PN40 DN500 Figure 8 Raised Face Spectacle Blind Flange - 20 Inch Diameter Class 400 Pressure Rating
Price:
Negotiable
MOQ:
1 piece
Delivery Time:
5-20DAYS
Brand:
FLRS or OEM
Product Description
PN40 DN500 Figure 8 Raised Face Spectacle Blind Flange
The PN40 DN500 Figure 8 Spectacle Blind Flange is engineered for reliable pipeline isolation and flow control in industrial applications. This specialized flange features a unique figure-8 design with raised face for secure sealing.
Product Applications
Spectacle blind flanges serve as essential components for closing pipeline ends and providing positive isolation. The figure-8 design allows for quick switching between open and closed positions, making them ideal for systems requiring periodic maintenance or flow direction changes.
Key Features
- Provides positive closure for pipes, valves, and equipment nozzles
- Available with NPT fittings for pressure test connections
- Figure-8 design enables easy access to pipeline sections
- Raised face ensures superior sealing performance
- Manufactured to withstand high-pressure applications
- Compatible with standard piping systems across multiple industries
Technical Specifications
| Parameter | Specification |
|---|---|
| Pressure Rating | PN40 (Class 400) |
| Nominal Diameter | DN500 (20") |
| Face Type | Raised Face |
| Design | Figure 8 Spectacle Blind |
| Size Range | 1/8" NB to 48" NB |
| Pressure Classes | 150#, 300#, 400#, 600#, 900#, 1500#, 2500# |
Material Options
Available in various materials to suit specific application requirements and environmental conditions.
| Material Type | Standards & Grades |
|---|---|
| Stainless Steel | ASTM A182, A240 (F304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H, 904L, Duplex UNS S31803, 2205, Super Duplex UNS S32750) |
| Carbon Steel | ASTM A105, ASTM A181 |
| Alloy Steel | ASTM A182 (GR F1, F11, F22, F5, F9, F91) |
| Nickel Alloys | Monel 400 & 500, Inconel 600 & 625, Incolloy 800, 825, Hastelloy C22, C276 |
| Copper Alloys | Copper, Brass, Gunmetal |
Manufacturing Standards
Compliant with international standards including ANSI B16.5, ANSI B16.47, MSS SP44, DIN 2527, DIN 2566, BS4504, and BS1560.
Product Images
Detailed Flange View
Figure-8 Configuration
Assembly Orientation
Pipeline Installation
Application Examples
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Shaanxi Flourish Industrial Co., Ltd.
Location
No.3939 Eurasian Ave., Chanba Ecological District, Xi'an, China
Contact Person
Fiona Hou