Spec	Detail
Size Range	NPS 1/2 – 2 (DN 15 – 50)
Pressure Class	ASME Classes 150 – 800
Standard Connections	Threaded, socket weld, flanged

Spec

Detail

Size Range

NPS 1/2 – 2 (DN 15 – 50)

Pressure Class

ASME Classes 150 – 800

Standard Connections

Threaded, socket weld, flanged

ASME B16.34 Forged Steel Bonnetless Y-Pattern Bellows Seal Globe Valves – Features & Benefits

As a trusted Velan Valve Supplier, Distributor, and Stockist, we provide premium bellows seal globe valves engineered for extreme conditions. Designed to ASME B16.34 standards, these forged steel Y-pattern valves deliver unmatched reliability in high-pressure and high-temperature applications.

Key Features & Benefits

– 10,000+ Cycle Bellows Lifespan – Qualification-tested for long-term durability in demanding environments.
– Optional Bellows Monitoring Port – Plug connection above the bellows allows performance tracking to prevent failures.
– Double Secondary Stem Seals – Enhanced leak protection with:

Backseat sealing in open position
High-grade graphite packing for stem integrity
– Premium CoCr Hardfaced Seats – Solid cobalt-chromium (CoCr) alloy disc and hardfaced seats ensure superior wear resistance and tight shut-off.

Why Choose Our Valves?

As a leading Velan Valve Distributor and Stockist, we guarantee:
✔ ASME B16.34 compliance for forged steel reliability
✔ Reduced fugitive emissions with bellows seal technology
✔ Low maintenance & extended service life