Nitrogen Plant

Nitrogen Plant

SR. NO.	PARAMETERS	UNITS	Recommended Spec.
1	General
	Inlet Pressure from compressor to PSA Module	kg/cm2(g)	7.0 (max) / 6(min)
	Inlet Air Dew Point	0C	(-) 40
	Type		PSA-CMS
	Duty		Continuous
	Capacity of Gaseous Nitrogen	N m3/hr	8.5
	Purity of Gaseous Nitrogen	%	99.95
	User Pressure of N2	kg/cm2(g)	6
	Discharge Temperature of N2	0C	40
	Nitrogen Gas Dew Point	0C	(-) 40
	Cycle Time	Minute	1+1
	Air Requirement	Nm3/hr	VTS
	Specific Air Consumption - Air / Nitrogen	*	As Low as Possible
	CMS Quantity each unit	Kgs	VTS
	CMS Make		VTS
2	Air Receiver
	Quantity	No.	1
	Capacity	M3	VTS
	Inside Diameter of Shell	mm	VTS
	Height of Shell	mm	VTS
	Thickness of Shell & Head	mm	VTS
	MOC of Shell & Head		CS( IS-2062)
	Design Code		ASME Sec VIII Div.1
	Design pressure	Kg / Cm2g	9
	Operating Pressure	Kg / Cm2g	7.5
	Hydraulic test Pressure	Kg / Cm2g	13.5
	Safety Valve	Nos.	1
	Temperature Gauge	Nos.	1
	Pressure gauge	Nos.	1
	Pressure switch	Nos.	1
3	Instrument Air Pot
	Quantity	Nos.	1
	Capacity	M3	VTS
	Purpose		All Actuators operation through this Pot Air
4	Pre Filter
	Quantity		1
	Size		5 Micron
5	PSA Tower
	Quantity	No.	2
	Pressure gauge	Nos.	2
	Inside Diameter of Shell	mm	VTS
	Height of Shell	mm	VTS
	Thickness of  Shell & Head		VTS
	MOC of Shell , Head		IS 2002 Gr.II A
	Design Code		ASME Sec.VIII Div.I
	Design pressure	Kg / Cm2g	8
	Operating Pressure	Kg / Cm2g	7
	Hydraulic test Pressure	Kg / Cm2g	12
	Other safeties		As per Design
	Other safeties		As per Design
6	N2 Surge Vessel
	Quantity	No.	1
	Capacity	m3	VTS
	Inside Diameter of Shell	mm	VTS
	Height of Shell	mm	VTS
	Thickness of  Shell & Head		VTS
	MOC of Shell , Head		CS( IS-2062)
	Design Code		ASME Sec VIII Div.1
	Design pressure	Kg / Cm2g	VTS
	Operating Pressure	Kg / Cm2g	VTS
	Hydraulic test Pressure	Kg / Cm2g	VTS
	Safety Valve	Nos.	1
	Pressure gauge	Nos.	1
	Check Valve	Nos.	1
7	Guarantee Parameters at outlet of N2 Generator
	Capacity	Nm3/hr	8.5
	Discharge Pressure	bar(g)	6
	Purity	%	99.95
	Atm. Dew Point	0C	(-) 40
8	Skid Dimension (LxWxH)	mm	VTS
9	Overall Weight of the skid.	kg	VTS
10	Instrumentation & Control ( as per P&ID attached)
	PLC		Required
	Quantity	No.	1
	Make		Siemens/Allen Bradley
10.1	O2  Analyser
	Quantity	No.	1
	Range	% of O2	0-2.5%
	Make		Nucon
10.2	Automatic Changeover Valves
	Quantity	No.	9
	Type		Solenoid Operated
	Location		Attached P&ID
	Make		EL-O-MATIC, Teflon Sleeved Plug Valve, with El-O-Matic Actuator & Rotex Solenoid Valve
10.4	Flow Elements
	Quantity	Nos.	2
	Type		Orifice plate with complete flanges
	Make		GI/Hydro-pneumatic
	Location		Inlet Air Line Outlet N2 Line
10.5	Flow Transmitter
	Quantity	No.	2
	Type		DP type
	Location		Nitrogen Surge Tank
10.6	3-way Valves
	Quantity	Nos.	1
	Type		Solenoid Operated
	Make		Xomox
	Location		Final Vent
10.7	Pressure Control Valves
	Quantity	Nos.	1
	Type		Spring loaded
	Make		VTS
	Location		Final outlet before Receiver
11	Internal Valves & NRV
	Quantity	Nos.	As per Specific design
	Make		Audco/BDK
	Location		As per Specific design
12	Pressure Transmitter
	Quantity	No.	1
	Make		Emerson/Yokogawa
	location		After Nitrogen Receiver
13	INSTRUMENTS
	Air Flow Meter Cum Totalizer	On Elect. Cum Inst. Pannel	At Inlet, Make, Model, Type
	N2 Flow Meter Cum Totalizer		At Outlet, Make, Model, Type
14	Gurantee
	CMS		VTS
	Activated Allumina		VTS
	Total System		VTS
	O2 Purity		VTS
	Air to N2 Ratio		VTS