Does the STOP STP-B brass pneumatic shut-off valve with plug-in connectors require a specific mounting orientation for reliable operation?

No . the STOP STP-B brass pneumatic shut-off valve with plug-in connectors does not require a specific mounting orientation for reliable operation. Its design (nickel-plated brass body, NBR sealing) and function as a safety valve for actuator supply allow it to operate correctly in typical installations as long as: - It is installed in the actuatorâs supply line so it controls flow according to the pneumatic control signal. - Operating limits are respected: pressure 0.5â10 bar and temperature â10Â°C to +60Â°C. - Connections are properly made using the plug-in connectors and seals are intact. Ensure normal good-practice installation (secure fittings, protection from extreme contamination or mechanical stress) and the valve will reliably stop the actuator when control pressure drops.

Can the STOP STP-B brass pneumatic shut-off valve with plug-in connectors be used with gases other than compressed air?

The STOP STP-B brass pneumatic shut-off valve with plug-in connectors is designed and specified for use with compressed air. Its materials (nickel-plated brass body, NBR seals), pressure range (0.5â10 bar) and temperature limits (â10Â°C to +60Â°C) make it suitable primarily for air systems. Use with other gases is not recommended without manufacturer confirmation: NBR seals may be incompatible with some gases (e.g., hydrocarbons, aggressive or oxygen-rich gases), and safety certifications and leak/flammability considerations differ by gas. Before using with any gas other than compressed air, consult the manufacturer for compatibility, suitable seal materials and applicable safety approvals.

Is the STOP STP-B brass pneumatic shut-off valve with plug-in connectors suitable for high-cycling applications?

The STOP STP-B brass pneumatic shut-off valve with plug-in connectors is primarily designed as a safety valve to allow air flow only when a pneumatic control signal is present and to stop the actuator when control pressure drops. Key specifications: operating pressure 0.5â10 bar, temperature -10Â°C to +60Â°C, nickel-plated brass body, NBR sealing. Suitability for high-cycling applications depends on factors not fully specified in the description: - Materials (nickel-plated brass body and NBR seals) are commonly durable, but NBR can wear faster under very frequent cycles or at temperature extremes near its limits. - No explicit cycle-life, response-time, or duty-cycle ratings are provided, nor are data on wear parts, lubrication, or intended switching frequency. - Operating pressure and temperature ranges are adequate for many pneumatic systems, but high cycling increases thermal and mechanical stress potentially reducing seal life. Conclusion: The STOP STP-B brass pneumatic shut-off valve with plug-in connectors may work in moderate cycling applications, but without explicit cycle-life or high-frequency rating from the manufacturer it cannot be recommended for heavy/high-cycling duty. For high-cycling use, obtain manufacturer cycle-life data or choose a valve explicitly rated for high cycle counts and compatible seal material (e.g., FKM/EPDM or special long-life seals).

STOP STP-B brass pneumatic shut-off valve with plug-in connectors

All products, Pneumatic valves/

Additional information

Material	B – brass (bronze)

STOP shut-off valve series STP-B with plug connections used mainly as a safety valve. When installed on the actuator’s supply connections, it allows air flow only in the presence of a pneumatic control signal. The actuator is stopped after a drop in control pressure. Operating pressure: 0.5 ÷ 10 bar. Operating temperature: from -10°C to +60°C. Body material: nickel-plated brass. Sealing: NBR.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
MW-W6001101106	STOP valve STP-B, hose 6 mm / GZ 1/8", pilot hose 4 mm	-	10	In stock	Enquiry
MW-W6001111106	STOP valve STP-B, hose 6 mm / GZ 1/4", pilot hose 4 mm	-	10	In stock	Enquiry
MW-W6001111108	STOP valve STP-B, hose 8 mm / GZ 1/4", pilot hose 4 mm	-	10	In stock	Enquiry
MW-W6001121108	STOP valve STP-B, hose 8 mm / GZ 3/8", pilot hose 4 mm	-	10	In stock	Enquiry
MW-W6001121110	STOP valve STP-B, hose 10 mm / GZ 3/8", pilot hose 4 mm	-	10	In stock	Enquiry
MW-W6001131112	STOP valve STP-B, hose 12 mm / GZ 1/2", pilot hose 4 mm	-	10	In stock	Enquiry

Do you need a larger quantity of products or a bespoke quote?

Call us: +48 61 653 02 22 or email us: tubes@tubes-international.com

SEND ENQUIRY

STOP shut-off valve series STP-B with plug connections used mainly as a safety valve. When installed on the actuator’s supply connections, it allows air flow only in the presence of a pneumatic control signal. The actuator is stopped after a drop in control pressure. Operating pressure: 0.5 ÷ 10 bar. Operating temperature: from -10°C to +60°C. Body material: nickel-plated brass. Sealing: NBR.