Brass Check Valves and Strainers
We supply many types of brass check valve and brass strainer, such as brass swing check valve, brass spring check valve, brass strainer, brass flanged strainer. Commonly, we make NPT thread for America customers, make BSP or BSPT thread for Europe and Asia customers. Our products is produced by CNC machine. Size 1/4'' to 2'', all bodied and caps are produced by forge technics.
Size 21/2'' to 4'', they are made by casting technics.
Working pressure: 16Bar-25Bar( 150#WSP, 600WOG).
Material: C37700, MS58(CuZn40Pb2), CuZn39Pb3, CW602N.
Product surface can select plated nickel or natural color.
rass Check Valves,Brass Spring Check Valve,Brass Flanged Check Valves,Brass Strainer,Water Meter Strainer,Brass Flanged Strainer,Brass Swing Check Valves NINGBO YINZHOU PLUMBING HARDWARE CO.,LTD , https://www.brassvalve-china.com
(1) Minerals and animal bones are used because of their hard texture. The active ingredients are not easy to fry. They should be fried for 20 minutes before being fried with other drugs. Such as raw clam shell, raw keel, raw dragon tooth, raw purple quartz, raw cold water stone, raw stone cassia, raw mother-of-pearl, raw tile scorpion, armor, tortoise shell, deer turtle cream, raw magnet, raw oyster, raw gypsum, raw Meteorite, natural copper, etc.
2. The purpose of the lower, lower, and lower is to reduce the dispersion loss caused by the drug being decoctioned for too long. In general, after boiling for 15 to 20 minutes in other group medicines, put them in the lower part and then decoct for 5 to 10 minutes.
(1) The scent is aromatic, and the decoction pieces containing volatile ingredients should not be boiled for too long, so as to avoid the effective dispersing loss. Generally, it can be fried in 5-10 minutes before other group medicines are fried. Such as scent, agarwood, mint, Amomum, cardamom, houttuynia and so on.
(2) Decoction pieces containing the active ingredients that are easily destroyed after long-term decoction also need to be followed, usually in the l0-l5 minutes before the other group of medicines are fried. Such as Uncaria, bitter almond, Xu Changqing and so on.
3. Packing fried bread is to put the fried pieces that need to be packaged in a gauze bag, and fasten them together with the group medicine after tightening the bag mouth. The main types of drugs that need to be fried are as follows:
(1) Decoction tablets containing more mucus should be fried, so as not to stick to the bottom of the pan during the boiling process. Such as the car front, the scorpion.
(2) The fluffy-rich pieces should be fried, so as to avoid the falling fluff mixed with the decoction and stimulate the throat to cause cough, such as invertebrate, medlar and so on.
(3) Pollen and other tiny pieces, because of the large total surface area and strong hydrophobicity, it is also advisable to pack fried to avoid the floating of the active ingredients. Such as glutinous rice, Puhuang, Haijinsha, Liuyisan and so on.
4. Deuteration (melting)
Some gums, honey cream Chinese medicine should not be fried with the group medicine, so as to avoid the thickening of the decoction and affect the decoction of other active ingredients and the bottoming. These drugs can be taken together in a decomposed liquid and heated and dissolved. You can also put these medicines in the container, add appropriate amount of water, heat to dissolve or stew with water, and then mix and disperse in the crowd of medicine decoction, such as gelatin, armor glue, antler gum, turtle deer Glue, etc.
5. Decoction some valuable traditional Chinese medicines, in order to fully decoction the active ingredients and reduce the loss caused by the adsorption of other active ingredients, it is necessary to separately fry the juice in the other equipment, and then combine the slag into other group medicines. Then mix the different decocted liquids before and after, and then take them. Generally, the decoction pieces usually need to be fried for another 30 to 40 minutes. Such as ginseng, American ginseng, saffron and so on. Hard medicines with hard texture, such as antelope horn and buffalo horn, should be boiled for 2 to 3 hours.
6. For clothes for liquid Chinese medicine, decoction in other medicines often affects its ingredients, so it should be taken after other medicines are decoctioned and slag, and then taken, such as rice wine, bamboo drain, fresh oyster sauce, Ginger juice, pear juice, honey, etc.
7. Crushing some of the dosage is small, the fine Chinese medicine should be first researched into powder and then with the decoction of group medicine to avoid the active ingredients being adsorbed by other dregs and affecting the efficacy. Such as Lei Wan, python, antelope horn, Sanqi, amber, antler, purple river car, agarwood, money white snake.
8. Decoction water for the quality of the foam, a large amount, or the soil is not easy to filter the drug residue of the drug, you can fry for 15-25 minutes, go to the slag juice, and then fried with other drugs, such as gourd shell, stove heart Earth and so on.
Special decocting prescription
1. The purpose of frying first is to prolong the boiling time of the drug. In general, the fried pieces that need to be fried first, boiled by martial arts, simmer for 10 to 20 minutes, and then decocted with other drugs soaked in water. Some drugs may prolong the boiling time due to clinical treatment needs, such as: