Spectacle Blind Class 900 DN500
What is a Spectacle Blind Used For?
High quality forged flanges supplier Zizi offers DN500 Class 900 spectacle blind RF ASTM A182 F91 for Australia, those flanges are manufactured according to ASME B16.5.
Spectacle blind is very useful where the pipe need regularly separated or maintained. It consist a solid disc and a ring, they are attached by a small section of steel. You can place the solid disc or the ring between two pipes to block off the pipe or keep the flow smooth.
Zizi produces steel pipe fittings and flanges in various dimensions and materials for customers, and we will cater you requirements no matter of quality or of service.
Dimensions of Spectacle Blind Class 900
spectacle blind dimensions
Size: DN500/ NPS20 900LB Spectacle Blind
Outside Dia. A: 27.38
Bore Dia. B: 19.56
Blind Distance C: 29.5
Plate Thickness D: 2.88
Handle Width G:5.25
Lift Hole Dia. H: 2.1
Spectacle Blind Class 900 Weight
Spectacle Blind Class 900 Weight Chart
Package of Spectacle Blind Raised Face
For the large diameter 900LB spectacle blind, we will use
- Anti rust oil
- Plastic Film
- Wooden Cases
Package of Raised Face Spectacle Falnge
ASME B16.5 Forged Flanges Dimensions
| Standard | ASME B16.5, API 5A |
|---|---|
| Diameter Range | 1/2 to 24 inch / DN15-DN600 |
| Pressure Rate | Class 150, 300, 600, 900 Spectacle Blind, 1500, 2500 |
| Stainless Steel | ASTM A182 F316, F316L, Gr304/304L, SS317, SS321, SS310 |
| Duplex Steel | ASTM A182 F51, F53, F55 |
| Carbon Steel | ASTM A105N, A350 LF2/LF3. A694 F60, F65, F70, F52 |
| Alloy Steel 900# Spectacle Blind | ASTM A182 F1, F5, F9, F11, F12, F22 ,F91 |
Flange Types
- Weld Neck Flange
- Slip On Flange
- Threaded Flange
- Socket Weld Flange
- Blind Flange
- Lap Joint Flange
- Spectacle Blind
Spectacle Blind Application
- Pharmaceutical Equipment
- Chemical Equipment
- Sea Water Equipment
- Heat Exchangers
- Off-Shore Oil Drilling Companies
- Power Generation
- Gas Processing
Why Choose Us
- Reasonable Price
- Best Quality
- Fast Delivery
- On Step Service
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 |
Order Enquiry Form
A182 F91 Spectacle Flange MTC
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