Plug valve is Quarter-turn rotary motion Valve that uses a tapered or cylindrical plug to stop or start the flow. The disk is in plug shape, which has a passage to pass the flow. In open position, this bored passage is in line with the flow. When the plug is turned 90 from the open position, the solid part of the plug blocks the flow.
Plug valve is used in place of gate valve where a quick operation is required. It can be used in high-pressure temperature services. On the other hand are the non-lubricated plugs which are generally used in places which requires zero maintenance. Apart from this, the threaded plug valves are used for flow control and prevention of contamination.
Plug valves generally have cylindrical and conical tapered installed. These tapered plugs rotate within the valve which controls the flow inside the valve. It also has of hollow passageways which permit the water to flow when the valve is open.
Lap joint face is used on lap joint flange. It looks similar to flat face flange but has a groove in the bore for mating stub end.
Lap joint face has a small contact area for the sealing element providing good gasket compression under low bolt loading. The groove slot acts like an oring groove and provide a good containment means for the gasket. This is ideal under high pressure application.
A pipe flange connects piping and components in a piping system by use of bolted connections and gaskets. Most commonly used flanges are weld neck flange, slip on flange, blind flange, socket weld flange, threaded flange and lap joint flange (RTJ Flange). This type of connection in a pipe flange allows for ease of disassembly and separation for repair and regular maintenance. Most common specification for carbon steel and stainless steel flange is ANSI B16.5 / ASME B16.5.
A slip-on flange is connected to the pipe or the fittings by two fillet welds, one executed inside and one outside the cavity of the flange.
The bore size of a slip-on flange is larger than the outside diameter of the connecting pipe, as the pipe has to slide inside the flange to be connected by the execution of a fillet weld.
Slip-on flanges are also defined Hubbed Flanges and they are easy to recognize due to their slim and compact shape.
A welding neck flange (WN) features a long tapered hub that can be welded with a pipe.
This flange type is used, normally, in high-pressure and high/low temperatures applications that require an unrestricted flow of the fluid conveyed by the piping system (the bore of the flange matches with the bore of the pipe).
The absence of pressure drops prevents negative effects as turbulence and erosion/corrosion of the metals in the proximity of the flanged joints.
The tapered hub allows a smooth distribution of the mechanical stress between the pipe and the weld neck flange and facilitates the execution of radiographic inspections to detect possible leakages and welding defects.
The dimension of the flange (NPS and the pipe schedule) shall match the dimension of the connecting pipe.
Long weld neck flanges (LWN) are similar to weld neck flanges, with the exception that the neck (tapered hub) is extended and acts like a boring extension.
Long weld neck flanges are generally used on vessels, columns or barrels. These flange types are available also in the heavy barrel (HB) and equal barrel (E) types
Threaded flanges are joined to pipes by screwing the pipe (which has a male thread, generally NPT per ASME B1.20.1) onto the flange, without seam welds (in certain cases, though, small welds are applied to increase the strength of the connection).
Threaded flanges are available in sizes up to 4 inches and multiple pressure ratings, however, they are used, mostly, small size piping in low pressure and low-temperature applications, like water and air utility services.
Threaded flanges are also a mandatory requirement in explosive areas, such as gas stations and plants, as the execution of welded connections in such environments would be dangerous.
Blind Pipe Flange is used whenever a line must be capped off at a flange. It is good practice to install blind pipe flange at the end od header or at location where future tie-ins are anticipated.
Blind pipe flanges are also used extensively for manways, in which case a davit is recommended for ease in handling the unbolted manway cover.
Blind pipe flange is specified by ANSI B16.47. We offers blind pipe flange in A105, A105N, SS316, SS304, A20, High Yield & Nickel Alloys.
Socket weld flanges are connected to pipes using a single fillet weld executed on the outer side of the flange (different from the slip-on flange type that requires two welds).
According to ASME B31.1, to execute a flanged connection using a socket weld flange, the pipe shall be at first inserted in the socket of the flange until it reaches the bottom of the flange, then it should be lifted by 1.6 mm and finally welded.
This gap shall be left to allow proper positioning of the pipe inside the flange socket after the solidification of the weld.
Socket Weld Flanges are used for small-size and high-pressure piping that do not transfer highly corrosive fluids.
This due to the fact that these flange types are subject to corrosion in the gap area between the end of the pipe and the shoulder of the socket.
Their static strength of socket weld flanges is similar to slip-on flanges, but their fatigue strength is higher due to the presence of a single, instead of double, fillet weld.
Ensures a watertight seal where pipes pass through the walls of any structure below groundwater level.
Puddle Flanges are used to seal around the outside of pipes that are required to pass through concrete structures. They are installed during construction.
Pipes passing through concrete will not bond to the concrete and water can pass along the external surface of the pipe. Puddle Flanges act as a barrier to this flow. The seal is clamped onto the pipes and stops this direct route. The seal body is compressed during the pouring process and should the concrete shrink during curing the rubber relaxes and maintains a seal against this flow path.
Puddle Flanges provide an effective solution against water penetration along the external surface of pipes that pass through concrete structures such as tanks, manhole chambers, shafts, floor slabs and basements.
A split flange is a type of flange that can be easily installed on pre-existing piping. It is made up of two interlocking pieces that fit securely together using nuts and bolts or welding it into place. Because it is made of two parts, split flanges are used to reinforce weakened areas of piping, or to add an attachment in places conventional flanges cannot.
Split-flange fittings use rubber O-rings to seal joints and contain pressurized fluid. The O-ring sits in a groove on the flange, and then mates with a port's flat surface. The flange is then attached to the port with four mounting bolts. The bolts tighten downward onto the clamps of the flange, thereby eliminating the need for large wrenches to connect the components of large-diameter tubing.
Lap joint flanges feature a flat face and are always used in conjunction with a stub end.
Lap joint flanges resemble, in shape, slip-on flanges except for the radius at the crossing of the flange face and the bore to accommodate the flanged portion of the stub end.
A lap joint flange slips over the pipe and seats on the back of the stub end and the two are kept together by the pressure of the bolts.
The use of lap joint flanges in combination with stub ends is a cost-effective solution for stainless steel or nickel alloy pipelines, as the material of the lap joint flange can be of a lower grade (generally carbon steel) than the material of the stub end (which has to match the pipe grade, as in contact with the conveyed fluid).
This arrangement, therefore, has these two advantages:
reduces the overall cost of the pipelines flanged joints, as the use of higher grade materials is minimized;
bolting operations are simplified, as the lap joint flange can be rotated around the pipe to help with bolts alignment.
ANSI flanges facilitate the alignment of the bolt holes between the two mating flanges, a feature that is helpful in many circumstances, such as the installation of large diameter pipelines, subsea and offshore pipelines, pipe works in shallow waters and similar environments.
ANSI flanges suit oil, gas, hydrocarbons, water, chemical and other demanding fluids in petrochemical and water management applications.
In the case of a large diameter pipeline, for instance, the pipe is fitted, at one end, with a standard welding neck flange, and with a swivel flange at the other end: by simply rotating the swivel flange on the pipe, the operators can achieve a perfect alignment of the bolt holes in a way easier and faster way
Reducing flanges, otherwise called reducer flanges, have an opposite function than expander flanges seen above, i.e. they are used to decrease the bore of a pipeline.
The bore of the run pipe can be safely reduced by only 1 or 2 sizes (otherwise a solution based on the combination of a butt weld reducer and a standard flange has to be used).
Reducing flanges are available in most sizes and material grades, and are not generally available from stock.
Reducing flanges follow the same considerations in terms of specifications, sizes and material grades as expander flanges.
A ring joint face design has a grooved slot in which a metal ring gasket is inserted to creating a seal with mating flange. The metal ring is available in oval or octagonal shape. Most common material for ring joint gasket is 316 stainless steel which makes it ideal for corrosive applications
A ring joint face design has a grooved slot in which a metal ring gasket is inserted to creating a seal with mating flange. The metal ring is available in oval or octagonal shape. Most common material for ring joint gasket is 316 stainless steel which makes it ideal for corrosive applications
Flat flanges have a gasket surface in the same plane as the bolting circle face. It is also known as flat face flange. Applications using flat face flanges are frequently those in which the mating flange or flanged fitting is made from a casting. Flat face flanges are used when the counter-flanges are flat face. This condition occurs mainly on connection to Cast Iron equipment, valves, and specialties.
ASME B31.1 says that when connecting flat face cast iron flanges to carbon steel flanges, the raised face on the carbon steel flange must be removed, and that a full face gasket is required.
Orifice Flanges are used with orifice meters for the purpose of measuring the flow rate of either liquids or gases in the respective pipeline. Pairs of pressure Tappings, mostly on 2 sides, directly opposite each other, are machined into the orifice flange.
Orifice Flange Unions are designed &; manufactured to AGA, ASME, and ISA recommendations. We are manufacturing wide array of the following types-
Raised Face weld neck orifice flanges
Slip on threaded ring joint corner tap weld neck orifice flanges
Raised Face slip-on orifice flange
Ring-Type joint weld neck orifice flanges
Corner tap orifice flanges
Screwed flange are often used for small diameter, high pressure requirements. Screwed flanges with a hub have published specifications that range from 1/2 thru 24. Pressure class: Class 150 to Class 2,500, PN 2.5 to PN 250 and Facing: RF / RTJ. Screwed flanges are threaded in the bore which match an external thread on the pipe. Screwed flanges are used with pipes that have external threads. The benefit of these flanges is that it can be attached without welding.
Standard Forged Flanges (Weld-neck, Slip-on, Socket-weld, Lap-joint, Blind and Screwed Types) are manufactured by us to specifications of ASME B16.5, ASME B16.47, ASME B16.48, BS EN 1092, BS 4504, API-605, API-590, MSSSP44, DIN 2632 to 2638, DIN 2576, 2642, 2527, 2566. Flanges cover a full range of pressure ratings of these specifications (150 â?? 2500 psi for ASME & PN6-PN400 for DIN / EN flanges). Non-standard flanges are made upto a diameter of 4500 mm and the weight not exceeding 5,000 kgs.
A flange connector is a device that allows the connection of many types of hoses and fittings onto a flanged pipeline. Typically manufactured from stainless or high-carbon steel, a flange connector is connected to a flanged pipe with bolts, and a gasket is sandwiched between the pipe flange and the connector. Common in manufacturing facilities, a flange connector is often used to allow a smaller and more manageable hose to be split off from a large feeder pipeline. A flange-type connector can also be used to block off a pipeline.
Flange connector provides safe and easy connections between process lines and instruments. It provides Hy-Lok tube connection ends by a lap joint pipe flange to ANSI B 16.5 or BS 1560. Both "smooth" and "serrated" surface finishes are available. For identification of serrated surface finish, groove is provided.
We provide a full line of quality forged steel DIN specification pressure flanges. Whenever you need specialized custom flanges i.e. high alloy, low temperature, high strength, high pressure, specialized dimensions, adapters and reducers etc. No matter what size the job, large or small, we always give it our undivided attention!
A DIN flange meets European standards that differ from ANSI / ASME standards. We produces DIN flanges to the appropriate standards for stock and custom flanges.
All kinds of flanges are available with extremely high-quality raw materials that can be offered in varied sizes, shapes, and surface finishes, and all our products are shipped with assured quality and authenticity checks.
Types of flanges available: Blind pipe flanges, Pipe flanges, Slip-on flanges, Welding neck flanges, Long weld neck flanges, Threaded flanges, Socket weld flanges, Puddle flanges, Split flanges, Lap-joint flanges, Ansi flanges, Reducing flanges, Forged flanges and more as per demand
Zeal Consultants is your one- stop destination for Industrial valve. We are manufacturing of these valves using cut-edge technology, latest methodologies and best equipments. We always offer new and best range of products to our clients
Needle valves are usually used in flow-metering applications, especially when a constant, calibrated, low flow rate must be maintained for some time, such as the idle fuel flow in a carburetor. Needle valves sometimes referred to as plunger valves. A needle valve has a relatively small orifice with a long, tapered seat, and a needle-shaped plunger on the end of a screw, which exactly fits the seat. These needle valves are an ideal option for isolating or throttling applications. The self centering, non rotating stem ensures perfect seating. The rigid design gives repetitive bubble tight shut off, easy.s.
Our range of needle valves has been designed with durability and performance in the spotlight. These needle valves are available in a variety of sizes (1/4, ½, 1/8 inch).
Our range of needle valves has been designed with durability and performance in the spotlight. These needle valves are available in a variety of sizes (1/4, ½, 1/8 inch).
The manifold valves are manufactured to endure all differential pressure and liquid level application needs. Manifolds Valve is designed for static pressure and liquid level applications. These manifolds are available in traditional and compact body designs. Manifold connections include female tube fittings, pipe ends (NPT and ISO 228/1), and flanges (MSS SP-99) in 1/2 and 3/4 in. and 12 mm sizes
The units are available in 2 valve manifold, 3 valve manifold, and 5 valve manifold product designs.The 2 valve units are designed to withstand static pressure in an industrial setting. The 3 level and 5 level valve units are expressly designed for the purpose of surviving and maintaining the differential pressure applications. The units have been designed with a temperature rating with operating parameters which range up to 232 C with packing of PTFE and optional 428 C with packing of graphite. The units are designed and manufactured to withstand a pressure parameter rating of up to 6000 PSIG.
Ball Valves are used in a wide variety of high pressure applications. Two factors make them popular. First, a full unrestricted flow that allows no product restrictions through the valve. Second, the three piece design and the removal of a minimal number of bolts allow service to be performed without removing the complete valve from the line.
We offers a range of high pressure valves that are also great for use as blowdown valves.
Our product range also includes ball valve components and a variety of valve parts that ensure quick assembly, repair and use of your fittings. Two way ball valves manufactured by us will be various Sizes, End connections and Pressure Ratings as per customer requirements. Manual and Pneumatically actuated valves are also manufactured by us.
Monoflange valves are used as an alternative to a system which has multiple valves. They are designed specially to provide a compact installation for transmitter and gauge instruments. In an application where a monoflange is used, it is used toreplace other equipment. For instance, rather than having one valve and relying on it to close so that you can isolate the transmitter, two different valves can be used.
In such case, a monoflange valve would replace two different valves perfectly. With this, you won't need to have two different valves but a single one. This is because the monoflange is composed of two different closed valves as well as a vent which is opened so as to limit the pressure which is between them. It also has a reduced weight as well as minimal leak paths thereby providing a higher integrity system
A butterfly valve is a shut-off valve with a relatively simple construction. In closed position, the disc blocks the valve bore while in open position, the disc is turned to allow flow. A quarter turn takes the valve from fully open to fully closed position, or opposite, and thus the butterfly valve allows for quick opening and closure.
Butterfly valves can be used for a broad range of applications within water supply, wastewater treatment, fire protection and gas supply, in the chemical and oil industries, in fuel handling systems, power generation etc. Some of the advantages for this type of valve are the simple construction not taking up too much space, and the light weight and lower cost compared to other valve designs.
The valves can be operated by handles, gears or actuators according to any specific need.
A knife gate valve is a component that utilizes a blade to cut through clogging of heavy liquids; whereas a slide gate valve is a component utilizing a slide plate in order to better manipulate or control the flow of dry bulk material.
The Knife Gate Valve provides reliable shut-off for both dry and wet line fluids. The bonnet-less valve equipped with a heavy-duty gate to cut though both dry and wet line fluids.
The valves find application in paper and pulp, minerals and metals, steel plants, thermal power plants and chemical/ petrochemical industries.
The versatile metallic and resilient seats for bidirectional and unidirectional applications. The versatile metallic and resilient seats for bidirectional range is available in wafer, lugged and flanged configurations.
A gate valve is generally used to completely shut off fluid flow or, in the fully open position, provide full flow in a pipeline. Thus it is used either in the fully closed or fully open positions. A gate valve consists of a valve body, seat and disc, a spindle, gland, and a wheel for operating the valve. A gate valve can be defined as a type of valve that used a gate or wedge type disk and the disk moves perpendicular to flow to start or stop the fluid flow in piping. A gate valve is the most common type of valve that used in any process plant.
It is a linear motion valve used to start or stop fluid flow. Therefore, there is little pressure drop or flow restriction through the valve. Gate valves are used in many industrial applications including the oil and gas industry, pharmaceuticals, manufacturing, automotive, and marine. Gate valves are not suitable for throttling purposes.
A globe valve is a linear motion valve used to stop, start, and regulate the fluid flow. The globe valve disk can be removed entirely from the flow path, or it can completely close the flow path. During the opening and closing of the valve, the disc moves perpendicularly to the seat. Leakage from the globe valve seat is less as compared to the gate valve, mainly due to right angle contact between the disc and seat ring, which allows tighter seal between seats the disk.
Globe valves consist of a movable disk-type element and a stationary ring seat in a generally spherical body. The valve stem moves a globe plug relative to the valve seat. The globe plug can be at any position between fully opened and fully closed to control flow through the valve. The globe and seat construction gives the valve good flow regulation characteristics. Turbulent flow past the seat and plug, when the valve is open, results in a relatively high pressure drop, limited flow capacity, and low recovery.
Check valves are basically the type of valves which prevent the backflow of the fluid or gas traveling through that specific pipeline. The liquids or gases flowing through non-return valves flow in single direction mainly. These poppet check valves consist of two openings which mainly allows the fluid or gas to enter from one end and leave from the other end. If the flow turns and no check valve is installed, water hammer can occur. Water hammer often occurs with an extreme force and will easily damage a pipeline or components.
Check valves are used in many different applications. For example they are often placed on the outlet side of a pump, to protect the pump from backflow. Centrifugal pumps are not self-priming, and therefore check valves are essential for keeping water in the pipes. Also, check valves are very often used in HVAC-systems (Heating, Ventilating and Air Conditioning-systems).
All types of Valves are available with extremely high-quality raw materials which can be offered in varied sizes, shapes, and surface finishes, and all our products are shipped with assured quality and authenticity checks.
Types of valves : Ball valve, Butterfly valve, Industrial valve, Needle valve, Manifold valve, Monoflange valves, Knife gate valves, Gate valve, Globe valve, Check Valve, Plug Valve, and more on demand
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