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TOBO International Trading(Shanghia)Co.,Ltd       Tianda Oil Pipe Co., Ltd

TOBO Pipeline Equipment Co.,Ltd        TPCO & TISCO Pipe(Tianjin)Co.,Ltd.                        


January 22, 2024

A182 ANSI B16.48 UNS 32750 / F53 Spectacle Blind Flange 1 Inch CL150 FF

A182 ANSI B16.48 UNS 32750 / F53 Spectacle Blind Flange 1 Inch CL150 FF



Detailed Product Description

Type: Spectacle Blind Flange Size: 1/2''~48''
Class Rating: 150#~2500# Facing: RF(raised Face);FF(flat Face);RTJ(ring Type Joint);RJ(ring Joint Face) TG(tongue And Groove Face);MFM(male And Female Face)
Standard: ASME B16.5, ANSI, Etc Material: 2507 (UNS 32750/F53), Etc
Technics: Forged Delivery Time: 10-100 Days Depending On Quantity
Payment Terms: L/C,T/T Shipment: FOB Tianjin/Shanghai, CFR, CIF Etc
Application: Petroleum/Power/Chemical/Construction/Gas/Metallurgy/Shipbuilding Etc Remarks: Other Materials And Drawings Are Available.

A182 ANSI B16.48 UNS 32750 / F53 Spectacle Blind Flange 1 Inch CL150 FF


Quick Details

1 .Size: 1" (DN25)

2.Material: 2507 (UNS 32750/F53), etc

3.Place of Origin: Shanghai, China (Mainland)

4.Brand Name: TOBO

5.Standard or Nonstandard: Standard

6.Technics: Forged

7.Standard: ASME B16.5, ANSI, etc

8.Type: F53 Spectacle Blind Flange

Packaging & Delivery


Packaging Details: Seaworthy plywood case or as customer requests
Delivery Detail: 2 - 10 days after receiving the deposit




A182 ANSI B16.48 F53 Spectacle Blind Flange
1. Material: 2507 (UNS 32750/F53), etc

2. Size: 1" (DN25)

3. Standard: ANSI B16.48, etc

4. Pressure: 150#, 300#, 600#, etc

About UNS S32750 F53 Super Duplex Stainless Steel 2507

2507 is the most common Super Duplex Stainless Steel which contains 24% chromium

and a minimum of 3% molybdenum. Please refer to the chemical composition and mechanic

properties tables below.

Chemical Composition Of F53 UNS 32750 GR2507 Super Duplex Stainless Steel

GRADE C≤ Mn≤ Si≤ S≤ P≤ Cr≤ Ni Mo Cu≤ N




0.03 1.20 0.8 0.020 0.035 24.0/26.0 6.0/8.0 3.0/5.0 0.50 0.24/0.32



Type F53 Spectacle Blind Flange
Size 1" (DN25)
Standards SO, WN, SW, TH, LJ, BL, PL, etc

Carbon Steel: ASTM: SA105N/A105, ASTM SA350 LF2,etc

Stainless Steel: ASTM A182 F304/304L/316/316L, etc

Alloy Steel: ASTM A182 F1/F5/F9/F11/F22/F91, Etc.

Duplex stainless steel: ASTM A182 F51, etc

Super Duplex Stainless Steel: S32750/2507/F53/F55, UNS32760, etc

Nicke alloys: Nickel 200, Monel 400, Inconel 600/625, Incoloy 825/800,

Hastelloy C276, Hastelloy C276, Hastelloy B1/B2/B3, Alloy 20, etc


Cu-Ni: 90/10,70/30, etc

Applications Petroleum,chemical,power,gas,metallurgy, shipbuilding, construction, etc



About: A182 ANSI B16.48 F53 Spectacle Blind Flange

A182 F53 ANSI B16.48 Spectacle Blind Flange allows you to be absolutely sure that an item of equipment is properly and securely blanked off with no possibility of any flow or leakage through a valve during maintenance.

The flow can be diverted to other items of equipment but not just bypassed around the blank as this would compromise the safety function of the Spectacle Blind Flange.


Applications Of A182 ANSI B16.48 F53 Spectacle Blind Flange:

1. petrochemical industry

2. Pharmaceutical industry

3. Food industry

4. Aviation and aerospace industry

5. Architectural decoration industry

6. Oil and gas industry

Other Features:

1) Chemical and Physical characteristic: durable, corrosion resistant and high-temperature resistant

2) We also produce flange with special specifications according to customers’ requirements;



1) Packing Method:

Normal packing: Plastic film or bubble paper wrapped, endings protect by caps,

then into wooden case or load on fumigation plywood pallet.

Custom product: As per your request.


2) Shipping:

By Sea, By Air, By Train or River-and-Sea Coordinated Transport, according to your request.

Where can we find the high quality A182 ANSI B16.48 F53 Spectacle Blind Flange 1 Inch CL150 FF.


Contact Details