Is the Ball valve with aluminum butterfly with GZ BSPT, type 4424 suitable for aggressive chemicals at 120Â°C given its nickel-plated brass body and PTFE sealing?

Ball valve with aluminum butterfly with GZ BSPT, type 4424 . suitability for aggressive chemicals at 120Â°C: Short answer: Not recommended without chemical compatibility verification. Why: The valve materials are nickel-plated brass body and chrome-plated brass ball, with PTFE ball sealing and FKM+NBR stem sealing. While the operating temperature range (-20Â°C to +150Â°C) covers 120Â°C, aggressive chemicals can attack brass (dezincification, corrosion) and elastomers (FKM, NBR) depending on chemical type and concentration. PTFE sealing has excellent chemical resistance and tolerates 120Â°C, but the metal wetted parts (nickelâplated brass, chromeâplated brass) may fail in strong acids, chlorides, ammonia, some hydrocarbons or oxidizers. FKM and NBR have limited resistance to certain solvents and highâtemperature chemical exposure. Recommendation: Identify the exact chemicals, concentrations and pressures involved and consult detailed chemical compatibility charts or the valve manufacturer. For many aggressive media at 120Â°C, valves made of stainless steel (316/316L), Monel, Hastelloy or highâgrade alloys with appropriate seals may be required.

Can the Ball valve with aluminum butterfly with GZ BSPT, type 4424 be used for steam or hot gases at 140Â°C considering its materials and seals?

Ball valve with aluminum butterfly with GZ BSPT, type 4424 - based on the provided data, it is rated for operation up to +150Â°C and uses PTFE seats, FKM + NBR stem seals, nickelâplated and chromeâplated brass body/ball, and an aluminum lever. For steam or hot gases at 140Â°C: temperature is within the stated limit, but suitability depends on media specifics (wet steam vs. dry steam), pressure at that temperature (working pressure falls with temperature), and chemical compatibility. PTFE and FKM can withstand 140Â°C (NBR less so-NBR max ~100Â°C), so NBR in stem sealing may degrade if exposed to 140Â°C continuously. Brass components and plating tolerate 140Â°C, but steam corrosion/erosion and pressure must be checked. Conclusion: technically possible for short-term or controlled dry conditions, but not recommended for continuous steam exposure at 140Â°C without verifying operating pressure, replacing NBR with highâtemperature elastomer or confirming seal arrangement, and consulting manufacturer/PED documentation.

Can Ball valve with aluminum butterfly with GZ BSPT, type 4424 be used for potable water systems at 50Â°C?

Ball valve with aluminum butterfly with GZ BSPT, type 4424. based on the provided specification. can be used for potable water systems at 50Â°C with important reservations. Argumenty za: - Zakres temperatur pracy obejmuje 50Â°C (-20Â°C do +150Â°C). - MateriaÅy gÅÃ³wne (nickel-plated brass body, chrome-plated brass ball) sÄ powszechnie stosowane w instalacjach wodnych. - Uszczelnienia PTFE (ball) oraz kombinacja FKM + NBR (stem) sÄ odporne na wodÄ w typowych warunkach. ZastrzeÅ¼enia/warunki: - âPotable waterâ wymaga zgodnoÅci z normami i dopuszczeniami dla wody pitnej (np. NSF/ANSI, WRAS, KTW itp.). Dostarczone dane nie wskazujÄ takich certyfikatÃ³w. brak informacji o atestach dla wody pitnej. - Aluminium lever (butterfly) w kontakcie z wodÄ moÅ¼e korodowaÄ w specyficznych warunkach; zwykle dÅºwignia nie jest czÄÅciÄ majÄcÄ kontakt z medium, lecz warto to uwzglÄdniÄ. - PTFE, FKM i NBR sÄ ogÃ³lnie kompatybilne z wodÄ przy 50Â°C, lecz dÅugoterminowa odpornoÅÄ zaleÅ¼y od jakoÅci i mieszanki elastomerÃ³w oraz chlorowania/uzdatniania wody. - Praca pod ciÅnieniem przy 50Â°C: sprawdziÄ charakterystykÄ ciÅnieniowo-temperaturowÄ producenta (working pressure spada wraz z temperaturÄ); brak konkretnych wartoÅci ciÅnienia w opisie. Rekomendacja: - JeÅli instalacja wymaga certyfikatÃ³w dla wody pitnej. uzyskaÄ od producenta dokumenty potwierdzajÄce zgodnoÅÄ z wymaganymi normami. - ZweryfikowaÄ dopuszczalne ciÅnienie robocze przy 50Â°C dla tego typu zaworu. - Przy braku atestÃ³w do wody pitnej nie zaleca siÄ stosowania do systemÃ³w wody pitnej. W skrÃ³cie: technicznie moÅ¼liwe, ale wymaga potwierdzenia atestÃ³w dla wody pitnej i parametrÃ³w ciÅnieniowo-temperaturowych przed zastosowaniem.

Ball valve with aluminum butterfly with GZ BSPT, type 4424

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Additional information

Material	B – brass (bronze)

Universal ball valve type 4424 intended for industrial installations. It can be used for air, gases, water, chemicals, petrochemical products, etc., considering the chemical resistance of the valve material and sealing. It meets the requirements of the PED directive 2014/68/EU. The working pressure depends on the operating temperature. Body material: nickel-plated brass. Ball material: chrome-plated brass. Lever material: aluminum. Ball sealing: PTFE. Stem sealing: FKM + NBR. Connection: GZ BSPT. Operating temperature: from -20°C to +150°C.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
RV-4424-13	Ball valve type 4424 GZ BSPT 1/2", brass, aluminum butterfly lever	-	64	In stock	Enquiry
RV-4424-19	Ball valve type 4424 GZ BSPT 3/4", brass, aluminum butterfly lever	-	40	In stock	Enquiry
RV-4424-25	Ball valve type 4424 GZ BSPT 1", brass, aluminum butterfly lever	-	40	In stock	Enquiry

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Universal ball valve type 4424 intended for industrial installations. It can be used for air, gases, water, chemicals, petrochemical products, etc., considering the chemical resistance of the valve material and sealing. It meets the requirements of the PED directive 2014/68/EU. The working pressure depends on the operating temperature. Body material: nickel-plated brass. Ball material: chrome-plated brass. Lever material: aluminum. Ball sealing: PTFE. Stem sealing: FKM + NBR. Connection: GZ BSPT. Operating temperature: from -20°C to +150°C.