Norgren 8474300.0000.00000 Valve - Stainless Steel G3/4
Part Number: 8474300.0000.00000
Quick Summary
8474300.0000.00000 Valve is a stainless steel flow control device for gas and liquid systems. Users often face leaks, downtime, and unpredictable closures in contaminated or vacuum-prone lines. This valve integrates a damped closing action, a visual position indicator, and a PTFE seat seal, enabling reliable operation from -10 to 60 °C and 0 to 8 bar. Its 2/2 NC valve operation and G3/4 port size ensure straightforward installation and compatibility with common manifolds. The result is reduced maintenance, longer service life, and predictable process control, helping engineering teams meet tight production schedules and regulatory expectations while maintaining safe, compliant fluid handling.
Product Information
Extended Description
8474300.0000.00000 Norgren: Visual position indicator as standard | Dampened closing (closes against flow direction) | Suitable for contaminated flow fluids | Suitable for vacuum up to max. 90% | Reversed flow direction optional
Medium
Gases, Liquids
Operating Temperature
-10 ... 60 °C, 14 ... 140 °F
Operating Pressure
0 ... 8 bar, 0 ... 116 psi
Port Size
G3/4
Function
NC
Valve operation
2/2
Materials - Body
Stainless steel
Materials - Seat Seal
PTFE
Range
84740
Brand
IMI Buschjost
Stainless steel body and PTFE seat seal deliver excellent corrosion resistance and long service life in both gaseous and liquid service. This translates to lower replacement costs and fewer unplanned outages, especially in aggressive media or washdown environments where reliability matters for asset uptime. Visual position indicator and damped closing reduce commissioning time and system misalignment risks. Operators can confirm valve status at a glance and close calmly against flow direction, minimizing pressure surge and wear on downstream equipment. 2/2 NC operation with G3/4 port size provides straightforward integration into standard manifolds and piping systems. The 0–8 bar operating range and -10 to 60 °C temperature tolerance cover most process lines, delivering consistent performance without requiring special cabinets or cooling. Designed for contaminated fluids and even vacuum up to 90%, this valve offers robust performance in challenging process streams. The PTFE seat preserves seal integrity, while stainless steel construction supports frequent cleaning and sanitization cycles common in hygienic or pharmaceutical-adjacent applications. Ease of installation and compatibility with common automation hardware reduces total cost of ownership. The valve aligns with industry norms for port size, mounting footprints, and maintenance intervals, helping engineers optimize spare parts stock, reduce downtime, and meet safety and environmental regulations.
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FAQs
For reliable installation, mount the valve on standard G3/4 piping using compatible manifolds or brackets. Ensure a horizontal or vertical orientation that maintains accessibility to the visual indicator, and place the valve in a location protected from impact and extreme heat. Use proper seals and compatible fittings to preserve the PTFE seat seal and 2/2 NC operation during commissioning.
The PTFE seat seal provides excellent chemical resistance and low friction, reducing wear and leakage in both gases and liquids. In combination with the stainless steel body, this delivers longer service life, cleaner shutoff, and reliable performance under contaminated fluids or frequent washdowns typical in industrial plants.
Applications requiring smooth pressure control and reliable stop/start sequences benefit most. The damped closing minimizes hydraulic shock, protecting downstream equipment, while the visual indicator enables quick status checks during routine maintenance or changeovers, reducing commissioning time and operator error in automated lines.
Yes. The design supports contaminated fluid lines, and the valve can operate in vacuum conditions up to approximately 90% downstream backpressure. The combination of stainless steel construction, PTFE seating, and a robust actuation scheme ensures dependable performance in challenging process streams without compromising shutoff integrity.
The stainless steel body resists corrosion and enables frequent cleaning, extending service life in harsh environments. The PTFE seat seal maintains seal integrity, reducing leak-related maintenance. With simple 2/2 NC operation and standard G3/4 porting, routine inspections, and spare parts stock are straightforward, supporting lower total cost of ownership and improved asset uptime.