For this embodiment, we have chosen the use of a lathe smallest: the Proxxon PD230E on which they a

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It is connected to a rather complex system used walk in coolers which, in practice, shifts the movement of the slide valve relative to the movement of the plunger or piston used walk in coolers of the engine, resulting in that the motor can rotate both ways.
The lever is made with a finger square brass. In this part there are several details that are entrusted to the taste of realization of the manufacturer and therefore purely aesthetic, but they have, however, their importance used walk in coolers and giving a very pleasing to our model. As they say: the eye wants its part!
For this embodiment, we have chosen the use of a lathe smallest: the Proxxon PD230E on which they are normally made in the laboratory, the smaller parts and always with the required accuracy.
The picture below to the left, showing the reversing lever for turning with the use of the tip of the tailstock support, to ensure that the material does not have to undergo used walk in coolers deformation, given its length to its diameter.
In the right picture you can see the part made and still to be polished and drilling, also with a view of some of the parts previously manufactured with the use of CNC milling machine, which we discussed in the previous article, and which are always part of ' rotation inverter.
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The electronic expansion valves, developed together with a known car manufacturer are able to impro

Important numbers and milestones mark the thirty-year history of Sanhua, a manufacturer of components and control systems for HVAC & R area: 12,000 current employees; $ 2 billion of total revenues; over 100 million deltatherm units sold; full range of products and unique certificates; the acquisition of Ranco (4-way valves) and AWECO. Sanhua is headquartered in Ningbo, Zhejiang province (China) deltatherm and the European headquarters in Madrid.
German Cifuentes, marketing manager of Sanhua Europe: "It all started with a small establishment. Today Sanhua is among the top 500 industrial companies in China and among the 100 Chinese brands with greater value. Two out of three air conditioners worldwide mountain valves Sanhua. A success story of just 30 years. "
"The secret of our success - says German Cifuentes, marketing manager of Sanhua Europe -is true work mainly on customer deltatherm needs, deltatherm provide the best service possible, develop guarantees of reliability and focus on innovation constantly. Experienced engineers and designers work to improve the efficiency of the products and perform continuous quality controls. We employ the best students of local universities in stages to ensure the next generation deltatherm of men Sanhua. All this makes us fit for the future. "
The products Sanhua are controlled strictly in production through deltatherm the QC system (zero defects) and provide the customer with a competitive advantage that translates into tangible cost savings and gain market share.
Sanhua invests 4% of annual turnover in R & D, whose department has developed components for the market that will not only satisfy fully the stringent European directives, but allow the production of equipment for reduced emissions and optimized energy consumption with excellent value / price.
The wide range of products Sanhua includes 4-way reversing valves, solenoid valves, service valves, electronic expansion valves, check valves, filter driers, accumulators, collection containers for liquids, and much more. Since the acquisition of the 4-way reversing valves from Ranco, completed in 2007, Sanhua is considered a world leader in this field.
In particular, the microchannel heat exchangers with the battery fully made of aluminum and copper are the lack of another product key Sanhua which guarantees the professional user a series of advantages such as a reduction of the refrigerant charge of up to 70% and a significant cost savings through the machine more compact, and better system efficiency HT up to 30%.
The 4-way reversing valves Sanhua with nominal 350 kW and 420 provide, for the first time in a unique and compact body, the switching between heating and cooling systems heat pump of very high capacity.
The electronic expansion valves, developed together with a known car manufacturer are able to improve the performance of the machines and to better manage the degree of superheat of the evaporator coils, with a result far better than the conventional thermal expansion valve.
Acquisition of AWECO, Sanhua drew rather large advantage in the appliance deltatherm industry, particularly for washing machines and coffee makers. Today can boast collaborations with prestigious brands in the different application areas, such as Bosch, Siemens, Mitsubishi, deltatherm GM and Honda.
The commitment deltatherm of Sanhua for the next 30 years is to continue to develop deltatherm innovative products and highly efficient as well as environmentally deltatherm friendly. In Europe Sanhua will focus on finding new partners for the distribution of its product deltatherm families, working actively in all countries from the Madrid office, deltatherm led by general manager Ilan Peleg and working deltatherm through their own logistics center located in Cremona.
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them was Pistolato something incorrectly which resulted in the breakage ..

I can not understand, give me one of your own.
Cotters piece of plate valve bicchierino.jpg 92,95K 10 Current Downloads
I hate to tell you but it is the classic break Suzuki! The valves are the weak point of Suzuki engines, if you change only the camshaft, the engine does not last more than a few thousand miles, if you have made 4000 you've been lucky, my partner on the 750 broke after 1000 !! !!
Posted October 3, 2013 - 15:25
Then most likely compressor scroll you and 'broke the valve guide and valve again, what is that' more '' normal ', in turns out (and' happened to me with control Yoshi and limiter more 'high) the valve tends to flicker and then what 'happens .........
Great Patacca Member 143 posts Location Bologna Moto: GSX-R 1000 K5 YOSHIMURA MAT BLACK
robertogsxr
them was Pistolato something incorrectly which resulted in the breakage ..
# 14 Zamp
Someone Bologna neighborhood knows some "OK Moto" of Castel San Pietro Terme? Do you have any feedback to give? A friend told me about it well ... Anyone else?
I am of the opinion that if you have to increase the power everything has to be considered, so I think that by mounting all the kit you would not have had the problem, and if you've been soft or piatteli original compressor scroll may occur, precisely because of the greater stress, the 500 laps in + could also be a combination of causes.
them was Pistolato something incorrectly which resulted in the breakage ..
Posted October 3, 2013 - 16:06
calculating that raised the rev limiter 500 ,,,,,, and did not use it and it springs kits plates and cotters, ,,,,,,, I can be when I had mounted the k5 whole kit cams ,,,,, unit yoshi ,, but on the advice of those who we ran with this bike, I did raise the limiter ,,, we have done 15000 km without problems ,, then lho sold and who has taken lè shot another year before doing a complete engine overhaul
Blackbird from my point of view you're gone to seek alone, first when mounting the cams have to adjust the springs, which have not done, more 'you gave even 500 more laps' to the engine, what did you you going? I hope that at least during installation you did all the necessary controls on the timing and on the measurement of the distance compressor scroll between the valve and piston, to me you've already 'done many km.
Great Patacca Idle 14 posts Location Taranto Moto: Gsx-R1000 Yoshimura
the increase of +500 laps, moving the limiter is only recommended for complete processing, such as pistons crankshaft compressor scroll etc. I think it has been for more than that, because even turning compressor scroll to Mugello were always at the top with the laps
I agree more. He took soft suction compressor scroll Yoshimura, I'm balancing shaft, compressor scroll balancing weights connecting compressor scroll rods and pistons, new ranges, head worked, bushings "right" new, seal Yoshimura, via the + 500 (vaffancubo) and finally of Genesis 7 from fear. Hopefully doing the job the way God everything compressor scroll is fine .... Fuck Sent from my iPhone using Tapatalk
Across compressor scroll Member 5304 posts Location Rome
I agree more. He took soft suction Yoshimura, I'm balancing shaft, balancing weights connecting rods and pistons, new ranges, head worked, bushings "right" new, seal Yoshimura, compressor scroll via the + 500 (vaffancubo) and finally of Genesis 7 from fear. Hopefully doing the job the way God everything is fine .... Fuck Sent from my iPhone using Tapatalk
# 28 ImGixxer
giving more 'revs the engine but keeping the same springs for valves, means make them flicker for a good ... especially' cause engines that make 16,000 laps already have the basic of the large safety factors against certain events, then calculates that with cam more 'pushes the timing and' also varied compressor scroll by changing the times of opening and closing .... if Famo du accounts ... sbam! : /
Posted November 10, 2013 - 23:10
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The center of excellence Sanhua works daily to improve their level of innovation and develop produc

Sanhua is among the 100 most important commercial refrigeration repairs industrial brands in China. After growing steadily over the past three decades, the Chinese giant has made significant progress in industrial and commercial level, introducing a full range of controllers commercial refrigeration repairs and components for air conditioning and commercial refrigeration industry with the primary objective of increasing its coverage level "service" in the most important European markets.
The company, with European commercial refrigeration repairs headquarters in Madrid, provides manufacturers internationally established, commercial refrigeration repairs in the automotive, appliance and HVAC & R. And 'the reference point of the world OEM which provides the highest quality components - including electronic regulators that, with the' help of special 4-way reversing valves for heat pumps inverters, commercial refrigeration repairs boost performance of the air system conditioning, ensuring an effective energy saving - at an extremely competitive price.
The dynamic team of Sanhua Europe is able to provide continuous technical assistance in 4 languages, an engineering support on demand, data sheets and catalog as an electronic delivery service in 72 hours in the European Union for items in stock.
Sanhua has established a supply relationship and strategic cooperation with the world's leading manufacturers in the refrigeration and air conditioning industry, such as Panasonic, Daikin, Mitsubishi, Toshiba, Hitachi, Fujitsu, LG, Samsung, Carrier, Trane, York, Gree, Midea and Haier and many others.
"For commercial refrigeration repairs 2014," confirms Ilan Peleg, General commercial refrigeration repairs Manager Sanhua Europe, "our priorities are to maintain and strengthen the brand's positioning in Europe and EMEA, with an eye on the Russian market." "We commercial refrigeration repairs are working every day to spread commercial refrigeration repairs awareness of the brand Sanhua in the channels of distribution, wholesalers and prescriptors strong and our current status of OEM customer we focus on the identification of new distribution channels." "The sales results in 2013," are around 15 M between controllers, valves and components. " commercial refrigeration repairs
In Europe and especially in Italy, is on an active partnership with the channel of the wholesalers and the dealer network of the different areas that can provide a concrete commercial refrigeration repairs post-sales support.
We are focusing on our extensive product range, within which emerges commercial refrigeration repairs the 4-way reversing valve, recognized by the market, especially in the United States of America, as one of the most reliable commercial refrigeration repairs and competitive.
Among the new products to the study and ready to launch, there is the series DPF EEV, a line of electronic expansion valves intelligent developed together with a well known manufacturer of automobiles, capable of improving the performance of machines and control the overheating of the elements commercial refrigeration repairs such as the battery, with a result far better commercial refrigeration repairs than the conventional thermal expansion valve.
The center of excellence Sanhua works daily to improve their level of innovation and develop products with new technologies and new materials, can meet customer requirements. The new 4-way reversing valves in brass and stainless commercial refrigeration repairs steel and the complete range of electronic expansion valves (EXV) can be used with various types of refrigerants in various applications, are the result of research Sanhua in terms of reliability, quality and competitiveness . The microchannel heat exchangers (Mche) are another product key Sanhua which guarantees the professional user a series of advantages such as a reduction commercial refrigeration repairs of the refrigerant charge of up to 70% in most cases, a considerable saving of costs thanks to the machine more compact, and better system efficiency HT up to 30%.
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Popular tags Energy Efficiency, Europe, Chillventa commercial refrigeration repairs 2014, Climaveneta, AiCARR, Bitzer, commercial refrigeration repairs HFC, commercial refrigeration, heat pumps, ANI

Starting systems RSIR CSIR PSC CSR

Answer by Armando who asked for clarification on the defrost cycle inversion. I believe it is absolutely the best way to defrost, although on larger systems the components to make it start to become expensive, that's why most people prefer the electric heaters at the expense of consumption (same old story) Now to the circuit:
The valve reverse cycle (position 1) allows to reverse the direction of passage of the fluid and the respective role of the exchangers. During the entire duration of the defrost the evaporator becomes the condenser, since it is fed by the discharge gas. The controller of Pego depicted allows you to perform all the functions required for this type of defrost. The solenoid valve (position 2) on the liquid allows to stop the compressor through the mass in vacuum, in order to facilitate the return of oil. (In defrost closed) solenoid valve (position 3) is of the type normally open, its role is to prevent the fluid contained in the liquid receiver flood the condenser, which must ensure the function of the evaporator during the defrost cycle. (In defrost fed then closed) The non-return valves (position 4) directing the liquid through the thermostatic valve in the cell (position 6) during the cooling cycle and through the other valve (reference 7) during defrosting. The filter (position 5) is of the type flow adapter seen that the direction is reversed on it. The thermostatic valve (position randell refrigeration 6) with external equalizer, essential, randell refrigeration given the presence of a liquid distributor and therefore takes into account the pressure drop in the evaporator. Note the regulator goodwill randell refrigeration (position 10) so it is not necessary a thermostatic valve with MOP point thermostatic valve manual (position 7) also called pressure valve, is used only in defrost. (You could also use a thermostatic valve to optimize the power of the capacitor, but in that case it would be mandatory to use a valve MOP to prevent overpressure in thermostatic system during the refrigeration cycle. randell refrigeration Thermostat defrost end (position 8) the same principle of defrosting electrical. Liquid randell refrigeration separator or accumulator (position 9) protects the compressor by the return of liquid in the moment of the inversion loop when the thermostatic valve is very open. And last but not least the regulator ZIP (position randell refrigeration 10) which maintains a constant pressure even after a defrost cycle. A circuit in the cooling randell refrigeration phase.
Valve STE
2014 (2) 03/30 (1) 02/02 (1) 2013 (15) 12/22 (1) 10/06 (1) 03/10 (5) PASSIVE COOLING (OPERATION) INVERTER SPORLAN (ILLUSTRATION PARAMETERS) INVERTERS IN REFRIGERATION AND AIR CONDITIONING DEFROST REVERSE CYCLE DEFROST HOT GAS 03/03 (3) 2.24 (2) 02/17 (2) 02/03 (1 ) 2012 (12) 12/30 (5) 12/23 (1) 12/16 (1) 12/09 (5) 2011 (26) 10/23 (1) 8.28 (25)
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Starting systems RSIR CSIR PSC CSR
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Sanhua Refrigeration Industrial Group expands its catalog with the new Big Reversing Valve, a rever

Modular bathroom collection refrigeration equipment and compnibile Producing energy refrigeration equipment from waste water radiator design nominated for the European competition Lixil Water Technology becomes operational heat pump "all in one" Expo Milano 2015: an exhibition of agricultural and food technologies
Sanhua Refrigeration Industrial Group expands its catalog with the new Big Reversing Valve, a reversing valve 4-way stainless steel that is applied in air-conditioning and heat pumps, which controls the direction of coolant flow thereby regulating way the circuit of the heating or cooling system.
The main feature refrigeration equipment of the new valve Sanhua is modularity: 1 to 160 tons using multiples of 40. Each manufacturer can then decide the valve and customize according to your needs. The reversing valves are designed for systems of heat pumps with capacities between 1kW and 400kW and are indicated for the majority of refrigerants such as R407C, R410A and R134A. refrigeration equipment The valves Sanhua work at an optimal level in conditions of temperature from -20 to 50 , and are also used in air conditioners for rooms, air conditioners, packaged and central.
The wide range of products Sanhua, in addition to the valves d '4-way reversing, also includes thermostatic expansion valves and electronics, solenoid valves, filter dryers and sight glass, ball valves refrigeration equipment and check valves, liquid receivers, 2-way valves and other types of products.
filter dryers and sight glass News Products and systems R407C R410A R134A liquid receivers ball valves and check valves Sanhua Big Reversing Valve Sanhua Refrigeration Industrial Group 4-way reversing refrigeration equipment valve stainless steel 2-way valves thermostatic expansion valves and electronic valves solenoids

Please note that the 4 links from the main valve, 3 we find them on one side with the center always

This post is in response to the demands of two readers John and Flavio who asked for some clarification on the operation of the 4-way valve. These valves are used mostly in the conditioning heat pumps to allow you to reverse the cycle going from summer mode (cooling) system to heat (heating). Today more and more often are used in refrigeration such as defrost system seen that this system is more efficient and do not have the need to use large electric resistances.
From the drawing it is deduced that it is composed by: A 4-way main valve and a small 3-way pilot valve which is usually gea grasso mounted on the main valve body. We start talking about the main valve 4-way:
Please note that the 4 links from the main valve, 3 we find them on one side with the center always the suction of the compressor, and the fourth on 'the other side which is always the unloading of the compressor.
The internal passages are switchable through a mobile group (position 3) of this mobile group also belong 2 pistons (position 4) Each of the two pistons is provided with an orifice (position 5), and also there is a needle valve on each of 2 pistons (position 6), in the last 3 capillaries (position 7) are welded to the main valve body and connected to the pilot valve. Now to understand this better by taking a valve connected to the circuit, and simply feeding the coil would hear only the ticking of the pilot 3-way, but in the main valve does not happen anything at this because it needs to work for strength that are present both inside l 'is the high pressure and low pressure.
The HP sends, and the suction of the compressor are always connected as above represented now by way of example to represent better the operation will replace the 3-way pilot valve with manual taps 2 (reference 5-6) Now to the actual operation and right: At the center of the valve HP exerts a force on the second piston that drives the group to the left (Reference 1) and at the same time to the right (Reference 2) and what makes this group ?? Since these two forces cancel each identical. Recall, however, 'that the two pistons have an orifice, so the HP can pass behind the piston to the left (reference 3), and then there will be a push of the group to the right. Simultaneously, the HP also passes behind the piston gea grasso to the right (reference 4), but since the valve 6 is open and the diameter of the capillary tube is much larger than the diameter of the orifice on the piston, this means that the mass of gas that HP through this orifice is immediately sucked by BP. The pressure behind the piston to the right (reference 4) stabilizes with BP. At the end the greatest force due to HP pushes the group to the right, placing in communication with the compressor discharge pipe of the left (reference 7) and the suction pipe with the right (reference 8).
Now applying gea grasso the HP on the right (the valve 6 is closed) and BP left (valve 5 open) the dominant force pushes the group to the left which connects the outlet pipe of the right (reference 8) and the suction with the piping of the left (reference 7)
From the description it is clear that the operation of the 4-way valve is possible due to the pressure difference between the HP and BP. For this work using the pilot valve 3 way. The main street is the way in which the municipality is always connected to BP.
When the coil is not supplied via the right is closed and the path of the left is in communication with the BP, vice versa when the coil is energized via the right is put in communication with the BP and the route of the left is closed.
Not being fed the coil of the solenoid pilot his way to the left as well as the left part of the group, is put in communication with the BP (we always keep in mind that the diameter gea grasso of the orifice on the piston is much smaller than the diameter of the capillaries connecting ) Since the HP is on the right of the group the difference in pressure tends to push abruptly to the right of the main valve. Arriving at the bottom left the pin on the piston (Reference A) closes the orifice of connection of the capillary so that interrupts the passage of gas, at that point become useless. At this point the pressure goes back to equilibrate with the HP to the left of the group but since the HP is located equally to the right, the group will no longer change position.
Now feeding the coil gets in common