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  • Stainless Steel Threaded Y-Strainer | Removable Mesh Screen for Small Bore Corrosive Lines
    Stainless Steel Body: CF8 (SS304) or CF8M (SS316) — will not rust or contaminate media.
    Threaded Connections: NPT or BSP threads for easy installation on small pipes (1/4″ – 2″).
    Removable Stainless Steel Screen: SS304 or SS316 mesh — cleanable and reusable.
    Blow-Down Port Option: Purge debris without disassembling the strainer.
    Multiple Mesh Sizes: 20, 40, 60, 80, 100, or 200 mesh available.
    Compact Y-Shape Design: Easy access to screen without removing the strainer from the line.
  • Stainless Steel Wafer Butterfly Valve | Compact & Corrosion Resistant for Chemical & Sanitary Lines
    Wafer Design: Sandwich installation between two flanges — lightweight and compact.
    SS316 Disc Standard: Corrosion resistant disc — perfect for aggressive media.
    EPDM / PTFE / Viton Lining: Choose seat material based on chemical compatibility.
    90° Quarter-Turn Operation: Fast opening and closing with lever or gearbox.
    ISO 5211 Mounting Pad: Ready for electric or pneumatic actuators.
    Bi-Directional Sealing: Zero leakage in both flow directions.
  • Stainless Steel/Carbon Steel Lap Joint Flange LJ ANSI/GB Standard Loose Flange for Corrosive Media Pipeline
    Available in stainless steel/carbon steel, with high corrosion resistance and easy alignment
    Compliant with ANSI/ASME B16.5, GB/T 9118, DIN standards
    Loose design allows for free rotation and easy bolt hole alignment
    Ideal for systems requiring frequent disassembly or high corrosion resistance
    Full range of sizes and pressure ratings (DN15~DN600, Class150~1500).
    100% dimensional inspection before shipment, with mill test certificates available
  • Stainless Steel Lap Joint Flange LJ High Precision Loose Flange for Corrosive Industrial Pipeline
    Premium stainless steel material, excellent corrosion resistance and long service life
    Compliant with ANSI/ASME B16.5, GB, DIN standards
    Smooth machined surface, precise bolt hole positioning for easy installation
    Loose design allows free rotation for easy bolt hole alignment
    Available in various sizes and pressure ratings to meet different application needs
    100% dimensional and visual inspection before shipment, with mill test certificates provided
  • Carbon Steel Blind Flange BL Forged High Pressure ANSI Standard Pipe End Blank Flange For Industrial Pipeline
    Available in stainless steel / carbon steel, forged in one piece, with high strength, corrosion resistance and no sand holes or defects.
    Compliant with ANSI/ASME B16.5, GB, DIN and other international standards, compatible with mainstream piping systems.
    Full flat sealing structure for 100% pipe blockage and zero leakage guarantee.
    Full range of specifications: pressure ratings Class150~2500, sizes DN15~DN2000 available.
    Precision CNC machining ensures high end face flatness and accurate bolt hole positioning for easy installation.
    100% visual and dimensional inspection before shipment; third-party testing supported with material certificates available.
  • Carbon/Stainless Steel Slip On Flange SO Raised Face Welded Pipe Flange ANSI/GB Standard
    Carbon steel/stainless steel forged material, high strength and corrosion resistance
    Raised face (RF) design with concentric grooves for leak-tight gasket sealing
    Slip-on welding design for quick installation and easy alignment
    Compliant with ANSI/ASME B16.5, GB, DIN, JIS international standards
    Full range of sizes & pressure ratings (DN15~DN2000, Class150~1500)
    100% dimensional & visual inspection, with mill test certificates available
  • Carbon/Stainless Steel Flat Flange PL Weld Neck Slip On Flange ANSI/GB Standard for Industrial Pipeline
    Available in carbon steel/stainless steel, with high strength and corrosion resistance.
    Compliant with ANSI/ASME B16.5, GB, DIN, JIS standards.
    Slip-on welding design for easy alignment and quick installation.
    Precision CNC machined bolt holes for leak-tight connection.
    Full range of sizes and pressure ratings (DN15~DN2000, Class150~1500).
    100% dimensional inspection before shipment, with mill test certificates available.
  • Slotted Flange | U‑Shape Open Bolt Slots – Fast Maintenance without Full Bolt Removal
    U‑shape open bolt slots – Bolt holes open to the outer edge; flange can be removed by loosening bolts without full bolt extraction
    Fast maintenance – Drastically reduces downtime for cleaning, gasket replacement, or line access – improves plant efficiency
    Ideal for confined spaces – Easy operation where bolts cannot be fully pulled out due to limited clearance
    Multiple pressure ratings – Customizable from Class 150 to Class 900, suitable for medium and low pressure systems
    Full material selection – Carbon steel, stainless steel, alloy steel, duplex, etc., for corrosive, sanitary, or high‑temperature services
    Compatible with standard flanges – Bolt circle diameter and slot dimensions can match ASME/EN standard mating flanges and bolts
  • Socket Weld Flange | High‑Strength Fillet Weld – Designed for High‑Pressure Small‑Bore Piping (NPS ≤ 2″)
    Socket weld design – Pipe end inserts into the socket, self‑aligning, simple and reliable welding
    For high‑pressure duty – Pressure rating up to Class 2500, primarily for NPS 2″ and smaller lines
    Smooth bore – Minimal internal weld protrusion reduces turbulence and pressure loss
    Wide material choice – Carbon steel, stainless steel, alloy steel for corrosive, high‑temp or low‑temp services
    Full standard compliance – Manufactured to ASME B16.11 / ASME B16.5 and GB/T 9116
    Multiple facing types – RF, FF, RTJ, MFM, etc. for various gaskets
HEBEI GAOVISTA IMP & EXP TRADING CO., LTD
We specialize in supplying a full range of pipeline products, including carbon steel and stainless steel flanges, industrial valves, ductile iron valves, various pipe fittings and pipeline accessories.

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