Is the Ball Valve with Aluminum Handle, BSP Thread, Type 4190 suitable for use with petrochemical fluids at -10°C to +120°C and what seals ensure compatibility?

Yes. The Ball Valve with Aluminum Handle, BSP Thread, Type 4190 is suitable for petrochemical fluids over the range −10°C to +120°C, provided the fluid is compatible with the valve materials and seals specified. The valve is rated for operation from −20°C to +150°C, so your requested temperature range lies well within its certified limits. Compatibility is ensured by the following seals: - PTFE (polytetrafluoroethylene) for the ball sealing — excellent chemical resistance and suitable across your temperature range; - FKM (fluoroelastomer) for stem sealing — good resistance to many petrochemical fluids and temperatures up to the upper limit; - NBR (nitrile rubber) as an alternative stem seal — suitable for many oils and hydrocarbons but with more limited high-temperature and chemical resistance than FKM. Recommendation: verify the specific petrochemical fluid’s compatibility with PTFE and with your chosen stem seal (FKM preferred for broader petrochemical compatibility). Also confirm required pressure ratings at operating temperature per the valve’s datasheet/PED certification.

Can the Ball Valve with Aluminum Handle, BSP Thread, Type 4190 be used in high-pressure gas systems and what maintenance is recommended to ensure long-term tightness?

Can the Ball Valve with Aluminum Handle, BSP Thread, Type 4190 be used in high-pressure gas systems and what maintenance is recommended to ensure long-term tightness? Yes — the Ball Valve with Aluminum Handle, BSP Thread, Type 4190 can be used in gas systems, including higher-pressure applications, provided two conditions are met: the working pressure does not exceed the valve’s pressure rating at the given operating temperature, and the gas and system conditions are chemically compatible with the valve materials (nickel‑plated brass body, chrome‑plated brass ball, PTFE seat, FKM/NBR stem seals). The valve is PED 2014/68/EU certified, which supports use in regulated pressure applications when installed within its specified limits. Recommended maintenance to ensure long-term tightness: - Verify application limits: confirm pressure rating vs. operating temperature before installation. - Regular inspections: visually inspect for leaks, corrosion or external damage at scheduled intervals depending on service severity. - Leak testing: perform pressure/leak tests after installation and periodically during service. - Operate periodically: cycle the valve occasionally to prevent seat sticking and maintain seal elasticity. - Seal monitoring/replacement: monitor FKM/NBR stem seals and PTFE seats for wear or hardening; replace seals if leakage or degradation is detected. - Clean and purge: keep the valve and lines free of debris and aggressive contaminants that could erode seals or seating surfaces. - Torque and handle check: ensure the aluminum handle and stem fastenings are secure; avoid overtightening which can damage seals. - Follow manufacturer guidelines: adhere to any specific service intervals, spare-part specs and lubrication recommendations from the supplier. Following these precautions and maintenance steps will maximize safety and long-term tightness in gas applications.

Ball Valve with Aluminum Handle, BSP Thread, Type 4190

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Additional information

Material	B – brass (bronze)

The universal ball valve type 4190 is a versatile solution designed for demanding industrial applications, ensuring reliable performance in systems handling air, gases, water, chemicals, and petrochemical products, provided the compatibility of materials and seals is observed. Manufactured with a robust nickel-plated brass body and a chrome-plated brass ball, it guarantees durability and resistance to wear, while the aluminum lever enables precise and effortless operation. High-quality PTFE ball sealing combined with FKM and NBR stem sealing ensures tightness and long-lasting efficiency, even under challenging conditions. With BSP threaded connections, the valve is easy to integrate into various installations, offering flexibility and convenience during assembly. Certified in accordance with the PED directive 2014/68/EU, it meets strict European safety and quality standards. Designed to operate within a wide temperature range from -20°C to +150°C, the valve adapts to diverse working environments, with pressure resistance dependent on operating temperature. This makes the type 4190 ball valve a reliable and cost-effective choice for industries seeking efficiency, safety, and long service life in their fluid control systems.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
RV-4190-006	Ball valve type 4190 GW BSP 1/4", brass, aluminum lever	-	64	In stock	Enquiry
RV-4190-010	Ball valve type 4190 GW BSP 3/8", brass, aluminum lever	-	64	In stock	Enquiry
RV-4190-013	Ball valve type 4190 GW BSP 1/2", brass, aluminum lever	-	64	In stock	Enquiry
RV-4190-019	Ball valve type 4190 GW BSP 3/4", brass, aluminum lever	-	40	In stock	Enquiry
RV-4190-025	Ball valve type 4190 GW BSP 1", brass, aluminum lever	-	40	In stock	Enquiry
RV-4190-032	Ball valve type 4190 GW BSP 1.1/4", brass, aluminum lever	-	40	In stock	Enquiry
RV-4190-038	Ball valve type 4190 GW BSP 1.1/2", brass, aluminum lever	-	40	In stock	Enquiry
RV-4190-050	Ball valve type 4190 GW BSP 2", brass, aluminum lever	-	40	In stock	Enquiry
RV-4190-065	Ball valve type 4190 GW BSP 2.1/2", brass, aluminum lever	-	40	In stock	Enquiry
RV-4190-075	Ball valve type 4190 GW BSP 3", brass, aluminum lever	-	32	In stock	Enquiry
RV-4190-100	Ball valve type 4190 GW BSP 4", brass, aluminum lever	-	25	In stock	Enquiry

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The universal ball valve type 4190 is a versatile solution designed for demanding industrial applications, ensuring reliable performance in systems handling air, gases, water, chemicals, and petrochemical products, provided the compatibility of materials and seals is observed. Manufactured with a robust nickel-plated brass body and a chrome-plated brass ball, it guarantees durability and resistance to wear, while the aluminum lever enables precise and effortless operation. High-quality PTFE ball sealing combined with FKM and NBR stem sealing ensures tightness and long-lasting efficiency, even under challenging conditions. With BSP threaded connections, the valve is easy to integrate into various installations, offering flexibility and convenience during assembly. Certified in accordance with the PED directive 2014/68/EU, it meets strict European safety and quality standards. Designed to operate within a wide temperature range from -20°C to +150°C, the valve adapts to diverse working environments, with pressure resistance dependent on operating temperature. This makes the type 4190 ball valve a reliable and cost-effective choice for industries seeking efficiency, safety, and long service life in their fluid control systems.