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This manufacturer specialises in...

Severe service valves including ball, globe, check & gate valves.

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Conval® is a leading American manufacturer of high-performance valves designed for severe service applications. Founded in 1967 and based in Somers, Connecticut, the company is known for its precision-engineered products used in power generation, oil and gas, chemical processing, and other critical industries. Conval's flagship valves - including the Clampseal® globe valve and Camseal® metal-seated ball valve - are built from forged materials for maximum durability and reliability. The company emphasises ease of maintenance with top-entry designs, allowing in-line servicing and reduced downtime. ISO 9001 certified and compliant with ASME standards, Conval is recognised globally for its quality, innovation, and long-term value.

Clampseal Fire-Safe Valve

Conval’s Clampseal Fire-Safe Valve is a fire-resistant valve designed to maintain reliable shutoff and performance in high-temperature emergency conditions.

Clampseal Cryogenic Valve

Conval’s Clampseal Cryogenic Valve is a high-pressure valve designed for tight shutoff and reliable operation at extremely low temperatures.

Bellows Seal Valve

Conval’s Bellows Seal Valve is a zero-emissions valve that uses a welded bellows to eliminate stem leakage, offering high cycle life and in-line serviceability.

Clampseal Severe Service Urea Valve

Conval’s Clampseal Severe Service Urea Valve is engineered for high-pressure urea reactor systems, offering in-line repairability, pressure-actuated backseat and modular body styles.

Clampseal Naval Boiler Blowdown Valve

Conval’s Clampseal Naval Boiler Blowdown Valve is a high-performance valve designed for reliable and efficient blowdown control in naval boiler systems.

Clampseal Variable Tandem Blowdown Valve

Conval’s Clampseal Variable Tandem Blowdown Valve is a compact, high-pressure unit designed for inline serviceability in boiler and bottom blow-off operations.

Clampseal Angle Pattern Check Valves

Conval’s Clampseal Angle-Pattern Check Valve is a compact, in-line serviceable non-return valve optimised for high-pressure systems with angle port flow design.

Clampseal T-Pattern Check Valve

Conval’s Clampseal T-Pattern Check Valve is a compact, in-line serviceable check valve designed for high-pressure systems with minimal footprint.

Clampseal Y-Pattern Check Valve

Conval’s Clampseal Y-Pattern Check Valve is a compact, light-weight check valve with in-line serviceability, optimised for high-pressure systems.

Conval’s Clampseal® Strainer is a rugged in-line strainer with optional blowoff valve or socket, designed for simple maintenance and versatile particle filtration in high-pressure systems.

Steam Whisperjet Valve

Conval’s Steam Whisperjet Valve is a multi-stage globe valve that reduces pressure in controlled steps, minimising noise, wear and cavitation in high-drop steam systems.

Camseal Top Entry Actuated Ball Valve

Conval’s Camseal Top Entry Actuated Ball Valve is a metal-seated, zero-leakage ball valve with top-entry design and actuation for automated control in high-pressure systems.

Camseal Top Entry Ball Valve

Conval’s Camseal Top-Entry Ball Valve is a metal-seated, zero-leakage valve with top-entry design for fast in-line maintenance in high-pressure, high-temperature systems.

Clampseal Throttling Valve

Conval’s Clampseal Throttling Valve is a severe-service globe valve built for repeatable flow control and dependable shutoff, with replaceable seat/venturi and in-line serviceability.

Swivldisc Gate Valve

Conval’s Swivldisc Gate Valve is a high-pressure, high-temperature gate valve with a flexible disc design to ensure tight seating alignment and in-line repairability.

Clampseal Check Valve

Conval’s Clampseal Check Valve is a compact, in-line serviceable valve designed for high-pressure systems where light weight and reliable non-return performance are essential.

Camseal Metal-Seated Ball Valve

Conval’s Camseal Metal-Seated Ball Valve is a top-entry, cartridge-style valve delivering zero leakage and easy in-line maintenance for high-pressure, high-temperature systems.

Clampseal Globe Valve

Conval’s Clampseal® Globe Valve is a high-performance, in-line repairable valve offered in Y, T, or Angle body styles, suitable for severe service applications in liquid or gas systems.

Clampseal 3-Way Diverter Valve

Conval’s Clampseal 3-Way Diverter Valve is a high-pressure, high-temperature globe valve with in-line serviceability for both seats, built for robust and flexible flow control.

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