Pneumatic Ball Valve With Double Acting Pneumatic Actuator
pneumatic ball valve with double acting pneumatic actuator
1.Specification
Pneumatic ball valve is a kind of pneumatic valve with 90° angle rotation. When turning on the valve, a same-sized passage is formed when turn on the valve and has functions as smooth flow, little resistance and strong flow capacity. When closing the valve, is has functions of strong sealing capacity and little leakage. It is applied to control the mediums, like gas, liquid, steam, etc, as well as sewage and medium with fiber. So ball valves are widely applied into power plant, petroleum, chemical industry, papermaking, etc.
Ball valves include O-type ball valve and V-type valve. O-type ball valve is more used as cut-off valve; while V-type ball valve is often used as control valves because of its excellent regulated performance.
BGTQ series and BAWQ series pneumatic ball valve are equipped with BGT and BAW series pneumatic actuators separately. If equipped with pneumatic actuators that having solenoid valve, the ball valve can be used as cut-off valve; if equipped with pneumatic actuators that having electro-pneumatic positioner, it can be used as control valve.
2.Technical characteristic and parameters
Main parameters of ball valve
Body type: direct casting ball valve
Nominal diameters: DN25~DN300
Nominal pressure: 1.6Mpa, 4.0Mpa, 6.4Mpa
Connection type: flanged as per JB79-59, etc.
Body material: cast steel, cast stainless steel
Filter: V-type PTFE, graphite
Valve core: stainless steel, carbon steel, platinum planting, etc.
Leakage rate: close to zero
Parameters of actuators:
See the specifications for BGT and BAW series pneumatic actuator.
3.The choice of pneumatic actuators
Ball valve and pneumatic actuator equipping table Pressure class: 1.6Mpa, 2.5Mpa
| Ball Valve | Nominal diameter DN mm | 25 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | |
| Needed Torque | 100 | 250 | 600 | 1600 | |||||||
| Equipped with BGT series actuator | Double action | BGT92 | BGT118 | BGT160 | BGT254 | ||||||
| Single action | BGT118 K5 | BGT160 K5 | BGT210 K6 | BGT350 K5 | |||||||
| Equipped with BAW series actuators | Double action | BAW13 | BAW17 | ||||||||
| Single action | BAW13S | BAW17S | BAW20S | BAW28S | |||||||
Pressure rating of the implementing agencies should apply 4.0,6.4 situation increased.
4.Installation and Debugging
1.In case of stuck when valve running, you should thoroughly clean the dirt and welding slag in the pipeline before installation.
2.In order to be easy for dismounting and maintenance, there should be some space between valve and ground, as well as top and bottom when installation.
3.For debugging, please see attached actuator manual.
5.Shape and size
BGTQ type BAWQ type
6.Order guide
1.Model
2.Nominal diameter DN
3.Nominal pressure PN
4.Mode of action
5.Enclosure (whether or not with a locator and handwheel, etc.)
6.Other special requirements
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