Pressure Flanges Large Diameter
Pressure Flanges Large Diameter

For non-standard customized products, customers need to send us detailed requirements for evaluation in writing as soon as possible. For products for special purposes, some parts require import or special processing requirements It may take longer to develop.

vivian@jrhss.com
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Our company supplies a vast array of flanges to suit Intake, Exhaust and Turbocharger applications, all of which are designed to withstand the most rigorous operating conditions.

When developing custom flange solutions with a client, we take into consideration customer specifications to ensure we deliver flanges that both fit and perform. We also work closely with our customers’ engineering teams and incorporate our flanges into their designs, matching specific standards and tolerances.

  • Blind large diameter pn16 flange
  • Large Diameter Flange
  • 16 inch large caliber flange
  • Large Diameter CNC Ring Flanges
  • Large ordinary flange blank
  • Pressure Flanges Large Diameter

Dimensions

NW63 Tube OD: 2.50", Clamp Flange OD: 95mm/3.74", Bolted Flange OD: 130mm/5.12"
NW100 Tube OD: 4.00", Clamp Flange OD: 130mm/5.12", Bolted Flange OD: 165mm/6.50"
NW160 Tube OD: 6.00", Clamp Flange OD: 180mm/7.09", Bolted Flange OD: 225mm/8.86"
NW200 Tube OD: 8.00", Clamp Flange OD: 240mm/9.45", Bolted Flange OD: 285mm/11.22"

Service

Our company offers a wide variety of options for flange production, depending on the material, application, volume and cost targets. We offer our clients the following services:

  • Stamped and Formed Flanges
  • Laser-cut Flanges
  • EDM Wire-cut Flanges
  • Plasma-cut Flanges
  • Investment and Die Cast Flanges
  • Forged Flanges
  • Fully CNC Machined Flanges

In addition to custom flange design and production,Our company stocks a wide array of V-Band Flanges, 2-bolt, 3-bolt and 4-bolt exhaust flanges, Turbo Flanges and Manifold Flanges. Whether you need a flange for prototyping or a large quantity for a production run, our team is standing by ready to help find the solution that best suits your requirements. We can also supply custom gaskets and O-Ring Seals in a wide variety of materials to suit your operating conditions.

Materials

  • CARBON STEEL – SA-105N, SA-350LF2-1, A694, CSA Z245.12, SA-516-70
  • STAINLESS STEEL – SA-182 304/304L, 316/316L, 317/317L, 321/321H, 347/347H, 304H, 310
  • CHROME ALLY STEEL – SA-182 F11, F22, F5, F9, F91
  • DUPLEX STAINLESS– F51/2205, F53/2507, F60
  • EXOTICS – ALUMINIUM, TITANIUM, NICKEL ALLOYS

Flanges & Rings

  • ASME/ANSI B16.5 FORGED FLANGES
  • LDS LARGE OD SO & LJ FLANGES – INDUSTRY STANDARD
  • HIGH YIELD CSA Z245.12 & AWWA FLANGES
  • B16.47-A/MSS SP-44 & B16.47-B/API-605
  • ASME/ANSI B16.36 ORIFICE FLANGES
  • ASME/ANSI B16.48 SPECTACLE BLINDS – LINE BLANKS, PADDLES, SPACERS
  • DIN FLANGES, JIS FLANGES, PLATE FLANGES
  • LONG WELDNECKS, EXPANSION BARRELS, & BODY CONNECTORS
  •  LAP JOINT END RINGS & GROOVED RINGS FOR COUPLING CONNECTORS

Product Range

  • Size：DN15MM-DN5000MM
  • Standard： EN  ASME  JIS  BS  ,GB 12459, SHJ, HGJ Anst, DIN, ISO standard
  • Pressure：150LB-2500LB
Tolerances on flange dimensions (ASME/ANSI B16.5 and B16.47,and MSS SP-44)
Dimension Range Tolerance
in mm
General and Blind Flanges:
G(raised face diameter) ≤NPS ±0.03 ±0.76
≥NPS 26,with 0.06 in raised face ±0.06 ±2.03
≥NPS 26,with 0.25 in raised face ±0.04 ±1.02
I(bolt hole diameter) All No telerance in B16.5 or B16.47
J(bolt circle diameter) All ±0.06 ±1.52
Centre to centre of adjacent bolt holes All ±0.03 ±0.76
Eccenticity of bolt circle and machined facing diameters ≤NPS 2 1/2 ±0.03 ±0.76
≥NPS 3 ±0.06 ±1.52
Weld Neck Flanges:
D(overall length) ≤NPS 4 ﹢0.06 ﹢1.52
NPS 5 to 10 ﹢0.06,﹣0.12 ﹢1.52,﹣3.05
NPS 12 to 24 ﹢0.12,﹣0.18 ﹢3.05,﹣4.57
≥NPS 26 ±0.19 ±4.83
Thickness of hub All ＞87.5％ of pipe nominal wall thickness
Slip on,Lap Joint and Socket Welding Flanges:
B(inside diameter,or bore) ≤NPS 10 ﹢0.03,﹣0.0 ﹢0.76,﹣0.0
≥NPS 12 ﹢0.06,﹣0.0 ﹢1.52,﹣0.0
Threaded Flanges:
B(counterbore)    (Not applicable for Class 150 lb) ≤NPS 10 ﹢0.03,﹣0.0 ﹢0.76,﹣0.0
≥NPS 12 ﹢0.06,﹣0.0 ﹢1.52,﹣0.0

FAQ

Q1:Accepted delivery terms

A1:EXW, FOB, CFR, CIF, FCA, FSA, CPT, CIP, DAT, DAP, DDP, DDU

Q2:Accepted Payment Types

A2:T/T, L/C

Q3:What is your delivery time ?

A3:8000 tons of inventory guarantee immediate delivery, Non-stock products, delivery within 5-7 days.

Q4:Accepted payment currencies

A4:CNY, USD, EUR, JPY, CAD, AUD, HKD, GBP, CHF

Q5:What standard steel can you provide?

A5:We can provide various standards, such as: AISI, ASTM, ANSI, ASME, UNS, SAE, DIN, EN, GB, JIS, etc

Q6:How do you guarantee the product quality?

A6:CE, ISO certificate, supporting any third party inspection. A pre-production sample before mass production, final Inspection before shipment.

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