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