Kelly cock valve, which is a manually operated ball valve run in I D of drill string, is one of effective tool for preventation from blowout. The kelly cock is divided into upper kelly cock valve and lower kelly cock . The upper kelly cock is connected between lower end of swivel
Dongying lianhui petroleum technology Co.,Ltd. [2020-02-21 17:35:59 ]
API standard oilfield stabilizers are manufactured from one solid bar of AISI 4145H modif i ed steel,usually have 3 blade or 4 blades Professional heat-treatment process gu a rantees the mechanical strengths meet the requir e ments of API SPEC7-1.Hardness of 285-341HB can be assu
Dongying lianhui petroleum technology Co.,Ltd. [2020-02-21 17:33:03 ]
PVC granules pelletizing line china supplier is for PVC hot cutting is composed by a conical twin-screw extruder and the correspondingly pelletizing downstream equipment, it is suitable for the pelletizing of PVC,PE raw materials with wood powder or other additives. 2. The pellet
China Gwell Machinery Co.,TLD [2020-02-18 15:07:37 ]
The pellets produced by this machine is evenly, solid, elegance. 3. The pelletizing downstream equipment is the die face cutter, air transferring unit, vibration separating and cooling unit. This pelletizing downstream equipment has the features of high automation and high produc
China Gwell Machinery Co.,TLD [2020-02-18 15:06:34 ]
PVC granules pelletizing line china supplier is for PVC hot cutting is composed by a conical twin-screw extruder and the correspondingly pelletizing downstream equipment, it is suitable for the pelletizing of PVC,PE raw materials with wood powder or other additives. 5.PVC材料
China Gwell Machinery Co.,TLD [2020-02-18 15:05:01 ]
It can fine plasticizing, high productive efficiency, impact construction in the whole machine and high automatization, adopts conical twin screw installs on the extruder 5. PVC material mixture with other materical,such as CaCO3, CPE, static, wax and so on. The granules/ pellets
China Gwell Machinery Co.,TLD [2020-02-18 15:03:53 ]
PVC granules pelletizing line china supplier is for PVC hot cutting is composed by a conical twin-screw extruder and the correspondingly pelletizing downstream equipment, it is suitable for the pelletizing of PVC,PE raw materials with wood powder or other additives. 2. The pellet
China Gwell Machinery Co.,TLD [2020-02-18 15:02:39 ]
5. PVC material mixture with other materical,such as CaCO3, CPE, static, wax and so on. The granules/ pellets can be used to producing PVC profiles and shoes, and so on. 联系我WhatsApp或微信+8615906222016。电子邮件：saleo@gwell cn
China Gwell Machinery Co.,TLD [2020-02-18 15:00:53 ]
It can fine plasticizing, high productive efficiency, impact construction in the whole machine and high automatization, adopts conical twin screw installs on the extruder 联系我WhatsApp或微信+8615906222016。电子邮件：saleo@gwell cn
China Gwell Machinery Co.,TLD [2020-02-18 14:59:39 ]
The pellets produced by this machine is evenly, solid, elegance. The pelletizing downstream equipment is the die face cutter, air transferring unit, vibration separating and cooling unit. This pelletizing downstream equipment has the features of high automation and high productio
China Gwell Machinery Co.,TLD [2020-02-18 14:58:14 ]
PVC granules pelletizing line china supplier is for PVC hot cutting is composed by a conical twin-screw extruder and the correspondingly pelletizing downstream equipment, it is suitable for the pelletizing of PVC,PE raw materials with wood powder or other additives. 联系我What
China Gwell Machinery Co.,TLD [2020-02-18 14:56:43 ]
PVC, PP, PE, PC, ABS customed Profile Extrusion Line By adopting the foreign and domestic advanced technology, we successfully developed the customed profile extrusion line. this line consists of sngle screw or twin screw extruder, vacuum calibration table, haul-off is Unit, cutt
China Gwell Machinery Co.,TLD [2020-02-18 14:53:05 ]
By adopting the foreign and domestic advanced technology, we successfully developed the customed profile extrusion line. this line consists of sngle screw or twin screw extruder, vacuum calibration table, haul-off is Unit, cutter and stacker, the producing line features of good p
China Gwell Machinery Co.,TLD [2020-02-18 14:51:43 ]
vacuum pump and traction gear reducer of the down stream equipment are all good quality products, and also easy maintenance. 联系我WhatsApp或微信+8615906222016。电子邮件：saleo@gwell cn
China Gwell Machinery Co.,TLD [2020-02-18 14:50:50 ]
PVC, PP, PE, PC, ABS customed Profile Extrusion Line By adopting the foreign and domestic advanced technology, we successfully developed the customed profile extrusion line. this line consists of sngle screw or twin screw extruder, vacuum calibration table, haul-off is Unit, cutt
China Gwell Machinery Co.,TLD [2020-02-18 14:49:56 ]
At this time, the positive electrode active material is subject to the impact of the gas, and this impact will promote the fall of the active material. In addition, the positive electrode grid alloy also Suffering from severe anodic oxidation and corrosion, so the battery will sh
China Gwell Machinery Co.,TLD [2020-02-18 13:36:18 ]
individual collection is more about who will dispose of the used batteries collected by the decision on economic benefits. Some recycled companies may be illegal, and some of the recycled ones are unqualified, but are still being disposed of. This kind of company collects used ba
China Gwell Machinery Co.,TLD [2020-02-18 13:35:11 ]
Uses The separator is an important part of the battery. The PE separator is a replacement product of the battery separator. With the development and popularization of the automotive industry in China, the PE separator market will further expand. The recovery of lead-acid batterie
China Gwell Machinery Co.,TLD [2020-02-18 13:34:16 ]
rial of lead dioxide is discharged, the degree of shrinkage and expansion will be greatly reduced, and the destruction of the binding force will become slower. Therefore, the deeper the discharge depth, the longer the cycle life Short. The influence of temperature, the life of le
China Gwell Machinery Co.,TLD [2020-02-18 13:32:53 ]
rcharging. At this time, the positive electrode active material is subject to the impact of the gas, and this impact will promote the fall of the active material. In addition, the positive electrode grid alloy also Suffering from severe anodic oxidation and corrosion, so the batt
China Gwell Machinery Co.,TLD [2020-02-18 13:31:58 ]
