Liquid Control Valves
Reference: SDG4155P20/07 3/28/2020, Location: Asia
Category: Control Valves
Scope of Work
The company announces its need for supply of Liquid Control Valves.
- Item 001, QTY=15 of Diaphragm operated motor/control valve, direct on line type along with valve positioned as one complete unit to the following specification & general requirement
Size:(2") x ANSI 150 class RF.
Body : Globe, straight, through type.
Body materials : Cast carbon steel (ASTM A 216 Gr. WCB).
No. of ports : Double.
Bonnet : Plain bonnet.
Trim (seat ring & plug) : 316 SS with stellited facing (on seat & entire surface of the plug).
Gland type : Bolted gland.
Seat ring & port size : Full.
Plug characteristic : Quick opening or throttling with linear or equal percentage characteristic.
Stem : Standard.
Stuffing box packing : ENVIRO SEAL PTFE / equivalent or superior material.
Diaphragm material : Chloroprene rubber with fabric reinforced/ equivalent or superior material.
Actuator type : Spring loaded pneumatic operated diaphragm.
Spring range : 0.2 to 1.0 kg / square cm (maximum).
Air supply pressure : 1.4 kg / square cm (maximum).
Spring materials : Stainless steel (Cadmium plated).
Mounting : Field mounted.
Plug, diaphragm & Stem connection : Clamp type (threaded).
Valve positionar : Required.
Temperature range : 5 degree C to 45 degree C.
Actuator action : Field reversible type.
End connection : Flanged type, raised face as per ANSI B 16.5 specification.
Air connection : ¼ inch NPT (F).
Fluid to be handled : Crude oil + water.
Seat leakage classification : CLASS IV (as per ANSI/FCI 70-2-2006 Standard).
Hysteresis error : 3% FS or less.
Linearity : +/- 5% FS or less.
Rangeability : 30:1.
Noise level: <90 dBA within 1 meter area from the valve.
Casing : Weather proof.
The actuator yoke shall be provided with necessary arrangement for clamping pneumatic pressure indicating controller.
- Item 002, QTY= 11 of VALVE, CONTROL, LIQUID LEVEL, 50MM(2")NB, 300Class Diaphragm operated pneumatic control valve along with positioned and air filter regulator, complete with companion flange and requisite number
of Studs & Nuts, as per the following specification.
1.0 SERVICE CONDITION:
Fluid to be handled : Crude Oil mixed with formation water.
Gas Gravity : 0.85.
Normal Operating Temp : 45 Deg C.
Maximum Throughput : 900 KLPD.
Normal Throughput : 600 KLPD.
Minimum Throughput : 400 KLPD.
Maximum Inlet Pressure : 23.0 Kg/sq.cm.
Normal Inlet Pressure : 21.0 Kg/sq.cm.
Minimum Inlet Pressure : 18.0 Kg/sq.cm.
Maximum Outlet Pressure : 6.0 Kg/sq.cm.
Normal Outlet Pressure : 5.0 Kg/sq.cm.
Minimum Outlet Pressure : 3.5 Kg/sq.cm.
2.0 VALVE BODY & BONNET:
2.1 DESIGN PARAMETERS:
Valve Size & Rating : 50MM(2")NB,300Class
End connection Size &Rating : Flanged, 50MM(2")NB, 300Class,Raised face Serrated.
2.2 MATERIAL OF CONSTRUCTION & SPECIFICATION:
Body Style: Globe, Straight through type.
Body and Bonnet Material: Cast carbon Steel (ASTM A-216, Gr. WCB/WCC or ASTM A352, Gr. LCB/LCC), epoxy painted. Casting must be of radiographic quality as per ASTM B16.34.
Body End Connection: Flanges conforming to ANSI B-16.5. Face-to-face dimension as per ANSI/ISA-75.08.01.
Bonnet Style : Plain, Bolted.
Bonnet Bolting: SA-193-B7 Studs/2H Nuts.
Gland Type : Bolted.
Gland Packing: Double, PTFE V-ring or equivalent/superior, suitable for the handling fluid.
Stem Material: S31600 SST (SS 316) or equivalent. Finished to less than 4 micron.
Stem Size : Suitable for service condition. (To be specified by bidder).
3.0 TRIM :
3.1 DESIGN PARAMETERS:
No of Port : Single /Double (To be specified by bidder).
Seat Ring & Port Size : To be designed by bidder.
Flow Direction : Up / Both.
Seat Ring Type: Threaded.
Plug Design : Contoured.
Plug Characteristics : Linear.
Plug Balance : Unbalanced.
Guiding : Top & Bottom / Top Post Guided, (To be specified by bidder).
Cage : Not required.
Seat Leakage: Class IV as per ANSI/FCI 70.2 standard.
Noise level: <90 dBA within 1 meter area from the control valve.
Hysteresis Error : +/-3% of Full Span or less.
Independent Linearity : +/- 5% of Full Span or less.
3.2 MATERIAL OF CONSTRUCTION & SPECIFICATION
Seat Ring : S31600 SST (SS 316)/ S 41000 SST(SS 410), with CoCr-A (Stellite 6) Sheath or equivalent.
Plug Material: S31600 SST (SS 316)/ S 41000 SST(SS 410), with CoCr-A (Stellite 6) Sheath and Guide or equivalent.
Guide Material : SS 410 / SS 440C or equivalent.
4.0 ACTUATOR :
4.1 DESIGN PARAMETERS:
Actuator action : Direct, Normally / Fail Close , Air to open.
Servo & Signal Supply Medium: Natural Gas.
Servo gas supply pressure : 20 psig (1.4 kg / sq. cm) (maximum).
Actuator Shutoff pressure : 1.2 times Maximum inlet pressure.
Gas/Air connection : ¼ inch NPT (F).
4.2 MATERIAL OF CONSTRUCTION & SPECIFICATION
Actuator type: Yolk mounted, spring loaded, pneumatic diaphragm operated.
Diaphragm material: Chloroprene/Neoprene rubber with fabric reinforced /equivalent or superior material suitable for natural gas as servo.
Spring material : Spring Steel (Epoxy coated).
Casing : Weather proof, Corrosion Resistant, Pressed steel, Epoxy coated Plug, diaphragm & Stem connection : Clamp type (threaded stem).
Stroke Scale : Required.
5.0 POSITIONER :
5.1 DESIGN PARAMETERS:
Split Range: Single Valve.
Output action: Direct /Field reversible.
Output characteristics: Linear.
Servo & input Signal Supply Medium: Natural Gas.
Input signal Pressure: 3 – 15 psig (0.21 -1.05 Kg/sq cm).
Servo gas supply Pressure: 20 psig (1.4 Kg/Sq cm) (maximum).
Maximum Steady State Servo Gas Consumption: 14.0 scfh.
Operating Temperature Limit: Upto 60 degree C.
Gas/Air connection Point: ¼ inch NPT (F).
Hysteresis Error: +/- 1% of Full Span or less.
Independent Linearity: +/- 1% of Full Span or less.
Dead band: +/- 0.5% of Full Span or less.
5.2 MATERIAL OF CONSTRUCTION & SPECIFICATION
Type : Pneumatic, Linear Stem slide control, Single acting.
Independent adjustment of zero and span : Required.
Adjustable amplification & dampening: Required.
Adjustable Stem travel: Required.
Valve Position indicator: Required.
Pressure Gauge: Required for Inlet, output & Instrument (Signal), 40 mm (1.5") Dia, dual scale (psig & Kg/cm2), MS Powder coated/plastic casing, inch NPT brass connection, Enclosure: Weatherproof, with screened venting at bottom/side.
Tube fitting: Complete with necessary SS tube fitting of size suitable for application.
6.0 AIR/GAS FILTER REGULATOR:
6.1 DESIGN PARAMETERS:
Setting Range: 0 to 7.0 Kg/sq cm.
Inlet & Outlet connection: ¼" NPTF.
Filter porosity: 5 Micron.
6.2 MATERIAL OF CONSTRUCTION & SPECIFICATION
Filter material: Sintered Bronze or equivalent.
Pressure Gauge: Required.
Drain: Required Manual.
7.0 COMPANION FLANGE AND STUDS & NUTS :
7.1 DESIGN PARAMETERS:
Flange : Flange Size & Class : Same as End connection.
Studs & Nuts : As required.
7.2 MATERIAL OF CONSTRUCTION & SPECIFICATION
Flange : Raised faced Serrated as per ANSI B-16.5 & line pipe threaded
as per API5B.
Studs & Nuts : Studs as per SA-193-B7 & Nuts as per SA-193-2H.
- Item 003, QTY=4 of Diaphragm operated motor/control valve, direct on line type along with valve positioned as one complete unit to the following specification & general requirement.
Size:76.2mm(3")XANSI 150 Class RF.
Control action - air supply to open, normally closed.
Body : Globe, straight, through type.
Body materials : Cast carbon steel (ASTM A 216 Gr. WCB).
No. of ports : Double.
Bonnet : Plain bonnet.
Trim (seat ring & plug) : 316 SS with stellited facing (on seat & entire surface of the plug).
Gland type : Bolted gland.
Seat ring & port size : Full.
Plug characteristic : Quick opening or throttling with linear or equal percentage characteristic.
Stem : Standard.
Stuffing box packing : ENVIRO SEAL PTFE / equivalent or superior material.
Diaphragm material : Chloroprene rubber with fabric reinforced/ equivalent or superior material.
Actuator type : Spring loaded pneumatic operated diaphragm.
Spring range : 0.2 to 1.0 kg / square cm (maximum).
Air supply pressure : 1.4 kg / square cm (maximum).
Spring materials : Stainless steel (Cadmium plated).
Mounting : Field mounted.
Plug, diaphragm & Stem connection : Clamp type (threaded).
Valve positionar : Required.
Temperature range : 5 degree C to 45 degree C.
Actuator action : Field reversible type.
End connection : Flanged type, raised face as per ANSI B 16.5 specification.
Air connection : ¼ inch NPT (F).
Fluid to be handled : Crude oil + water.
Seat leakage classification : CLASS IV (as per ANSI/FCI 70-2-2006 Standard).
Hysteresis error : 3% FS or less.
Linearity : +/- 5% FS or less.
Rangeability : 30:1.
Noise level: <90 dBA within 1 meter area from the valve.
Casing : Weather proof.
The actuator yoke shall be provided with necessary arrangement for clamping pneumatic pressure indicating controller.
- Item 004, QTY= 3 of Diaphragm operated motor/control valve, direct on line type along with valve positioned as one complete unit to the following specification & general requirement.
Size:76.2mm(3")X ANSI 300 Class RF.
Control action - air supply to open, normally closed.
Body : Globe, straight, through type.
Body materials : Cast carbon steel (ASTM A 216 Gr. WCB).
No. of ports : Double.
Bonnet : Plain bonnet.
Trim (seat ring & plug) : 316 SS with stellited facing (on seat & entire surface of the plug).
Gland type : Bolted gland.
Seat ring & port size : Full.
Plug characteristic : Quick opening or throttling with linear or equal percentage characteristic.
Stem : Standard.
Stuffing box packing : ENVIRO SEAL PTFE / equivalent or superior material.
Diaphragm material : Chloroprene rubber with fabric reinforced/ equivalent or superior material.
Actuator type : Spring loaded pneumatic operated diaphragm.
Spring range : 0.2 to 1.0 kg / square cm (maximum).
Air supply pressure : 1.4 kg / square cm (maximum).
Spring materials : Stainless steel (Cadmium plated).
Mounting : Field mounted.
Plug, diaphragm & Stem connection : Clamp type (threaded).
Valve positionar : Required.
Temperature range : 5 degree C to 45 degree C.
Actuator action : Field reversible type.
End connection : Flanged type, raised face as per ANSI B 16.5 specification.
Air connection : ¼ inch NPT (F).
Fluid to be handled : Crude oil + water.
Seat leakage classification : CLASS IV (as per ANSI/FCI 70-2-2006 Standard).
Hysteresis error : 3% FS or less.
Linearity : +/- 5% FS or less.
Rangeability : 30:1.
Noise level: <90 dBA within 1 meter area from the valve.
Casing : Weather proof.
The actuator yoke shall be provided with necessary arrangement for clamping pneumatic pressure indicating controller.
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