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Petroleum Zinc Plated Forged Steel Blind Flange Class 150

Basic Information
Place of Origin: China
Brand Name: FLRS or OEM
Certification: ISO9001
Model Number: FLRS-F050
Minimum Order Quantity: 1 piece
Packaging Details: carton/ plywood cases/plywood pallets
Delivery Time: 8-20days
Payment Terms: T/T, L/C, Western union, paypal
Supply Ability: 100tons/month
Detail Information
Standard: Drawing Material: Carbon Steel/stainless Steel/alloy Steel
Size: Customized, 1/2" To 72" Finish: Zinc Plated, Black Coating
Pressure: CLASS150/300/600/900/1500/2500 Application: Petroleum, Chemical, Metallurgy, Power, Shipbuilding, Machinery And Other Industries, Such As Pipes, Valves, Pressure Vessels, Condensers, Heat Exchangers, Towers, Manholes, Hand Holes And Other Flange Joints Sealing.
High Light:

Forged Steel Blind Flange


Zinc Plated Steel Blind Flange


Class 150 Steel Blind Flange

Product Description

Customized Nonstandard Forged Steel Blind Flange as per the drawing

The products materials have passed EN10204-3.1 certification, covering various grades of: low carbon steel, alloy steel, stainless steel, ductile iron, aluminum alloy, copper alloy, titanium alloy.
The main processes are: free forging, die forging, rolling ring, high pressure casting, centrifugal casting, normalizing, quenching and tempering, solution treatment, aging treatment, carbonitriding, turning, milling, drilling, grinding, hobbing, high frequency quenching, galvanizing, chrome plating, anodizing, powder spraying and other processes.
Rings and plates dimensions: Max 3000mm, shafts length: Max 12000mm, single piece weight: Max 16 Tons, at the same time we are good at terminal machining of complex products, dimension accuracy: Min 0.01mm, roughness: Min Ra0.6.
Products can be strictly examined by chemical composition, tensile strength, yield strength, reduction of area, impact at low temperature, intergranular corrosion, hardness, metallographic, NDT, size, static balance etc performance parameter.
Products are widely used in: aerospace, ships, trains, automobiles, engineering vehicles, chemical industry and petroleum refining, wellheads, x-mas tree equipment, mining machinery, food machinery, hydraulic and wind power generation, new energy equipment etc field.


1. Standard:(forged flange) ANSI,JIS,DIN,BS4504,SABS1123,EN1092-1, UNI,AS2129,GOST-12820
2. Type: Plate,Slip-on,Welding Neck.Thread,Socket weld,Blind
3. Size: 1/2-78 inch (DN15-DN2000)
4. Material: Carbon steel: A105,SS400,SF440 RST37.2,S235JRG2,P250GH,C22.8
  Stainless Steel: F304 F304L F316 F316L 316Ti
5. Surface Treatment Anti-rust Oil, Transparent/Yellow/Black Anti-rust Paint,Zinc,
  Hot dipped Galvanized.
6. Inspection: factory in-house self check or Third Party inspection
7. Packing: No Fumigate or Fumigate Plywood/Wood Pallet or Case
8. Payment Term: L/C at sight or 30days OR T/T
9.Delivery time: Within 30days for 2000tons
10.Supply Capacity: 20000tons per year

Product Features:

1. Flange Types: Slip-On Flange, Welding Neck Flange, Blind Flange, Socket Welding Flange,
Threaded Flange, Lap Joint Flange and Plate etc;
2. High quality flanges;
3. Compective price;
4. Fast delivery;
5. High
resistant to pressure;
6. Well sealing;
7. Flat welding and butt welding;



(1)Reasonable price with excellent quality

(2)Abundant stock and prompt delivery

(3)Rich supply and export experience, sincere service

(4) Reliable forwarder, next to the Tianjin port


2.payment term


30% down payment before producing,70% against the copy of B/L.









1. Steel structures,multi-floor,high-rise steel structure,

2. Buildings,industrial buildings,high-way,railway,

3. Steel steam,tower,power station,and other structure workshop frames







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Petroleum Zinc Plated Forged Steel Blind Flange Class 150 1


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Contact Details
Fiona Hou

Phone Number : 13384956386

WhatsApp : +8613384956386