Skip to content

Diaphragm Control Valve

2/2 Way & 3/2 Way Pneumatic Diaphragm Operated Control Valves

Diaphragm Control Valve

High-Temperature On/Off Valves for Thermic Fluid, Steam & Industrial Applications

AIRA’s 2/2 way and 3/2 way pneumatic diaphragm control valves are expertly engineered to meet the demanding requirements of high-temperature applications—delivering precise on/off control for thermic fluid, steam, gas, and water systems. Designed for operating temperatures up to 450°C, these valves are a reliable solution for process industries, power plants, chemical plants, and steam line automation.

Built with high-grade WCB, CF8, and CF8M body materials and SS304/SS316 internal parts, AIRA valves provide excellent corrosion resistance, durability, and tight shut-off performance (Leakage Class IV). The metal-to-metal seat construction ensures long-lasting operation even under extreme temperatures and pressures.

The valves conform to global quality and safety benchmarks such as IBR Certification, BS 6697, ASME B16.5, and FCI 70-2. Available in sizes from 15mm to 150mm with pressure ratings up to Class 600, these valves are ideal for critical pneumatic flow control applications in steam, oil & gas, and high-temperature industrial systems.

Key Features & Benefits

  • Engineered for 450°C high-temperature media like thermic fluid & steam

  • Available in 2/2-way and 3/2-way designs for flexible flow applications

  • IBR approved – Ensures safety and compliance in steam & pressure systems

  • Durable diaphragm and metal-to-metal sealing for leak-free performance

  • Low maintenance and long service life

  • Designed and manufactured to international standards (BS 6697 / ASME / FCI 70-2)

AIRA Valves are trusted across industries for their high-performance operation, robust construction, and cost-effective automation solutions. Whether you’re upgrading an existing system or installing a new one, AIRA delivers precision, quality, and reliability in every valve.