FSSCRS - Sanitary Rupture Discs

Constant pressure valves are automatic regulating devices integral to the oil management systems of screw compressor packages. They ensure that a sufficient minimum differential pressure (for instance, 3 bar, 4 bar, etc.) or oil injection pressure is maintained during both the start-up phase and the operation of the screw compressor.

Product Specification:

• Sizes: 1.1/2" to 6"
• Connections: Flanged & Butt Weld
• Materials: Steel
• Medium: Glycol-based cold brine refrigerant as per EN 378 p. 1, including NH3, R134a, R290 (propane), R507, mixtures with refrigerant oil, as well as neutral gas and liquid media
• Set Pressure: 1 - 25 Barg
• Temperature Range: -20 to +120 °C
• Max Design: (details to be specified)
• Notes: (additional information to be provided)

Optimise your screw compressor performance with our reliable constant pressure valves, designed for durability and efficiency in various applications.

Features & Benefits

• Resistant to dezincification
• Lightweight, compact design for easy installation and operation
• Enhanced leak protection
• Increased durability during installation
• Available in sizes ranging from 15 to 28mm
• WRAS approved for quality assurance

Specifications

• UK End Connection: Compression
• Compliant with BS EN 1254-2:1998 Standards
• Operator: Lever mechanism
• Quarter turn operation, ensuring ease of use
• PTFE seats and stem seal for reliable sealing
• WRAS listed for assurance of safety and compliance
• Suitable for low temperature hot water (LTHW), chilled, and wholesome (potable) water services

Pressure/Temperature Rating

Please refer to the datasheet for detailed pressure and temperature ratings.

This product description is optimised for SEO, incorporating relevant keywords while providing clear and concise information about the features, specifications, and benefits of the product, as well as ensuring compliance with UK standards.

The CONCOA 484 Series four-port, stainless steel barstock regulator provides high-flow pressure control for high-purity gases in bulk distribution, chamber pressurization, and liquefied hydrocarbon analysis. Internal pressure equalization ensures stable delivery despite flow changes, and the unit is rated to full cylinder pressure for safety. Features include balanced stem seat for constant pressure, rear panel mounting, pipe-away relief, and helium leak-checked integrity. Constructed from 316L stainless steel body, chrome-plated die-cast zinc bonnet, PCTFE seat, 40-micron stainless steel filter, 316L diaphragm, PTFE seals, 2 in gauges, Cv 1.0, and ports: 1/2 in FNPT (inlet/outlet), 1/4 in FNPT (gauge/relief). Temperature range: -40°F to 140°F (-40°C to 60°C). Compliant with CGA G-4.1, ANSI/ASME B40.1, PED 2014/68/EU, and CRN OH5216.