Altecnic / Caleffi 314 Series Safety Pressure Relief Valve with Gauge 1/2" x 1/2" M x F 3 Bar - 314430

**Features & Benefits of Double Check Valves** - Double check valves are essential for preventing backflow and back siphonage contamination in domestic homes, public spaces, and commercial buildings. - WRAS approved for use with wholesome (potable) water, with a maximum temperature rating of 85°C. - The compression model is designed with ends that comply with BS EN 1252-2 and is suitable for use with BS EN 1057 R250 (half-hard) copper tubing or female taper threads that meet BS EN 10226-2 standards. - The shell pressure rating for Fig. 250W and Fig. 250CW is PN16, ensuring a maximum inlet/working pressure of 10 bar. - Fully compliant with BS EN 13959 standards for ‘Anti-pollution check valves’, family E type D. **Specification** **Pressure/Temperature Rating** - Shell Pressure: PN16 - Maximum Temperature: 85°C - WRAS approved for use up to 85°C Optimise the health and safety of your water systems with our reliable double check valves that meet stringent UK standards and regulations.

Refrigeration Safety Valve: Essential Protection for Industrial Systems

A refrigeration safety valve is a vital safety feature within industrial refrigeration systems, engineered to prevent overpressure in pressure vessels, pipelines, and various system components. These valves play a crucial role in safeguarding the system from catastrophic failures by venting excess refrigerant whenever the pressure surpasses a predetermined limit.

Our refrigeration safety valves are available with the same dimensions and technical specifications as PARKER Herl Refrigeration Safety Valves, ensuring reliable performance and compatibility.

Specifications

• Sizes: 3/8" to 2.1/2"
• Connections: Flanged or Screwed
• Materials: Steel or Stainless Steel
• Medium: Glycol-based cold brine refrigerant EN 378 p. 1, including NH3, R134a, R290 (propane), R507, and blends with refrigerator oil, as well as neutral gas and liquid media
• Set Pressure: 4 to 63 Barg (dependent on size)
• Temperature Range: -60 to +180 °C Max

Design Notes: Custom designs to alleviate back pressure can also be provided.

Investing in our refrigeration safety valves will enhance the safety and reliability of your industrial refrigeration systems, ultimately ensuring operational efficiency and compliance with relevant safety standards.

A Tri-Clamp gasket, also known as a Tri-Clover gasket, is a sanitary sealing element designed for use between two ferrules within a Tri-Clamp fitting system. These gaskets provide a leak-proof and hygienic seal, making them essential for piping systems in the food, beverage, pharmaceutical, and biotechnology sectors.

Our Tri-Clamp gaskets are specifically manufactured for the Food & Dairy, Chemical, and Pharmaceutical industries, where standard tube and pipe couplings are critical for operational efficiency.

All gaskets are FDA approved and are supplied as Type 2 Lipped as standard, facilitating easy assembly.

Elastomer Gaskets – EPDM, Silicone & VITON®

These gaskets are engineered to ensure a smooth transition throughout the bore when fully assembled. To maintain this quality, all our Elastomer gaskets are produced with a shore hardness of 75/85 IRHD. They comply with FDA regulations concerning rubber and rubber-like materials as specified in Title 21, paragraph 177.2660, and meet Class 1 material classification of the 3A sanitary standards in the USDA and standard 51 of the NSF. Our Elastomer range is also colour coded for easy identification: EPDM = Black/Blue, VITON® = Green, Silicone = White/Clear.

PTFE Solid (Teflon®)

The PTFE Solid gaskets are meticulously manufactured from solid billets of virgin PTFE, possessing a hardness of 60/65 shore D, ensuring precision components with low porosity properties. These gaskets are also produced in accordance with FDA regulations for Teflon® and fluorocarbon resin materials as outlined in Title 21, paragraph 177.1550, suitable for contact with foodstuffs. Additionally, they satisfy Class 1 material classification of the 3A sanitary standards, enabling us to provide custom sizes to meet specific customer requirements, with most requests for non-standard components readily accommodated.

PTFE Envelope (Teflon®)

Envelope gaskets feature a composite construction, combining a PTFE (Teflon®) outer layer with a VITON® filler as standard. This design ensures a seal with a degree of elasticity, delivering excellent sealing properties alongside flexibility. The PTFE component is specified to have a hardness of 60/65 shore D and is crafted from a solid billet of virgin PTFE (Teflon®). This construction minimises the risk of stress cracking in the product contact area, thereby enhancing the aseptic qualities of the sealing system. Envelope gaskets are solely manufactured from compounds that comply with FDA regulations for Teflon® and fluorocarbon resin materials, as stated in Title 21, paragraph 177.1550, suitable for food contact, and also meet the Class 1 material classification of the 3A sanitary standards. We offer special sizes to meet customer needs, and our manufacturing process allows for variations in filler materials and bespoke components as required.