Large Diameter Flange-Jiangsu Jinruiheng Metal Materials Co., Ltd

English



Large flange

Current location: HOME / PRODUCTOS / Machining / Large flange / Large Diameter Flange

Large Diameter Flange

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.

Contact us →

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.

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
Dimension	Range	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
Eccenticity of bolt circle and machined facing diameters	≥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
B(inside diameter,or bore)	≥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
B(counterbore) (Not applicable for Class 150 lb)	≥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.

Inquiry

To learn more about this product, you can submit your requirements here