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About Protech Valve Fittings
Engineering precision forged flanges with uncompromising quality since 2026.
Our Story
Engineering Trust in Every Flange
We are a trusted manufacturer capable of fulfilling large stock orders with short lead times while remaining agile enough to deliver small custom batches with the same precision and care.
Our fully equipped production facility combines state-of-the-art manufacturing systems with robust quality control procedures — ensuring full traceability and consistent quality assurance on every order.
We maintain extensive stocks of un-machined forgings, covering flanges from 150 lbs to 2500 lbs class including slip-ons, weld necks, blinds, and socket welds — ready for rapid machining to your exact specifications.
Through Shreeyan Connect, we serve global requirements with precision-engineered flanges customized to your specifications and technical drawings.
Our Vision
To be India's most trusted flange manufacturer — recognized globally for engineering excellence, rapid delivery, and uncompromising quality.
Our Mission
To design, manufacture, and supply precision forged flanges that enable safe, reliable fluid systems across industries — while championing Make in India manufacturing excellence.
Core Values
What Drives Us
The principles behind every flange we manufacture.
Precision Engineering
Every flange is manufactured to exacting ANSI, DIN, and BS standards with full material traceability.
Quality Assurance
Robust QC procedures and state-of-the-art testing ensure consistent performance under pressure.
Rapid Delivery
Extensive forging inventory enables short lead times for both stock and custom orders.
Global Standards
Products conform to ANSI B16.5, BS EN 1092-1, DIN, and BS 4504 specifications.
Custom Solutions
From standard catalog items to bespoke drawings — we machine to your exact requirements.
Export Excellence
EEPC India member with export-ready documentation and worldwide shipping capabilities.
Manufacturing
Our Production Process
Six rigorous steps from raw material to export-ready flanges.
Material Selection
Premium carbon steel, stainless steel, and alloy grades sourced with full mill certification and traceability.
1
Material Selection
Premium carbon steel, stainless steel, and alloy grades sourced with full mill certification and traceability.
2
Forging & Forming
Precision forging using state-of-the-art equipment to create flange blanks from ½" to 56" nominal sizes.
Forging & Forming
Precision forging using state-of-the-art equipment to create flange blanks from ½" to 56" nominal sizes.
CNC Machining
Computer-controlled machining ensures exact dimensional tolerances per ANSI B16.5 and customer drawings.
3
CNC Machining
Computer-controlled machining ensures exact dimensional tolerances per ANSI B16.5 and customer drawings.
4
Quality Inspection
Dimensional checks, material verification, and pressure testing per BS 6755 and customer specifications.
Quality Inspection
Dimensional checks, material verification, and pressure testing per BS 6755 and customer specifications.
Surface Treatment
Anti-corrosion coatings, passivation for stainless grades, and finishing per project requirements.
5
Surface Treatment
Anti-corrosion coatings, passivation for stainless grades, and finishing per project requirements.
6
Packaging & Dispatch
Export-grade packaging with full documentation — ready for domestic and international shipment.
Packaging & Dispatch
Export-grade packaging with full documentation — ready for domestic and international shipment.
Standards & Materials
Technical Capabilities
Multi-standard compliance with premium material grades.
Standards
- • ANSI/ASME B16.5 — Class 150, 300, 600, 900, 1500, 2500
- • ASME B16.36 (Orifice Flanges) / ASME B16.48 (Line Blanks)
- • EN 1092-1 — PN 6/10/16/25/40/100/160 and above
- • DIN 2501, 2502, 2527, 2576, 2633–2635, 2642
- • JIS B2220 / GB/T 9115–9119 / ISO 7005
- • BS 4504, Table D, E, F, H, I.S. & J.I.S.
Materials
- • Carbon Steel: A105, A234 WPB, 20#, Q235B, ASTM A36
- • Stainless Steel: 304, 304L, 316, 316L, 321, A182 F304/F316
- • Alloy Steel: F11, F22, 16Mn, 15CrMo, LF2
- • Duplex & Super Duplex: F51, F53, 2205
- • Special: Inconel, Hastelloy, Titanium, Monel
Certifications
Trust & Compliance
Make in India
Proudly manufactured in India
EEPC India
Engineering Export Promotion Council member
ISO Ready
Quality management aligned to ISO 9001:2015
ANSI B16.5
American National Standards compliant
Ready to Source Premium Flanges?
Get a competitive quote with full technical specifications and material certificates.