Cast Iron Iron

cast iron Grill Pan cast iron coonkware cast iron
cast iron Grill Pan cast iron coonkware cast iron
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Supply Capability: 200000 pc/month
cast iron waffles bakeware cast iron cookware
cast iron waffles bakeware cast iron cookware
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cast iron Casserole cast iron cookware Casserole
cast iron Casserole cast iron cookware Casserole
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cast iron Dutch Oven cast iron  cookware
cast iron Dutch Oven cast iron cookware
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cast iron BBQ Cookware cast iron cookware
cast iron BBQ Cookware cast iron cookware
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cast iron cookware set cast iron cookware
cast iron cookware set cast iron cookware
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Gate Valves Ductile Iron Cast Iron  Manufacturing
Gate Valves Ductile Iron Cast Iron Manufacturing
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Min Order Qty: 100 PCS
Supply Capability: 1000 PCS/month
Ductile Iron Pipe Cast Iron EN545 DN800
Ductile Iron Pipe Cast Iron EN545 DN800
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Min Order Qty: 999 m
Supply Capability: 9999 m/month
Ductile Iron Pipe Cast Iron DN500 EN598
Ductile Iron Pipe Cast Iron DN500 EN598
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Min Order Qty: 20 m.t.
Supply Capability: 100000 m.t./month
Grating Ductile Iron Cast Iron High Quality
Grating Ductile Iron Cast Iron High Quality
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Min Order Qty: 500 pc
Supply Capability: 5000 pc/month
Manhole Cover B125 Cast Iron Ductile Iron
Manhole Cover B125 Cast Iron Ductile Iron
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Min Order Qty: 500 pc
Supply Capability: 10000 pc/month
Ductile Iron Pipe Cast Iron EN545  DN500
Ductile Iron Pipe Cast Iron EN545 DN500
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Min Order Qty: 1000 m
Supply Capability: 10000 m/month
Butterfly valve Cast Iron and Ductile Iron
Butterfly valve Cast Iron and Ductile Iron
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Supply Capability: 5000 pc/month
Ductile iron/ cast iron gate valve pn16
Ductile iron/ cast iron gate valve pn16
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Min Order Qty: 111 PCS
Supply Capability: 1000 PCS/month
MANHOLE COVER CAST IRON DUCTILE IRON EN124
MANHOLE COVER CAST IRON DUCTILE IRON EN124
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Min Order Qty: 20 m.t.
Supply Capability: 500 m.t./month
Ductile cast iron fittings
Ductile cast iron fittings
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CAST IRON PIPE-EN877
CAST IRON PIPE-EN877
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EN877 FITTING CAST IRON DRAINAGE
EN877 FITTING CAST IRON DRAINAGE
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CAST IRON FITTINGS -BEND
CAST IRON FITTINGS -BEND
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cast iron gate valve
cast iron gate valve
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cast iron gully grate
cast iron gully grate
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Supply Capability: 10000 m.t/month
EN877 FITTING CAST IRON
EN877 FITTING CAST IRON
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PIPE CAST IRON- DN80-DN300
PIPE CAST IRON- DN80-DN300
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EN877 CAST IRON FITTING DRAINAGE
EN877 CAST IRON FITTING DRAINAGE
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DRAINAGE SYSTEM CAST IRON
DRAINAGE SYSTEM CAST IRON
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Manhole Covers Cast Iron , Chamber Cover Cast Iron
Manhole Covers Cast Iron , Chamber Cover Cast Iron
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Min Order Qty: 199 pc
Supply Capability: 9999 pc/month
ductile cast iron fittings
ductile cast iron fittings
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EPOXY CAST IRON DRAINAGE
EPOXY CAST IRON DRAINAGE
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DRAINAGE CAST IRON PIPE EN877
DRAINAGE CAST IRON PIPE EN877
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CAST IRON PIPE SYSTEM
CAST IRON PIPE SYSTEM
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EN877 CAST IRON FITTING
EN877 CAST IRON FITTING
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Cast iron square manhole cover
Cast iron square manhole cover
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Supply Capability: 1000 m.t./month
CAST IRON PIPE
CAST IRON PIPE
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Cast Iron Bench Center
Cast Iron Bench Center
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Supply Capability: 500 pc/month
CAST IRON PIPE AND FITTINGS
CAST IRON PIPE AND FITTINGS
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CAST IRON EN877 FITTING
CAST IRON EN877 FITTING
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FAQ

Notes on flat gate valves
internal structureThe 1 seat O ring seal and preload floating seat structure, so that import and export of two-way valve seal plate; and the structure of the normal valve opening and closing torque only 1/2, can easily open and close valves2. when fully open, the channel is smooth and straight, the flow resistance coefficient is extremely small, and there is no pressure loss. The pipeline can be cleaned through the hair bulb3 the packing structure with the ability of self sealing, without frequent adjustment, opening and closing very lightweight, and reliable seal, the stuffing box is arranged at the auxiliary seal oil into the structure, absolutely reliable sealing performance, thereby achieving zero leakage; solve the shortcomings of the general valve packing leakage of the most vulnerable4., when the flat gate valve is closed, it can automatically unload the inner cavity high pressure, and ensure the safe use5., fully enclosed structure, good protection performance, can adapt to all-weather requirements6., the valve seat sealing structure should be elastic, preload, upper and lower sealing seat at the same time sealed structure. The valve seat and the seal are always face to face sealed.The 7. seat has self-cleaning function and is free of direct airflow during valve opening or closing. The seat shall be made of lubricated, non wearing material.8. valve actuator failure will not affect the other parts of the valve, maintenance and replacement work can be carried out without removing the valve.9. yoke sleeve aluminum bronze yoke sleeve with pin type thrust bearing to minimize operation torque.10. stem - thread length until bracket; dowel and spot welding; stability.11. pressure seal - simple construction, with sectional retaining rings and silver plated low carbon steel gaskets, helps to remove and achieve the best bonnet seal.12. seat ring - welded seat ring is perpendicular to the flow channel and is easy to maintain.s
What kind of valve is gate valve? Is it different from the cut-off valve?
Gate valve is applied to the big diameter pipeline valve, the valve is generally used in small pipe diameter pipeline, their internal structure is different, the valve can not regulate the flow of water, the valve can be. If you want to understand in detail, it is recommended to take a sample of valve manufacturers to see the internal structure.s
What do gates, Z15T-10, Z15W-16T, Z45T/W-10, Z41T-10 mean?
7-, dark bar parallel gate valve, parallel gate valve 9- dark bar;5, sealing materials or lining materials were used R- T- austenitic stainless steel, copper alloy, X- rubber, S- plastic, N- nylon, F- fluorine plastic, H-Cr series stainless steel, hard alloy Y-, J- rubber, M- Monel alloy, Tc- ceramics;6, the body material code Z- K- gray cast iron, malleable cast iron, Q- ductile iron, copper and T- alloy, C- steel, P- chromium nickel stainless steel, R- stainless steel chromium nickel molybdenum, chromium molybdenum vanadium steel V-.For example: for electric, flange connections, Ming Liang wedge double gate, the sealing surface material directly processed by the body, nominal pressure PN0.1MPa body material for gray cast iron gate valve: Z942W-1 electric wedge double gate valves
What does gate valve do?
Valve in the pipeline can only be fully open and fully closed off, can not be adjusted and the throttle. Gate valve is a valve used in a wide range, generally more than 50mm caliber DN block device is selected it, sometimes cut off very small aperture devices are used to gate valve, gate valve is used as cut-off media, when in full flow through the whole, when the media is running a minimal pressure loss. Gate valves are normally used in situations where they do not need to be frequently opened and closed, and the gate is fully open or fully closed. Not used as an adjustment or throttling. For high speed moving medium, the gate can cause the vibration of the gate under the condition of partial opening, and the vibration may damage the sealing surface of the gate and the valve seat, while throttling will cause the gate to suffer the erosion of medium.s
What type of flange does it fit with the gate valve?
This depends on the type of gate valve, valve standards are marked with matching flange standards. Different types of flanges for different gate valves are also different.The flange of General GB gate valve is GB/T9113 series.s
Does the relief valve have a gate valve?
With the ball valve, needle valve, with the valve did not see, but there should be some.s
What is the difference between the cut-off valve and gate valve, the general will use the cut-off valve instead of gate valve
Stop valve and gate valveThe working principle is different. The stop valve is an upward stem type, and the handwheel rotates and rises with the stem. Valve is hand wheel rotation, stem upward movement. Flow is not the same, the gate valve requires full open, the cut-off valve is not the same. The gate valve has no inlet and outlet direction requirements, and the cut-off valve has the required inlet and outlet!Gate valve and stop valve are shut-off valve, is the most common two valves.From the exterior, the gate valve is shorter than the cut-off valve, especially the bar valve needs a higher height space. Valve sealing surface has a certain degree of self sealing capacity, its spool depends on the media pressure tight contact with the valve seat sealing surface, to achieve tight leakage. Wedge gate valve spool angle is generally 3~6 degrees, when forced to shut down excessive or temperature changes of the valve core is easy to die. Therefore, high temperature and high pressure wedge gate valve, in the structure have taken certain measures to prevent spool stuck. The valve in the opening and closing valve and valve seat sealing surface contact and mutual friction is always so easy to wear sealing surface, especially in close off the valve, the valve before and after the great pressure, sealing surface wear is more serious.s
What does P54100V mean in power station gate valve Z960Y-P54100V?!
P work pressureP54 temperature at 540 degrees of work pressureThe pressure at P54 100 is 540 at the temperature of 100barV valve for chromium molybdenum vanadium steelP54 pressure 140V temperature at 540 DEG C for 140bar valve for chromium molybdenum vanadium steelP54 pressure 170V temperature at 540 DEG C for 170bar valve for chromium molybdenum vanadium steelFrom the JB/T4018 "valve type model preparation method"The standard unit is MPa, but it is usually used in bars

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