Product Category

Stainless Steel Valve

Valve Types Available of Stainless Steel Valves (ABS & DNV Certified):

Ball Valves (Floating / Trunnion Mounted)

Gate Valves (Rising / Non-rising stem)

Globe Valves (Straight / Angle pattern)

Check Valves (Swing / Lift / Dual Plate)

Butterfly Valves (Wafer / Lug / Flanged type)

Needle & Plug Valves (for instrumentation service)

All valves can be supplied with ABS Type Approval, DNV Marine Certificate, and full EN 10204 3.1 / 3.2 Test Reports for global project requirements.

Standards and International Certifications

Womic Steel valves are manufactured strictly in accordance with the most widely recognized global standards, ensuring complete international compliance and acceptance in major projects worldwide. These include:

API Standards

API 600 / API 602 / API 603– Steel gate valves for refinery and high-pressure service

API 6D– Pipeline valves for transportation systems

API 607 / ISO 10497– Fire-safe testing for safety-critical installations

API 608– Metal ball valves for refinery and chemical processing

ASME / ANSI Standards

ASME B16.34– Design, materials, pressure–temperature ratings

ASME B16.5 / B16.47– Flanges and end connections

ASME Section II, VIII, IX– Materials, pressure vessels, and welding procedures

ISO / DIN / EN Standards

ISO 17292– Ball valves

EN 1092 / DIN standards– Flanged connections

ISO 15848– Fugitive emission testing

Certifications

Womic Steel holds multiple authoritative certifications:

PED 2014/68/EU– Compliance for all pressure-containing equipment exported to Europe
ABS, DNV, LR, BV, KR, RINA– Marine and offshore classification approvals
API Monogram capabilityfor main product lines
EN 10204 3.1 / 3.2 material traceability

These certifications ensure thatWomic Steel Valvesare accepted for use in global offshore developments, LNG projects, refinery expansions, marine vessels, and high-integrity pipeline networks.

Materials and Application Suitability

Womic Steel manufactures valves using a comprehensive selection of advanced materials engineered to perform reliably under corrosive, cryogenic, abrasive, and high-temperature conditions. Core material grades include:

Carbon Steel– ASTM A216 WCB for general industrial service
Low-Alloy Steel– WC6, WC9 for high-temperature and steam service
Stainless Steel– CF8, CF8M (304/316) for corrosion-resistant applications
Austenitic Stainless– 321, 347 for high-temperature or stabilized applications
Duplex Stainless Steel– 2205 for seawater and chloride-rich service
Super-Duplex Stainless Steel– 2507 for severe offshore environments
Nickel Alloys– Inconel 625, Alloy 825 for sour-gas, corrosive refining, and high-pressure service

Material selection is based on:

Process fluid composition
Temperature profile
Pressure rating
Corrosion risk
Mechanical strength requirements
Lifecycle and maintenance cycles

Every heat of material undergoes chemical analysis, mechanical testing, hardness verification, and microstructural review as required by API, ASME, and PED specifications.

Manufacturing Capabilities and Production Technology

Womic Steel maintains fully integrated production facilities covering casting, forging, CNC machining, welding, heat treatment, assembly, and final inspection. This comprehensive internal control enables exceptional consistency across all product lines, supporting a wide range of sizes and specifications. Our production capabilities span small to extra-large valves, fittings, and components, covering nominal diameters from DN 15 (½") up to DN 3000 (120"), with wall thicknesses ranging from 3 mm to 200 mm depending on material and application.Casting & Forging

Casting & Forging

Precision sand-casting and investment-casting workshops capable of producing parts from0.5 kg to 10,000 kg.
High-strength forgings for high-pressure and cryogenic valves covering diameters fromDN 15 to DN 1200.
Strict modulus and grain-size control to ensure pressure-boundary stability and mechanical reliability across all sizes.

CNC Machining

Multi-axis CNC centers for high-precision machining of body, bonnet, and ball components up toDN 1500.
Automated surface finishing to ensure smooth, low-torque operation even for large-diameter assemblies.
Dimensional tolerance control exceeding ASME B16.34 requirements, suitable for both small and large valves.

Welding & Heat Treatment

Automated GTAW, SMAW, and SAW welding systems capable of handling components up to6 meters in lengthand3 meters in diameter.

Heat treatment processes include:

Normalizing
Quenching and tempering
Solution annealing
Stabilization treatment (for 321/347 stainless steels)
Cryogenic conditioning for low-temperature applications

NDE and Laboratory Testing

Ultrasonic Testing (UT), Radiographic Testing (RT), Penetrant Testing (PT), and Magnetic Particle Testing (MT) for all pressure-retaining welds.
Positive Material Identification (PMI) for precise material verification.
Charpy impact tests for low-temperature and cryogenic materials.
Helium leak tests for cryogenic valves to ensure zero leakage under extreme conditions.

This integrated production system, coupled with a broad size range capability, ensures consistent quality, repeatable performance, and reduced delivery timelines for projects of any scale, from small process valves to large industrial assemblies.

Technical Features and Performance of Womic Steel Valves

Womic Steel valves are engineered with robust design principles tailored to high-integrity flow-control systems. Key performance characteristics include:

Pressure Ratings:Class 150 to Class 2500
Temperature Range:–196°C to 650°C
End Connections:RF/RTJ flanged, BW, SW, NPT, wafer, lug
Sealing Systems:metal-to-metal, fire-safe, soft-seated, cryogenic stem packing
Low Emission Design:ISO 15848-compliant stem packing
High Torque Resistance:precision-machined ball and stem assemblies
Anti-blowout stems & fire-safe structures

These design elements ensure compatibility with hydrocarbon pipelines, high-temperature steam systems, corrosive chemical circuits, subsea operations, and cryogenic LNG processes.

Quality Control and Inspection System

Every Womic Steel valve undergoes comprehensive quality evaluation:

Hydrostatic shell testing
High-pressure gas testing
Backseat testing (for gate valves)
Seat leak testing (API 598 / API 6D)
Fire-safe testing (API 607)
Fugitive emission testing (ISO 15848)
Full NDE coveragedepending on class and application
Helium leak testing for cryogenic service
Dimensional and visual inspection
Full material traceability (EN 10204 3.1/3.2)

Digital records ensure traceable quality assurance for every valve shipped.

Lead Time, Production Capacity, and Supply-Chain Strength

Womic Steel maintains one of the most efficient manufacturing timelines in the industry due to controlled raw-material sourcing and automated production scheduling.

Typical delivery cycles:

Standard carbon/stainless valves:15–25 days
High-pressure forged valves:20–30 days
Cryogenic and alloy-steel valves:30–45 days

The company’s annual production capacity exceeds80,000 units, supported by:

Strategic raw-material partnerships
Dedicated machining lines
Priority scheduling for pipeline and refinery projects

This enables Womic Steel to support urgent shutdown projects, EPC fast-track construction, and long-term supply agreements.

Industries We Serve

Oil & Gas Industry

Valves are used throughout upstream drilling, midstream pipeline transportation, and downstream refining operations, handling high pressure, corrosive media, and extreme temperatures. They ensure safe flow control in wellheads, separators, compressor stations, and refinery processing lines.

Petrochemical & Chemical Plants
Chemical processing requires valves capable of resisting acids, alkalis, solvents, and high-temperature reactions. They are widely used in polymer units, reactors, distillation systems, and chemical transfer pipelines to maintain stable and continuous production.

Power Generation

Power plants rely on high-pressure and high-temperature valves for steam control, boiler feedwater, cooling circuits, and turbine operation. These valves offer excellent durability, creep resistance, and long service life in demanding thermal and nuclear environments.

Water Treatment & Desalination
Valves manage the flow of seawater, brine, purified water, and wastewater across treatment systems. Their corrosion resistance and large-diameter capability make them essential for intake stations, RO units, filtration systems, and municipal distribution networks.

Mining & Mineral Processing
Mining operations use valves to control abrasive slurries, high-density fluids, and process chemicals. They provide reliable shutoff and regulation in slurry pipelines, flotation systems, grinding circuits, and tailings handling facilities.

LNG & Cryogenic Applications
Cryogenic valves maintain tight sealing and material toughness at extremely low temperatures. They are applied in LNG storage tanks, air separation units, cryogenic pumps, and low-temperature loading and regasification systems.

HVAC & General Industrial Systems
Valves support heating, ventilation, air conditioning, and general industrial automation. They ensure stable flow control in chilled water systems, compressed air lines, industrial gas distribution, and a wide range of factory process equipment.

Packaging, Coating, and Value-Added Services

Womic Steel provides international export-grade packaging solutions:

VCI anti-corrosion protection

Sealed wooden crates

Color-coded coatings

Customized painting systems (epoxy / zinc-rich / polyurethane)

Anti-rust oil protection

End-connection protectors

Value-added engineering services include:

Custom coating systems

Special end connections

Extended stems for cryogenic valves

OEM/ODM development

Technical documentation packages for project approval

Coorperation Partners

Why Global Clients Choose Womic Steel as industrial valve manufacturer

Womic Steel stands out as a trusted global valve supplier because of:

Strict adherence to API, ASME, ISO, and PED international standards

Stable and reliable material supply chain

Comprehensive in-house manufacturing and NDE capability

Short lead time with high production flexibility

High-performance design suitable for severe service and extreme conditions

Full certification from major international authorities

Through strong engineering expertise and a disciplined quality-management system, Womic Steel continues to support global infrastructure, energy transformation, oil and gas development, and clean-energy projects with dependable industrial valve solutions.