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Class 900 8" Forged Steel Flanges Spectacle Blind Raised Face ASTM A182 F91

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China ZIZI ENGINEERING CO.,LTD certification
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—— Nadim Akef-Purchase Manager

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Class 900 8" Forged Steel Flanges Spectacle Blind Raised Face ASTM A182 F91

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Large Image :  Class 900 8" Forged Steel Flanges Spectacle Blind Raised Face ASTM A182 F91

Product Details:

Place of Origin: CHINA
Brand Name: ZZ
Certification: ISO, CE
Model Number: Alloy Steel

Payment & Shipping Terms:

Minimum Order Quantity: 1 Piece
Price: Negotiable
Packaging Details: Cartons and Wooden Cases, LCL, 20ft Container
Delivery Time: 15-20 Days
Payment Terms: T/T, Western Union, MoneyGram, D/P, D/A, L/C
Supply Ability: 70000 PCS Per Month
Detailed Product Description
Size: 8" Standard: ASME B16.5
Material: ASTM A182 F91 Pressure: Class 900
Surface: Anti Rust Oil Color: Customer Required,Natural,Primary
High Light:

raised face weld neck flange


stainless steel blind flange

Class 900 8" Forged Steel Flanges Spectacle Blind Raised Face ASTM A182 F91


Spectacle Blind Raised Face 

ZIZI ENGINEERING is ISO certified forged flanges manufacturer, we supply A182 F91 Spectacle blind flanges in customized dimensions.

A Spectacle Blind is a safety device and often used in pipelines where the flow needs to be changed. It is different than a valve in that the blind is a permanent or long term isolation device. It is very useful where the pipe need regularly separated or maintained.The Raised Face flange is the most common type used in process plant applications, this face type allows the use of a wide combination of gasket designs, including flat ring sheet types and metallic composites such as spiral wound and double jacketed types.

Spectacle Blind Dimensions

Size NPS 1/2" - 24", DN15 - DN600
Pressure Class 150, 300, 600, 900, 1500, 2500. PN2 / 5 / 11 / 15 /  26 /  42. JIS 5K, 10K, 16K, 20K, 30K
Standard ASME B16.5, ASME B16.48
Flange Types SO, WN, BL, SW, PL, THD, LAPJ Flange, Spectacle Blind, Spade and Spacer
Seal Types Raised Face, Flat Face, Ring Type Joint, Lap Joint Face, Male-Female, Tongue & Groove.
Carbon Steel ASTM A105N, A350 LF2/LF3, A694 F52, F60, F65, F70, A516 Gr 70

Class 900 Spectacle Blind Weights

Class 900 8" Forged Steel Flanges Spectacle Blind Raised Face ASTM A182 F91 0

ASTM A182 F91 Properties

Chemical Composition, %

C Mn P S Si Ni Cr Mo
0.08-0.12 0.3-0.6 0.02 0.01 0.2-0.5 0.4 8-9.5 0.85-1.05

Mechanical Propperties

Tensile Strength Yield Strength Elongation
585 415 20

ASME B16.5 Forged Flanges

Marking and Package

  1. The workers marked " SB 2" 150# ASTM A105N ASME B16.48 ZZ798" on flanges body.
  2. Surfaced the ASTM A105N flanges with anti-rust oil or black primer againest the rust during the shipment.
  3. Use plastic foam to coated of all forged steel flanges after anti-rust oil or painting.
  4. Packed 2 inch spectacle blind on wooden case and bundle package with packing belts.
  5. Stick water proof paper of product details on the package for easy indentification.

Spectacle Blind Application

  • Pharmaceutical Equipment
  • Chemical Equipment
  • Sea Water Equipment
  • Heat Exchangers
  • Off-Shore Oil Drilling Companies
  • Power Generation
  • Gas Processing

Why Choose Our Forged Flange

  • Reasonable Price
  • Best Quality
  • Fast Delivery
  • On Step Service

Contact Details

Contact Person: sales

Tel: +8618625862121

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