Welcome to FlowBiz Export Private Limited, a certified global engineering authority for extreme chemical filtration, severe corrosion containment, and high-purity pipeline asset protection. Operating specialized metallurgical foundries, advanced fluoropolymer molding laboratories, and automated pressure compliance testing facilities in Ahmedabad, Gujarat, we are India's premier manufacturer, supplier, and global B2B exporter of heavy-duty PTFE-Lined Y-Type Strainers.
Our specialized fluid-purification assets are engineered to construct an absolute, non-reactive physical barrier while capturing and isolating foreign particulates, scale, and debris within pipelines. From our manufacturing headquarters in Ahmedabad, we seamlessly support critical chemical processing and utility infrastructure networks nationwideincluding Rajkot, Vapi, Valsad, Surat, Gandhidham, Kutch, Ankleshwar, Bharuch, Mumbai, Pune, Thane, and Chennaibacked by fast-tracked domestic logistics and direct global maritime freight channels for rapid international project export.
FlowBiz PTFE-Lined Y-Type Strainers feature a high-integrity design that fully encapsulates the internal wetted flow track. The internal polymer liner completely covers the internal body cavity and extends over the flange face areas, ensuring that aggressive liquids, gases, and chemicals never make contact with the structural metal housing.
| Engineering Parameter | Certified Product Specifications & Compliance Codes |
| Design Standards | Fully compliant with ASME B16.34, BS EN 593, and manufacturing codes |
| Testing Standards | 100% hydrostatically, pneumatically, and electrostatically spark-tested to API 598 |
| Sizing Envelope Array | Comprehensive line sizes from21 in to 12 in (15 NB to 300 NB) |
| Pressure Class Ratings | Optimized for ASME Class 150# and PN10 / PN16 high-pressure loops |
| Body Metallurgy (MOC) | High-Tensile Ductile Iron (ASTM A536), Cast Steel (WCB), Stainless Steel |
| Fluoropolymer Lining | High-Density, Virgin PTFE / PFA (Lining Thickness:3 mm to 5 mm) |
| Filter Element / Screen | Precision-Punched PTFE Sealed Disc paired with a Stainless Steel Pin |
| Maximum Thermal Limit | Continuous severe-service temperature thresholds scaling up to |
| End Connection Interface | Precision-Machined Raised Face Flanged Ends conforming to ASME B16.5 |
| External Finish Aesthetic | Corrosion-resistant, high-build industrial protective coating |
Unlike standard cast iron utility filters that are prone to mechanical fracturing under sudden pipeline deflection or thermal expansion stresses, our strainer shells are cast from premium ASTM A536 Ductile Iron. This provides excellent yield strength and structural mass. The internal bore is fully lined with a 3
3 mm to 5 mm thick layer of virgin polytetrafluoroethylene (PTFE), protecting the pressure boundary from severe corrosion, chemical attack, and aggressive water media.
Even a microscopic fracture, pinhole, or thin spot inside a molded fluoropolymer lining can allow aggressive acids to slowly seep through, attacking and corroding the outer metal body from the inside out. To prevent this type of catastrophic failure, FlowBiz subjects 100% of our lined strainers to a high-voltage electrostatic spark test (10
10 kV to 15 kV). This rigorous quality assurance step ensures a completely continuous, non-porous chemical shield before factory assembly.
Standard metal strainer baskets quickly corrode, erode, and shed metal flakes when exposed to volatile chemical media. FlowBiz utilizes a specialized PTFE sealed filter disc reinforced by a high-strength stainless steel structural support pin. This dual-material configuration ensures excellent flow efficiency with minimal pressure drop while resisting chemical attack at temperatures up to +
+200C.
Our engineers have extended the internal PTFE body lining to flow directly over the flanged contact faces. When bolted into a pipeline, the pipe flanges compress directly against this extended polymer face, creating an integrated face gasket seal that completely eliminates the need for separate pipe gaskets. The traditional Y-type body layout enables straightforward maintenance; unbolting the lower bonnet cover allows field technicians to remove, flush, and clean the filter element with minimal plant downtime.
FlowBiz high-integrity PTFE-lined Y-type strainers are specified across high-consequence pipeline locations:
Aggressive Chemical Processing: Capturing solid scale and particulates within pipelines routing concentrated sulfuric, hydrochloric, nitric, and phosphoric acids.
Industrial Water Treatment & Desalination: Safeguarding expensive down-line assetssuch as reverse osmosis membranes, high-pressure pumps, and monitoring instrumentsfrom suspended solids.
Pharmaceutical & Petrochemical Manufacturing: Ensuring fluid purity, preventing material degradation, and capturing particulate scale within chemical waste recovery manifolds and organic solvent loops.
Pulp, Paper, & Manufacturing Facilities: Protecting down-line control valves and instrumentation from wood fiber debris and micro-abrasive sediments in highly corrosive bleaching lines.
A: Selection depends primarily on your pipeline layout, operating pressure, and space parameters. A Y-Type Strainer features a compact, angled body configuration that can be installed either horizontally or vertically in downhill lines. This structural design offers excellent pressure-containing integrity, allowing it to easily manage high-pressure industrial grids. Basket strainers are larger and limited strictly to horizontal tracks, making the Y-type design the more versatile option for compact chemical processing manifolds.
A: Virgin PTFE has excellent chemical inertness but can deflect or deform under high fluid velocities or differential pressure loading. If a filter screen were made entirely of unsupported plastic, it could buckle under a heavy load of captured solids, causing internal pipeline bypassing. FlowBiz embeds a heavy-duty Stainless Steel Pin into the core of the filter disc. The internal steel pin provides the structural rigidity needed to handle sudden pressure surges up to200
200C, while the outer PTFE encapsulation keeps the metal shielded from chemical attack.
A: Maintenance intervals are governed by the cleanliness of your process media. In a newly commissioned pipeline, the strainer should be unbolted and checked after the first few hours of operation to clean out welding slag, pipe tape, and construction debris. For continuous everyday plant operations, maintenance teams standardly track the differential pressure drop (P) across the strainer. A noticeable rise in pressure drop indicates the screen is full of trapped solids and should be flushed out to restore proper fluid velocities.
A: Small-bore lines below inch in (15 mm) carry very low fluid volumes where compact, standard needle filters provide sufficient particulate capture. Large-bore transmission pipelines above 12 in (300 mm) handle high-volume utility grids that typically specify large dual-basket filter skids. Our specialized Y-type flanged body arrays are engineered to scale effectively from up to 12 in, providing a rigid, structurally stable, and highly efficient filtration asset for primary industrial processing headers.
A: Sourcing can be initiated by contacting our corporate sales division in Ahmedabad, Gujarat. Our application engineering division will guide you through a comprehensive technical consultationassessing your precise nominal pipeline diameters (1/2 in to 12 in), preferred pressure rating (PN10/PN16/Class 150), exact chemical concentration profiles, and target temperature marginsto deliver a certified product submittal data sheet and an itemized commercial proposal with factory-direct B2B pricing.
Are you optimizing an aggressive chemical dosing manifold or upgrading an industrial water filtration matrix? Contact our Ahmedabad sales and engineering office today to receive complete technical data sheets, certified dimensional blueprints, and an itemized commercial proposal.

Price:
Price 2400 INR / Unit
Minimum Order Quantity : 1 Number
Structure : Other, Wafer / Lug type
Features : Corrosion resistance, bubbletight shutoff, low torque operation
Application : Chemical processing, Pharmaceutical, Water treatment, Petrochemical industries
Media : Other, Corrosive liquids, acids, bases, solvents
Price 2000 INR / Unit
Minimum Order Quantity : 1 Number
Structure : Other, Floating Ball
Features : Corrosion Resistant, Low Torque Operation, Blowout Proof Stem
Application : Chemical industries, Pharmaceuticals, Petrochemical, Water Treatment
Media : Other, Acid, Alkali, Solvent, Corrosive Fluids
Price 800 INR / Unit
Minimum Order Quantity : 1 Number
Structure : Other, Tubular body with flanged ends, transparent glass tube, PTFE lining
Features : Corrosion resistant, clear flow visibility, leakproof design
Application : Industrial pipeline observation, chemical processing
Media : Other, Liquids, gases, aggressive chemicals
Price 1200 INR / Unit
Minimum Order Quantity : 1 Number
Application : industrial
Media : Water