A182 F51 Ball Valve

A182 F51 ball valve is a high-performance valve made of forged duplex stainless steel, designed for severe working conditions.

Structural components

Core forging components

Valve body/ball/stem: all use A182 F51 forgings to ensure high pressure strength;

Seal configuration : Optional soft seal (PTFE, ≤ 200 ℃) or metal hard seal (≤ 540 ℃).

Special seat design

Floating seat: spring pre-tensioned structure, automatic compression of the ball under media pressure to achieve bidirectional sealing;

Scraping function: metal hard seal valve seat can shear particles, anti-clogging (applicable to the media containing impurities).

Drive mode

manual (worm gear torque reduction design) or pneumatic/electric actuator.

 

A182 F51 Ball Valve

 

Features

Extreme corrosion resistance

Resistance to chloride stress corrosion is more than 3 times that of 316L stainless steel, suitable for sulphur-containing and high chloride ion media (e.g. seawater, dilute sulphuric acid);

High strength pressure resistance

Yield strength ≥ 450MPa, support Class 150~2500 (PN16~PN420) high pressure rating;

Wide temperature range adaptation Metal hard seal models are suitable for -196℃~540℃ (LNG deep cooling to high temperature steam);

Zero leakage seal

Conforms to API 598 Class VI sealing standard, leakage rate ≤10 -⁶ mbar-L/s.

Applications

Energy transmission: submarine oil and gas pipelines, LNG receiving station high pressure system;

Chemical smelting: chlorine-containing acid (hydrochloric acid/phosphoric acid), hydrogen sulphide media treatment;

Environmental protection project Environmental engineering: seawater desalination, high salt wastewater pipelines;

Heating system: high temperature hot water/steam pipeline network (fully welded). Hot water/steam pipeline network (all welded valve body anti-leakage)

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