Corporation stops are required when the process water pipe cannot be drained at the diffuser to allow for maintenance. The diffuser can be removed while the process water pipe remains full and pressurized with a corporation stop.

Injection Corporation Stop Assembly

Description	Connection	P/N
Suitable for chlorine and caustic feed for both gas and liquid feed systems.	3/4" IPS	CCE-LMI-IPS-1
All units have a PVC solution feed tube with a 1/2" NPT inlet connection.	1" Mueller  (AWWA)	CCE-LMI-MUE-1
150 psi (10 bar) rating	1" IPS	CCE-LMI-IPS-2
Shipping Weight: 7 lb. / 3.5 kg.	1" Mueller  (AWWA)	CCE-LMI-MUE-2

Corporation Stop Assembly 1""

Maximum Capacity Gas Process	Connection	P/N
100 PPD (2 kg/h) / 300 psi (20 bar)	1" IPS	CCE-111-IPS-
Chlorine/Sulfur Dioxide	1" Mueller (AWWA)	CCE-111-MEU
Shipping Weight: 7 lb. / 3.5 kg	Add connection type to above part number:	(-2) for coupled 100ppd ejector (-3) for 3/4" hose connection (-4) for 1" hose connection (-5) for 1" NPT connection

Corporation Stop Assembly 1-1/2"

Maximum Capacity Gas Process	Connection	P/N
500 PPD (2 kg/h) / 300 psi (20 bar)	1 1/2" IPS	CCE-113-IPS-
Chlorine/Sulfur Dioxide	1 1/2" Muellwe (AWWA)	CCE-113-MUE
Shipping Weight: 10 lb. / 5 kg.	Add connection type to above part number:	(-2) for coupled 200/500ppd ejector (-3) for 1-1/2" hose connection (-4) for 1-1/4" NPT connection

Corporation Stop Assembly 2"

Maximum Capacity Gas Process	Connection	P/N
2000 PPD (40 kg/h) / 200psi (13.6 bar)	2" IPS	CCE-479-IPS-
Chlorine/Sulfur Dioxide	2" MUE (AWWA)	CCE-479-MUE-
Shipping Weight: 20 lb. / 10 kg.	Add connection type to above part number:	(-3) for 1-1/2" hose connection (-4) for 1-1/4" NPT connection