نمایش نتیجه 1 تا 1 از 1 نتیجه یافت شده برای grease injector:
n: a surface device used in pressure control for slickline. See also lubricator.
a pressure control method for forming a pressure seal around braded line and electric line. Grease is injected between special tubes in a high pressure housing. The tubes are slightly larger than the line and grease seals the remaining area.
© ۱۳۹۲-۱۳۹۷ این اثر شامل قانون حمایت از مولفین بوده و هرگونه کپی برداری از آن ممنوع است.
