PLSteel Pipe FlangesPlate Flange (PL)
Flat-type flange with simple structure, light weight and low cost — ideal for low-pressure pipeline systems.
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Focus on Core Products of Flanges and Pipe Fittings
Precision Forged Flanges for Global Industry
Manufacturer and exporter of steel pipe flanges — Weld Neck (WN), Slip On (SO), Plate (PL), Blind (BL), Socket Weld (SW), Threaded, Lap Joint, RTJ. Carbon steel, stainless steel, alloy and duplex grades. ANSI/ASME B16.5, EN 1092-1, JIS B2220, DIN 2501. Class 150–2500, PN6–PN420.
WN · SO · PL · BL
Flange Types
150 – 2500#
Pressure Class
ANSI · EN · DIN · JIS
Standards
Quality
ISO 9001 Ready
Established
2026
Export
Make in India
Who We Are
Engineering Trust in Every Flange
Protech Valve Fittings was established in 2026 with a singular focus: manufacturing high-quality stainless steel and carbon steel ASA forged flanges that meet the most demanding global standards.
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.
Why Choose Us
Built for Performance, Trusted Worldwide
Engineering excellence backed by extensive inventory, multi-standard compliance, and rapid delivery.
Complete Size Range
Flanges from ½" to 56" — ASA 150# to 1500# and PN6 to PN250.
Multi-Standard Compliance
ANSI, DIN, BS EN, JIS, and Table D/E/F/H specifications under one roof.
Premium Materials
A105, A182 F304/316, alloy steels, duplex, and Inconel grades available.
Short Lead Times
Extensive un-machined forging stock for rapid turnaround on urgent orders.
Make in India
Proudly manufactured in Ahmedabad with export-quality standards.
Technical Support
Expert engineering team to assist with selection, sizing, and custom drawings.
Our Products
Complete Flange Solutions
From slip-on to weld neck — precision forged flanges for every application and pressure class.
PLSteel Pipe Flanges
SOSteel Pipe FlangesSlip-On Flange (SO)
Sleeve-type flange slipped over the pipe and fixed by fillet welding — economical for medium and low pressure systems.
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LJSteel Pipe FlangesLap Joint Flange (LJ)
Loose flange with stub end — convenient disassembly for large-diameter, low and medium pressure systems.
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WNSteel Pipe FlangesWelding Neck Flange (WN)
High-pressure flange with tapered neck and butt-weld connection — the standard for critical HPHT service.
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SWSteel Pipe FlangesSocket Weld Flange (SW)
Socket bore flange with fillet weld — compact and reliable for small-bore, high-pressure systems.
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THSteel Pipe FlangesThreaded Flange (TH)
NPT/BSP threaded bore flange — no welding required, ideal for low-pressure, frequently serviced lines.
View DetailsIndustries
Industries We Serve
Delivering precision flanges across critical sectors worldwide.
Oil & Gas
Power Generation
Chemical Processing
Water Treatment
Pharmaceutical
Shipbuilding
Construction
Food & Beverage
Our Process
From Forging to Dispatch
A rigorous six-step manufacturing process ensuring quality at every stage.
01
Material Selection
Premium carbon steel, stainless steel, and alloy grades sourced with full mill certification and traceability.
02
Forging & Forming
Precision forging using state-of-the-art equipment to create flange blanks from ½" to 56" nominal sizes.
03
CNC Machining
Computer-controlled machining ensures exact dimensional tolerances per ANSI B16.5 and customer drawings.
04
Quality Inspection
Dimensional checks, material verification, and pressure testing per BS 6755 and customer specifications.
05
Surface Treatment
Anti-corrosion coatings, passivation for stainless grades, and finishing per project requirements.
06
Packaging & Dispatch
Export-grade packaging with full documentation — ready for domestic and international shipment.
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Max Flange Size
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Max Pressure Class
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Flange Types
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Quality Tested
Testimonials
Trusted by Industry Leaders
What our clients say about our products and service.
“Protech delivered 600# weld neck flanges ahead of schedule with full MTC documentation. Quality and responsiveness exceeded our expectations.”
Certifications
Quality You Can Trust
Committed to international standards and export excellence.
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
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Get a competitive quote with full technical specifications and material certificates.