Nominal diameter (DN)
300...700 mm
Performance material
steel
By spindle overlapping method
Vertical slab
Accommodation category
Installation position of the gate valves is vertical with deviation from the vertical axis up to 4 degrees.
Exterior coating material
Anticorrosive coating made in factory conditions
Material of mating flanges
Steel 20, 09G2S, 12Cr18Ni10T, 30Cr13
Flange design
Steel butt welded type 1 row 1
ND basic
?? 3741-001-07533604-2008
Corrosion allowance
Not more than 0,1 mm/year
Hull steel grade
Steel 20L, 20GL
Type of gasket
Терморасширенный графит ТРГ, маслобензоморозостойкий эластомер
Availability of KOF
Mating flanges, welded coils
Design temperature
80 million m³
Particulate matter content
0.05 set
Connection dimensions upper
300 mm
Seal seat material
Steel 20, 09G2S, 15X5M
Additional requirements
Force 360 N - for wedge movement, 450 N for opening and pushing.
Body flange design
20L, 20GL
Maximum torque required to operate the gate valve,
no more
1000
Operating medium
Marketable crude oil, petroleum products, oils, steam, foaming agent solution.
Type of sealing of moving parts against the external environment
Metal on metal
Material of construction of the locking mechanism
30?13, Steel 20, 09G2S, 12?18?9?
Nominal pressure (PN), MPa (kgf/cm)
1,6-16,00 (16-160)
Type of seal in the gate
wedge/seat
Type of connection to the pipeline
flanged, under welding, plunger.