Niezgodka Type 140 Safety Valve - Stainless & Special Alloys

**PREL100001 High Capacity Sealed Heating System Pressure Relief Valve** The PREL100001 High Capacity Sealed Heating System Pressure Relief Valve is engineered to safely discharge water from the system at a specified pressure, effectively mitigating risks associated with over-pressurisation—particularly beneficial for larger capacity systems. The Reliance Valves 100 Series Pressure Relief Valves, crafted from hot pressed brass, are primarily designed to safeguard closed-circuit wet heating systems from excessive pressure build-up. **Product Features:** - **High Flow Design:** Specifically tailored for larger capacity systems, ensuring effective water discharge. - **Optimised Outlet Size:** The outlet is intentionally larger than the inlet to facilitate elevated discharge flow rates. - **Overpressure Protection:** Provides essential protection against over-pressurisation in wet heating systems, ensuring system longevity and safety. - **Enhanced Scale Resistance:** The diaphragm design improves resistance to scale, enhancing the valve's performance and durability. - **Cartridge Design:** Simplifies maintenance by allowing easy servicing and replacement without needing to reset the response pressure. - **Versatile Pressure Range:** Adjustable pressure settings from 2.5 to 5.0 bar accommodate various system requirements, with the specific response pressure clearly indicated on the twist cap. - **Increased Discharge Capacity:** The high lift design significantly boosts discharge capability, making it ideal for demanding applications. - **Heating Applications Only:** Specifically designed for heating systems, ensuring optimal performance. **Specifications:** - **Size:** 1/2" x 3/4" - **Connections:** BSP Female Inlet x BSP Female Outlet - **Materials:** Hot pressed DZR Brass - **Medium:** Water - **Set Pressure:** 3 Barg - **Temperature Rating:** Up to +140°C - **Product Code:** PREL100001 - **Certification:** WRAS approved Upgrade your heating system's safety and efficiency with the PREL100001 High Capacity Sealed Heating System Pressure Relief Valve—your trusted solution for reliable pressure management.

Product Specifications

Sizes Available: 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: S.G. Iron
• Disc: Metal, Viton, or Nylon (varies by pressure)
• Joints & Seals: NBR, FPM, EPDM (dependent on model)

Head Type: A (Gas-tight Lever)

Suitable Mediums: Steam, Gases, and Liquids

Set Pressure Range: 0.05 to 130 Barg (depending on size)

Temperature Range: -10 to 280 degrees Celsius

Design Certification: TUV

Additional Information: We offer various other options (please refer to downloads), including different (a) O-ring and disc materials, (b) NPT connections, (c) orifice sizes, and (d) head types. For further details, please get in touch with us.

Optimised for SEO: Explore our premium pressure relief valves available in multiple sizes and materials, expertly crafted for reliability in handling steam, gases, and liquids.

Four-Port, Brass Barstock, High Flow Pipeline Regulator for High Purity Inert Gas Applications

The CONCOA 483 Series regulator is designed for high flow inert gas applications, including bulk gas distribution, high purity chamber pressurization, and liquefied hydrocarbon analysis. Its internal pressure equalization minimizes delivery pressure variations typical in pipeline systems. Rated to full cylinder pressure, the 483 Series ensures safe operation even in the event of primary pressure control failure.

Features

• Balanced stem seat design maintains constant delivery pressure at high flows

• Rear panel mount simplifies installation

• Pipe-away relief valve safely vents exhaust gases

• Spectrometric helium leak check confirms leak integrity

Specifications

• Max inlet pressure (bare body): 3000 PSIG (210 BAR)

• Body: Brass barstock

• Bonnet: Chrome-plated, die-cast zinc

• Gauge: 2 in (50 mm) diameter brass

• Seat: PCTFE

• Filter: 40‑micron 316L stainless steel mesh

• Temperature range: -40°F to 140°F (-40°C to 60°C)

• Diaphragm: 316L stainless steel

• Cv: 1.0

• Helium leak integrity: 1×10⁻⁸ scc/sec

• Internal seals: PTFE

• Ports (bare body): 1/2 in FNPT (inlet/outlet); 1/4 in FNPT (gauge/relief valve)

• Conformances: CGA G‑4.1, ANSI/ASME B40.1, PED 2014/68/EU, CRN OH5216