Cast steel three way ball valve
Features
◆Reduced diameter T type/L type/X type: 1/2~6 (DN15~DN150)
◆Working pressure: CLASS 150/300 PN16/40 10K
◆Operating temperature: -20C~180C
◆American standard ANSI CLASS 150
◆Design standard: ASME B16.34API608API6D
◆Design of valve stem explosion-proof device
◆Flange standard: ASME B16.51
◆Double butterfly spring dynamic load design
◆Inspection & Testing: AP1 598
◆Precision casting
◆Anti-static device (optional)
◆4 valve seat design
◆360° rotating handle
◆Lockable handle
◆ISO5211 direct installation high platform design
◆Automation device (optional)
◆German standard DIN PN16
◆Design standard: EN1983EN12516-1
◆Flange standard: EN1092-1 PN16/40
◆Inspection & Testing: EN12266-1
◆Japanese standard: JIS 10K
◆Design standard: JIS B2071
◆Flange standard: JIS B2220
◆Inspection & Testing: JIS B2003
Advantages
1. The fluid resistance is small, and its resistance coefficient is equal to that of a pipe section of the same length.
2. Simple structure, small size and light weight.
3. Tight, reliable, and good in sealing, it has also been widely used in vacuum systems.
4. Easy to operate, quick to open and close, just rotate 90° from fully open to fully closed, convenient for long-distance control.
5. Easy to maintain, the ball valve has a simple structure, the sealing ring is generally movable, and it is easy to disassemble and replace.
6. When fully open or fully closed, the sealing surfaces of the ball and valve seat are isolated from the medium. When the medium passes, it will not cause erosion of the valve sealing surface.
7. It has a wide range of applications, with diameters ranging from a few millimeters to several meters, and can be applied from high vacuum to high pressure.
Specifications
L type three way ball valve
The L-shaped ball valve can only connect two mutually orthogonal pipelines, and cannot maintain the interconnection of the third pipeline at the same time. It only plays a distribution role.
As can be seen from the picture above, the L-shaped ball valve is mainly used for reversing direction! The L-type three-way ball valve is used for distribution and switching that does not require 3-way. It is more convenient to operate. It has only two valve positions and is positioned. It can be turned 90 degrees without making mistakes.
From a technical point of view, the T-type electric three-way ball valve can replace the L-type electric three-way ball valve, but the L-type ball valve cannot replace the T-type ball valve! During use, different structural forms should be selected according to different working conditions, and the T-type ball valve can provide direct flow but the L-type ball valve cannot.
The three-way ball valve can flexibly cut off, distribute and change the flow direction of the medium. The sealing surface of the ball valve is usually in a closed state with the spherical surface, so it is not easily eroded by the medium. It is easy to operate, has a simple and compact structure, and can be used in working conditions with water, natural gas, acid, solvents, etc.
Related dimensions
L-type main dimensions
T-type main dimensions
Inspections before leaving the factory
1. Inspect the products produced on the electric actuator production line every day, with a 100% inspection. First, open the indicator cover, check whether the wiring is aesthetically pleasing, whether the limit cams in the opening and closing directions are fully engaged, whether the pointer position is consistent with the actual position of the actuator, whether the screws inside are tightened, and after inspection, close the cover to check if there is any paint peeling on the appearance of the electric actuator. Stains, whether the manual wrench, waterproof joint, manual dust plug, mirror, and mirror cover are fully installed. If there is no error, use the laser marking machine to mark the product number on the back of the electric actuator. The product number should include the date of the day. Finally, the foam should be deducted for warehousing.
2. Inspection of complete sets of valves: After the operator of the valve assembly production line completes the debugging, they take the production order and find the quality inspector, The quality inspector checks each item according to the production order and product (inspection items: quantity, diameter, material, connection method of valves. Whether the pressure matches the production order, voltage, control type, connection method of electric actuators, whether they are explosion-proof products, whether they are consistent with the production order, whether the screws of valves and electric actuators are tightened, and whether they are missing)
3. Inspection before packing: Check whether the quantity, model, voltage, control method, and spare parts of the product match the production order.
4. Sampling inspection of products in the machining center: once a day in the morning and afternoon, take the inspection item table to the machining center, randomly select a processed product from each machine, and ask the machining center operator to measure it one by one according to the inspection item table and keep records.
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