Pneumatically Actuated Wafer & Lugged Butterfly Valves

**Valpres 600 Series Butterfly Valve with Valbia 82 Series Pneumatic Actuator** Introducing the Valpres 600 series butterfly valve, engineered for reliability and performance. This valve features a robust iron body complemented by a stainless steel disc and stem, all lined with durable EPDM rubber. Paired with the Valbia 82 series pneumatic actuator, it is designed for optimal functionality with a minimum pilot air supply pressure of 5.5 Bar g. The actuator boasts a rack and pinion design, encapsulated in a hard anodised aluminium body with blue-coated end caps for added protection. It offers visual position indication and includes 1/8” BSP pneumatic connections. Engineered with bi-directional open/close travel stops, this system is suitable for a maximum air supply pressure of 8 Bar g and is ATEX II 2GD T6 approved for use in hazardous environments. The package includes a mounting kit to ensure swift installation. Each unit is fully assembled and rigorously function tested for quality assurance. **Specifications:** - **Size Range:** Available in sizes from 1.¼” to 24” - **Body Types:** Wafer pattern compatible with various flange drillings, and wafer lugged pattern suited for PN16 flanges - **Body Materials:** - Wafer Pattern: Cast Iron - Wafer Lugged Pattern: Ductile Iron - **Trim Material Options:** Choose between SG iron disc with NBR or Viton liners - **Actuator Options:** Select from double acting, spring return (available in fail close or fail open configurations). Stainless steel and painted actuator options are also offered. Optimise your piping systems with the Valpres 600 series butterfly valve and Valbia actuator, combining durability, performance, and safety for industrial applications.

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Other Products and Services from Flowstar (UK) Ltd

CONCOA 425 Series Regulator

The CONCOA 425 Series four-port, stainless steel barstock regulator provides secondary or point-of-use pressure control for ultra-high purity, corrosive, or toxic gases in high-purity gas distribution systems. Rated to full cylinder pressure for safety, it features a metal-to-metal diaphragm seal, CAPSULE® seats with 360° filtration, pipe-away relief, captured vent bonnet, and front/rear panel mounting. Constructed from 316L stainless steel body, chrome-plated brass bonnet, PTFE seats and seals, 10-micron stainless steel mesh filter, 2 in gauges, Cv 0.1–0.2, 1/4 in FNPT ports, and rated for -40°F to 140°F (-40°C to 60°C). Conforms to CGA G-4.1, ANSI/ASME B40.1, PED 2014/68/EU, and CRN OH5216.

Hattersley 970 PN16 Butterfly Valve - Lever Operated

Features & Benefits: Durable ductile iron body with integrated notch plate, anti-blowout stem for safe operation, fully bonded epoxy coating for Level 3 C3 corrosion protection, and maintenance-free design to minimise downtime.

Specification: Complies with BS EN 593; face-to-face to BS EN 558; DN250+ valves include fully enclosed gear operator; suitable for flow regulation and gas applications; Fig. 970/970G approved for Group 1 & 2 gases and liquids per PED 2014/68/EU.

Pressure/Temperature Rating: PN16, -10 to 130°C.

Hattersley Fig 100EXT PN25 Ball Valve - Extended Stem

Features & Benefits

• Resistant to dezincification
• Lightweight, compact design for easy installation and operation
• Enhanced leak protection
• Greater durability during installation
• Available in sizes ranging from 1/2" to 2"
• WRAS approved for use with hot and cold water systems up to 85°C
• Compliant with BS EN 13547

Specifications

• UK End Connection: BS EN 10226-2:2005 (formerly BS21 Taper)
• US End Connection: ANSI B1.20.1:1983
• Operator Type: Lever
• Specification: DZR Brass (CW602N) Body Ball Valve, constructed in accordance with BS EN 13547, featuring a two-piece design, floating stainless steel SS304 ball, anti blow-out stem, PTFE seats, threaded ends, and PN25 rated
• Suitable for Group 2 Gas and Group 1 and Group 2 Liquids as defined by the Pressure Equipment Directive 2014/68/EU, as amended
• Not suitable for Group 1 Gases or unstable liquids.

Pressure/Temperature Ratings

• Operating temperature range: -10 to 100°C with a pressure rating of 25 Barg
• Operating temperature of 120°C with a pressure rating of 21.8 Barg

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Flowstar (UK) Ltd

Wiltshire Road, Kingston-upon-Hull, East Riding of Yorkshire, HU4 6PA, United Kingdom

Flowstar (UK) Ltd is a leading global supplier of safety, relief, and reducing valves. With strong partnerships across major manufacturers, we deliver precise, reliable valve solutions tailored to your needs. Email enquiries to sales@flowstar.co.uk or call us on +44 (0)1482 601030.

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