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Spades Ring Spacers Flanges

Slip-on Flanges

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Material Category Available Grades
Stainless Steel Flanges ASTM A182 / A240 F304, F304L, F304H, F316, F316L, F316Ti, F310, F310S, F321, F321H, F317, F347, F347H, F904L.
Duplex & Super Duplex Steel Flanges ASTM/ASME A/SA 182 F44, F45, F51, F53, F55, F60, F61.
Carbon Steel Flanges ASTM/ASME A/SA 105, ASTM/ASME A350, ASTM A181 LF2, ASTM A516 Gr.70, ASTM A36, ASTM A694 F42, F46, F52, F60, F65, F70.
Low Temperature Carbon Steel Flanges ASTM A350 LF2, LF3.
Alloy Steel Flanges ASTM/ASME A/SA 182 & A387 F1, F5, F9, F11, F12, F22, F91.
Copper Alloy Flanges ASTM SB61, SB62, SB151, SB152, UNS C70600 (Cu-Ni 90/10), C71500 (Cu-Ni 70/30), C10100, C10200, C10300, C10800, C12000, C12200.
Nickel Alloy Flanges ASTM SB564, SB160, SB472, SB162, Nickel 200 (UNS N02200), Nickel 201 (UNS N02201), Monel 400 (UNS N04400), Monel K500 (UNS N05500), Inconel 800 (UNS N08800), Inconel 825 (UNS N08825), Inconel 600 (UNS N06600), Inconel 625 (UNS N06625), Inconel 601 (UNS N06601), Hastelloy C276 (UNS N10276), Alloy 20 (UNS N08020).

Flanges Specification

Dimensions & Standards

  • ASME B16.5
  • ASME B16.47 Series A & B
  • MSS SP-44
  • API-605 & AWWA
  • Custom Drawings Available

Size Range

  • 1/2" (15 NB)
  • Up to 48" (1200 NB)
  • Standard & Custom Sizes
  • Drawing-Based Manufacturing

Pressure Class

  • Class 150
  • Class 300
  • Class 600
  • Class 900
  • Class 1500
  • Class 2500

DIN Standards

  • DIN 2527, 2566, 2573 & 2576
  • DIN 2641, 2642, 2655 & 2656
  • DIN 2627–2638
  • DIN 2673
  • ND-6, ND-10, ND-16, ND-25 & ND-40

BS Standards

  • BS 4504
  • BS 1560
  • BS 10
  • PN6, PN10 & PN16
  • PN25 & PN40

Table & JIS Standards

  • Table D
  • Table E
  • Table F
  • Table H, J & K
  • JIS B2220 (5K, 10K & 16K)

API Pressure Ratings

  • PSI 2000
  • PSI 3000
  • PSI 5000
  • PSI 10000
  • Additional Ratings Available

Face Types

  • Flat Face (FF)
  • Raised Face (RF)
  • Ring Type Joint (RTJ)
  • Male & Female (M/F)
  • Tongue & Groove (T&G)

Manufacturing & Supply

  • Forged & Plate Flanges
  • CNC Machined Finish
  • PMI & Dimensional Inspection
  • Mill Test Certificate (EN 10204 3.1)
  • Export Packaging

Applications, Industries & Export Supply

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Industries Served: oil & gas, petrochemical, refineries, power generation, EPC projects, marine, water treatment, and general engineering.

Supply Regions: India, GCC/Gulf markets, and global export projects with commercial support for manufacturer, supplier, stockist, and exporter requirements.

Request a Quote: Share your size, pressure class, material grade, and quantity for faster offer turnaround.

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Manufacturing Process

How Our Stainless Steel Flanges Are Manufactured

01

Raw Material Selection

Certified stainless steel billets are selected according to ASTM, ASME, and EN standards.

02

Hot Forging

Billets are heated and forged into the required flange shape for maximum strength.

03

CNC Machining

Precision machining creates the bore, facing, bolt holes, and required dimensions.

04

Heat Treatment

Stress relieving and solution annealing are performed whenever required.

05

Inspection & Testing

PMI, dimensional inspection, hydrostatic testing, and NDT ensure product quality.

06

Surface Finishing

Flanges are cleaned, pickled, passivated, and finished as per customer requirements.

07

Marking

Each flange receives grade, size, heat number, and standard identification markings.

08

Packaging & Dispatch

Products are packed securely with flange protectors, wooden pallets, and export-ready crates.