Weld Neck Pipe Flanges ASME B16.36 ASTM A182 F51
Brand Name:BOYUE
Certification:ISO9001
Model Number:BYWN000046
Minimum Order Quantity:1 pcs
Delivery Time:5-10 Work days
Payment Terms:L/C, D/A, T/T, D/P
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Shanghai Shanghai China
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ASTM A182 F51 F53 F55 Duplex Stainless Steel Flange Weld Neck Pipe Flanges ASME B16.36
1.ASME/ANSI B16.36 Orifice Flanges have orifice pressure differential connections. Federal can custom engineer your Orifice Flange in a range hole configurations—and any hole, bolt or circle diameter. And when you choose Federal, you’ll know your product will be a quality piece of work, exactly to your specification—and delivered ASAP.
These flanges and associated components are often used in conjunction with equipment that helps meter or measure the flow of liquids or gases in a pipeline. Federal can construct Orifice Flanges from any number of construction materials including stainless steel, alloy, carbon steel or any other suitable material of choice.
2. Check out available dimensions, grades, tolerances and other specs for the following Federal products:
.Welding Neck Flanges
.Threaded Orifice Flanges
.Slip-On Flanges
3. FLANGE - ORIFICE, WELD NECK, ANSI CLASS 300, B16.36 (IN)
Dimensions to ASME B16.36 - Orifice Flanges
Bolt circle diameters are 1/8 inch larger than bolt diameter.
All dimensions except "Thickness of Flange C sizes 1" are the same as a Weld Neck.
Approximate weight is based on a orifice flange union which is a set of flanges, plate not included.
Pipe Size (NPS) | Outside Diameter of Flange A | Diameter of Raised Face B | Thickness of Flange
| Diameter of Bore
| Diameter of Hub at Weld
| Diameter of Hub at Base
| Length of Hub
| Number of Bolt Holes NBH | Diameter of Bolt Holes DBH | Bolt Circle Diameter
| Approx. Weight Per Union (lb) AW |
| 1/2 | - | - | - | - | - | - | - | - | - | - | - |
| 3/4 | - | - | - | - | - | - | - | - | - | - | - |
| 1 | 4 7/8 | 2 | 1 1/2 | 1.049 | 1.315 | 2 1/8 | 2 7/16 | 4 | 3/4 | 3 1/2 | 18 |
| 1 1/4 | 5 1/4 | 2 1/2 | 1 1/2 | 1.380 | 1.660 | 2 1/2 | 2 9/16 | 4 | 3/4 | 3 7/8 | 20 |
| 1 1/2 | 6 1/8 | 2 7/8 | 1 1/2 | 1.610 | 1.900 | 2 3/4 | 2 11/16 | 4 | 7/8 | 4 1/2 | 25 |
| 2 | 6 1/2 | 3 5/8 | 1 1/2 | 2.067 | 2.375 | 3 5/16 | 2 3/4 | 8 | 3/4 | 5 | 27 |
| 2 1/2 | 7 1/2 | 4 1/8 | 1 1/2 | 2.469 | 2.875 | 3 15/16 | 3 | 8 | 7/8 | 5 7/8 | 35 |
| 3 | 8 1/4 | 5 | 1 1/2 | 3.068 | 3.500 | 4 5/8 | 3 1/8 | 8 | 7/8 | 6 5/8 | 43 |
| 3 1/2 | - | - | - | - | - | - | - | - | - | - | - |
| 4 | 10 | 6 3/16 | 1 1/2 | 4.026 | 4.500 | 5 3/4 | 3 3/8 | 8 | 7/8 | 7 7/8 | 66 |
| 5 | 11 | 7 5/16 | 1 1/2 | 5.047 | 5.563 | 7 | 3 7/8 | 8 | 7/8 | 9 1/4 | 78 |
| 6 | 12 1/2 | 8 1/2 | 1 1/2 | 6.065 | 6.625 | 8 1/8 | 3 7/8 | 12 | 7/8 | 10 5/8 | 106 |
| 8 | 15 | 10 5/8 | 1 5/8 | 7.981 | 8.625 | 10 1/4 | 4 3/8 | 12 | 1 | 13 | 152 |
| 10 | 17 1/2 | 12 3/4 | 1 7/8 | 10.020 | 10.750 | 12 5/8 | 4 5/8 | 16 | 1 1/8 | 15 1/4 | 216 |
| 12 | 20 1/2 | 15 | 2 | 12.00 | 12.750 | 14 3/4 | 5 1/8 | 16 | 1 1/4 | 17 3/4 | 327 |
| 14 | 23 | 16 1/4 | 2 1/8 | 13.25 | 14.00 | 16 3/4 | 5 5/8 | 20 | 1 1/4 | 20 1/4 | 448 |
| 16 | 25 1/2 | 18 1/2 | 2 1/4 | 15.25 | 16.00 | 19 | 5 3/4 | 20 | 1 3/8 | 22 1/2 | 596 |
| 18 | 28 | 21 | 2 3/8 | 17.25 | 18.00 | 21 | 6 1/4 | 24 | 1 3/8 | 24 3/4 | 741 |
| 20 | 30 1/2 | 23 | 2 1/2 | 19.25 | 20.00 | 23 1/8 | 6 3/8 | 24 | 1 3/8 | 27 | 887 |
| 22 | 33 | 25 1/4 | 2 5/8 | 21.25 | 22.00 | 25 1/4 | 6 1/2 | 24 | 1 5/8 | 29 1/4 | 1040 |
| 24 | 36 | 27 1/4 | 2 3/4 | 23.25 | 24.00 | 27 5/8 | 6 5/8 | 24 | 1 5/8 | 32 | 1311 |
4. Duplex Steel S31803 / S32205 Pipe Flanges Chemical Composition
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
| S31803 | 0.030 max | 2.00 max | 1.00 max | 0.030 max | 0.020 max | 22.0 – 23.0 | 3.0 – 3.5 | 4.50 – 6.50 | 0.14 – 0.20 | 63.72 min |
| S32205 | 0.030 max | 2.00 max | 1.00 max | 0.030 max | 0.020 max | 21.0 – 23.0 | 2.50 – 3.50 | 4.50 – 6.50 | 0.8 – 0.20 | 63.54 min |
Duplex Steel S31803 / S32205 Plate Flanges Mechanical Properties
| Grades | Density (g/cm 3) | Density (lb/in 3) | Melting Point (°C) | Melting Point (°F) |
| S31803 / S32205 | 7.805 | 0.285 | 1420 – 1465 | 2588 – 2669 |
Equivalent Grades for S31803 / S32205 Duplex Steel Industrial Pipe Flanges
| STANDARD | WERKSTOFF NR. | UNS |
| Duplex 2205 | 1.4462 | S31803 / S32205 |
5. Alloy 20 flange BS3293 producing standard:
Product Attribute
| Place of Origin | China | Brand Name | BOYUE |
| Standard | ASME B16.5 | Type | SO Flange |
| ModelNumber | Duplex Stainless Steel | Thickness | Sch40s,Sch80s,sch160 |
| Packing | Ply-Wood Cases | Payment | 30%TT+70% Balance |
Supply Ability:30000Pieces / per Month
Packaging & Delivery
Packaging Details:Generally ply wooden case or following customer's requirement.
Port:Shanghai/Tianjin
Commerce Clause
| Price: | Depending on quantity |
| Minimum Order Quantity | 1 PCS |
| Payment Terms: | T/T or Western Union or LC |
| Supply Ability: | 3,0000pcs per month |
| Delivery Time: | 10-100 days depending on quantity |
| Packaging Details: | PLY-WOODEN CASE OR PALLET |
Why Choose Us
1.One-Stop Service,One Single Source.
2.No MOQ.
3.Best quality,competitive price
4.Fast Reply.
5.On-Time Delivery
6.Professional sales and technical team .
FAQ
Q1: Are you a factory or a trade company?
A1: We are a professional manufacturer for designing and producing
of Large-size products.(View Mor)
Q2: Do you make customized products or finished parts?
A2: All parts are custom made only, and in stock, we can produce
based on your drawings.
Q3: Will my drawing be e after you get it?
A3: Yes, we will not release your design to third party unless with
your permission.
Q4: What is the MOQ?
A4: Small order is acceptable, but the more, the cheaper.
Q5: How about the samples?
A5: We are happy to make prototype part or sample for clients to
ensure quality standard, but it’s charged according to your
drawing.
Weld Neck Pipe Flanges ASME B16.36 ASTM A182 F51
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