Reliance RWC 2000 Litre Aquasystem Potable Expansion Vessel Pre Set 4 Bar - XVES050190

### Stainless Steel Expansion Vessel for Potable Water Applications Introducing the Reliance Valves Aquasystem Replaceable Membrane Potable Water Expansion Vessel, expertly engineered to accommodate the additional pressure in water systems as water heats and expands. These expansion vessels are crucial for maintaining safe operating levels, effectively preventing excessive pressure buildup within both sealed heating and cold water systems. Featuring a replaceable membrane, this innovative design protects the water from potential corrosion and contamination, ensuring it remains safe for human consumption. The replaceable membrane allows for straightforward servicing, enabling quick and efficient maintenance without the need to remove the vessel from its installed position. #### Features and Benefits: - **Corrosion-Resistant Design**: The stainless steel bolted flange prevents rust and degradation, ensuring longevity. - **Enhanced Flow and Reduced Noise**: The extra-wide membrane opening alleviates noise associated with restricted water flow. - **Protective Internal Membrane**: The internal membrane creates a barrier between the water and steel shell, effectively preventing internal corrosion. - **Versatile Capacity Range**: Available in sizes from 2 to 5000 litres, suitable for a variety of applications. - **Easy Maintenance**: All vessel variants come with a replaceable membrane for effortless servicing without removal. - **Air Pressure Maintenance**: Equipped with a pre-charge valve for convenient topping up of air pressure. - **Suitable for Hot and Cold Water**: Designed specifically for use with hot and cold water systems. #### Specification: - **Capacity**: 2000 Litres - **Colour**: Red - **Pre-Set Pressure**: 4 Bar - **Maximum Pressure**: 10 Bar - **Minimum Temperature**: -10°C - **Maximum Temperature**: 99°C - **Height**: 2555 mm - **Diameter**: 1100 mm - **Water Connection**: 2" M BSP - **Product Code**: XVES050190 #### Materials: - **Shell**: Epoxy Coated - **Membrane**: EPDM - **Bolted Flange**: Stainless Steel #### Standards and Approvals: - WRAS approved for capacities up to 1000 litres - CE marked in accordance with Directive PED 97/23/CE - TUV Certified - 1000 - 5000 litre models comply with BS 6920 Upgrade your water system with a reliable, efficient, and safe stainless steel expansion vessel today!

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Reliance RWC 100 Litre Heating Expansion Vessel Tank with Replaceable Membrane Pre Set 1.5 Bar - XVES100100

**Aquasystem Stainless Steel Expansion Vessel for Heating Applications** Discover the Reliance Valves Aquasystem Heating Expansion Vessels, expertly engineered for optimal performance in heating systems. Our stainless steel expansion vessels are available in a diverse range of capacities, from 2 litres to 5000 litres, with operating pressures ranging from 8.0 to 10.0 bar. The innovative design features replaceable membranes, allowing for easy servicing in situ. This unique approach prevents water contact with the steel expansion vessel shell, significantly reducing the risk of internal corrosion and extending the product's lifespan. **Features and Benefits:** - **Corrosion-Resistant Design:** The stainless steel bolted flange enhances durability and prevents corrosion. - **Noise Reduction:** An extra-wide membrane opening allows for unrestricted flow, minimising noise generation. - **Internal Protection:** The innovative internal membrane design ensures that water does not contact the steel shell, effectively preventing internal corrosion. - **Comprehensive Capacity Range:** Available in sizes from 2 to 5000 litres, suitable for all heating applications. - **Easy Maintenance:** Each model comes with a replaceable membrane, enabling servicing without removal of the vessel. - **Convenient Pre-Charge Valve:** Easily top up air pressure with the integrated pre-charge valve. - **Exclusively for Heating Applications:** This vessel is specifically designed for heating use only. **Specifications:** - **Capacity:** 100 Litres - **Colour:** Red - **Pre-Set Pressure (Bar):** 1.5 - **Max Pressure (Bar):** 8.0 bar for up to 500 litres; 10.0 bar for 750 litres and above - **Minimum Temperature:** -10°C - **Maximum Temperature:** 99°C - **Height:** 663mm - **Diameter:** 495mm - **Water Connection:** 1" MBSP **Material Construction:** - **Shell:** Epoxy Coated Steel - **Membrane:** EPDM - **Bolted Flange:** Galvanised Steel **Standards and Approvals:** - CE marked according to Directive PED 97/23/CE - TÜV Certified Optimise your heating system’s efficiency and longevity with the Reliance Valves Aquasystem Stainless Steel Expansion Vessel. Perfectly designed for reliable performance, this vessel is an essential component for any heating application.

Emerson Kunkle 337 Safety Relief Valve

The Emerson Kunkle Model 337 safety relief valve is designed to safeguard low to medium pressure, high volume blowers, compressors, conveying systems, and bulk hauling trailers and equipment.

As part of our service, we offer complimentary setting and testing of the valve, along with a pressure test certificate for your peace of mind.

**Key Features:**

- **High Capacity Design:** The large nozzle facilitates an impressive flow rate.
- **Enhanced Performance:** Flat bronze valve seats are precision-lapped for optimal functionality.
- **Easy Adjustability:** The warn ring allows for precise opening with minimal pre-opening or simmer.
- **Alignment Correction:** A pivot mechanism between the disc and spring compensates for misalignment and spring side thrust.
- **Manual Testing Convenience:** The Model 337 features a 'lift-pin' device for straightforward manual testing.
- **Robust Construction:** Comes standard with a bronze nozzle and disc, with optional stainless steel trim available.
- **Thorough Inspection:** Each valve undergoes rigorous testing and inspection for pressure settings and leakage.

**Specifications:**
Material: Body - Cast Iron / Nozzle - Bronze
Sizes Available: 2" to 3" (DN50 to DN80)
Connections: NPT Male Inlet x NPT Female Outlet or BSPT Male Inlet x BSPT Female Outlet
Orifice Sizes: 2" - 1.916 Sq. in. / 2.5" - 2.786 Sq. in. / 3" - 4.037 Sq. in.
Medium: Air
Pressure Range: 0.07 to 4.1 barg (1 to 60 psig)
Temperature Range: -29°C to 208°C (-20°F to 406°F)

Niezgodka Type 19.2 Safety Valve - Stainless - Lever

**Product Specification** **Size Options:** - 3/4" x 1.1/2" - 1" x 1.1/2" - 1.1/4" x 1.1/2" - 1.1/2" x 1.1/2" **Connections:** - Screwed BSPP or NPT **Materials:** - **Nozzle:** Stainless Steel - **Spring Bonnet:** Stainless Steel - **Disk:** Available in Metal, Viton, or Nylon (depending on pressure requirements) - **Joints & Seals:** NBR, FPM, EPDM (material selection depends on the model) **Head Type:** - Type A (Gas Tight Lever) **Medium Compatibility:** - Suitable for Steam, Gases, and Liquids **Set Pressure Range:** - 0.05 to 130 Barg (varies by size) **Temperature Range:** - -60 to 280°C **Design Certification:** - TUV Certified **Additional Information:** We offer various other options (refer to downloads) featuring different configurations, including: - (a) O-ring and disk materials - (b) NPT connection variants - (c) Alternative orifice sizes - (d) Different head types For further assistance or to discuss specific requirements, please do not hesitate to contact us.

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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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