Product Details
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
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
- The workers marked " SB 2" 150# ASTM A105N ASME B16.48 ZZ798" on
flanges body.
- Surfaced the ASTM A105N flanges with anti-rust oil or black primer
againest the rust during the shipment.
- Use plastic foam to coated of all forged steel flanges after
anti-rust oil or painting.
- Packed 2 inch spectacle blind on wooden case and bundle package with packing belts.
- 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
Company Profile
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.