Does the STOP STP-B Brass Pneumatic Shut-Off Valve with Quick Plug Connectors prevent actuator movement if supply pressure drops below safe levels?

Yes. The STOP STP-B Brass Pneumatic Shut-Off Valve with Quick Plug Connectors is designed to prevent actuator movement if supply pressure drops below safe levels. Installed directly on the actuator’s supply connections, it permits airflow only when a pneumatic control signal is present; if a pressure drop occurs, the valve instantly stops the actuator, providing an additional safety layer to prevent unplanned movement. The unit operates reliably across 0.5–10 bar and −10°C to +60°C, with a durable nickel-plated brass body and NBR seals for tightness and longevity.

How quickly does the STOP STP-B Brass Pneumatic Shut-Off Valve with Quick Plug Connectors respond to a sudden pressure drop to stop the actuator?

The STOP STP-B Brass Pneumatic Shut-Off Valve with Quick Plug Connectors responds essentially instantaneously: when a sudden pressure drop is detected, it immediately cuts airflow to the actuator and stops motion. Designed to be installed directly on the actuator supply, the valve permits flow only while the pneumatic control signal is present, ensuring immediate response to loss of pressure and preventing unplanned movements.

STOP STP-B Brass Pneumatic Shut-Off Valve with Quick Plug Connectors

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Additional information

Material	B – brass (bronze)

The STOP shut-off valve series STP-B with plug connections is a reliable safety component designed to ensure maximum control and protection in pneumatic systems. Installed directly on the actuator’s supply connections, it permits airflow exclusively when a pneumatic control signal is present, guaranteeing precise operation and immediate response. In the event of a pressure drop, the actuator is instantly stopped, providing an additional layer of safety and preventing unplanned movements. Engineered for versatility, the valve operates within a pressure range of 0.5 to 10 bar and withstands temperatures from -10°C to +60°C, making it suitable for diverse industrial environments. The robust body made of nickel-plated brass ensures durability and resistance to wear, while high-quality NBR sealing delivers reliable tightness and long-lasting performance. Compact, efficient, and easy to integrate, the STP-B series is the ideal solution for enhancing safety, reliability, and operational efficiency in modern pneumatic applications.

List of product variants

Article number	Product variant name	Nominal inner diameter	Working pressure [bar]
MW-W6001101106	STOP valve STP-B, hose 6 mm / GZ 1/8", pilot hose 4 mm	-	10
MW-W6001111106	STOP valve STP-B, hose 6 mm / GZ 1/4", pilot hose 4 mm	-	10
MW-W6001111108	STOP valve STP-B, hose 8 mm / GZ 1/4", pilot hose 4 mm	-	10
MW-W6001121108	STOP valve STP-B, hose 8 mm / GZ 3/8", pilot hose 4 mm	-	10
MW-W6001121110	STOP valve STP-B, hose 10 mm / GZ 3/8", pilot hose 4 mm	-	10
MW-W6001131112	STOP valve STP-B, hose 12 mm / GZ 1/2", pilot hose 4 mm	-	10

The STOP shut-off valve series STP-B with plug connections is a reliable safety component designed to ensure maximum control and protection in pneumatic systems. Installed directly on the actuator’s supply connections, it permits airflow exclusively when a pneumatic control signal is present, guaranteeing precise operation and immediate response. In the event of a pressure drop, the actuator is instantly stopped, providing an additional layer of safety and preventing unplanned movements. Engineered for versatility, the valve operates within a pressure range of 0.5 to 10 bar and withstands temperatures from -10°C to +60°C, making it suitable for diverse industrial environments. The robust body made of nickel-plated brass ensures durability and resistance to wear, while high-quality NBR sealing delivers reliable tightness and long-lasting performance. Compact, efficient, and easy to integrate, the STP-B series is the ideal solution for enhancing safety, reliability, and operational efficiency in modern pneumatic applications.