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Products / Valves / Check Valves
Non-Return Valves — Swing, Bolted Bonnet & More
Valvenok supplies a comprehensive range of check valves engineered for reliable non-return service across the full spectrum of industrial process conditions. From cast steel swing check valves rated to ASME Class 1500 across NPS 2–48, to high-integrity bolted bonnet designs rated to CL2500 for high-temperature and high-pressure service — every valve sourced from trusted global manufacturers and built for leak-tight, maintenance-free performance in oil & gas, petrochemical, power generation and refining.
Valvenok supplies a comprehensive range of industrial, marine and instrumentation valves engineered for demanding service conditions across oil & gas, petrochemical, power generation and marine industries. From API-rated process isolation valves to class society approved marine valves and precision SS316 instrumentation valves — every product built for leak-tight, reliable performance.
Cast Steel Swing Check Valves
Velan cast steel swing check valves engineered for reliable non-return service across a wide size and pressure range. Built to API 594 standards with full bore flow path and high-pressure capability up to Class 1500.
NPS 2–48 | DN 50–1200
ASME Class 150–1500
High-Pressure Rated
Cast Steel Body
API 594
Full Bore Flow Path
Bolted Bonnet Check Valves
Anderson Greenwood Fasani bolted bonnet check valves for high-integrity non-return service in demanding process conditions. Rated to ASME CL2500 with high-temperature capability for critical pipeline applications.
NPS 2–6+ | DN 50–150+
ASME CL150–CL2500
Up to 400°F+ (204°C+)
Bolted Bonnet Design
High-Integrity Service
Carbon & Alloy Steel
SKH Series Check Valve
JDV SKH Series check valves to ANSI B16.34 standard. Flanged and socket welded end connections with face-to-face per ANSI B16.10 and butt welding ends ANSI B16.25. Inspection and test to API 598.
ANSI B16.34
ANSI B16.5 Flanged
ANSI B16.25 Butt Weld
API 598 Tested
ANSI B16.10 Face-to-Face
Socket Weld Ends
CL 150–2500
Pressure Classes
API 594
Industry Standard
NPS 2–48"
Size Range
Cast & Alloy Steel
Materials
Multi-Brand
Product Range