





Union Check Valve
The Union Check Valve is a versatile backflow prevention solution featuring integrated union connections for easy installation and maintenance. This innovative design combines the reliability of a swing or spring check valve with the convenience of union fittings, allowing for quick removal without pipe cutting. Perfect for water supply, irrigation, and industrial systems where backflow protection and serviceability are critical. Available in PVC, brass, or stainless steel construction with sizes from 1/2″ to 4″. The union nuts with EPDM gaskets ensure leak-proof performance, while the stainless steel spring or swing mechanism provides dependable one-way flow control.
- 20 Années d'expérience
- 20 Lignes de production professionnelles
- Grand inventaire de spots
Description du produit: Union Check Valve – Easy-Maintenance Backflow Prevention
Innovative Union Design for Simplified Service
Our Union Check Valve revolutionizes backflow prevention by combining reliable check valve functionality with the convenience of union connections. This dual-purpose design eliminates the need for pipe cutting during maintenance or replacement, saving time and reducing system downtime.
Key Features & Benefits:
✔ True Union Design – Integrated union nuts on both ends for tool-free installation/removal
✔ Dual Mechanism Options – Choose between spring-check (horizontal/vertical flow) or swing-check (horizontal flow only)
✔ Leak-Proof Construction – EPDM union gaskets with stainless steel fasteners
✔ Material Versatility – Available in PVC (chemical resistance), brass (potable water), and stainless steel (high-pressure)
✔ Full Flow Design – Minimal pressure drop for efficient system performance
Technical Specifications:
• Size Range: 1/2″ to 4″ (DN15 to DN100)
• Pressure Rating:
-
PVC: 150 PSI @ 73°F
-
Brass: 300 PSI @ 180°F
-
Stainless Steel: 450 PSI @ 250°F
• Temperature Range: -
PVC: 32°F to 140°F
-
Metal Bodies: -20°F to 250°F
• End Connections: Female threaded unions (NPT/BSP)
• Seat Material: EPDM (standard), FKM (high-temp optional)
Ideal Applications:
✓ Residential & commercial water supply
✓ Irrigation and sprinkler systems
✓ Boiler feed lines
✓ Industrial process piping
✓ Pump discharge protection
Why Choose Our Union Check Valve?
✅ Time-Saving Maintenance – Replace or service without pipe modifications
✅ Reliable Backflow Prevention – Meets ASSE 1018 standards
✅ Universal Installation – Suitable for horizontal and vertical pipes (spring-check version)
✅ Cost-Effective – Reduces labor costs for repairs and replacements
Available with Optional Features:
• Clear PVC body for visual flow inspection
• Tamper-proof union nuts
• Heavy-duty stainless steel springs
Request a quote today for your specific application requirements!







FAQ
1.Quel type d'entreprise êtes-vous?
Nous sommes une entreprise intégrée de l'industrie et du commerce. Nous produisons et vendons nos propres produits dans l'espoir de fournir de meilleurs prix et services.
2.Quel est l'emplacement de votre entreprise?
Notre entreprise est située à Kunming, Province du Yunnan, China..
3. Quelle est votre durée?
L'heure du délit 7 JOURS,Selon l'exigence des clients.
4.Comment obtenir des échantillons et économiser les coûts?
Nous fournissons des échantillons gratuitement, Il vous suffit de payer pour l'expédition express.
5.Pourquoi nous choisir?
A. High Quality et bas prix.b.quick Réponse et livraison rapide.C.After-Sales Garantie.D.Rich et Complete Products
