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Blind Flange
Blind flanges (Blank flanges) are used to close off the ends of pipes, valves, or other equipment, providing a secure seal.
Product Features:
Product
INFORMATION
Blind flanges (also termed “closure plate flanges”) serve as permanent or temporary termination points in piping systems. Unlike standard flanges, they feature a solid center without a borehole, creating an impenetrable seal when bolted to pipe ends, valves, or pressure vessels. At JS FITTINGS, we manufacture industry-compliant blind flanges in all sizes and pressure classes, offering three sealing face variants: 1. Flow Isolation More blind flange Application, please click here. 1. Gasket Selection Guide: Cangzhou-Based Manufacturing Hub Request Your Blind Flange SolutionBlind Flanges – The Essential Pipeline Closure Solution
What Are Blind Flanges?
Flat Face (FF)
Raised Face (RF)
Ring-Type Joint (RTJ)
Our Blind Flanges Core Features & Benefits
No central opening ensures zero media leakage—critical for system maintenance or pressurization testing.
2. Multi-Functional Adaptability
Convertible to slip-on flanges via drilling
Threadable for threaded flange applications
3. Material Versatility
Available in:
Carbon Steel (ASTM A105)
Stainless Steel (A182 F304/316)
Alloy Steel (F11/F22/F91)
4. Pressure-Containment Ready
Designs comply with ASME B16.5/B16.47 pressure ratings from Class 150 to 2500.Key Applications
Installation Best Practices
RF Flanges: Use ring gaskets (RTJ for high-pressure)
FF Flanges: Require full-face gaskets to distribute bolt loads
2. Critical Placement Locations:
Upstream/downstream of block valves
Equipment nozzle termination
Figure-8 Blinds for frequent access pointsWhy Choose JS FITTINGS Blind Flanges?
30,000㎡ production facility
5,000+ ton annual capacity
Same-day shipping for standard sizes
ISO 9001, CE, API 6A certified
100% PMI tested material chemistry
From 3D modeling validation to bolt torque specifications
Call: +86 180 0311 9682
Email: admin@jsfittings.com
SOME OF OUR
Testimonials
“This product is exactly in line with our requirement technically and competitive commercially.”
Anton
Russia
“The flanges are exactly in line with our requirement technically and competitive commercially.”
Boran
Turkey
“We tested the elbows and flanges, their performance is very nice. We will make the new purchase plan for the warehouse.”
Farir
Oman
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