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Check valves are recommended for use in the tubing string for ESP system to keep the discharge-tubing full of fluid when the pump is off. The check valve allows for a full column of fluid/head for the pump to restart against, thereby; eliminating the possibility of damage to the pumping system that may be attributed to insufficient head. It will also eliminate fluid from flushing back through the pump enabling a quicker restart. The check valve is run generally two or three joints above the pump. If the check valve is not installed, the pump should not be started until the fluid column has had a chance to equalize, eliminating the chance for a twisted shaft in the pump, or a burned cable or motor.• Check valves are recommended for use in the tubing string for ESP system to keep the discharge-tubing full of fluid when the pump is off. The check valve allows for a full column of fluid/head for the pump to restart against, thereby; eliminating the possibility of damage to the pumping system that may be attributed to insufficient head. It will also eliminate fluid from flushing back through the pump enabling a quicker restart. The check valve is run generally two or three joints above the pump. If the check valve is not installed, the pump should not be started until the fluid column has had a chance to equalize, eliminating the chance for a twisted shaft in the pump, or a burned cable or motor.

Size	Material	Length (ft)	Weight (lbs)
2-3/8” 8rd. EUE	Carbon Steel/Stainless Steel	0.7	9
2-7/8” 8rd. EUE	Carbon Steel/Stainless Steel	0.7	13
3-1/2” 8rd. EUE	Carbon Steel/Stainless Steel	0.8	17
4-1/2” 8rd. EUE	Carbon Steel/Stainless Steel	0.8	23
5-1/2” 8rd. Long Thread CSG	Carbon Steel/Stainless Steel	1	30
7” 8rd. Long Thread CSG	Carbon Steel/Stainless Steel	1	37

The bleeder Valve is normally installed one joint above the check valve. The Bleeder Valve or Drain Valve has a small drain plug inside it. Breaking the plug will allow the tubing to drain well fluid from tubing to anulus area.

Size	Material	Length (ft)	Weight (lbs)
2-3/8” 8rd. EUE	Carbon Steel/Stainless Steel	0.6	8
3-1/2” 8rd. EUE	Carbon Steel/Stainless Steel	0.8	17
4-1/2” 8rd. EUE	Carbon Steel/Stainless Steel	0.8	23
7” 8rd. Long Thread CSG	Carbon Steel/Stainless Steel	1	37

needed to protect ESP and prevent pulling wet tubing

Specification