Can the Spring check valve with GW BSP, type 2280 be used for aggressive chemicals considering its brass body and NBR sealing?

Spring check valve with GW BSP, type 2280 may be used with some chemicals but not all. The valve materials.brass body, AISI 302 spring, POM disc and NBR sealing.limit chemical compatibility: NBR (nitrile) resists many oils, fuels, water and some dilute acids/alkalis but is attacked by strong acids, ketones, chlorinated solvents, aromatic hydrocarbons and some aprotic solvents. Brass can suffer dezincification and corrosion in presence of ammonia, some acids, seawater and aggressive chemical media. AISI 302 stainless spring offers moderate corrosion resistance but is not suitable for highly chlorinated or strongly oxidizing environments. POM (acetal) is chemically resistant to many hydrocarbons and solvents but can be softened by strong acids and halogenated solvents. Therefore, before using Spring check valve with GW BSP, type 2280 with aggressive chemicals you must: - Check the specific chemical compatibility of NBR, brass, AISI 302 and POM with the exact chemical, concentration and temperature. - Consider alternative materials (e.g., FKM/EPDM seals, stainless or special alloys, PTFE components) if the chemical is known to be aggressive. If compatibility is not confirmed, do not use the valve with aggressive chemicals.

Is the Spring check valve with GW BSP, type 2280 suitable for corrosive media given its brass body and NBR seal?

Spring check valve with GW BSP, type 2280 may be used with corrosive media only if the specific chemicals are compatible with its materials: brass body, AISI 302 spring, POM disc and NBR (nitrile) seal. Brass is susceptible to dezincification and corrosion by ammonia, strong acids, chlorides and some seawater; AISI 302 stainless steel has limited corrosion resistance compared with higher-grade stainless (susceptible in chloride environments); POM resists many solvents but can be attacked by strong oxidizers and some chlorinated hydrocarbons; NBR is not suitable for many aggressive chemicals (strong acids, ketones, aromatic hydrocarbons, chlorinated solvents). Therefore, for corrosive media you must verify chemical compatibility for each fluid and temperature; if incompatibilities exist, select a valve with corrosion-resistant materials (e.g., bronze/SS body, higher-grade SS spring, FKM/EPDM/FFKM seals) instead.

Does the Spring check valve with GW BSP, type 2280 resist strong solvents and petrochemicals given its brass body and NBR seal?

Spring check valve with GW BSP, type 2280 has a brass body and NBR (nitrile) seal; these materials give it general compatibility with many media but impose clear limits regarding strong solvents and petrochemicals. Brass: good for water, air, many nonâaggressive chemicals and some hydrocarbons, but it is susceptible to dezincification in certain aggressive aqueous environments (ammonia, acids, some alkaline solutions) and can be attacked by strong acids, halogenated solvents and certain petrochemicals over time. NBR (nitrile) seal: excellent resistance to mineral oils, fuels, and many hydrocarbons (common petrochemical products) and good mechanical properties, but limited resistance to aromatic and chlorinated solvents (e.g., toluene, xylene, trichloroethylene), strong oxidizers, ketones (acetone), and some esters. NBRâs usable temperature range (-10Â°C to +90Â°C) also constrains exposure at higher temperatures where chemical attack can accelerate. POM disc and AISI 302 spring: POM (polyoxymethylene) is chemically resistant to many hydrocarbons and neutral aqueous solutions but can be degraded by strong acids and some solvents; AISI 302 spring offers general corrosion resistance but is not as resistant as higherâgrade stainless steels in aggressive chemical environments. Conclusion: Spring check valve with GW BSP, type 2280 may be suitable for many petrochemical products (especially mineral oils and fuels) but is not broadly resistant to strong solvents (particularly aromatic, chlorinated solvents, ketones, strong acids or oxidizers). For service with aggressive solvents or harsh petrochemicals, validate compatibility against specific chemicals, concentrations and temperatures. consider alternative seal materials (e.g., FKM/Viton, PTFE) and higherâgrade body/spring materials if needed.

Spring check valve with GW BSP, type 2280

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Material	B – brass (bronze)

Universal check valve type 2280 intended for industrial installations, can be used for air, gases, water, chemicals, petrochemical products, etc., considering the chemical resistance of the valve material. The valve can be installed in any position, according to the flow direction indicated on the body. Maximum constant working pressure across the full temperature range. Body material: brass. Spring material: AISI 302 steel. Disc: POM. Disc sealing: NBR. Connection: BSP thread. Operating temperature: from -10°C to +90°C. Minimum opening pressure: 0.02 bar for 3/8″ to 2.1/2″; 0.1 bar for 3″ to 4″.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
RV-2280-010	Check valve type 2280 GW/GW BSP 3/8"	10	16	In stock	Enquiry
RV-2280-013	Check valve type 2280 GW/GW BSP 1/2"	12	16	In stock	Enquiry
RV-2280-019	Check valve type 2280 GW/GW BSP 3/4"	20	16	In stock	Enquiry
RV-2280-025	Check valve type 2280 GW/GW BSP 1"	25	16	In stock	Enquiry
RV-2280-032	Check valve type 2280 GW/GW BSP 1.1/4"	32	10	In stock	Enquiry
RV-2280-038	Check valve type 2280 GW/GW BSP 1.1/2"	38	10	In stock	Enquiry
RV-2280-050	Check valve type 2280 GW/GW BSP 2"	50	10	In stock	Enquiry
RV-2280-065	Check valve type 2280 GW/GW BSP 2.1/2"	65	8	In stock	Enquiry
RV-2280-075	Check valve type 2280 GW/GW BSP 3"	75	8	In stock	Enquiry
RV-2280-100	Check valve type 2280 GW/GW BSP 4"	100	8	In stock	Enquiry

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Universal check valve type 2280 intended for industrial installations, can be used for air, gases, water, chemicals, petrochemical products, etc., considering the chemical resistance of the valve material. The valve can be installed in any position, according to the flow direction indicated on the body. Maximum constant working pressure across the full temperature range. Body material: brass. Spring material: AISI 302 steel. Disc: POM. Disc sealing: NBR. Connection: BSP thread. Operating temperature: from -10°C to +90°C. Minimum opening pressure: 0.02 bar for 3/8″ to 2.1/2″; 0.1 bar for 3″ to 4″.