SIT Gas block Sigma 0840035
The Sit 840 SIGMA is a multifunction gas control block with two automatic solenoid isolation valves, rated for 60 mbar maximum inlet pressure. Operating at 230 V 50 Hz with G 3/4 ISO 228 connections, it serves as a…
SKU 3G-CBM-00384
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Product Description
The Sit 840 SIGMA is a multifunction gas control block with two automatic solenoid isolation valves, rated for 60 mbar maximum inlet pressure. Operating at 230 V 50 Hz with G 3/4 ISO 228 connections, it serves as a safety-critical component in gas appliance control systems.
Frequently Asked Questions
What are the electrical specifications of the SIT 840 SIGMA?
The SIT 840 SIGMA operates at 230 V 50 Hz. Solenoid valve EV1 draws 4.3 W (40 mA); EV2 draws 2.0 W (12 mA). G 3/4 ISO 228 inlet/outlet connections and optional Rp 1/2 ISO 7 pilot outlet are standard.
What is the maximum pressure rating for this gas control block?
The SIT 840 SIGMA is rated for a maximum inlet pressure of 60 mbar. It features two automatic gas isolation solenoid valves in an aluminium alloy body for reliable safety control in gas appliance systems.
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3G Electric supplies SIT gas controls. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
