Technical specifications
| Lock type | Double eccentric rotating lock disc |
| Design type of a portion of the body flow | Partial flow area |
| Nominal diameter DN according to GOST 28338-89 “Pipeline connections and fittings. Nominal diameters. Series” | 100…2000 (2200…4000 on request) |
| Nominal pressure PN GOST 26349-84 “Pipe connections and fittings. Nominal (conditional) pressure. Series” | PN 10 kgf/cm², PN 16 kgf/cm² PN 25 kgf/cm², PN 40 kgf/cm² on request |
| Work environment | Drinking water, industrial water, seawater |
| Normal position of the lock | Fully open / Fully closed |
| Work environment temperature, °C | 0… +70°С |
| Connecting to the pipeline | Winged |
| Tightness according to GOST 9544-2015 – Class | А |
Material
| Body | High-strength ductile iron with spheroidal graphite (GGG-40) in accordance with GOST 7293-85 “For casting ductile iron with spherical graphite. “Stamps”. (Can be made of GGG-50, stainless steel)” |
| Roof | High-strength ductile iron with spheroidal graphite (GGG-40) according to GOST 7293-85 “For casting ductile iron with spherical graphite. “Stamps”. (Can be made of GGG-50, stainless steel)” |
| დისკი | High-strength ductile iron with spheroidal graphite (GGG-40) in accordance with GOST 7293-85 For casting of ductile iron with spherical graphite. “Stamps”. (Can be made of GGG-50, stainless steel), elastomeric coating EPDM (potable water) or NBR (waste and industrial water) |
| Seal the disc | EPDM (potable water) or NBR (waste and industrial water) elastomeric coating |
| Lilva sealing rings | EPDM, NBR |
| ლილვი | The steel grade for the lower and upper shafts, in accordance with GOST 5632-2014, is stainless steel 20X17N2 according to GOST 5949-75. The shaft collar material is copper LS59-2.
Spindle nut: for drinking water – copper in accordance with GOST 5915-70, For wastewater – bronze, grade CuSn10 (BrOF6.5-04 according to GOST 5017-2006 “Pressed Bronze Sheets. Classes”). Shaft type: hollow for a key. 3 shaft sealing rings. |
| Steel quality of the fastening ring in accordance with GOST 5632-2014 | 08х18н10 |
| Steel grade of the housing sealing ring | 04Х19Н11М3 |
| Coating type of product elements in accordance with GSK and GOST 9.410-1998 requirements | High-quality epoxy powder coating, 300-micron film thickness, non-porous, smooth surface. |
| Type of transmission | Worm. The gearbox design prevents the disc from rotating. |
| Accommodation category: | Outdoors, in high-humidity conditions, underground, and in enclosed spaces. Upon customer request, the product is supplied with a gearbox and electric motor with an IP68 maximum moisture and dust protection rating. |
| Indicators of Reliability | Minimum total resource, cycles (hours), at least | 20,000 cycles with electronic control and 5,000 cycles in manual mode. |
| Probability of flawless operation | Depends on the operating conditions and compliance with the manufacturer’s recommendations regarding the operating mode and maintenance frequency. | |
| Assigned indicators | Scheduled service time | Under 50 |
| Assigned resource, cycles (hours) | Up to 42,000 cycles under electric control and 5,000 cycles in manual mode. Pilot force, N (kg), not exceeding |
| H / DN | 150 | 200 | 250 | 300 | 350 | 400 | 450 | 500 | 600 | 700 | 800 | 900 | 1000 | 1100 | 1200 |
| PN 10 | 60 | 110 | 150 | 240 | 300 | 360 | 430 | 540 | 690 | 290 | 400 | 310 | 400 | 390 | 360 |
| PN 16 | 90 | 150 | 240 | 300 | 370 | 390 | 570 | 790 | 310 | 460 | 390 | 450 | 330 | – | 510 |
Resistance coefficient: measured in the “open” position for uncompressed fluid (water):
| H / DN
Коэф. |
150 | 200 | 250 | 300 | 350 | 400 | 450 | 500 | 600 | 700 | 800 | 900 | 1000 | 1200 | 1400 | 1600 |
| PN 10 | 0,6 | 0,55 | 0,45 | 0,4 | 0,35 | 0,3 | 0,45 | 0,4 | 0,4 | 0,38 | 0,3 | 0,3 | 0,29 | 0,55 | 0,2 | 0,15 |
| PN 16 | 0,6 | 0,55 | 0,45 | 0,4 | 0,35 | 0,5 | 0,45 | 0,5 | 0,46 | 0,41 | 0,38 | 0,36 | 0,34 | 0,55 | 0,3 | 0,25 |
Test results
| DN | PN | Maximum allowable: | Test pressure: | ||
| Working pressure, bar | Operating temperature for this Neutral fluid, °C |
On the building
Water, bar |
When closing Water, bar |
||
| 150…1600 | 16 | 16 | 50 | 24 | 18 |
| 200…1600 | 10 | 10 | 50 | 15 | 11 |
Drive types: mechanical (flywheel, shaft), electric.
Electric discs:
| Execution | General Industrial / Explosion-Proof |
| Voltage, V | Depends on:
– Motor shaft speed (from 4 to 180 rpm), – Type of electric motor (DC/AC, 2-/3-phase power source, voltage) See the electric motor manufacturer’s documentation. |
