HOKE 4200 SERIES STAINLESS STEEL BELLOWS VALVES

With its wide operating temperature range of -320° to 1200°F (-196° to +649°C), the 4200 Series meets the demands of many critical fl uid control conditions. Operating pressure range is 0-2000 psig. Applications include high temperature liquid metals, cryogenic service, and gas analysis.

Design Features:

• Positive plug return on all valves prevents plug sticking in severe service
• No torque transmitted to bellows – Hex guide mates with hex broach in bonnet
• Secondary o-ring seal in upper bonnet prevents leakage if bellows is damaged
• Non-rising stem prevents galling or seizing of stem threads
• Heavy-duty welded bellows provides long cycle life and assures leak tight service. Long size bellows insures full lift and utilization of full orifice area
• All-welded design for high-temperature and high-pressure service
• Plugs and bellows are replaceable on all gasketed types
• Valves can be base or panel mounted – add prefix “D” to part number for panel mounted
• Variety of materials and modifications
• Special High Tolerance NPT Thread

Typical Applications:

• Critical gas analysis
• High temperature liquid metals
• Cryogenics
• Reactive and toxic fluids
• Sealing cesium or isotope containers
• High vacuum systems

For a general overview of the Hoke product portfolio, please click here to download the Hoke Overview Brochure.

For a condensed version of the full product catalogue, please click here to download the Hoke Condensed Catalogue.

For the full range of packless bellows and diaphragm valves, please click here to download the Hoke Packless Bellows and Diaphragm Valves Catalogue.