Is the Three-way ball valve "L" with BSP thread, type 5311 suitable for use with aggressive chemicals given its nickel-plated brass body and PTFE sealing?

Three-way ball valve "L" with BSP thread, type 5311 may be suitable for some aggressive chemicals but suitability cannot be assumed without checking specific media compatibility. Why: the valveâs body is nickelâplated brass and the ball is chromeâplated brass . metals that can corrode or suffer dezincification with certain acids, chlorides or ammonia. Seals are PTFE (good chemical resistance) and stem seals are NBR (limited resistance to oils, ketones, strong acids, and some solvents). Operating range is â10Â°C to +110Â°C, and working pressure varies with temperature. Recommendation: consult a chemical compatibility chart for brass, chrome plating, nickel plating, PTFE and NBR against the exact chemical, concentration and temperature you plan to handle. For strongly oxidizing acids, chlorinated solvents, hydrogen sulfide, seawater/brine, or highâtemperature aggressive organics, consider stainless steel or special alloy valves and FKM/EPDM/FFKM or full PTFE-lined options. Also verify required certification and safety margins despite PED compliance.

Can the Three-way ball valve "L" with BSP thread, type 5311 be used safely in food processing given its nickel-plated brass body and PTFE seals?

Three-way ball valve "L" with BSP thread, type 5311 is not ideal for direct use in food processing. Nickelâplated brass body and chromeâplated brass ball can corrode or leach under some food media, and nickel/chrome plating may not meet food contact regulations. PTFE seals are generally food-compatible, but stem NBR may have limited resistance to certain oils/cleaning agents and may not be foodâgrade. The valve is specified for industrial media (air, gases, water, chemicals, petrochemical) and meets PED 2014/68/EU, but PED compliance does not guarantee foodâcontact suitability. For food processing choose components certified for food contact (e.g., stainless steel 316L, FDA/ECâcompliant seals). If you must use this valve, obtain material certificates and foodâgrade seal options and confirm with supplier.

Does the Three-way ball valve "L" with BSP thread, type 5311 comply with PED 2014/68/EU for industrial pressure systems?

Yes. Three-way ball valve "L" with BSP thread, type 5311 complies with the PED 2014/68/EU for industrial pressure systems, per the provided product description stating it meets the requirements of the PED Directive 2014/68/EU. Compliance applies within the stated operating limits (working pressure dependent on temperature; operating temperature -10Â°C to +110Â°C) and assuming correct application for permitted media (air, gases, water, chemicals, petrochemical products) with due consideration of chemical compatibility of body, ball and sealing materials (nickel-plated brass body, chrome-plated brass ball, PTFE ball sealing, NBR stem sealing) and correct BSP female thread connections.

Three-way ball valve “L” with BSP thread, type 5311

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Additional information

Material	B – brass (bronze)

Universal ball valve type 5311, L configuration, 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: NBR. Connection: BSP female thread. Operating temperature: from -10°C to +110°C.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
RV-5311-006	Three-way ball valve "L" BSP 1/4", brass, aluminum lever	-	55	In stock	Enquiry
RV-5311-010	Three-way ball valve "L" BSP 3/8", brass, aluminum lever	-	55	In stock	Enquiry
RV-5311-013	Three-way ball valve "L" BSP 1/2", brass, aluminum lever	-	50	In stock	Enquiry
RV-5311-019	Three-way ball valve "L" BSP 3/4", brass, aluminum lever	-	50	In stock	Enquiry
RV-5311-025	3-way ball valve "L" BSP 1", brass, aluminum lever	-	45	In stock	Enquiry
RV-5311-032	Three-way ball valve "L" BSP 1.1/4", brass, aluminum lever	-	35	In stock	Enquiry
RV-5311-038	Three-way ball valve "L" BSP 1.1/2", brass, aluminum lever	-	35	In stock	Enquiry
RV-5311-050	3-way ball valve "L" BSP 2", brass, aluminum lever	-	35	In stock	Enquiry

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Universal ball valve type 5311, L configuration, 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: NBR. Connection: BSP female thread. Operating temperature: from -10°C to +110°C.