large diameter elastic seat gate valve
technical parameter
product model: z45x/z545x
nominal pressure: pn1.0～2.5mpa
nominal diameter: dn500～1200mm
working temperature: 0～120℃
applicable medium: water, oil, gas, etc.
flange standard: gb/t17241.6, gb9113
test standard: gb13927, api598
product overview
the large-diameter elastic seat gate valve is made of high-quality ductile iron or carbon steel. it has the characteristics of high strength, light weight and accurate geometric dimensions. the gate has the function of interchangeability. switch freely, and can also install opening and closing indicator columns, or electric and pneumatic actuators according to user requirements. good sealing and anti-rust functions, safe and reliable, and long service life. it can be installed vertically and horizontally. this large-diameter elastic seat gate valve is widely used in water supply and drainage systems, sewage treatment systems, municipal construction, mining, metallurgy, power plants and other industries.
main part material
| no. | part name | material |
| 1 | body | ductile iron, cast steel |
| 2 | gate | ductile iron covered with epdm or nitrile rubber |
| 3 | hexagon socket head bolt | carbonization |
| 4 | sealing ring | epdm or nbr |
| 5 | bonnet | ductile iron, cast steel |
| 6 | stem | stainless steel |
| 7 | "o" ring seal | nitrile rubber |
| 8 | thrust bearing | tin bronze |
| 9 | bolt | carbon steel, alloy steel |
| 10 | gland | ductile iron, cast steel |
| 11 | dust cover | nitrile rubber |
| 12 | handwheel | malleable cast iron |
main external connection dimensions
| nominal diameter dn | 500 | 600 | 700 | 800 | 900 | 1000 | 1200 |
| l | 457 | 508 | 660 | 720 | 780 | 840 | 960 |
| h (handwheel) | 1480 | 1665 | 2200 | 2800 | 2800 | 3000 | 3000 |
| h (bevel gear) | 1650 | 1900 | 2350 | 2950 | 3950 | 3150 | 3150 |
| h (electric) | electric devices can be specified by the user | ||||||