressure and temperature conditions within the Scope of IS: 14846.
- Valves can also be Supplied upto 180° C Working Temperatures with Special Design, Subject to Working Pressure Imitations.
Salient Constructional Features:- Combination of Excellent Design Features of Reputed Overseas Valve Brands.
- Rigid and Sturdy Design with Minimum Loss of Head Across the Valve.
- Perfect Interchangeability of Components Assured Parallelism Between Side Flanges.
- Assured Equal Taper Between Wedge Faces
- Perfect Machining and Pressing of Body and Wedge Rings.
- Excellent Finish on Spindle Threads Resulting in low Friction and Smooth Operation of Valves.
- Long Service Life and Leak-Tightness Even After Thousands of Open and Close Cycles.
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Cast Steel Valve The most common and traditional type of valve. The valves are large to accommodate the yoke and stem mechanism, but fully open the full bore design provides an uninterrupted flow path. Generally either used fully open or closed, for on/off isolation and not used for modulating flow control duties. Variants include solid and flexible wedge gates, double disc gates, through conduit valves, parallel slide valves and knife gate valves.
Globe valves are designed for flow control or on/off isolation of fluids. They are manufactured in straight patterns, angle patterns, oblique patterns and needle designs with a large variety of internal seat construction variants to handle High Pressure flow control duties. A wide choice of metal body options and trims means Globe valves are widely used throughout industry.
Globe valve designs consist of o.s. & y type, rising spindle and bolted bonnets. The valve comprises of a solid rotating plug type disc which is fine lapped. Back seat facilities provides easy replacement of gland packing under pressure. Extra deep stuffing box ensures fluid tightness, long packing life and low emissions. We offer globe valves with special packing, suitable for thermic fluid temperature up to 425º C.
A check valve is a mechanical device, a valve, that normally allows a fluid to flow through it in only one direction. Check valves are two-port valves, meaning they have two openings in the body, one for fluid to enter and the other for fluid to leave. There are various types of check valves used in a wide variety of applications. Although they are available in a wide range of sizes and costs, many check valves are very small, simple and cheap. Check valves work automatically and most are not controlled by a person or any external control; accordingly, most do not have any valve handle or stem. The bodies (external shells) of most check valves are made of metal. |
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Forged Steel Valve Hundreds of thousands of forged steel valves are currently in operation on many of the most testing chemical and petrochemical plants worldwide.
Experience over many years is the key to the success and reputation of forged steel valves. The design is acknowledged for its reliability, safety, technical and construction features. The machining of the components is made with high precision machine tools operated by experienced people with a commitment to total quality. The qualification of the product from some of the most reputable international customers is another indicator of the integrity of valves. We offers a broad range of standard forged steel gate, globe and check valves, reduced and full bore, in threaded, socket weld and butt-weld end connections. |
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Sight Flow Glass Valve We offers a wide range of sight flow indicators suitable for rugged industrial applications. Sight Flow Indicators provide a quick, reliable and economical way to verify the flow of fluids through industrial process lines. Full view type sight flow indicators are suitable for corrosive chemicals, acids and colored liquids.
Sight Flow Indicators are Bi-Directional and may be placed in any orientation. They can be installed vertically or horizontally in the middle of any kind of non-transparent pipeline and are very convenient to observe the flow from any direction.
Sight Glass are used primarily in processes, where spot indication is desired to detect presence of media or to inspect color, clarity, turbidity or other critical characteristics. |
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Diaphragm Valve Diaphragm Valves are mainly used in water treatment plants, fertilizer & petrochemicals industries, chemical industries, refineries, thermal power stations and other process industries. Equally suited to on and off, or flow control applications, a diaphragm valve will handle positive pressures or high vacuum. Due to the wide range of material options it will handle almost all applications within its temperature and pressure ranges (175°C max. and 16 bar max.) and as such is used in almost every industry on both corrosive and abrasive applications. All working parts are isolated from the line media which enhances its reliability. Maintenance is a simple task with the body remaining in the pipe, the valve thus being field serviceable. It has linear flow characteristics which makes it well suited to throttling or modulating duties. On/off and control automation is possible with the use of modern compact actuators and accessories.
Flanges: Size 15-80 connecting dimensions and thickness to BS - 10 Table 'F'
Flanges: Size 100-350 connecting dimensions and thickness to ANSI B16-1 Class 125 lbs. |
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Globe Valve Globe valves are designed for flow control or on/off isolation of fluids. They are manufactured in straight patterns, angle patterns, oblique patterns and needle designs with a large variety of internal seat construction variants to handle high pressure flow control duties. A wide choice of metal body options and trims means globe valves are widely used throughout industry.
Globe valve designs consist of o.s. & y type, rising spindle and bolted bonnets. The valve comprises of a solid rotating plug type disc which is fine lapped. Back seat facilities provides easy replacement of gland packing under pressure. Extra deep stuffing box ensures fluid tightness, long packing life and low emissions. We offer globe valves with special packing, suitable for thermic fluid temperature up to 425º c |
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Spring Loaded Safety Valve For all your needs, including the most critical safety applications, don't trust anything less than a our safety valve. Constructed from Carbon Steel, Alloy Steel and Stainless Steel material combination, our range of full lift safety valves can accommodate set pressures from 0.50 to 400 bar, with a wide range of temperatures as extreme as - 196ºC to 550ºC. The smaller model VSEO takes care of small discharge capacities while the large model VSR handles large capacities with extreme ease. These valves are available in conventional & bellow seal type designs.
The VSR series valves are qualified as per ASME Sec 3 making them suitable for use in nuclear power plants.
Salient Features- Design, Mfg. & Tested as per API 520, 521, 526, 527 standards
- Models Comply to ASME Sec.VIII of boiler & pressure vessels code
- Registered under Indian Boiler Regulation (IBR)
- Also approved by chief controller of explosives department (CCOE)
- Conventional or Balance Bellows Design
- Complete Teflon(FEP/PFA). Lining for highly corrosive services
- Soft Seat arrangement for Tight Shut-Off.
- Weight & lever type Safety Relief Valves are offered for low set pressure and high discharge capacity
- All Thermal Relief Valves (BTS-10 & BTS-11) models are offered in Investment Casting (1/2" to 2")
- Stellited Trims for high Pressure & Temperature
- Safety Relief Valves are Inspected, Tested, & Certified by BV / DNV / TUV / MECON / IBR / CCE / BAX Council
- Size Range from ½" x ¾" to 10" x 14"
- Material of Construction CI / CS / SS 304 / SS 316 / GM / Alloy Steel.
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Gate Valve The most common and traditional type of valve. The valves are large to accommodate the yoke and stem mechanism, but fully open the full bore design provides an uninterrupted flow path. Generally either used fully open or closed, for on/off isolation and not used for modulating flow control duties. Variants include Solid and Flexible Wedge Gates, Double Disc Gates, Through Conduit Valves, Parallel Slide Valves and Knife Gate Valves. |
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Pressure Reducing Valve Steam should be used at lowest possible pressure. Pressure Reducing Valves (PRV) can be installed with required other accessories at places where complete station cannot fit. Depending upon the steam flow rate, inlet pressure and desired outlet pressure, PRV can be selected and sized.
Pressure and temperature control can be achieved simultaneous by installing with proper sizing of the product for process parameters
Salient Features- Self actuating, internally pilot & piston operated design (BTPR-100T & BTPR-100F) for low & medium pressure steam & air application
- Registered under Indian Boiler Regulation (IBR)
- Stellited Trims for High Pressure & Temperature
- Complete Pressure Reducing Station and System (PRDS) consisting of Isolation Valve, Strainer, Separator, Traps with By-Pass Line & Safety Relief Valve
- internally pilot & piston operated pressure reducing valves are very compact in design & versatile type for accurate regulation with the widest possible range of flow
- The full lift type main valve assembly & Globe type body design is capable of delivering very high flow rates with greater accuracy
- The internally pilot controlled pressure reducing valves are best suitable for use in continuous distribution application
- The constant outlet pressure (Down stream pressure) is accurately maintained right up to maximum rated discharge capacity of the valve and is unaffected by changes in inlet pressure or flow rate
- A positive tight shut off ensured by accurate guiding of the pilot & the main valve assembly
Application- Pressure regulator is assembled with stainless steel trims to use for Steam, Air & Gas applications for low and medium pressure range
- The Non Metallic (Teflon/Elastomer) trims are provided to ensure tight shut off (class VI Leakage) for air & gas application, where as, Stellited Stainless steel trims are provided for High pressure and Temperature steam service.
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Wafer Check Valve A check valve is a mechanical device, a valve, that normally allows a fluid to flow through it in only one direction. Check valves are two-port valves, meaning they have two openings in the body, one for fluid to enter and the other for fluid to leave. There are various types of check valves used in a wide variety of applications. Although they are available in a wide range of sizes and costs, many check valves are very small, simple and cheap. Check valves work automatically and most are not controlled by a person or any external control accordingly, most do not have any valve handle or stem. The bodies (external shells) of most check valves are made of metal
An important concept in check valves is the cracking pressure which is the minimum upstream pressure at which the valve will operate. Typically the check valve is designed for and can therefore be specified for a specific cracking pressure. |
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Check Valve A check valve is a mechanical device, a valve, that normally allows a fluid to flow through it in only one direction. Check valves are two-port valves, meaning they have two openings in the body, one for fluid to enter and the other for fluid to leave. There are various types of check valves used in a wide variety of applications. Although they are available in a wide range of sizes and costs, many check valves are very small, simple and cheap. Check valves work automatically and most are not controlled by a person or any external control accordingly, most do not have any valve handle or stem. The bodies (external shells) of most check valves are made of metal.
An important concept in check valves is the cracking pressure which is the minimum upstream pressure at which the valve will operate. Typically the check valve is designed for and can therefore be specified for a specific cracking pressure. |
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Spring Loaded Check Valve Single Disc Spring Loaded Check Valves are designed and manufactured according to DIN 3230. The Valve is designed to mount between Flanges of different standards and in any direction. Ideal for instrumentation particularly for Pneumatic and Vacuum applications as available in Metal-to-Metal and Soft Sealing options.
Available in varied materials like Cast Iron, S.G. Iron, Cast Carbon Steel, Stainless Steel of all Grades, High Alloys like Alloy-20, CD4MCu, Hastelloy etc. Size range commences from 15NB through 100NB and Pressure Rating in ANSI 150# and 300#.
Single Disc Spring Loaded Check Valve - Technical Specification- Size Range 15 NB through 100 NB
- Pressure Rating ANSI - 150#, 300#, 600#
- Type Single Disc
- End Connection Sandwich
- Operation Automatic with return pressure
- Port Opening Full
- Seat Soft - Rubber/ PTFE/ Metal to Metal
- Disc Solid Disc Spring Loaded
- Gasket & Packing N.A
- MOC Refer Material Chart
- Design Code DIN - 3230
- Testing API - 598
- Inspection 3rd Party/ Client/ Manufacturer.
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Ball Valves Ball valves come in two basic designs such as Floating Ball and Trunnion Mounted, with three basic construction variants that includes three piece, end entry and top entry with options of either full or reduced bore designs. Principally designed as an on/off isolation valve for a very wide range of temperatures and pressures they have inherent quick opening flow characteristics. Specially designed ball valves however, may offer good flow control capabilities at high pressure. All ball valves offer compact actuation due to their rotary quarter-turn operation. Firesafe versions are available for use in the oil and petrochemical industries. |
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Stainless Steel Ball Valves We manufacture stainless steel ball valves. Ball valves come in two basic designs that are Floating Ball and Trunnion Mounted, with three basic construction variants that includes three piece, end entry and top entry with options of either full or reduced bore designs. Principally designed as an on/off isolation valve for a very wide range of temperatures and pressures they have inherent quick opening flow characteristics. Specially designed ball valves however, may offer good flow control capabilities at High Pressure. All ball valves offer compact actuation due to their rotary quarter-turn operation. Firesafe versions are available for use in the oil and petrochemical industries.- Design Standard BS 5351
- Sizes: 15 mm - 250 mm
- Type 2 PC & 3 PC Design, Non Jacketed & Jacketed Design
- Port: Full Port & Regular Port 2 Way, 3 Way, 4 Way, 'L' Port & 'T' Port Rating 150#, 300#, 600#, 800#
- Material Cast Iron, Forged Carbon Steel, Cast Carbon & Stainless Steel.
- Ends Flanged, Socket Weld, Screwed
- Accessories Wrench, Pneumatic, Gear
- High Pressure Ball Valves with special seats & seals available upto 500 Bar
Sizes: 15 mm to 50 mm Ends Screwed to BSP/NPT. |
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Plug Valve The oldest design of valve comprising of a body with a tapered or less frequently, a parallel plug. Design variants include Non-lubricated, Fluoro polymer sleeved, Lubricated and Pressure balanced designs. Principally designed for on/off isolation of fluids they have inherent quick opening flow characteristics similar to ball valves, although specially designed eccentric plug designs may be used for flow control applications. They can be automated by means of quarter-turn actuators. |
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Butterfly Valve One of the most compact and light-weight valves available. Used for a wide range of applications, the choice of seat, lining and disc options has increased significantly over recent years making the valve a popular choice. A wide range of materials, sizes and pressure ratings gives reliable positive isolation and moderate flow control capability over a wide range of applications throughout the industry. The metal seated valve is well established in petrochemical and oil industries being lightweight, firesafe and suitable for actuation. Butterfly valves offer a number of advantages when used for the proper application. They may be used in a wide variety of chemical services, they are available with small dimensions allowing for use in areas where space is limited, and they allow a high coefficient of flow.
Butterfly valves are quick opening valves that consist of a metal circular disc or vane with its pivot axes at right angles to the direction of flow in the pipe, which when rotated on a shaft, seals against seats in the valve body. They are normally used as throttling valves to control flow. Unlike ball valves, butterfly valves do not have any pockets in which fluids may become trapped when the valve is closed. |
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Industrial Strainer These types of strainers are named after their shape and normally used for course filtration. But with large filtration area can be used with fine mesh also. Body of Y strainer is normally of cast iron or cast steel in various grades with flanged and socket weld type end connection. Fabricated Y strainers are also available.
Tee strainer is fabricated from pipes & plates or standard equal tee & flange. Filter
elements are made of stainless steel perforated sheet or wire mesh supported by
perforated sheet. In tee type strainer many times a structural skeleton made of flats and
round bar is used to support the wire mesh.
Sizes
Type
Material- Cast Iron, Cast Carbon Steel, Stainless Steel and Mild Steel Fabricated Mesh
- Stainless Steel 304 & 316 Ends
- Flanged, Screwed.
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