# Wellgrow Industries Corp. > Wellgrow Industries Corp. (founded 1987, member of Hsiung Shun Group) is a professional Taiwan-based manufacturer and OEM supplier of high-quality stainless steel and carbon steel pipe fittings, valves, flanges, tubes, bars, and sheet materials. The company serves hygienic processing, semiconductor, petrochemical, oil & gas, water treatment, food & beverage, pharmaceutical, and construction industries worldwide. ISO 9001 certified. Committed to ESG and sustainability practices. - Address: No. 66, Lane 126, Sec. 2, Shi-Twen Rd., Shi-Twen Dist., Taichung 407, Taiwan - Tel: +886-4-2311-2576 - Fax: +886-4-2311-2578 - Email: wellgrow@pipefittingweb.com ## Company - [Home](https://www.pipefittingweb.com/index.html): Overview of products, company highlights, and key selling points (100% quality guaranteed, competitive pricing, fast delivery, OEM manufacturing). - [About Us](https://www.pipefittingweb.com/about.html): Company history since 1987, 35+ years of manufacturing experience, ISO 9001 quality assurance, OEM capabilities, ESG commitment, production and inspection equipment overview. - [News](https://www.pipefittingweb.com/news.html): Technical reference PDFs including Materials, Specifications, Pressure Conversion tables, Pipe Wall Thickness charts, and Resource Links. - [E-Catalog](https://www.pipefittingweb.com/e-catalog.html): Downloadable product catalog. - [Contact Us](https://www.pipefittingweb.com/contact-us.html): Contact form, full address, phone, fax, and email for inquiries and quotation requests. ## Products - [All Products](https://www.pipefittingweb.com/products.html): Full product index across all 12 categories. ### Sanitary Fittings & Valves - [Sanitary Fittings & Valves](https://www.pipefittingweb.com/sanitary-fittings-valves.html): Hygienic stainless steel fittings and valves (304, 316, 316L) for food, dairy, beverage, brewery, pharmaceutical, biotech, cosmetics, and water purification. Standards: 3A, SMS, DIN, IDF, BS, RJT, ASME BPE. CIP/SIP compatible. Surface finishes: Ra ≤ 0.8 μm (food-grade) to Ra ≤ 0.38 μm (high-purity/electropolished). Includes Tri-Clamps, Clamp Ferrules, Sanitary Unions, Weld & Tri-Clamp Fittings, Sanitary Valves, BPE Fittings & Valves, and Wine Unions & Valves. - [Tri-Clamps](https://www.pipefittingweb.com/tri-clamps.html): Single pin, double pin, 3-PC segmental, high pressure bolted, I-line, and safety clamps. - [Sanitary Tube Hangers](https://www.pipefittingweb.com/sanitary-tube-hangers.html): Round and hex tube hangers for hygienic pipe support. - [Clamp Ferrules](https://www.pipefittingweb.com/clamp-ferrules.html): Welding ferrules, expanding ferrules, I-line ferrules, hose adapters, end caps, and gaskets. - [Sanitary Unions](https://www.pipefittingweb.com/sanitary-unions.html): 3A, SMS, DIN, Dansk, JIS, CIP, RJT, IDF unions and gaskets. - [Weld & Tri-Clamp Fittings](https://www.pipefittingweb.com/weld-tri-clamp-fittings.html): 90° & 45° elbows, tees, reducers (concentric & eccentric), crosses, and wye fittings. - [Sanitary Valves](https://www.pipefittingweb.com/sanitary-valves.html): Ball valves, butterfly valves, check valves, diaphragm valves, sight glasses, and more. - [BPE Fittings & Valves](https://www.pipefittingweb.com/bpe-fittings-valves.html): ASME BPE compliant weld & tri-clamp fittings, ferrules, end caps, diaphragm valves, and sample valves for pharmaceutical and biotech. - [Wine Unions & Valves](https://www.pipefittingweb.com/wine-unions-valves.html): Wine butterfly valves, ball valves, and Macon unions for the wine industry. ### Vacuum Fittings - [Vacuum Fittings](https://www.pipefittingweb.com/vacuum-fittings.html): Complete range of vacuum fittings, components, and valves in KF, ISO, and CF standards. Materials: 304 SS, 316L SS, and aluminum. For semiconductor manufacturing, UHV systems, vacuum chambers, vacuum pumps, optoelectronics, and laboratory research. Surface finishes: machining, pickling, and polishing. - [KF Flanges & Components](https://www.pipefittingweb.com/kf-flanges-components.html): For low to medium vacuum applications; quick installation and maintenance. - [ISO Flanges & Components](https://www.pipefittingweb.com/iso-flanges-components.html): For larger vacuum systems with greater flow capacity. - [CF Flanges & Components](https://www.pipefittingweb.com/cf-flanges-components.html): Metal-sealed flanges for high vacuum and ultra-high vacuum (UHV) environments. - [Vacuum Valves](https://www.pipefittingweb.com/vacuum-valves.html): Valves for vacuum system flow and isolation control. - [Vacuum Weld Fittings](https://www.pipefittingweb.com/vacuum-weld-fittings.html): Weld-end fittings for permanent vacuum system connections. ### Instrument Fittings - [Instrument Fittings](https://www.pipefittingweb.com/instrument-fittings.html): Comprehensive range of instrument tube fittings, pipe fittings, valves, manifolds, tubing, and accessories for instrumentation and fluid control. Suitable for process control, gas distribution, pressure measurement, chemical, and high-pressure systems. - [Tube Fittings](https://www.pipefittingweb.com/tube-fittings.html): Compression tube fittings for leak-tight instrumentation connections. - [Pipe Fittings](https://www.pipefittingweb.com/pipe-fittings.html): Instrument-grade threaded and other pipe fittings. - [2 Piece Instrument Ball Valves](https://www.pipefittingweb.com/2-piece-instrument-ball-valves.html): Two-piece ball valves for instrumentation systems. - [3 Piece Instrument Ball Valves](https://www.pipefittingweb.com/3piece_ball_valves.html): Three-piece ball valves for easy maintenance. - [Trunnion Ball Valves](https://www.pipefittingweb.com/trunnion-ball-balves.html): Trunnion-mounted ball valves for high-pressure and large-diameter applications. - [Needle Valves](https://www.pipefittingweb.com/instrument-needle-valves.html): Precision flow control needle valves. - [Check Valves](https://www.pipefittingweb.com/instrument-check-valves.html): Backflow prevention check valves for instrumentation. - [Gauge Valves](https://www.pipefittingweb.com/gauge-valves.html): Isolation valves for pressure gauges and instruments. - [Valve Manifolds](https://www.pipefittingweb.com/valve-manifolds.html): 2-valve, 3-valve, and 5-valve manifolds for instrument isolation and equalization. ### Butt Weld Fittings - [Butt Weld Fittings](https://www.pipefittingweb.com/butt-weld-fittings.html): Welded and seamless butt weld pipe fittings in SS 304/304L, 316/316L, and carbon steel. Used in petrochemical, paper & pulp, water treatment, oil & gas, and fertilizing industries. Features: dimensional accuracy, high strength, long service life, leak-proof, and corrosion resistance. - [Stainless Butt Weld Fittings](https://www.pipefittingweb.com/stainless-butt-weld-fittings.html): Full range of elbows, tees, reducers, caps, and other stainless steel butt weld fittings. ### Forged Pipe Fittings - [Forged Pipe Fittings](https://www.pipefittingweb.com/forged-pipe-fittings.html): High-pressure forged fittings (up to 9000 lbs) in stainless steel, carbon steel, alloy steel, and super duplex SS. Types: elbows, tees, couplings, unions, nipples, and branch outlets. Threaded or socket-weld connections. For petrochemical, oil & gas, power generation, aerospace, boiler, and heat exchanger applications. - [Threaded Pipe Fittings](https://www.pipefittingweb.com/threaded-pipe-fittings.html): NPT/BSP threaded elbows, tees, couplings, unions, and nipples. - [Socket Weld Fittings](https://www.pipefittingweb.com/socket-weld-fittings.html): Socket weld elbows, tees, couplings, and reducers for high-pressure systems. ### Flanges - [Flanges](https://www.pipefittingweb.com/flanges.html): Stainless steel, carbon steel, and low-temperature carbon steel flanges. Types: slip-on, blind, welding-neck, lap-joint, socket-weld, and threaded. Face types: RF, FF, and RTJ. Standards: ANSI/ASME, DIN, JIS, EN 1092-1, BS, ASTM A182, A105, A350 LF2. For oil & gas, petrochemical, power generation, marine, and water treatment. - [ANSI Flanges](https://www.pipefittingweb.com/ansi-flanges.html): American National Standard Institute flanges per ASME B16.5. - [JIS Flanges](https://www.pipefittingweb.com/jis-flanges.html): Japanese Industrial Standard flanges. - [DIN Flanges](https://www.pipefittingweb.com/din-flanges.html): German Industrial Standard flanges. - [EN 1092-1 Flanges](https://www.pipefittingweb.com/en-1092-1-flanges.html): European standard flanges. - [BS Flanges](https://www.pipefittingweb.com/bs-flanges.html): British Standard flanges. ### Valves (Industrial) - [Valves](https://www.pipefittingweb.com/valves.html): Full range of industrial valves in stainless steel 316 (ASTM A351 CF8M) and carbon steel (ASTM A216 WCB). End connections: threaded, flanged, butt weld, socket weld. For petrochemical, oil & gas, water treatment, plumbing, irrigation, power generation, and marine. - [1 Piece Ball Valves](https://www.pipefittingweb.com/1-piece-ball-valves.html): Compact single-body ball valves for simple shut-off service. - [2 Piece Ball Valves](https://www.pipefittingweb.com/2-piece-ball-valves.html): Two-piece body ball valves for general industrial use. - [3 Piece Ball Valves](https://www.pipefittingweb.com/3-piece-ball-valves.html): Three-piece ball valves allowing easy seat and seal replacement. - [3 Way Ball Valves](https://www.pipefittingweb.com/3-way-ball-valves.html): L-port and T-port ball valves for flow diversion. - [Flanged Ball Valves](https://www.pipefittingweb.com/flanged-ball-valves.html): Ball valves with flanged end connections. - [Check Valves](https://www.pipefittingweb.com/check-valves.html): Swing, wafer, and spring check valves for backflow prevention. - [Globe Valves](https://www.pipefittingweb.com/globe-valves.html): Precision flow control globe valves. - [Gate Valves](https://www.pipefittingweb.com/gate-valves.html): Full-bore gate valves for isolation service. - [Knife Gate Valves](https://www.pipefittingweb.com/knife-gate-valves.html): Knife gate valves for slurry and viscous media. - [Needle Valves](https://www.pipefittingweb.com/needle-valves.html): Fine flow control needle valves. - [Butterfly Valves](https://www.pipefittingweb.com/butterfly-valves.html): Wafer and lug butterfly valves for throttling and isolation. - [Diverter Valves](https://www.pipefittingweb.com/diverter-valves.html): Valves for diverting flow between multiple lines. - [Strainers](https://www.pipefittingweb.com/strainers.html): Y-type and basket strainers for filtration. - [Sight Glasses](https://www.pipefittingweb.com/sight-glasses.html): In-line sight glasses for visual fluid monitoring. ### Cast Pipe Fittings - [Cast Pipe Fittings](https://www.pipefittingweb.com/cast-pipe-fittings.html): Investment cast and gravity cast fittings including 150LB threaded SS pipe fittings and camlock couplings. For water treatment, plumbing, irrigation, and quick-connect fluid transfer systems. - [150LB Stainless Steel Pipe Fittings](https://www.pipefittingweb.com/150lb-stainless-steel-pipe-fittings.html): Class 150 threaded stainless steel fittings (elbows, tees, couplings, unions, etc.). - [Camlock Fittings](https://www.pipefittingweb.com/camlock-fittings.html): Cam and groove quick-connect couplings for fast tool-free hose and pipe connections. ### Handrail Fittings - [Handrail Fittings](https://www.pipefittingweb.com/handrail-fittings.html): Precision-engineered stainless steel (304/316, ASTM A351 CF8/CF8M) tube fittings for railing systems. Flush joint connection for seamless transitions. Tube diameters 1"–3", wall thickness 1.5mm or 2.0mm. Finishes: mirror, brushed, satin. Applications: staircases, balconies, ramps, glass balustrades, kitchens, shipbuilding. - [Flush Elbows](https://www.pipefittingweb.com/flush-elbows.html): 90° and 45° flush joint elbows for direction changes. - [Flush Tees](https://www.pipefittingweb.com/flush-tees.html): Flush joint tees for branching connections. - [Flush Cross](https://www.pipefittingweb.com/flush-cross.html): Four-way flush joint cross fittings. - [Flush In-Line Joiners](https://www.pipefittingweb.com/flush-in-line-joiners.html): Straight connectors for joining handrail segments. - [Handrail End Caps](https://www.pipefittingweb.com/handrail-end-caps.html): Decorative and safety end caps for handrail tube terminations. - [Base Flanges](https://www.pipefittingweb.com/base-flanges.html): Floor and wall mounting flanges for handrail posts. - [Joiner Base Plates](https://www.pipefittingweb.com/joiner-base-plates.html): Base plates with joiner for surface-mounted railing connections. - [Perpendicular Joiners](https://www.pipefittingweb.com/perpendicular-joiners.html): Fittings for perpendicular tube-to-tube connections. - [Handrail Brackets](https://www.pipefittingweb.com/handrail-brackets.html): Fixed wall-mounted brackets for handrail support. - [Adjustable Railing Brackets](https://www.pipefittingweb.com/adjustable-railing-brackets.html): Angle-adjustable brackets for sloped staircase railings. - [Bar Holders](https://www.pipefittingweb.com/bar-holders.html): Fittings for holding horizontal infill bars within a railing panel. - [Glass Clamps](https://www.pipefittingweb.com/glass-clamps.html): Clamps for securing glass panels in balustrade systems. - [Center Post Brackets](https://www.pipefittingweb.com/center-post-brackets.html): Brackets for attaching horizontal rails to center posts. ### Pipes & Tubes - [Pipes & Tubes](https://www.pipefittingweb.com/pipes-and-tubes.html): Stainless steel and carbon steel pipes and tubes in seamless and welded forms. Standards: ASTM, ASME, API. For oil & gas, petrochemical, plumbing, water treatment, food & beverage, automobile, and structural applications. - [Stainless Steel Pipes & Tubes](https://www.pipefittingweb.com/stainless-steel-pipes-and-tubes.html): Full range of stainless steel pipes and tubes in various grades, sizes, and schedules. ### Bars - [Bars](https://www.pipefittingweb.com/bars.html): Stainless steel and carbon steel bars (round, flat, square, hexagonal) for construction, automotive, machinery, marine, aerospace, and manufacturing. Precision-manufactured to international standards. - [Stainless Steel Bars](https://www.pipefittingweb.com/stainless-steel-bars.html): Full range of SS bars in various grades and sizes. ### Coils, Sheets & Plates - [Coils, Sheets & Plates](https://www.pipefittingweb.com/coils-sheets-and-plates.html): Taiwan-made stainless steel and carbon steel coils, sheets, and plates in hot rolled and cold rolled forms. Surface finishes: No. 1, 2B, 2D, BA, No. 4 (brushed), HL (hairline), No. 8 (mirror). For construction, automotive, appliances, and precision fabrication. - [Stainless Steel Coils](https://www.pipefittingweb.com/stainless-steel-coils.html): Hot rolled and cold rolled stainless steel coils in various grades and widths. - [Stainless Steel Sheets & Plates](https://www.pipefittingweb.com/stainless-steel-sheets-and-plates.html): Stainless steel sheets and plates in multiple grades, thicknesses, and surface finishes. ## Technical Resources - [Materials (PDF)](https://www.pipefittingweb.com/images/news/Materials.pdf): Reference table for stainless steel and carbon steel material grades and compositions. - [Specifications (PDF)](https://www.pipefittingweb.com/images/news/Specifications.pdf): Dimensional and technical specifications for pipe fittings. - [Pressure Conversion (PDF)](https://www.pipefittingweb.com/images/news/Pressure-Conversion.pdf): Pressure unit conversion reference chart. - [Pipe Wall Thickness (PDF)](https://www.pipefittingweb.com/images/news/Pipe-Wall-Thickness.pdf): Schedule and wall thickness reference for standard pipes. - [Resource Link (PDF)](https://www.pipefittingweb.com/images/news/Resource-Link.pdf): Additional industry and standards reference links.