• Large diameter elastic seat seal gate valve
  • Large diameter elastic seat seal gate valve
  • Large diameter elastic seat seal gate valve
Large diameter elastic seat seal gate valve
Large diameter elastic seat seal gate valve
Large diameter elastic seat seal gate valve
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Large diameter elastic seat seal gate valve

The large-diameter gate valve is made of the best quality ductile iron or carbon steel casting. It has the characteristics of high strength, light weight and accurate geometric dimensions. The gate has the function of interchange. It is equipped with spiral bevel gear labor-saving mechanism. One person can switch easily and freely. It can also be equipped with opening and closing indicator columns or electric and pneumatic actuators according to the requirements of users. Excellent sealing and anti-rust function, safe and reliable, long service life. Can be vertical horizontal installation, widely used in water supply and drainage systems, sewage treatment systems, municipal construction and mining, metallurgy, power plants and other industries.

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Product Details


Large diameter elastic seat seal gate valve

Product overview

The large-diameter gate valve is made of the best quality ductile iron or carbon steel casting. It has the characteristics of high strength, light weight and accurate geometric dimensions. The gate has the function of interchange. It is equipped with spiral bevel gear labor-saving mechanism. One person can switch easily and freely. It can also be equipped with opening and closing indicator columns or electric and pneumatic actuators according to the requirements of users. Excellent sealing and anti-rust function, safe and reliable, long service life. Can be vertical horizontal installation, widely used in water supply and drainage systems, sewage treatment systems, municipal construction and mining, metallurgy, power plants and other industries.

Main Parts and Components Materials

Serial Number Part Name Materials
1 Valve body Gray cast iron, ductile iron, cast steel
2 Ram Ductile iron coated with EPDM or NBR
3 hexagon socket screw Carbonization treatment of plug
4 Sealing ring EPDM or nitrile rubber
5 Bonnet Gray cast iron, 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

Technical parameters

Nominal pressure: 1.0 ~ 2.5MPa Working temperature: 0~80 ℃ Flange standard: GB/T 17241.6GB9113
Nominal passage: 50~1200mm Applicable medium: water, oil, gas, etc Test standard: GB13927API598

Main connection dimensions

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 2950 3150 3150
H (electric) Electric devices can be specified by the user

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