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HVAC design, why is less than DN50 of pipe gate valve and cut-off valve,
- Have not heard of this requirement, before the ball valve and butterfly valve quality is rarely used now are good, can be used, but not easy to control the flow valve butterfly valve can close more time-saving, fluid resistance of small. HVAC branch pipe, to flow control, so the choice of gate valve and cut-off valve is more reasonable, and now choose a ball valve is also a lot.s
How big valves and fittings need flange installation, such as gate valves, DN50, DN80 and the like?.
- According to user requirements, DN15 also has flanges, in general, DN50 or more are flangess
Gate valve Z41H-16Q generally used for what place?
- Gate valve is one of the most commonly used cut-off valve, mainly used to connect or cut off the medium in the pipeline, not applicable to regulating medium flow. Suitable for medium and large diameter pipelines.s
What does gate z41t-10 150 mean?
- According to JB/T308-2004 "valve type programming method"Z gate valve4 flange connection1 Ming wedge single gateT sealing cover material is copper alloy10 nominal pressure PN10PN16 below no marked valve body code, body material is gray cast iron150 nominal size DN150s
Gate valve z45h-10dn250 length of the body?
- Z45h-10dn250 body length L=330mm, this valve is hidden bar, elastic seat, sealing gate valve, gate lining, lining fluorine, belong to soft seals
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
What are the meaning of the cast rigid gate valves z41h-16c?
- According to the provisions of the JB/T 308-2004 valve type programming method:Z== gate valve4== flange connection1== rigid single gateH== sealing surface material: Cr13 stainless steel16== pressure rating: 1.6MPaC== body material: carbon steels
Z41T one 10 gate valve and Z44T one, 10 gate valve difference
- Z41T one, 10 is single gate, Z44T one, 10 is double gateAccording to the provisions of the JB/T 308-2004 valve type programming method:Z== gate valve4== connection: flange type1== structure: Rigid single gate4== structure: Rigid double gateT== sealing surface material: copper alloy10== pressure rating: 1.0MPas
Get to know the small air compressors
- It has been recognized that small air compressors have been used for many years, since people found the underground oil and tried to extract them. Then the original pump was create...
how to use digital clamp meter
- Digital clamp meter is a kind of used to measure the size of the current meter which is running of electric circuit. Nonetheless, you have to say, many people don't know that h...
Protection precautions of waste centrifugal compressors
- Centrifugal compressors are now becoming more and more popular among the public. We can use centrifugal compressors in many fields, such as construction fields, mining fields and s...
Two stage air compressors have high power
- Two stage air compressors mean the voltage of these air pumps is two stage, which represents the power of the air pumps. two stage air compressors are now widely used in many place...
Maintenance precautions of electric air pumps for inflatables
- Electric air pumps for inflatables are now becoming more and more popular among the public. We can use electric air pumps for inflatables in many fields, such as construction field...