Flanges are used to connect 2 pipes or tubes with the help of bolts, nuts, and gaskets. They are produced using different materials and in different types by Flange Manufacturer In Mumbai. Stainless steel and carbon steel are Flange Materials used to manufacture different types of flanges such as socket weld flange, weld flange, blind flange, and so on. Pipe Flange having these types of connections allow ease of dismantling, for repair and maintenance purpose. There is various other Type Of Flange used for commercial, industrial, and institutional purposes.
Moreover, the other type of Industrial Flange manufactured by us include.
The above mentioned types of flanges are used for specific applications. However, every application requires the Correct Flange Size to work efficiently. One of the advantages of this 2 Inch Flange is that a small section of the pipe can be removed and inspected. The Industry Standard Flange Dimensions are the same all over the world. This assists in smooth operation and repair work of 4 Inch Flange. These different types of flange that are used in various applications are manufactured using various techniques and machines by 3 Inch Flanges manufacturers In India.
We at Fastwell provide Industrial Pipe Flange that can be used in commercial as well as domestic use. The dimensions of these flanges are mentioned in Industrial Flange Bolt Chart. The outside diameter, bolt diameter, thickness, and a number of bolts are considered in Industrial Flange Dimensions. We have been producing Flanges For The Oil Industry, chemical, and fertilizer industry for quite some time now. We supply these Industry Standard Class 175 Flange to various companies in different countries. Our affordable Industry Standard Flange are well known for their quality. We are one of the well known Flange Supplier In Mumbai.
Table Of Content:
Flange Types
Blind Flange
One such type of flanges is the Blind Flange that is used to end a pipe in the piping system. A Stainless Steel Blind Flange does not have a center or a bore. ANSI B16.5 BLRF Flanges is used to seal a nozzle opening of a pressure vessel. A Blank Flanges provides easy access to the interior of the vessel since it is bolted.
Slip On Flange
They are a type of ring that is placed on the end of the pipe with the face of the flange facing the pipe at a distance to apply weld. Slip On Flanges manufacturer In India also welds the outer diameter on the backside of the flange.
Reducing Flange
Reducing Flange are used to connect 2 pipes or tubes of the same or different diameters. The flanges that are used to connect pipes of different diameters are known as Reducing Flanges. The flanges of a Reducing Flanges is of specific diameter however the bore is of a reducing diameter.
Weld Neck Flange
Weld Neck Flange that is recognized by its long tapered hub that goes towards the wall thickness. Due to the welded neck of the WN Flanges, they are used in applications with high pressure, high temperature, along with the ones that work in sub zero temperature.
Threaded Flange
One such type is the Threaded Flange. Special circumstances demand the use of these Threaded Flange since they can be attached to the pipe without welding. Threaded Pipe Flanges at times can be welded if the circumstance demand so. Threaded Flanges is not suitable for walls that have thin thickness.
Lap Joint Flange
Lap Joint Flange is used in conjunction with the lap joined stub ends. Weld Bend Lap Joint Flange is similar to slip on flange with the exception of 2 things.
Socket Weld Flange
Flange are used to connect or terminate the pipes in a particular piping system. They are available in various forms one such type is Socket Weld Flange. They were initially developed to be used in high pressure pipes that are small in size.
Flange Dimensions
EN 1092-1 Flange
EN 1092-1 Flange is one such type of flange that is has a raised face and is 160 mechanically turned. The nominal pressure of these EN 1092-1 PN 16 Flanges is equivalent to the number of bars. For example, the cold working pressure of EN 1092-1 PN 10 Flanges is 10 bars and that of ON40 is 40 bars.
EN 1092-2 Flange
EN 1092-2 Flanges that has dimensions depending upon various factors such as nominal diameter, outside diameter, the diameter of bolt circle, and bolt hole.
API Flange
API Flange has dimensions based on outer diameter, thickness, and nominal size and is measured in inches. API Flanges is used to block off a section of the pipe. They are used in industries such as oil, natural gas, petroleum pipeline, and gas explosives.
DIN 2501 Flange
DIN 2501 Flange is one such standard that is used to produce various types of flanges such as weld neck, socket weld, and so on. DIN 2501 Pn16 Flanges manufacturer In India divides the dimensions of these flanges into various parameters such as the thickness of the flanges, flanges diameter, diameter of bolt circle, and pipe.
DIN 2527 Flange
DIN 2527 Flange can be used at a maximum temperature of 120 degrees C along with a working pressure of 16 bars. The yield point of these bars may become lower in case the temperature range exceeds 120 degrees C and hovers between 120 and 300 degrees C.
DIN 2561 Flange
DIN 2561 Flange is one such type of flange that displays tolerance to severe temperature and pressure. They can be identified due to their long hubs that protrude. As per DIN 2561 Blind Flanges manufacturer In India, these hubs provide support to the pipe in high temperature and pressure systems that might hamper the efficiency due to bending.
P235GH Flange
One of these flanges is the P235GH Flange. To get more grip on the surface attachment these flanges have a collar. This helps them to get a grip even on the other flange and fitting.
Industry Standard Flange Pressure Rating
Pipe Flanges Service Ratings And Classification
This is designated using a number and either like:
Common Indian Standard Flange Classifications
Class 150 Flanges
Class 150 Flanges is made up of cast or forged material. Each class has a specific pressure and temperature rating. For instance, 3 Inch Class 150 Flanges at ambient temperature is rated at 270 Psig, and 180 Psig at 400 degrees F. ANSI B16.5 150 Flange at 600 degrees F is said to have 150 Psog and at 800 degrees F is said to have 75 Psig.
Class 300 Flanges
Class 300 Flanges is used in power generation, petrochemical, construction, gas, and petroleum industries. Furthermore, these 300lb Series Series B Flanges are also used in metallurgy, shipbuilding, heavy oil refineries, and nuclear power equipment.
Flange Face Types
Ring Type Joint Flange
Ring Type Joint Flanges is a metallic ring that has a groove cut into its face. When the connecting bolts of ASME B16.5 RTJ Flanges are tightened this ring gets pressed. RTJ Flanges are used in services with high working temperatures and pressure. The pressure class rating of these flange ranges between 150 to 2500. These flanges have the potential to form cracks at the intersection of the sides and bottom of the groove.
Other Flange Facing Type And Finish
Flanges Used In Oil And Gas Industry
Stainless Steel
Alloy Steel
Pipe Flange Price In India
Type Of Flanges | Size | SCH | Class | Material | Price In INR (India) Per Piece |
---|---|---|---|---|---|
Blind Flange | 3/4 | SCH 40 | 150 | Stainless Steel 304 | 150.00 |
Blind | 1" | SCH 40 | 150 | - | 248.00 |
Blind | 1-1/2" | SCH 40 | 150 | - | 399.00 |
Blind | 2" | SCH 40 | 150 | - | 523.00 |
Blind | 3" | SCH 40 | 150 | - | 650.00 |
Blind | 4" | SCH 40 | 150 | - | 968.00 |
Weld Neck Flange | 1/3" | SCH STD | 150 | - | 274.00 |
Weld Neck | 1" | SCH STD | 150 | - | 389.00 |
Weld Neck | 2" | SCH STD | 150 | - | 635.00 |
Weld Neck | 3" | SCH STD | 150 | Stainless Steel 304 | 847.00 |
Weld Neck | 4" | SCH STD | 300 | - | 944.00 |
Weld Neck | 6" | SCH 80 | 300 | - | 1199.00 |
Slip On Flange | 3/4" | SCH 40 | 150 | - | 184.00 |
Slip On | 1" | SCH 40 | 150 | - | 294.00 |
Slip On | 2" | SCH 40 | 150 | - | 403.00 |
Slip On | 3" | SCH 40 | 150 | Stainless Steel 304 | 350.00 |
Slip On | 4" | SCH 40 | 150 | - | 533.00 |
Slip On | 6" | SCH 40 | 150 | - | 873.00 |
Slip On | 8" | SCH 80 | 300 | - | 1342.00 |
Socket Weld Flange | 3/4" | SCH XS | 150 | Stainless Steel 304 | 183.00 |
Socket Weld | 1" | SCH XS | 150 | - | 245.00 |
Socket Weld | 1-1/2” | SCH XS | 150 | - | 399.00 |
Socket Weld | 1” | SCH XS | 150 | - | 500.00 |
Socket Weld | 2” | SCH XS | 150 | Stainless Steel 304 | 649.00 |
Many Flanges manufacturer In India And Indian Standard Flanges wholesalers, dealers, supplier, importers, retailers, exporters, stockists, stockholders, and distributors choose us for the best price of 2 Inch Flange in Mumbai, Find your sizes in our stock of 3 Inch Flange in Mumbai, Contact for a Quick Quote!. For final Industrial Flange Price List Please Call on +91-9987870874 or drop an Email to info@fastwell.in.
Flange Material Specifications
Manufacturer Specification | Flanges |
---|---|
Manufacturer Length | NPS 1⁄₂" To NPS 48” |
High Temperature | (Maximum) 200°C (400°F) For Class 150 |
Flanges Face Type | RTJ/ FF/ RF/ lap joint/ Male And Female (M&F)/ Tongue And Groove (T&G). |
Mimimum Thickness | NPS (Normal Pipe Size) ≤ 18 |
Other Type Of Flange | Closet Flanges/ Companion Flanges/ Correct Flanges/ Pipe Flanges/ Blank Flanges/ Exhaust Flanges/ Girth Flanges/ ISO Flanges/ Metal Flanges/ Quick Flanges/ Split Flanges/ Swivel Flanges |
Fastweel Manufacturer Type Of Industrial flanges | Socket Weld/ RTJ/ Lap Joint/ Threaded/ Blind/ Slip On/ Weld Neck/ Reducing |
Manufacturing Material | Duplex Steel, Super Duplex, Incoloy, Alloy 20, Copper, Carbon Steel, Nickel Alloys, Tantalum, Cupro-Nickel Inconel, Monel, Titanium, Hastalloy, Alloy Steel, Stainless Steel, Brass, Bronze |
Flange Methods | Forging/ Casting/ Rolling And Cutting |
Manufacturer Pressure Class | Class 150 To Class 2500 |
Available Schedule | SCH 5S/ SCH 10/ SCH 40/ SCH 80/ SCH 120/ SCH 160/ SCH 180 To XXS |
Dimensions & Standard | EN 1092-1/ EN 1092-2/ API/ DIN 2501/ DIN 2527/ DIN 2561/ P235GH |
Steel Pipe Flange Weights
Nominal Pipe Size For (NPS) | Slip On (SORF) | Threaded (NPT) | Socket Weld (SWRF) | Lap Joint (Loose) | Blind (BLRF) | Weld Neck (WNRF) |
---|---|---|---|---|---|---|
½ | 1 | 1 | 2 | 1 | 2 | 2 |
¾ | 2 | 2 | 2 | 2 | 2 | 2 |
1 | 2 | 2 | 2 | 2 | 2 | 3 |
1¼ | 3 | 3 | 3 | 3 | 3 | 3 |
1½ | 3 | 3 | 3 | 3 | 4 | 4 |
2 | 5 | 5 | 5 | 5 | 5 | 6 |
2½ | 8 | 8 | 8 | 8 | 7 | 10 |
3 | 9 | 9 | 9 | 9 | 9 | 11.5 |
3½ | 11 | 12 | 11 | 11 | 13 | 12 |
4 | 13 | 13 | 13 | 13 | 17 | 16.5 |
5 | 15 | 15 | 15 | 15 | 20 | 21 |
6 | 19 | 19 | 19 | 19 | 27 | 26 |
8 | 30 | 30 | 30 | 30 | 47 | 42 |
10 | 43 | 43 | 43 | 43 | 70 | 54 |
12 | 64 | 64 | 64 | 64 | 123 | 88 |
14 | 90 | 90 | 90 | 105 | 140 | 114 |
16 | 106 | 98 | 98 | 140 | 180 | 140 |
18 | 130 | 130 | 130 | 160 | 220 | 165 |
20 | 165 | 165 | 165 | 195 | 285 | 197 |
22 | 185 | 185 | 185 | 245 | 355 | 225 |
24 | 220 | 220 | 220 | 275 | 430 | 268 |
4 Inch Industrial Flange Bolt Chart
Flange Marking
These markers also follow a strict order:
Correct Flange Size
(NPS) For Nominal Pipe Size In (inches) | As Per ASME B16.5 Class 150 | ||||
---|---|---|---|---|---|
Flange Diameter In (inch) | Bolts Number | Bolt Diameter In (inch) | Bolt Holes (B.H.) Diameter In (inch) | Bolt Circle (B.C.) In(inch) | |
1/4 | 3-3/8 | 4 | 1/2 | 0.62 | 2-1/4 |
1/2 | 3-1/2 | 4 | 1/2 | 0.62 | 2-3/8 |
3/4 | 3-7/8 | 4 | 1/2 | 0.62 | 2-3/4 |
1 | 4-1/4 | 4 | 1/2 | 0.62 | 3-1/8 |
1-1/4 | 4-5/8 | 4 | 1/2 | 0.62 | 3-1/2 |
1-1/2 | 5 | 4 | 1/2 | 0.62 | 3-7/8 |
2 | 6 | 4 | 5/8 | 0.75 | 4-3/4 |
2-1/2 | 7 | 4 | 5/8 | 0.75 | 5-1/2 |
3 | 7-1/2 | 4 | 5/8 | 0.75 | 6 |
3-1/2 | 8-1/2 | 8 | 5/8 | 0.75 | 7 |
4 | 9 | 8 | 5/8 | 0.75 | 7-1/2 |
5 | 10 | 8 | 3/4 | 0.88 | 8-1/2 |
6 | 11 | 8 | 3/4 | 0.88 | 9-1/2 |
8 | 13-1/2 | 8 | 3/4 | 0.88 | 11-3/4 |
10 | 16 | 12 | 7/8 | 1 | 14-1/4 |
12 | 19 | 12 | 7/8 | 1 | 17 |
14 | 21 | 12 | 1 | 1.12 | 18-3/4 |
16 | 23-1/2 | 16 | 1 | 1.12 | 21-1/4 |
18 | 25 | 16 | 1-1/8 | 1.25 | 22-3/4 |
20 | 27-1/2 | 20 | 1-1/8 | 1.25 | 25 |
24 | 32 | 20 | 1-1/4 | 1.38 | 29-1/2 |
Test Certificates
Value Added Services
Exhaust Flange Gasket Size Chart
NPS For (Normal Pipe Size) | Gasket (I.D.) Inside Daimeter | Gasket (O.D.) Outside Daimeter | ||||
---|---|---|---|---|---|---|
#150LB | #300LB | #400LB | #600LB | #900LB | ||
1/2" | 0.84 | 1.875 | 2.125 | 2.125 | 2.125 | 2.50 |
3/4" | 1.06 | 2.25 | 2.625 | 2.625 | 2.625 | 2.75 |
1" | 1.31 | 2.625 | 2.875 | 2.875 | 2.875 | 3.125 |
1 1/4" | 1.66 | 3 | 3.25 | 3.25 | 3.25 | 3.50 |
1 1/2" | 1.91 | 3.375 | 3.75 | 3.75 | 3.75 | 3.875 |
2" | 2.38 | 4.125 | 4.375 | 4.375 | 4.375 | 5.625 |
2 1/2" | 2.88 | 4.875 | 5.125 | 5.125 | 5.125 | 6.50 |
3" | 3.50 | 5.375 | 5.875 | 5.875 | 5.875 | 6.625 |
4" | 4.50 | 6.875 | 7.125 | 7.00 | 7.625 | 8.125 |
5" | 5.56 | 7.75 | 8.50 | 8.375 | 9.50 | 9.75 |
6" | 6.62 | 8.75 | 9.875 | 9.75 | 10.50 | 11.375 |
8" | 8.62 | 11 | 12.125 | 12.00 | 12.625 | 14.125 |
10" | 10.75 | 13.375 | 14.25 | 14.125 | 15.75 | 17.125 |
12" | 12.75 | 16.125 | 16.625 | 16.50 | 18.00 | 19.625 |
Documentation
List Of Machineries
ASME Flange Face Types
Types of Flange Faces | DIN And EN 1092-1 |
---|---|
Without (RF) Raised Face | Form A |
(RF) For Raised Face | Form B1 |
(RF) For Raised Face | Form B1 |
(RF) For Raised Fac | Form B2 |
DIN2512 Tongue | Form C |
DIN 2512 Groove | Form D |
DIN 2513 Male | Form E |
DIN 2513 Female | Form F |
3 Inch Flange Advantages
Flanges For The Oil Industry |
Check Pressure Class Of Pipe Flanges |
NPS List |
Advantages & Applications |
Slip On Flanges |
Low Pressure |
All |
Simple Installation/ Low Price/ Easy To Use |
Blind Flanges |
Very High Pressure |
All |
Pressure Testing/ Connected To Closing Pipe And Valve/ Low Price/ Easy Installation |
Socket Weld Flanges |
High Pressure |
Small |
SW Flanges For ; Smooth Bore And Better Fluid Flow |
Threaded Flanges |
Low Pressure |
Small |
Threaded Flanges (NPT/ BSP): Bore Which Matches An External Thread On The Pipe |
Lap Joint Flanges |
Low Pressure |
All |
Lap Joint Flanges Have A Long Neck And Stub End That Is Welded To The Pipe |
Weld Neck Flanges |
High Pressure |
All |
WN Flange use Conditions Are Critical And Severe. |
Flanged Connection Types
A typical pipe flanges connection is comprised of 3 parts:
Functional Design Of 2 Inch Flange
Pitch Circle Diameter Of Flange
NPS Nominal Pipe Size(inch) | Class 150 Flanges | ||||
---|---|---|---|---|---|
Dia. of Flanges (inch) | Number of Bolt | Dia. of Bolt (inch) | Dia. of Bolts Holes (B.H.) (inch) | Bolt Circle (B.C.) (inch) | |
1/4 | 3-3/8 | 4 | 1/2 | 0.62 | 2-1/4 |
1/2 | 3-1/2 | 4 | 1/2 | 0.62 | 2-3/8 |
3/4 | 3-7/8 | 4 | 1/2 | 0.62 | 2-3/4 |
1 | 4-1/4 | 4 | 1/2 | 0.62 | 3-1/8 |
1-1/4 | 4-5/8 | 4 | 1/2 | 0.62 | 3-1/2 |
1-1/2 | 5 | 4 | 1/2 | 0.62 | 3-7/8 |
2 | 6 | 4 | 5/8 | 0.75 | 4-3/4 |
2-1/2 | 7 | 4 | 5/8 | 0.75 | 5-1/2 |
3 | 7-1/2 | 4 | 5/8 | 0.75 | 6 |
3-1/2 | 8-1/2 | 8 | 5/8 | 0.75 | 7 |
4 | 9 | 8 | 5/8 | 0.75 | 7-1/2 |
5 | 10 | 8 | 3/4 | 0.88 | 8-1/2 |
6 | 11 | 8 | 3/4 | 0.88 | 9-1/2 |
8 | 13-1/2 | 8 | 3/4 | 0.88 | 11-3/4 |
10 | 16 | 12 | 7/8 | 1 | 14-1/4 |
12 | 19 | 12 | 7/8 | 1 | 17 |
14 | 21 | 12 | 1 | 1.12 | 18-3/4 |
16 | 23-1/2 | 16 | 1 | 1.12 | 21-1/4 |
18 | 25 | 16 | 1-1/8 | 1.25 | 22-3/4 |
20 | 27-1/2 | 20 | 1-1/8 | 1.25 | 25 |
24 | 32 | 20 | 1-1/4 | 1.38 | 29-1/2 |
NPS For (Nominal Pipe Size)(Inch) | Class 300 Flanges | ||||
---|---|---|---|---|---|
Dia. of Flanges (Inch) | No. of Bolt | Dia. of Bolt (Inch) | Dia. of Bolts Holes For (B.H.) (Inch) | Bolts Circle For (B.C.) (Inch) | |
1/4 | 3-3/8 | 4 | 1/2 | 0.62 | 2-1/4 |
1/2 | 3-3/4 | 4 | 1/2 | 0.62 | 2-5/8 |
3/4 | 4-5/8 | 4 | 5/8 | 0.75 | 3-1/4 |
1 | 4-7/8 | 4 | 5/8 | 0.75 | 3-1/2 |
1-1/4 | 5-1/4 | 4 | 5/8 | 0.75 | 3-7/8 |
1-1/2 | 6-1/8 | 4 | 3/4 | 0.88 | 4-1/2 |
2 | 6-1/2 | 8 | 5/8 | 0.75 | 5 |
2-1/2 | 7-1/2 | 8 | 3/4 | 0.88 | 5-7/8 |
3 | 8-1/4 | 8 | 3/4 | 0.88 | 6-5/8 |
3-1/2 | 9 | 8 | 3/4 | 0.88 | 7-1/4 |
4 | 10 | 8 | 3/4 | 0.88 | 7-7/8 |
5 | 11 | 8 | 3/4 | 0.88 | 9-1/4 |
6 | 12-1/2 | 12 | 3/4 | 0.88 | 10-5/8 |
8 | 15 | 12 | 7/8 | 1 | 13 |
10 | 17-1/2 | 16 | 1 | 1.12 | 15-1/4 |
12 | 20-1/2 | 16 | 1-1/8 | 1.25 | 17-3/4 |
14 | 23 | 20 | 1-1/8 | 1.25 | 20-1/4 |
16 | 25-1/2 | 20 | 1-1/4 | 1.38 | 22-1/2 |
18 | 28 | 24 | 1-1/4 | 1.38 | 24-3/4 |
20 | 30-1/2 | 24 | 1-1/4 | 1.38 | 27 |
24 | 36 | 24 | 1-1/2 | 1.62 | 32 |
NPS For (Nominal Pipe Size) (Inche) | Class 400 Flanges | ||||
---|---|---|---|---|---|
Dia. of Flange (Inche) | Number of Bolts | Dia. of Bolt In (Inche) | Dia. of Bolts Holes (B.H.) In (Inche) | Bolts Circle (B.C.) in (Inche) | |
1/4 | 3-3/8 | 4 | 1/2 | 0.62 | 2-1/4 |
1/2 | 3-3/4 | 4 | 1/2 | 0.62 | 2-5/8 |
3/4 | 4-5/8 | 4 | 5/8 | 0.75 | 3-1/4 |
1 | 4-7/8 | 4 | 5/8 | 0.75 | 3-1/2 |
1-1/4 | 5-1/4 | 4 | 5/8 | 0.75 | 3-7/8 |
1-1/2 | 6-1/8 | 4 | 3/4 | 0.88 | 4-1/2 |
2 | 6-1/2 | 8 | 5/8 | 0.75 | 5 |
2-1/2 | 7-1/2 | 8 | 3/4 | 0.88 | 5-7/8 |
3 | 8-1/4 | 8 | 3/4 | 0.88 | 6-5/8 |
3-1/2 | 9 | 8 | 7/8 | 1 | 7-1/4 |
4 | 10 | 8 | 7/8 | 1 | 7-7/8 |
5 | 11 | 8 | 7/8 | 1 | 9-1/4 |
6 | 12-1/2 | 12 | 7/8 | 1 | 10-5/8 |
8 | 15 | 12 | 1 | 1.12 | 13 |
10 | 17-1/2 | 16 | 1-1/8 | 1.25 | 15-1/4 |
12 | 20-1/2 | 16 | 1-1/4 | 1.38 | 17-3/4 |
14 | 23 | 20 | 1-1/4 | 1.38 | 20-1/4 |
16 | 25-1/2 | 20 | 1-3/8 | 1.5 | 22-1/2 |
18 | 28 | 24 | 1-3/8 | 1.5 | 24-3/4 |
20 | 30-1/2 | 24 | 1-1/2 | 1.62 | 27 |
24 | 36 | 24 | 1-3/4 | 1.88 | 32 |
NPS For (Nominal Pipe Size) (inch.) | Class 600 Flanges | ||||
---|---|---|---|---|---|
Dia. of Flanges (inch.) | Number of Bolts | Dia. of Bolts in (inch.) | Dia. of Bolts Holes (B.H.) (inch.) | Bolts Circle (B.C.) (inch.) | |
1/4 | 3-3/8 | 4 | 1/2 | 0.62 | 2-1/4 |
1/2 | 3-3/4 | 4 | 1/2 | 0.62 | 2-5/8 |
3/4 | 4-5/8 | 4 | 5/8 | 0.75 | 3-1/4 |
1 | 4-7/8 | 4 | 5/8 | 0.75 | 3-1/2 |
1-1/4 | 5-1/4 | 4 | 5/8 | 0.75 | 3-7/8 |
1-1/2 | 6-1/8 | 4 | 3/4 | 0.88 | 4-1/2 |
2 | 6-1/2 | 8 | 5/8 | 0.75 | 5 |
2-1/2 | 7-1/2 | 8 | 3/4 | 0.88 | 5-7/8 |
3 | 8-1/4 | 8 | 3/4 | 0.88 | 6-5/8 |
3-1/2 | 9 | 8 | 7/8 | 1 | 7-1/4 |
4 | 10-3/4 | 8 | 7/8 | 1 | 8-1/2 |
5 | 13 | 8 | 1 | 1.12 | 10-1/2 |
6 | 14 | 12 | 1 | 1.12 | 11-1/2 |
8 | 16-1/2 | 12 | 1-1/8 | 1.25 | 13-3/4 |
10 | 20 | 16 | 1-1/4 | 1.38 | 17 |
12 | 22 | 20 | 1-1/4 | 1.38 | 19-1/4 |
14 | 23-3/4 | 20 | 1-3/8 | 1.5 | 20-3/4 |
16 | 27 | 20 | 1-1/2 | 1.62 | 23-3/4 |
18 | 29-1/4 | 20 | 1-5/8 | 1.75 | 25-3/4 |
20 | 32 | 24 | 1-5/8 | 1.75 | 28-1/2 |
24 | 37 | 24 | 1-7/8 | 2 | 33 |
NPS For (Nominal Pipe Size)(inches) | Class 900 Flanges | ||||
---|---|---|---|---|---|
Dia. of Flanges (inches) | No. of Bolts | Dia. of Bolt in (inches) | Dia. of Bolts Holes (B.H.) In (inches) | Bolts Circles (B.C.) (inches) | |
1/2 | 4-3/4 | 4 | 3/4 | 0.88 | 3-1/4 |
3/4 | 5-1/8 | 4 | 3/4 | 0.88 | 3-1/2 |
1 | 5-7/8 | 4 | 7/8 | 1 | 4 |
1-1/4 | 6-1/4 | 4 | 7/8 | 1 | 4-3/8 |
1-1/2 | 7 | 4 | 1 | 1.12 | 4-7/8 |
2 | 8-1/2 | 8 | 7/8 | 1 | 6-1/2 |
2-1/2 | 9-5/8 | 8 | 1 | 1.12 | 7-1/2 |
3 | 9-1/2 | 8 | 7/8 | 1 | 7-1/2 |
4 | 11-1/2 | 8 | 1-1/8 | 1.25 | 9-1/4 |
5 | 13-3/4 | 8 | 1-1/4 | 1.38 | 11 |
6 | 15 | 12 | 1-1/8 | 1.25 | 12-1/2 |
8 | 18-1/2 | 12 | 1-3/8 | 1.5 | 15-1/2 |
10 | 21-1/2 | 16 | 1-3/8 | 1.5 | 18-1/2 |
12 | 24 | 20 | 1-3/8 | 1.5 | 21 |
14 | 25-1/4 | 20 | 1-1/2 | 1.62 | 22 |
16 | 27-3/4 | 20 | 1-5/8 | 1.75 | 24-1/2 |
18 | 31 | 20 | 1-7/8 | 2 | 27 |
20 | 33-3/4 | 20 | 2 | 2.12 | 29-1/2 |
24 | 41 | 20 | 2-1/2 | 2.62 | 35-1/2 |
NPS For (Nominal Pipe Size)(Inche) | Class 1500 Flanges | ||||
---|---|---|---|---|---|
Diameter of Pipe Flanges (Inche) | Bolts of No. | Bolts Diameter (Inche) | Bolt Holes (B.H.) Diameter (Inche) | (B.C.) For Bolts Circle (Inche) | |
1/2 | 4-3/4 | 4 | 3/4 | 0.88 | 3-1/4 |
3/4 | 5-1/8 | 4 | 3/4 | 0.88 | 3-1/2 |
1 | 5-7/8 | 4 | 7/8 | 1 | 4 |
1-1/4 | 6-1/4 | 4 | 7/8 | 1 | 4-3/8 |
1-1/2 | 7 | 4 | 1 | 1.12 | 4-7/8 |
2 | 8-1/2 | 8 | 7/8 | 1 | 6-1/2 |
2-1/2 | 9-5/8 | 8 | 1 | 1.12 | 7-1/2 |
3 | 10-1/2 | 8 | 1-1/8 | 1.25 | 8 |
4 | 12-1/4 | 8 | 1-1/4 | 1.38 | 9-1/2 |
5 | 14-3/4 | 8 | 1-1/2 | 1.62 | 11-1/2 |
6 | 15-1/2 | 12 | 1-3/8 | 1.5 | 12-1/2 |
8 | 19 | 12 | 1-5/8 | 1.75 | 15-1/2 |
10 | 23 | 12 | 1-7/8 | 2 | 19 |
12 | 26-1/2 | 16 | 2 | 2.12 | 22-1/2 |
14 | 29-1/2 | 16 | 2-1/4 | 2.38 | 25 |
16 | 32-1/2 | 16 | 2-1/2 | 2.62 | 27-3/4 |
18 | 36 | 16 | 2-3/4 | 2.88 | 30-1/2 |
20 | 38-3/4 | 16 | 3 | 3.12 | 32-3/4 |
24 | 46 | 16 | 3-1/2 | 3.62 | 39 |
NPS For (Nominal Pipe Size)(Inch) | Class 2500 Flanges | ||||
---|---|---|---|---|---|
Flange Diameter (Inch) | Bolts No. | Bolts Diameter (Inch) | Bolt Holes Diameter (Inch) | Bolts Circle In (Inch) | |
1/2 | 5-1/4 | 4 | 3/4 | 0.88 | 3-1/2 |
3/4 | 5-1/2 | 4 | 3/4 | 0.88 | 3-3/4 |
1 | 6-1/4 | 4 | 7/8 | 1 | 4-1/4 |
1-1/4 | 7-1/4 | 4 | 1 | 1.12 | 5-1/8 |
1-1/2 | 8 | 4 | 1-1/8 | 1.25 | 5-3/4 |
2 | 9-1/4 | 8 | 1 | 1.12 | 6-3/4 |
2-1/2 | 10-1/2 | 8 | 1-1/8 | 1.25 | 7-3/4 |
3 | 12 | 8 | 1-1/4 | 1.38 | 9 |
4 | 14 | 8 | 1-1/2 | 1.62 | 10-3/4 |
5 | 16-1/2 | 8 | 1-3/4 | 1.88 | 12-3/4 |
6 | 19 | 8 | 2 | 2.12 | 14-1/2 |
8 | 21-3/4 | 12 | 2 | 2.12 | 17-1/4 |
10 | 26-1/2 | 12 | 2-1/2 | 2.62 | 21-1/4 |
12 | 30 | 12 | 2-3/4 | 2.88 | 24-3/8 |
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