CHK Series Swing Check Valve - Velan

CHK Series Swing Check Valve – Velan

Product Details
Spec Detail
Size Range NPS 1.13/16- 21.1/4 (DN 46-540) NPS 2 – 36 (DN 50-900)
Pressure Class ASME 150 – ASME 2500 API 5000-API 15000
Standard Connections Flanged (RF, RTJ) as per B16.5 &B16.47, Butt Welded as per B16.25, Hub connection, 6B, 6BX as per API 6A
Series CHK
Valve design Based on API 6D and customer requirements
based on API 6A and customer requirements
Temperature range -150 to 428°F (-101 to 220°C)
Face-to-face As per API 6D standard or as Velan standard
End connections RF, RTJ as per B16.5 &B16.47
BW, Butt Welded as per B16.25
Hub connection
6B, 6BX as per API6A
Body design Forged or cast one-piece
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Premium Swing Check Valves – Supplier, Distributor & Stockist

Features & Benefits

As a leading Velan Valve Supplier, Distributor, and Stockist, we offer high-performance swing check valves engineered for upstream, midstream, and subsea applications. Designed for high-pressure, high-temperature (HPHT) services, these valves ensure total reliability with forged or cast materials to meet rigorous industry demands.

  • Piggable Design: Ideal for riser pipelines and subsea installations, enabling seamless pipeline maintenance without valve removal.

  • Bidirectional Sealing: Metal-seated with hard-faced disk/seat for superior leak prevention.

  • Versatile Installation: Compatible with horizontal and vertical (flow-up) pipelines—space-saving top-entry design simplifies in-line maintenance.

  • Low-Velocity Optimization: Perfect for systems requiring minimal flow resistance.

  • Fire-Safe Certified: Compliant with API 6FA/607, PED 2014/68/UE, and API 6D/6A standards.

Key Advantages for Industrial Buyers

✔ Custom Material Selection: Tailored to project specifications (API 6A PSL 1-4, PR1/PR2).
✔ De-Clutchable Device: Enables lock-open mode for pipeline pigging.
✔ Graphite Secondary Seals: Enhanced durability in extreme conditions.
✔ API 6D & ISO 5208 Certified: Rigorously tested per API 598/6A for zero-leak performance.

Why Choose Us?

As a trusted Velan Valve Distributor and Stockist, we guarantee:

  • Fast global delivery of API 6D/6A-compliant valves.

  • Fire-tested designs (API 6FA/607).

  • PSL 3G/4 and PR2F validation for critical applications.

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