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Quick exhaust block for spring-return actuators – Range of 2 models
Pneumatic accessories
automazione-valvole-accessori-pneumatici

Quick exhaust block for spring-return actuators – Range of 2 models

Anodised aluminium block with 1/4" NAMUR interface that cuts the closing time of spring-return actuators; integrated check valve.

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Faster closing of single-acting actuators

The quick exhaust block is fitted to the 1/4" NAMUR interface of a spring-return pneumatic actuator and reduces its closing time: on exhaust, the air leaves through two large G1/2 ports at up to 2,500 l/min.

It is piloted by a 1/4" NAMUR solenoid valve or by an in-line solenoid valve. A built-in check valve prevents the surrounding atmosphere from entering the actuator, while ventilation of the spring chamber is still ensured.

The body is made of anodised aluminium with NBR seals and brass internal parts. Besides the standard version (-10 to +70 °C), a low-temperature version (-40 to +50 °C) is available. The device is rated SIL 2 (ISO 13849-1:2015, category 2, PL d).

  • 1/4" NAMUR interface
  • Operating pressure 2 to 10 bar
  • Supply flow 1,250 l/min, exhaust flow 2,500 l/min
  • Integrated check valve
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# General Type: Quick exhaust block for spring-return actuators Available models: 2 Application: reducing the closing time of spring-return actuators Actuator interface: NAMUR 1/4" Pilot: 1/4" NAMUR solenoid valve or in-line solenoid valve Operating pressure: 2–10 bar Supply flow: 1,250 l/min Exhaust ports: 2x G1/2 Exhaust flow: 2,500 l/min Functional safety: SIL 2 (ISO 13849-1:2015, category 2, PL d) # Materials Body: anodised aluminium Seals: NBR Internal parts: brass Check valve: integrated, prevents ambient air from entering the actuator # Ambient temperature Standard version: -10 to +70 °C Low-temperature version: -40 to +50 °C
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Quick exhaust block for spring-return actuators – Range of 2 models