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304 Stainless Steel Silent Check Valve with Non-Slam Closure and Low Head Loss for Corrosive Applications

  • 304 Stainless Steel Silent Check Valve with Non-Slam Closure and Low Head Loss for Corrosive Applications
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Détails sur le produit
Matériel Moulage, laiton, acier inoxydable, fonte ductile, GGG40 Taille du port DN50-DN1200,Standard,2"-24",DN50-800,3/4"
Pouvoir Manuel, à commande électrique, hydraulique, à commande par volant, GO Pression Moyenne pression, basse pression, PN10-16, PN1.0/PN1.6, 250PSI
Température des supports Température moyenne, température normale, basse température, -10 ~ 100 ℃ Médias Eau, pétrole, etc., gaz, etc.
Application Général, irrigation, distribution d'eau, industrie, système d'eau Structure Porte, papillon, vanne à vanne non montante
Standard ou non standard Standard Nom du produit Vanne à vanne, vanne à vanne électrique en fonte avec tige non montante DN40-DN600, vanne à vanne à
Standard DIN,BS,JIS,F5;AWWA C509/C515;ANSI,DIN3352 Taille DN40-DN600,DN50 ~ DN 1000,2''-24'',DN15 à 100
Connexion Extrémités de bride, double bride, BSP, extrémités de prise, filetage femelle Matériau du corps Fonte ductile, DI/CI, DI, fonte, laiton
couleur Bleu, demande du client, exigence du client, jaune, gris Moyen Eau, eau, pétrole, gaz
Taper Vanne à vanne, ouverture normale, 2 voies, tige non montante/NRS Type de soupape soupape à vanne
Joint doublé de caoutchouc, métal, PTFE
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304 Stainless Steel Silent Check Valve

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Silent Non-Slam Closure Check Valve

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Low Head Loss Check Valve
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Description de produit
304 Silent Check Valve
Product Overview
The 304 Silent Check Valve is an advanced, hydraulically optimized check valve engineered to prevent reverse flow without water hammer, shock noise, or disc slamming. Featuring a streamlined axial or tilting disc design, it ensures smooth, silent, and reliable operation in systems where noise, pressure surge, and valve wear are critical concerns. Constructed entirely from 304 stainless steel, it is ideal for corrosive, hygienic, and demanding fluid handling applications.
Key Features
  • Silent, Non-Slam Closure: Unique internal design with spring-assisted or lever-weighted mechanism ensures gradual, shock-free closure even under fluctuating flow conditions.
  • 304 Stainless Steel Construction: Excellent corrosion resistance, durability, and hygiene compliance for chemical, marine, food, and pharmaceutical industries.
  • Low Head Loss: Streamlined flow path and optimized disc geometry minimize pressure drop and improve system efficiency.
  • Maintenance-Friendly Design: In-line repairable models allow for seat and spring replacement without removing the valve body from the pipeline.
  • Versatile Mounting: Can be installed in horizontal or vertical pipelines (flow direction upward).
  • Long Service Life: Precision-machined seating surfaces and corrosion-resistant materials ensure reliable sealing and extended durability.
Technical Specifications
Body & Trim Material AISI 304 Stainless Steel
Seat Seal EPDM, NBR, FKM, or PTFE (optional)
Spring Material 304 or 316 Stainless Steel
Connection Types Threaded (NPT/BSP), Flanged (ANSI/DIN), or Wafer
Size Range ½" to 24" (DN15 to DN600)
Pressure Rating Class 150 / PN16 to Class 300 / PN40
Temperature Range -20°C to +120°C (w/ elastomeric seals) | Up to 400°C (all-metal design)
Compliance API 594, API 6D, ISO 5208, or as customized
Applications
  • Water & wastewater treatment plants
  • HVAC, pumping stations, and booster systems
  • Chemical, petrochemical, and process industries
  • Marine & offshore piping systems
  • Food, beverage, and pharmaceutical processing
  • Fire protection and irrigation systems
Operation Principle
The valve utilizes a guided disc and a calibrated spring (or lever-counterweight) to control the closing motion. As forward flow decreases, the spring gently returns the disc to the seat before reverse flow occurs, eliminating sudden closure and associated hydraulic shock.
Benefits
  • No Water Hammer: Protects pipelines, pumps, and equipment from pressure surges.
  • Quiet Operation: Ideal for noise-sensitive environments such as buildings and hospitals.
  • Energy Efficient: Reduced pressure loss lowers pumping costs.
  • Low Maintenance: Non-slamming action drastically reduces wear on sealing surfaces.
  • Safe & Reliable: Prevents backflow contamination and system failure.
Installation Notes
• Ensure proper flow direction alignment with valve arrow.
• Support the valve appropriately to avoid pipeline stress.
• For vertical installation, confirm valve orientation suitability with manufacturer.
• Recommend installing downstream of pumps or system outlets where flow reversal risk exists.
Étiquettes:

soupape de porte non montante

à l'exclusion des appareils de traitement des eaux usées

Valve élastique de la porte du siège