Sand Control Screens (Antisand filter) with compressed steel chips.

Base tube: 4-1/2 (114, 3mm) 11.6 ppf (17.3 kg/m); L-80, length 7.62 m, min internal diameter

101.6 mm, max exterior diameter 128.3 mm. Carving (thread) connection 4-1/2 (buttress)

Material: 316, standard compression

Housing (cage) material: 316L

Structure: perforated tube with covered with thick pressed steel chips, protected with perforated steel coverage;

rotio of opened square should to total filter square not less than 6%

proportion of filter in tube not less 80%

permeability not less than 400 Darcy

max size of penetrated pieces through filter not more than 250 micron.

Base Pipe Technical Specification (Standard API 5 CT)
Size	Outside Diameter		Inside Diameter		Grade	Wall Thickness
	in	mm	in	mm		in	mm
4-1/2	4.500	114.30	4.000	101.60	J55K55N80	0.250	6.35
			3.920	99.57	J55K55N80	0.290	7.37
5	5.000	127.00	4.408	111.96	J55K55N80	0.296	7.52
			4.276	108.61	N80P110	0.362	9.29
			4.126	104.80