Can the Spring check valve with GW BSP, type 2281 be used for aggressive chemicals given its brass body and FKM seal?

Spring check valve with GW BSP, type 2281 has a brass body and FKM (Viton) disc seal. The product description states suitability for air, gases, water, chemicals and petrochemical products âconsidering the chemical resistance of the valve material.â That means it can be used with many aggressive chemicals, but compatibility depends on the specific fluid, concentration and temperature. Brass is susceptible to dezincification and corrosion with ammonia, strong acids, chlorides and certain hydrocarbons. AISI 302 spring offers limited corrosion resistance compared with stainless grades like 316. FKM seals are broadly resistant to oils, fuels, many organic solvents and elevated temperatures (â10 to +90 Â°C operating range given), but attacked by ketones (e.g. acetone), strong amines, and some hot caustics. Recommendation: do not assume universal compatibility. For any aggressive chemical, cross-check each media (including concentration and max operating temperature) against brass, AISI 302 and FKM chemical compatibility data or consult the valve manufacturer. If the chemical is known to attack brass, stainless spring or FKM, select a valve with more suitable materials (e.g. stainless steel body, higher-grade spring, PTFE/EPDM seal).

Is the Spring check valve with GW BSP, type 2281 suitable for high-temperature fluids up to 90Â°C?

Yes. Spring check valve with GW BSP, type 2281 is suitable for high-temperature fluids up to 90Â°C - its specified operating temperature range is -10Â°C to +90Â°C. Ensure the fluid is chemically compatible with the valve materials (brass body and disc, AISI 302 spring, FKM sealing) before use.

Does the Spring check valve with GW BSP, type 2281 require orientation limits despite being installable in any position?

Spring check valve with GW BSP, type 2281 does not require specific orientation limits for installation. The design and manufacturer description state it "can be installed in any position, according to the flow direction indicated on the body." However, a few practical considerations should be noted: - Ensure correct flow direction: install following the arrow on the body to prevent improper operation. - Respect medium compatibility: body (brass), disc (brass), spring (AISI 302) and FKM seal must be chemically compatible with the fluid. - Consider gravity effects in extreme orientations: although rated for any position, very slow-flow or intermittent flow combined with vertical orientations may affect seating dynamics or promote wear if debris accumulates. - Observe operating limits: operating temperature -10Â°C to +90Â°C, maximum working pressure across the stated range, and minimum opening pressures (0.02 bar for 3/8"â2Â½", 0.1 bar for 3"â4"). - Threaded connection: ensure proper sealing of BSP threaded connection and correct mechanical support to avoid stress on the valve. In summary, no fixed orientation limits are required for Spring check valve with GW BSP, type 2281, but follow flow direction, material compatibility, operating limits and good installation practice.

Spring check valve with GW BSP, type 2281

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Additional information

Material	B – brass (bronze)

Universal check valve type 2281 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: brass. Disc sealing: FKM. 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-2281-013	Check valve type 2281 GW/GW BSP 1/2"	12	35	In stock	Enquiry
RV-2281-019	Check valve type 2281 GW/GW BSP 3/4"	20	35	In stock	Enquiry
RV-2281-025	Check valve type 2281 GW/GW BSP 1"	25	35	In stock	Enquiry
RV-2281-032	Check valve type 2281 GW/GW BSP 1.1/4"	32	25	In stock	Enquiry
RV-2281-038	Check valve type 2281 GW/GW BSP 1.1/2"	38	25	In stock	Enquiry
RV-2281-050	Check valve type 2281 GW/GW BSP 2"	50	25	In stock	Enquiry
RV-2281-065	Check valve type 2281 GW/GW BSP 2.1/2"	65	12	In stock	Enquiry
RV-2281-075	Check valve type 2281 GW/GW BSP 3"	75	12	In stock	Enquiry
RV-2281-100	Check valve type 2281 GW/GW BSP 4"	100	12	In stock	Enquiry

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Universal check valve type 2281 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: brass. Disc sealing: FKM. 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″.