Industrial Grade Excellence
SS Conical Strainer Manufacturer, Temporary Pipeline Cone Filter & Stainless Steel Strainer Supplier in India
VVIOK Industry is a premier industrial filtration equipment manufacturer based in Ahmedabad, India, specializing in the precision engineering of stainless steel conical strainer solutions. Commonly referred to in pipeline engineering as temporary conical strainers or 'witch's hat' strainers, these vital components are installed between pipe flanges during plant commissioning, initial startup, and regular operations to protect downstream pumps, meters, control valves, and turbines from pipe scale, welding slag, and particulate debris. Whether manufactured as a standard ss conical strainer or customized for aggressive chemical lines, our conical elements deliver robust protection with minimal pressure drops.
Each conical filter strainer is engineered using high-integrity perforated sheet backing and precision wire mesh. As an established manufacturer of high-purity process equipment, our heavy-duty conical metal strainer designs feature reinforced rings and handles for rapid installation and tool-free removal during maintenance shutdowns. Fabricated from certified AISI 304, 316, and 316L alloys, each stainless steel cone strainer provides superior corrosion resistance across steam lines, petrochemical conduits, water treatment loops, and pharmaceutical fluid handling circuits.
Depending on the filtration threshold required, we configure every unit as a coarse perforated basket or an ultra-fine conical mesh strainer with wire cloth down to 20 microns. For bulk process clarification, the cone geometry acts as a high-capacity conical sieve strainer, creating a smooth laminar flow path that guides solid contaminants along the apex while maintaining uninterrupted fluid passage. In commercial beverage, spirits, and botanical extraction manufacturing, our ultra-sanitary fine mesh cones perform the same delicate particle clarification as a commercial-grade conical cocktail strainer, ensuring clear, debris-free liquid infusions before downstream bottling.
To meet diverse plant layouts, we fabricate each conical type strainer in standard ANSI 150#, 300#, and 600# flange ratings, in both flat-face and raised-face configurations. For high-volume municipal intake, cooling water loops, and heavy process pipelines from 12 inches up to 48+ inches in diameter, VVIOK Industry engineers custom large conical strainer systems with heavy structural gussets to prevent pleat or cone collapse under differential pressures up to 10 bar. Every unit is manufactured with 100% dimensional verification, material test certificates (EN 10204 3.1 MTC), and hydrostatic pressure testing.
Core Performance Features
Precision engineered stainless steel conical strainer compliant with ASME B16.5 and ASME Section VIII standards
Heavy-duty ss conical strainer fabrication utilizing certified AISI 304, 304L, 316, and 316L alloys
Versatile conical filter strainer design offering 100% to 300% open area ratio to minimize line pressure drop
Rugged, corrosion-resistant conical metal strainer with reinforced flange ring for ANSI 150# to 600# piping
High-integrity stainless steel cone strainer with perforated plate backing and precision wire mesh lining
Dual-purpose conical sieve strainer and conical mesh strainer configuration with filtration from 20 mesh to 400 mesh
Sanitary electro-polished options matching the ultra-fine clarification of a commercial conical cocktail strainer for botanical and beverage extracts
Reliable bi-directional conical type strainer and heavy-gusseted large conical strainer options for pipelines up to 48" NB
Comprehensive Engineering Specifications for Industrial Conical (Witch's Hat) Strainers:
1. Design Standards & Dimensional Compliance:
- Flange Standards: ASME B16.5 (Pipe Flanges and Flanged Fittings), ASME B16.47 (Large Diameter Steel Flanges), and EN 1092-1 / DIN standards.
- Fabrication Codes: ASME Boiler and Pressure Vessel Code Section VIII Division 1 guidelines and MSS SP-81.
- Open Area Ratio: Standard designs provide 100%, 150%, 200%, or up to 300% free open screen area relative to the internal pipe cross-sectional area.
2. Materials of Construction (MOC):
- Outer Perforated Backing: Heavy-duty AISI Stainless Steel 304, SS 304L, SS 316, SS 316L, 904L, Duplex 2205, Hastelloy C-276, or Monel 400.
- Fine Wire Mesh Lining: Precision-woven SS 304 / SS 316 wire mesh cloth (plain weave or twilled Dutch weave).
- Flange Collar Ring: Solid machined or precision laser-cut stainless steel or carbon steel ring with identification stampings.
- Fasteners & Support Ribs: High-tensile structural tie-rods, apex reinforcements, and longitudinal stiffening gussets.
3. Sizing & Pressure Ratings:
- Nominal Pipe Diameter: 1/2" NB to 48" NB (DN15 to DN1200, with custom engineering for oversized lines).
- Flange Pressure Classes: Class 150#, Class 300#, Class 600#, Class 900#, PN10, PN16, PN25, PN40.
- Flange Sealing Faces: Raised Face (RF) serrated finish, Flat Face (FF), or Ring Type Joint (RTJ) configurations.
4. Flow Orientation & Structural Mechanics:
- Apex Pointing Downstream (Flow Inside-to-Out): Collects particulate debris within the interior of the cone basket for easy removal upon extraction.
- Apex Pointing Upstream (Flow Outside-to-In): Distributes debris around the exterior perimeter with lower initial pressure loss in high-velocity flows.
- Differential Pressure Resistance: Reinforced apex and longitudinal structural bars engineered to resist collapse pressures up to 10 bar (150 psi).
5. Mesh Openings & Perforation Options:
- Perforated Base Plate: 1.0 mm, 2.0 mm, 3.0 mm, 4.0 mm, 5.0 mm, 6.0 mm round perforations (staggered 60° pitch).
- Fine Mesh Liners: 20 Mesh (840 µm), 40 Mesh (400 µm), 60 Mesh (250 µm), 100 Mesh (149 µm), 200 Mesh (74 µm), up to 400 Mesh (37 µm).
- Surface Treatment: Chemical pickling and passivation as per ASTM A380 / A967; mirror or sanitary electro-polish (Ra < 0.4 µm) for pharmaceutical/food grades.
6. Quality Control & Documentation:
- 100% dimensional check and weld visual inspection.
- Dye-penetrant examination (DPE) on critical structural joints.
- Comprehensive QA Dossier: EN 10204 3.1 Material Test Certificates (MTC), flange thickness reports, and hydrostatic validation.
