"PFA Lined Swing Check Valve" NPS 4"

GFT9’s PFA-lined swing check valves deliver reliable, corrosion-resistant backflow prevention for your industrial applications. Select the appropriate lining and retainer configuration method directly on the product page to request a quote, or view our full lineup in the collection. For detailed performance data and material specifications, download the comprehensive product leaflet.

All Ball ValvesProduct Leaflet
  • PFA Lined Swing Check Valve NPS 4 NPS 4 - Main view - High quality industrial valve by GFT9
  • PFA Lined Swing Check Valve NPS 4 NPS 4 - Low-pressure drop design improves flow efficiency and reduces energy use. - High quality industrial valve by GFT9
  • PFA Lined Swing Check Valve NPS 4 NPS 4 - Thick-walled PFA lining (3–5 mm) safely handles corrosive, solids-laden media. - High quality industrial valve by GFT9
  • PFA Lined Swing Check Valve NPS 4 NPS 4 - The springless, pin-free design eliminates corrosion and mechanical wear. - High quality industrial valve by GFT9
  • PFA Lined Swing Check Valve NPS 4 NPS 4 - Entire body is corrosion-resistant and vacuum-proof for harsh environments. - High quality industrial valve by GFT9
  • PFA Lined Swing Check Valve NPS 4 NPS 4 - PTFE retainer ring option enhances sealing under high pressure. - High quality industrial valve by GFT9
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Size:

NPS 4"

Body Material:

A216
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Name Vibron9
Design Norm DIN | ANSI
Flange Dimensions DIN EN 1092-1, PN 16 | ANSI B 16.5 Cl. 150/B16.42
Flange Dimensions DIN EN 1092-1, PN 16 | ANSI B 16.5 Cl. 150/B16.42
Face-Face-Dimensions DIN EN 558-1 Row 20, ISO 5752 | API 609/BS 5155
Pressure Range 0.1 mbar vacuum to 16 bar
Temperature Range -40°C up to +150°C
Leakage Rate Leakage Rate D
Quality Control Body 15bar, Back Seat 2bar, Spark Test 15kV DC

Product Specs

Dimensional Measurements

No DIN measurement entries available. Please assign your DIN measurements via the appropriate metafield.

Materials Table & File

Pos. Item Material
1 Lined Body WCB, CF8 - PFA Lined
2 Disc WCB, CF8 - PFA Lined
3 Eye Bolt Stainless Steel

P‑T Diagram

P-T-Diagram for the Swing Check Valve

Documentation (Optional):

  • Manufacturer Standard: German-language PDF
  • Certificate of Casting (DIN 10204-3.1): € 62.00 per valve type and nominal size, including material test report for the housing
  • Leakage Test Certificate: € 44.00 per certificate and valve type/nominal size

Other certifications upon request

Downloads

Terms And Conditions

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