Threaded Flange

TRIO STEEL IS A LEADING MANUFACTURER, SUPPLIER AND EXPORTER OF Threaded Flanges.

We provide a complete and best quality range of Threaded Flanges.Threaded Flanges are used in constructions, food industry, pharmaceutical industry, petrochemical industry, automotive industry, municipal and decorative purposes. All Threaded Flanges are individually covered so that the premium quality of materials is retained and there are no damges in the last stages of production.

Threaded Flanges Description

Other Name: Threaded Flanges, Screwed Flanges, NPT Flanges, B16.5, ASTM A105, CNC Screwed, 1/2-24, 150, 300

Threaded pipe flanges are similar to slip-on pipe flanges except the bore of threaded pipe flanges has tapered threads. Threaded pipe flanges are used with pipes that have external threads.

Standard: ANSI, ASME, ASA B16.5
Model: Threaded Screwed Flanges, NPT Flanges
Size: 1/2” – 24”
Material: ASTM A105, CARBON STEEL, High Nickel Alloys
Supply Ability: 3000Ton/Month
Process: Forged, Forging
Packing: Plywood Pallets
Payment Terms: T/T, L/C, D/P

THREADED FLANGES, SCREWED FLANGES, A105, RF, CLASS 150, CLASS 300, NPT FLANGES, 1/2″-24″, monthly output 3000 ton.

Norms & Types:

(1) CLASS 150, A105, 1/2″ – 24″, Threaded Flanges, Screwed Flanges, B16.5, NPT, THREADED, ASTM A105.
(2) CLASS 300, A105, 1/2″ – 24″, Threaded Flanges, Screwed Flanges, B16.5, NPT, THREADED, ASTM A105.

Material:

1) CARBON STEEL ASTM A105

Surface Antirust:
Surface antirust 1: Antirust light oil
Surface antirust 2: Black paint coating
Surface antirust 3: Yellow paint coating
Surface antirust 4: Galnavized (Hot Dipped Galvanized or Cold Galvanized or Electro Galvanized)

Surface Finish:
Surface finish 1: Stock finish
Surface finish 2: Sprial serrated
Surface finish 3: Two or three grooves (Water Lines)
Surface finish 4: Smooth finish

Threaded Flanges Dimensions & Tolerances

threaded_flange_dimn
NPS 1/2

Class 150 300 400 600 900 1500 2500
Diameter – A 30 38 38 38 38 38 43
Diameter – D 90 95 95 95 120 120 135
Thickness – B 9.6 12.7 14.3 14.3 22.3 22.3 30.2
11.2 14.3 20.7 20.7 28.7 28.7 36.6
Diameter – G 35.1 35.1 35.1 35.1 35.1 35.1 35.1
Diameter – K 60.3 66.7 66.7 66.7 82.6 82.6 88.9
Height – H 14 21 22 22 32 32 40
15.6 22.6 28.4 28.4 38.4 38.4 46.4
Bolt Holes 4 4 4 4 4 4 4
Diameter – L 15.9 15.9 15.9 15.9 22.2 22.2 22.2
Stud Bolts Diameter x Length
Diameter (in) 1/2 1/2 1/2 1/2 3/4 3/4 3/4
Length (mm) 55 65 75 75 110 110 120

——————– > NPS <---------------------

Dimensional Tolerances of Threaded Flanges ASME B16.5

Outside Diameter
≤ 24 = 1.6 mm | > 24 = ± 3.2 mm
Inside Diameter
Within Limits on Boring Gauge
Diameter of Contact Face
1.6 mm Raised Face = ± 0.8 mm
6.35 mm Raised Face, Tongue & Groove / Male-Female = ± 0.4 mm
Drilling
Bolt Circle = 1.6 mm | Bolt Hole Spacing = ± 0.8 mm
Eccentricity of Bolt Circle with Respect to Facing
≤ 2½ = 0.8 mm max. | ≥ 3 = 1.6 mm max.
Outside Diameter of Hub
≤ 12 = + 2.4 mm / – 1.6 mm | ≥ 14 = ± 3.2 mm
Diameter of Counterbore
Same as forInside Diameter
Thickness
≤ 18 = + 3.2 mm / – 0 | ≥ 20 = + 4.8 mm / – 0
Length thru Hub
≤ 18 = + 3.2 mm / – 0.8 mm | ≥ 20 = + 4.8 mm / – 1.6 mm

Notes

  1. Dimensions are in millimeters unless otherwise indicated.
  2. The length of the stud bolt does not include the height of the chamfers (points).

Product Range
Size: 1/8″ NB TO 48″NB.
Class: 150#, 300#,400 #,600#,900#, 1500# & 2500 #

Stainless Steel: ASTM A 182, A 240
Grade: F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H,904L, Duplex stainless steel UNS S31803, 2205, Super Duplex stainless steel UNS S32750

Carbon Steel: ASTM A 105, ASTM A 181

Alloy Steel: ASTM A 182, GR F1, F11, F22, F5, F9, F91

Nickel Alloys: Monel 400 & 500, Inconel 600 & 625, Incolloy 800, 825, Hastelloy C22,C276

Copper Alloys: Copper, Brass & Gunmetal

Threaded Flanges Packaging & Marking


All Threaded Flanges are individually covered so that the premium quality of materials is retained and there are no damges in the last stages of production. We also ensure that we deliver our orders promplty and that the quality remains intact.
All Threaded Flanges have imprints on them to highlight the specification of the pipes.

Origin of material (Make)

Melesi Italy Metalfar Italy Ulma Spain Galpetri Italy Kofco Korea

Available stock at Trio Steel

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