Plunger valve, Piston type flow control valve
• Low actuating torque due to pressure balanced valve piston
• Contril valve in straightway type
• With customized control device depending on operating conditions
• 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
• Elastic profile sealing ring located in the no-flow zone for high durability
• Wear-resistant, corrosion-resisitant and infiltration-proof piston guides in the body by micro-finished bronze weld overlay
• Face-to-face length acc. to EN 558, basic series 15-from DN 500 1.5*DN
• With flange ends on both sides acc. to EN 1092-2
• Body: Ductile iron EN-GJS-400-15 (GGG-40)
• Piston: Stainless steel 1.4301
• Piston guide rail: Bronze overlay welded
• Valve sealing: EPDM
• Inner parts: Stainless steel (exception: >DN 600 crank gear from EN-GJS-400-15 (GGG-40))
• Bearing bush: Bronze
• Eye bolts for lifting: Galvanized steel 1.0401 (C15)
DN | L | L1 | L2 | H | H1 | D0 | A | B |
400 | 800 | 715 | 308 | 980 | 335 | 250 | 345 | 390 |
450 | 900 | 749 | 347 | 1100 | 400 | 250 | 410 | 440 |
500 | 1000 | 792 | 383 | 1180 | 450 | 300 | 460 | 500 |
600 | 1200 | 847 | 458 | 1250 | 500 | 300 | 510 | 600 |
700 | 1400 | 920 | 528 | 1390 | 600 | 300 | 580 | 700 |
800 | 1600 | 980 | 599 | 1530 | 700 | 360 | 680 | 800 |
900 | 1800 | 1030 | 674 | 1650 | 800 | 360 | 780 | 900 |
1000 | 2000 | 1105 | 744 | 1800 | 900 | 400 | 860 | 1000 |
1200 | 2400 | 1375 | 852 | 2010 | 1000 | 400 | 950 | 1130 |
1400 | 2800 | 1380 | 1031 | 2230 | 1250 | 400 | 1250 | 1380 |
1600 | 3200 | 1490 | 1183 | 2480 | 1450 | 400 | 1500 | 1600 |
1800 | 3600 | 1780 | 1325 | 2720 | 1650 | 400 | 1750 | 1750 |
2000 | 4000 | 1910 | 1476 | 2930 | 1850 | 400 | 2000 | 1950 |