Orifice flanges 900/1500/2500
Table of Content
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Product Specification
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Key Features
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Uses
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Product Range
We supply stainless steel orifice flanges, carbon steel orifice flanges, alloy steel orifice flanges, and nickel-based high alloy orifice flanges
The following LBS orifice flange classes are available: Class 150 LBS orifice flanges, Class 300 LBS orifice flanges, Class 600 LBS orifice flanges, Class 900 LBS orifice flanges, Class 1500 LBS orifice flanges, Class 2500 LBS orifice flanges, BS4504 orifice flanges, BS4504, BS1560, BS10
DETAILED INFORMATION
When orifice plates or flow nozzles are used, orifice flanges are used in place of standard pipe flanges. In other words, orifice flanges are used with orifice meters. These flanges are used in various industrial applications, and they are available in a variety of sizes and materials. They are used to measure the flow rate of gases or liquids in their respective pipelines. With each orifice flange unit, you receive a plate, pressure connection holes, and jack screws.
- Orifice Flanges are often used in connection with orifice plates or meters in pipes to measure the flow of liquids in a system, which might be water, gas, or any other liquid. The orifice flange can also be used as part of an orifice plate if the pipe joints have orifice plates or meters.
- In terms of the type of orifice flange, there are several types, such as welding neck orifice flanges, slip-on orifice flanges, and threaded orifice flanges. The range of orifice flanges cover all standard sizes and ranges, as well as all common materials used for flanges.
- A RF or RTJ type face orifice flange is used for high pressure applications. The RTJ type face orifice flange is meant for pressures above 3,000 PSI. The matched flange must also have a RTJ type face and be able to seal up against the orifice and reduce leakage.
A major manufacturer of stainless steel, carbon steel, alloy steel, and special alloy orifice flanges in sizes ranging from 1/2′′ to 60′′, Purohit Pipe Industries is one of the largest companies in the industry producing and forging orifice flanges 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. At Metline, orifice flanges cover a full range of pressure ratings of these specifications (150 – 2500 psi for ASME & PN6-PN400 for DIN/EN flanges). In addition, we manufacture non-standard orifice flanges in aluminium, special alloys, and copper nickel.
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Orifice Flanges 900/1500/2500 Specification
| Product Type | Orifice Flanges |
| Size | ½” (15 NB) to 48″ (1200NB) |
| Stainless Steel Orifice Flanges | ASTM A 182, A 240, F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H,904L |
| Alloy Steel Orifice Flanges | ASTM / ASME A/SA 182 & A 387 F1, F5, F9, F11, F12, F22, F91 |
| Carbon Steel Orifice Flanges | ASTM / ASME A/SA 105 ASTM / ASME A 350 , ASTM A 181 LF 2 / A516 Gr.70 A36, A694 F42, F46, F52, F60, F65, F70 |
| Duplex Steel Orifice Flanges | ASTM / ASME A/SA 182 F 44, F 45, F51, F 53, F 55, F 60, F 61 |
| Standard Specifications | ANSI : ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48 ,JIS,DIN,BS4504,SABS1123,EN1092-1, UNI,AS2129,GOST-12820DIN : DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636, DIN2637, DIN2638, DIN2673B.S : BS4504 , BS4504, BS1560, BS10 |
| Specialize | As per drawing |
| Pressure Class | 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS ASA 150, ASA 300, PN 6,10,16,25, 40,64,100,160 ETC. available with NACE MR 01-75 |
| Flanges Forms & Types | Orifice Flanges, Weld Neck Flanges – WNRF, Socket Weld Flanges – SWRF, Slip On Raise Face – SORF, Blind Raise Face – BLRF, Spectacle Blind, Ring Joint, Large Dia Flanges, Girth Flange, Lap Joint Flanges, Screwed (Threaded) Flanges, Long Weld Neck Flanges, Reducing. |
What are the Orifice flanges 900/1500/2500?
Orifice flanges are a special type of flange that is used in pipelines to measure the flow rate of fluids, gases, or steam flowing through the pipeline. There are a number of flanges available that are designed to accommodate a thin metal plate called an orifice plate, which has a hole precisely drilled in the center of it.
It is important to understand that the numbers 900, 1500, and 2500 refer to the pressure ratings of the orifice flanges. As part of the American Society of Mechanical Engineers (ASME) B16.5 standard, which specifies the dimensions and tolerances for various types of flanges, these pressure ratings are defined.
The orifice flange with a pressure rating of 900 is capable of withstanding a maximum pressure of 900 pounds per square inch (psi) and is capable of withstanding a maximum pressure of 900 psi. A flange with a pressure rating of 1500 can handle a maximum pressure of 1500 pounds per square inch, whereas a flange with a pressure rating of 2500 can handle a maximum pressure of 2500 pounds per square inch.
As a matter of fact, it is important to note that the orifice flange pressure rating should be chosen according to the operating conditions of the pipeline, such as the pressure, temperature, and type of fluid or gas being transported. As a result of choosing the wrong pressure rating, leakage, equipment failure, and other safety hazards can occur.
Key Features of Orifice Flanges 900/1500/2500:
- There are two types of facings available: raised faces and ring type joints (RTJs).
- There are modifications to the orifice flanges with radial tapped holes in the ring of the flange that are used to connect the meter.
- In these flanges you will find the orifice plate carriers which are used for the purpose of fitting the meter connections to them.
- As an additional bolt is available, it can be used as a jack to allow the two flanges of the orifice plate to be separated in order to change the orifice plate or for other relevant services such as inspections, etc.
Uses of orifice flanges for 900/1500/2500:
- The primary use of an orifice flange is to measure the flow rate of water in piping systems by use of flow/rate meters.
- Typically, they are used for all types of heavy-duty applications, such as weld necks and slip-on flanges with some extra machining being done.
Orifice flanges 900/1500/2500 Product Range
Orifice Flanges Range
½” (15 NB) to 48″ (1200NB) in 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS ASA 150, ASA 300, PN 6,10,16,25, 40,64,100,160 ETC. Available with NACE MR 01-75
Stainless Steel Orifice Flanges
Grade : 304, 304L, 304H, 309, 310, 310S, 316, 316Ti, 316 L, 317, 317L, 321, 347, 347 H, 409, 410, 410S, 420, 430L
Duplex Steel Orifice Flanges
Grade : 2205 (UNS No. S31803), 2507 (UNS No. S32750)
Nickel Alloy Orifice Flanges
Grade : Nickel 200 (UNS No. N02200), Nickel 201 (UNS No. N02201), Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500), Inconel 800 (UNS No. N08800), Inconel 825 (UNS No. N08825), Inconel 600 (UNS No. N06600), Inconel 625 (UNS No. N06625), Inconel 601 (UNS No. N06601), Hastelloy C 276 (UNS No. N10276), Alloy 20 (UNS No. N08020), Titanium (Grade I & II)
Copper Alloy Orifice Flanges
Grade : UNS No. C 10100, 10200, 10300, 10800, 12000, 12200, 70600, 71500, UNS No. C 70600 (Cu -Ni- 90/10), C 71500 (Cu -Ni- 70/30)
Orifice Flanges Standard
- ANSI : ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48
- DIN : DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636, DIN2637, DIN2638, DIN2673
- B.S : BS4504, BS4504, BS1560, BS10
- OTHER : PLATE, PLATE BLANK
Production & Supply Range for Forged Orifice Flanges 900/1500/2500
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Product |
Orifice Flanges, as per ASTM A182, A240 |
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Materials |
Stainless Steel, Carbon Steel, Alloy Steel, Cupro Nickel (90/10, 70/30, 66/30/2/2), Hastelloy (C-4, C-22, C276, B-2), Nickel (200 / 201), Monel (400 & K500), Inconel (600, 601, 625 & 825), Incolloy (800, 800H), Alloy 20, Duplex Steel, SS 904L, Titanium (1 & 2) Etc. |
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Size |
1/2″ to 60″, DN 15 to DN 1500 |
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Face Type |
Flat Face Flange (FF) Raised Face Flange (RF) Ring Joint Flange (RTJ) Lap Joint Flange Male and Female Flange (M&F) Large and Small Tongue and Groove Flange (T&G) |
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Product Type |
Forged Flanges, Blind Flanges, Spectacle Blinds, High Hub Blinds, Orifice Flanges, Slip-on Flanges, Socket Weld Flanges, Weld Neck Flanges, Flat Flanges, Lap Joint Flanges, Threaded Flanges, Reducing Flanges, Weld Neck Flanges Series A or B, Square Flanges, Groove & Tongue Flanges, Long Neck Weld Flanges, Screwed Flanges, Ring Type Joint Flanges, Flange Facing Type & Finish, Spades and Ring Spacers (part of flange connection), Weldo Flange / Nipo Flange, Expander Flange |
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Surface Treatment |
Anti-Rust Oil, Painting ( Black, Yellow), Galvanizing, Power Coating |
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Pressure |
ANSI |
Class 150, 300, 600, 900, 1500, 2500 lbs |
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DIN |
PN6, PN10, PN16, PN25, PN40 |
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GOST |
PN6, PN10, PN16, PN25, PN40, PN63, PN100 |
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EN1092-1 |
PN6, PN10, PN16, PN25, PN40, PN63, PN100 |
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JIS |
5K, 10K, 16K, 20K, 30K, 40K |
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BS4504 |
PN6, PN10, PN16, PN25, PN40 |
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Size |
ANSI |
1/2″ – 80″ |
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DIN |
DN15-DN2000 |
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GOST |
DN15-DN1600 |
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EN1092-1 |
DN15-DN2000 |
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JIS |
15A-1500A |
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BS4504 |
DN15-DN2000 |
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Certification |
EN 10204 3.1 Mill Test Report |
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Usage |
Used for the connection of all kinds of piping systems to convey the water, steam, air, gas and oil |
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Package |
Plywood Pallet, Wooden Pallet, Wooden Case etc. |
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What are the Orifice flanges 900/1500/2500 for advantages and disadvantages?
It is important to note that orifice flanges with pressure ratings of 900, 1500, and 2500 have specific advantages and disadvantages, which can be summarized as follows:
These advantages include:
- An orifice flange is designed to accommodate an orifice plate that has a precisely drilled hole in the center of it, which is used to measure the flow precisely. As a result of this design, orifice flanges can accurately measure the flow rate of fluids, gases, or steam, which makes them excellent choices for applications that require flow measurement of fluids, gases, or steam.
- The cost-effectiveness of orifice flanges can be attributed to the fact that these devices are generally less expensive than other types of flow measurement devices, such as flow meters. In addition, they are easy to install and maintain, which further reduces their overall cost as a result.
- It is important to remember that orifice flanges can be used with a wide range of fluids, gases, and steam, making them a versatile choice for various applications.
Its disadvantages include:
- The main disadvantage of orifice flanges is that they can lead to a significant pressure drop in the pipeline, which is one of their major disadvantages. As a result of this pressure drop, energy can be lost, and the efficiency of the pipeline can be reduced.
- It is important to note that orifice flanges are generally accurate, however, their accuracy is generally limited by the size of the orifice plate and the flow conditions in the pipeline. The use of sophisticated flow measurement devices such as flowmeters may be required in order to obtain highly accurate flow measurements.
- Wear and tear: Flanges are subject to wear and tear over time, especially if the fluid or gas being transported is corrosive or abrasive, which is the case with orifice flanges. In the long run, this will lead to inaccuracies in the flow measurement and eventually will require the replacement of the orifice plate as a result.
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