Supply of Butterfly Control Valves

Ref. No.: SGC-C53-2009
Issue Date: 15/06/2009
Bid Closing Date: 05/07/2009 3:00 PM
Company: South Gas Company.

Scope of Work:
Supply of # 2 Butterfly control valves C.S, 16", flange Wafer type, diaphragm actuator with hand wheel side mounted as the following specifications:
Fluid: HC gas
Molecular weight: 25.57
Flow kg/h: 89000 (min)-200000(max)
Inlet temp.: 60°c
Inlet pressure (kg/cm2): 46.7
Delta P (kg/cm2): 2.7- 0.3
Calculate CV: 319-2405
Required CV: 3126
Chosen CV: 4000
Body size: 16", butterfly, and c.s
Rating: 600 # RFS, wafer
Plug: 65°, = % AISI316
Actuator type: diaphragm, PNEU
Spring range: 6-30 psi
Input signal: 3-15 psi
Supply (kg/cm2): 3.5
Gauges: supply, input, output
Hand wheel: side mounted
State of control in case of air failure: close
Tag no.: 11SCV002

- The supplier should supply two years spare parts including diaphragm, spring, stem and positioner for the valve.