What size range of fasteners does Viha Steel & Forging manufacture?

We manufacture bolts, nuts, studs, threaded rods and screws from M2 up to M100 in metric sizes, with equivalent imperial sizes and custom lengths produced to drawing.

Which certifications and test documents are supplied with each order?

We are a PED approved manufacturer and FMAI member. Every forging passes NDT, chemical and mechanical testing and is shipped with a Mill Test Certificate traceable to the heat number.

Do you supply hot dip galvanized fasteners for export?

Yes. Viha Steel & Forging is one of the largest exporters of hot dip galvanized fasteners in India, supplying structural bolts, nuts, washers and threaded rods for infrastructure and power projects.

Which markets and projects have used your products?

Our steel flange forgings and fasteners are installed in LNG projects and oil and gas pipelines across Far East Asia, West Africa and the Gulf countries.

Can you manufacture special grades and non-standard dimensions?

Yes. Alongside carbon, alloy and stainless steel, we produce fasteners in phosphor bronze, silicon bronze, aluminum bronze, copper and titanium, in custom sizes and thread forms.

Forged A105N Carbon Steel Blind Flange ASME B16.47 Series A Ring Type Joint Large Diameter Blind Flange For Oil Gas Pipeline

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Forged A105N Carbon Steel Blind Flange ASME B16.47 Series A Ring Type Joint Large Diameter Blind Flange For Oil Gas Pipeline

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Product Description

Product Highlights

Forged Construction Durable and robust design for heavy-duty applications.

Polished Surface Enhances aesthetics and corrosion resistance.

4 Bolt Holes Secure mounting and installation.

Large Diameter Design Ideal for high-pressure oil and gas pipelines.

Stainless Steel Material Corrosion-resistant and long-lasting performance.

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About the Supplier

Cangzhou Ronghui Pipeline Accessories Co., Ltd. is a leading manufacturer of pipe fittings, located in Yanshan, Hebei Province, near Tianjin Port. The company operates a 50,000 square meter facility with total assets of 60 million yuan, specializing in steel products for oil, gas, and chemical industries.

Company Overview

Frequently Asked Questions

What standards does this large diameter blind flange comply with?

The flange is manufactured in strict accordance with the ASME B16.47 Series A standard, designed specifically for large-diameter piping requirements.

What sealing face type is used on this blind flange?

It features a Ring Type Joint (RTJ) sealing face, ensuring a dependable, leak-proof seal in severe high-pressure and high-temperature environments.

What industries are most suitable for this product?

This blind flange is primarily engineered for heavy-duty applications across the oil, gas, petrochemical, and chemical transmission pipeline industries.

What manufacturing process is utilized for high strength?

The flange is manufactured through a precision forging process, enhancing grain structure, internal strength, and structural integrity for critical operations.

Where is the supplier located, and how does it benefit delivery?

The facility is located in Yanshan, Hebei Province, close to Tianjin Port, facilitating efficient sea transportation and streamlined global export logistics.

Forged A105N Carbon Steel Blind Flange ASME B16.47 Series A Ring Type Joint Large Diameter Blind Flange For Oil Gas Pipeline

Product Description

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