Discharge Valve
Discharge valves are mainly used for discharging material from the bottom of storage tanks, reactors and other vessels. The valve is connected to the equipment and is located at the bottom by flanging or butt-welding to eliminate the residual phenomenon of process media usually at the outlet of the vessel. According to the needs of the actual situation, it is divided into upward display type and downward display type. The upward type is used for kettle discharge with a stirring discharge valve; the downward type is used for kettle discharge from frame-anchored stirrers.
Structure characteristics
Integrated body structure
Increased inlet flange, no dead corner , no liquid hydrops.
Stem incline with a angle to prevent interference with reactor bottom, elongated connection structure, ensure operational space
Anti blow-out stem
Spring loaded seat seal construction (metal seal)
Non-metallic seat , temperature resistance of 230.
Design reference standard
ASME B 16.34
API 608
ISO 5211
Seat leakage standard
API598
Applicable range
DN: DN15 -DN300
PN: PN6-PN50
Operation temperature -60C -+450C
Titanium pneumatic discharge valve Discharge control valve Special control valve Control valve Titanium control valves Technical Specification Design Standard: API, ASME, EN, ISO, JIS, DIN, BS, GB,HG Connection type: Flange, BW Pressure range: 150LB~1500LB, 1.0MPa~25.0MPa, JIS10K~40K Size range: NPS1/2-12, DN15~DN300 Design Feature: Open upward / Open downward Double stem structure Crystal proof Blow-out proof stem
Hastelloy pneumatic discharge valve Discharge control valve Special control valve Control valve Technical Specification Design Standard: API, ASME, EN, ISO, JIS, DIN, BS, GB,HG Connection type: Flange, BW Pressure range: 150LB~1500LB, 1.0MPa~25.0MPa, JIS10K~40K Size range: NPS1/2-12, DN15~DN300 Design Feature: Open upward / Open downward Double stem structure Crystal proof Blow-out proof stem
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Supplier: Ash discharge valve, doe valve, plate valve
Services: Reconditioning of valve
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Supplier: Blind plate valve, goggle valve, pressure regulating valve unit, sluice valve, fully enclosed/open gate valve, ventilated dust removal butterfly valve, gas butterfly valve, hot blast valve, cold blast valve, snort valve, discharge valve, ash discharge ball valve, feeder, bleeding valve, exhaust gas valve, explosion relief valve; slag system valve series, desulfurization and denitrification flue gas treatment system
The three-bar cut-off butterfly valve includes the valve body, the valve plate and the driving device. The valve plate is opened and closed by a four-bar mechanism. The four-bar mechanism includes an active rod fixed to the main transmission shaft, a two-follower rod between the transmission shaft and the valve plate, and a valve plate. The valve plate support is arranged on the valve plate, the active rod is connected with the valve plate support, and the two follower rods are connected with the transmission shaft and the valve plate support respectively. The butterfly valve drive device drives the main drive shaft to rotate, so as to drive the four-linkage mechanism composed of active rod, two-follower rod and valve plate to move relative to the valve body pedestal, select the appropriate connecting rod size, make the valve plate move according to the set running track, and realize the reliable valve opening and closing action. The lever cutting butterfly valve has the advantages of small structure size and light weight. The valve plate has a period of opening and closing translation process relative to the valve body at the moment of valve opening and closing, and the friction free operation can ensure the sealing performance of the sealing surface for a long time. 1 Suitable for blast furnace hot blast furnace system, can be used as cold air valve, gas (air) cut-off valve, gas (air) combustion valve, flue valve and so on. The utility model has the advantages of compact structure, light weight, small installation space, strict and reliable seal and long life. 2. Main Technical characteristics of connecting Bar cutting Butterfly Valve The finite element analysis and design are adopted to optimize the size of the connecting rod system to ensure the reliable running track of the valve under high temperature and high pressure. At the same time, we adopt the special structure design of sealing compensation, coating, surfacing wear and corrosion resistant material, multi-layer sealing structure at the shaft end, etc., and the use of many patented technologies makes the connecting rod cutting butterfly valve have the characteristics of high temperature resistance, wear resistance and long life.
Suitable for large and medium blast furnace gas cleaning system, used as gas pressure regulating valve group, can also be used in other systems that need decompression and must maintain stable production. The pressure regulating valve group is composed of several regulating valves and a constant pipe, which has good regulating performance.