Check Valves — Manufacturer & Supplier

Parameter Range

Nominal size DN15–DN1200 (½"–48")

Pressure rating PN10–PN160 / Class 150–900

Design standard API 6D, BS 1868, GB/T 12236

Body material WCB carbon steel, CF8/CF8M stainless,

LCB/LCC low-temp

End connection Flanged (RF/RTJ), wafer, butt-weld (BW)

Type Swing check, lift check, dual-plate (wafer)

check

Testing standard API 598

Valvenza manufactures swing, lift, and dual-plate check valves for backflow prevention in high-pressure pipelines, built to API 6D, BS 1868, and GB/T 12236 under an ISO 9001 / ISO 14001 / ISO 45001 quality system.

Quality & Certification

ISO 9001 certified manufacturing. Each unit factory-tested for tightness and discharge performance before shipment. Material certificates and test reports available on request.

Applications

Steam distribution mains, steam tracing lines, process heating equipment, and condensate return systems in power, petrochemical, and industrial plants.

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