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

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

Class 900 Spectacle Blind Weights

ASTM A182 F91 Properties

Chemical Composition, %

Mechanical Propperties

Zizi Engineering Co., Ltd is a leading industrial pipe fittings and flanges supplier for construction, petrochemical and oilfield customers.
We engaged in the manufacture and export of industrial pipe fittings for 9 years, our products have been sold to 37 countries around the world. We have a modern and professional manufacturing plant, established two warehouses near the harbor one after another. They are the base for our ability to offer high quality products and fast delivery.

Our products mainly are butt weld fittings, forged pipe fitings and forged steel flanges in stainless steel, carbon steel and alloy steel. They are produced according to ASME/ANSI American standards, DIN Germany Standards, JIS Japanese standards or as customer required. Those products are widely used in petrochemical industry, shipbuilding, oil field in ocean, electric power or city building.

Since we are founded, we are concentrated to be a professional global manufacture company with best products and service. Eventually we get some achievements after years of harding working and presistence. 

We will always insists on the managing objective of " quality first, service supreme, reasonable price". On the basis of continuously perfection the current products, our company persistently innovates upon the productive technology, provides vast customers with all kinds of superior new goods. We are willing to sincerely cooperate with friends from all walks of life to create a better future.