The valves are pressure balanced from DN20, type 2SB, and are therefore able to handle high differential pressures with low force.
The valve closes when the stem is in its lowest position.
The valves are intended for use with actuators:
The valves have body and lid of nodular iron. Cone, seat, stem and lining are in stainless steel. The valves have a self-adjusting packing box in Teflon and an O-ring in Viton.
Inquiry - 2SAS/2SBS District heating valve
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