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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
Dual Plate Check Valve
Value Valves CV-125 dual plate check valve for reliable reverse-flow protection. 1.5"–48" (DN40–DN1200), ANSI 150LB, -20°C to +120°C. Lightweight dual plates with independent springs, resilient long-life seat, low cracking pressure and minimal head loss for compact, energy-efficient installation.
1.5"–48" (DN40–DN1200)
ANSI 150LB
-20°C to +120°C
Non-Slam Shutoff
Low Cracking Pressure
Compact Face-To-Face
CL 150–2500
Pressure Classes
API 594
Industry Standard
NPS 2–48"
Size Range
Cast & Alloy Steel
Materials
Multi-Brand
Product Range