進口電動活塞式流量調節閥
Product characteristics and benefits
Face-to-face length acc. to EN 558-1, basic series 15 - from DN 500 1.5 x DN
With flange ends on both sides acc. to EN 1092-2
Control valve in straightway type
With customized control device depending on operating conditions
Low actuating torque due to pressure balanced valve piston
Rotationally symmetrical flow guidance
Annular flow cross section in each position
Axial movement of the plunger by means of crank gear mechanism
With self-locking worm gear unit including position indicator
With electric actuator
No blocking due to long piston guide rails
Elastic profile sealing ring located in the no-flow zone for high durability
Wear-resistant, corrosion-resistant and infiltration-proof piston guides in the body by micro-finished bronze weld overlay
Piston sealed by Quad Ring
Materials
Body: Ductile cast iron EN-JS 1030 (GGG-40)
Piston guide rails: Bronze overlay welded
Piston: Stainless steel 1.4301
Valve sealing: EPDM
Inner parts: Stainless steel (exception: > DN 600 crank gear from EN-JS 1030 (GGG-40))
Bolts: Stainless steel A4 (DIN EN ISO 3506)
Bearing bush: Bronze
Eye bolts for lifting: Galvanized steel 1.0401 (C15)
Corrosion protection
Inside and outside epoxy coating
DN 1400 plunger valve design
