Precision
& Wedge Wire
316L STAINLESS STEEL. ANSI/DIN FLANGED. 150# TO 2500# RATING. ENGINEERED FOR CHEMICAL PLANTS, REFINERIES, AND WATER TREATMENT FACILITIES WHERE DOWNTIME IS NOT AN OPTION.
Industrial Solutions
EVERY PRODUCT PRESSURE-TESTED TO 1.5X RATED PRESSURE. FULL MATERIAL TRACEABILITY WITH 3.1 CERTIFICATION AVAILABLE.
Duplex Basket Strainers
Continuous-flow filtration with diverter valve. Left chamber cleans while right operates.
Wedge Wire Screens
Continuous-slot construction. High open area. Non-clogging design for high-solids applications.
Y-Type Strainers
Compact inline filtration. Investment cast body. Quick-open cover for fast element cleaning.
Custom Filtration Skids
Complete filtration packages with duplex strainers, valves, instrumentation, and controls on a single skid.
Built to Standards
MATERIAL INTEGRITY
All wetted parts in 316L stainless steel. Full PMI testing. Dual-certified to EN 10204 3.1/3.2. Hastelloy and duplex stainless available on request.
API 6D & PED CERTIFIED
Manufactured to API 6D pipeline valve standards. PED 2014/68/EU Module H certified. NACE MR0175 for sour service applications.
100% PRESSURE TESTED
Every strainer undergoes hydrostatic shell test at 1.5x rated pressure and seat leakage test. Test certificates included with every shipment.
CNC PRECISION MACHINING
Investment cast bodies finished on 5-axis CNC. Wedge wire profiles laser-cut and robotically welded. ±0.05mm slot tolerance.
The Specialists
WHEN GRAINGER, MCMASTER-CARR, AND GLOBAL EPCS NEED INDUSTRIAL STRAINERS, THEY SOURCE FROM WENZHOU. PUREFLOW IS THE MANUFACTURER BEHIND THE BRANDS.
TALK TO AN ENGINEER →WENZHOU MANUFACTURING HUB
Located in the world's largest valve and pipe fitting manufacturing cluster. Direct access to the most advanced casting and machining supply chain.
20+ YEARS SPECIALIZED
Not a general valve factory. We focus exclusively on industrial strainers and wedge wire screens. Deep engineering expertise in filtration.
GLOBAL CERTIFICATION
API 6D, CE/PED, ATEX, NACE MR0175. Regular third-party audits by SGS, Bureau Veritas, and DNV-GL. Full documentation package with every order.
OEM & CUSTOM ENGINEERING
Custom flange drilling, exotic alloys, special mesh sizes, and engineered skid packages. Our engineering team modifies any design to your specification.
Need a Configuration?
SEND YOUR P&ID OR SPECIFICATION. OUR ENGINEERS WILL PROVIDE A COMPLETE TECHNICAL PROPOSAL WITH 3D MODELS, MATERIAL CERTIFICATIONS, AND PRICING WITHIN 48 HOURS.