Greenwood Valve - Quick Closing Valves - Lincoln Electric

1 GREENWOODVALVESThe First Choice in Secondary SERVICEOver sixty-five years of continuous service to the oil, gas and energy industry testifies to Greenwood Valves distinguished tradition of design innovation and customer satisfaction. Greenwood Valves engineers and skilled craftsmen turn concepts into finished products to meet the rigorous requirements of an ever-changing industry. New technologies meet new applications under the watchful supervision of professional engineers. Well versed in industry standards, codes, and expectations, Greenwood Valves is committed to solving the toughest pipeline and storage FIRST CHOICE IN SECONDARY VALVESIn an emergency, the ability to rapidly shut-off fluid and vapor flow can mean the difference between a manageable situation and a potential disaster. For over 60 years, Greenwood Quick Closing Valves have supplied that measure of sturdy Valves provide protection on pipelines and storage facilities in refineries, LPG, chemical, cement and power plants, shipyards, pumping stations, tank farms, and rail loading and unloading facilities throughout the world.

2 As a secondary measure, Greenwood Valves provide isolation until primary emergency Valves are reset and system safety is restored. Process materials include ammonia, butane propane, pentane, polypropylene, LNG, NGL, mild acids, diesel fuel and hot Quick Closing Valves use a reverse check Valve design to stop the flow of fluid or vapor in the event of emergency, be it fire, explosion or electrical disruption. Equipped with an external spring-assisted handle, closure is triggered by remote signal or alarm sent to electronic or pneumatic tripping devices. Fusible links which melt during a fire will allow Quick Closing . When resetting the Valve to the normal open position, a proprietary internal relief Valve breaks static pressure to help equalize pressure FEATURES1. 3-point contact shaft design with radial & thrust bearings to provide ease of operation2. Adjustable pull-down packing gland design to maximize packing performance3. Cast steel body and stainless steel trim to withstand corrosive internal and external atmosphere4.

3 Internal relief Valve to help equalize line pressure when resetting the valve5. Lapped seat & disc to minimize leakage under pressure6. Wound spring assembly to assure tight contact between disc and seat after Valve closure7. Fusible link assembly to activate unattended Valves at elevated ambient temperaturesOPTIONAL FEATURES Alternative methods to activate valve1. Remote cable control to close Valve manually2. Applied air or Air failure for pneumatic operation3. Applied power or Power failure for electrical operation4. Explosion-proof limit switch for remote status indication5. Alternative body materials to suit specific applications or environments6. Injector fitting with internal lantern ring to lubricate shaft packingMINIMAL MAINTENANCEP eriodic inspection and manual activation of each Valve should be performed to insure smooth Valve operation. Routine maintenance should include scheduled and authorized release of pneumatic systems and Electric solenoids.

4 Valves with the optional injection fittings on shaft seals should be lubricated as needed. Recommended spare parts include fusible links, shaft packing, cover gaskets and solenoids if the Valve is equipped with electrical , 304ss, 316ssTrim316ssConsult FactoryShaft17-4 PhConsult FactoryPackingGraphasealN/ABonGsktPolyca rbonSpiral-woundActuatorFusible LinkPneumatic, Electric , Limit SwitchTestsAPI 598N/ADrawings/DocsNoneCertified/MTR s, HydroTest ReportExtrasNoneTa g sOrder Spec SheetSize: Service Conditions: Min/Max Temp:Pressure: Product: COMPLIES WITH CLEAN AIR ACT Greenwood Valves exceed specifications outlined in the 1990 Amendment to the Government Clean Air Act for ambient and elevated temperature operation.

5 Leakage measurements were performed by an independent testing laboratory in accordance with 40 CFR Part 60, Appendix A, Method 21 regulations. Design criteria and testing was completed in conjunction with a large local refinery to satisfy local Air Quality Management District CONSTRUCTION - EASY OPERATIONG reenwood Quick Closing Valves consist of a WCB-grade cast carbon steel body, 316 stainless steel trim, 17-4PH shaft material, and graphite cover gasket and shaft packing. Alternative methods of construction, available upon manufactured parts are produced on CNC machines to fabrication drawings produced on a CAD system. Stringent quality control is essential at every step of the manufacturing process. Every Valve is tested to API standard No. 598 and issued a serial installed in a horizontal or down-flow position, Greenwood Valves remain in an open mode. The fusible link assembly holds the disc up out of the material flow until an emergency arises.

6 Upon release, the spring-assisted handle & shaft assembly rotate the disc into the flow of the material. Pressure from the material flow compliments the spring assembly to insure a positive seal between the disc and emergency conditions are resolved, the internal relief Valve helps to equalize the line pressure when the external handle is reset to its normally open position. The fusible link and other optional Electric or pneumatic release devices are, then placed into SizeValve Class PSIC onnection Type Face to FaceActuator ClearanceShaft Cover ClearanceBonnet ClearanceApproximate Weight2 in150, 300, 600 Flanged9-1/2 in13 in5 in5 in452 in900 Flanged13-1/2 in13 in5 in6 in803 in150, 300 Flanged12-1/2 in14 in6-1/2 in6-1/2 in803 in600, 900 Flanged15 in14 in6 in8 in1154 in150, 300 Flanged15 in17 in8 in10 in2004 in400, 600 Flanged16 in17 in8 in10 in2104 in900 Flanged16-5/8 in17 in8 in10 in2156 in150, 300 Flanged17-1/2 in20 in11 in10 in3006 in400, 600 Flanged18-1/2 in20 in11 in10 in3208 in150, 300 Flanged20 in21 in12 in12 in4108 in600 Flanged21-5/8 in21 in12 in12 in44010 in150, 300 Flanged24-1/2 in21 in13 in13 in75012 in150, 300 Flanged26 in24 in14 in13 in92014 in150, 300 Flanged31-1/4 in25 in15 in16 in138016 in150, 300 Flanged34-3/8 in30 in18 in20 in270018 in150.

7 300 Flanged36 in26 in16 in19 in275024 in150 Flanged45 in29 in19 in20 in3750 Notes: Clearance dimensions approximate. Consult factory for further information. Dimensions are for fusible link only models. Optional release mechanisms, actuators, limit switches and other accessories will increase clearances required. Consult factory for specific models and configurations2 600 lb. Threaded Greenwood Union BlindGREENWOOD LINE BLIND UNIONSO perating on the principle of a conventional threaded line union, the Greenwood Line Blind Union offers a simple and time-saving means of obtaining positive leak-proof shutoff. Common applications include compressor air and fuel lines, boiler and heater burner manifolds, storage tank foam lines and steam Unions employ a reversible figure-B spectacle plate with O-rings to insure fully open and fully closed lines. A specially designed safety-slot is incorporated in the stationary seat to prevent spectacle blow-out.

8 Simply loosen the nut to spread the seats, end-to-end the spectacle, and then re-tighten the nut to draw the seats together. O-ring seals on machined spectacles provide a positive seal against leakage. DIMENSIONSV alue Size (in) - #600 Value Size (in) - #3000 Description1/2 & 3/4 1 1-1/2 2 1/2 & 3/411-1/22 Overall Length Center to Top of PlateA3-7/844-3/44-7/844-3/44-7/85-5/8 Spectacle Max. Width AcrossB33-1/44-3/85-1/83-1/44-3/85-1/85- 7/8 Corner of Nut Thickness ofC2-3/82-3/42-3/44-3/82-3/42-3/44-3/85- 5/8 Spectacle Plate Face of ValveD3/83/85/85/83/85/85/811/16 Spectacle PlateE1-1/41-1/41-1/21-1/21-1/41-1/21-1/ 23-3/8 Net Weight (lbs) 2-1/42-3/44-1/25-1/42-3/44-1/25-1 Steel24O-RingsViton Teflon31 Hex NutZinc Plated Carbon Steel41 Moveable SeatZinc Plated Carbon Steel51 Stationary SeatZinc Plated Carbon Steel61 Retaining RingStainless Steel71 Safety Slot2 Greenwood 3 Bolt 150 lb. Bolt BlindGREENWOOD BOLTED LINE BLINDSS imilar to standard line unions, the Greenwood Bolted Line Blind is a labor-saving positive-seal means of opening and Closing process lines.

9 Frequently found in petrochemical and cement plants, bulk loading and storage terminals, LPG and LNG gathering systems, marine facilities, steel mills, and food processing facilities, Greenwood Bolted Line Blinds are an economical solution to positive flow and positive equally-spaced spreader bolts separate the flanges to free the figure-8 spectacle plate. Reverse the self-centering spectacle to the open position for a full bore flow connection with metal-to-metal seat and secondary O-ring seal. Re-tighten the spreader bolts to restore a leak-proof connection. O-ring grooves in the spectacle enable easy replacement of the seals. Stainless helicoils insure longer thread life and greater strength. Line status is clearly visible from a distance. Standard blinds are available in carbon steel with butt-weld end connections with Viton seals. Pressure classes include 150 or 300 in either schedule 40, 80 or 160. Special materials, end connections or seals are available on (in)150 lbs300 lbsSizesABCABC1/24-1/833-1/24-1/233-3/43 /44-1/23-3/43-7/84-7/83-3/44-5/814-3/44- 5/84-1/45-1/44-5/84-7/81-1/25-3/85-5/855 -7/85-5/86-1/825-1/27-1/866-1/87-3/86-1/ 2368-3/47-1/26-7/88-3/48-1/446-9/610-3/4 97-1/3210-3/41057-3/412-1/4108-5/8141167 -3/413-3/4118-3/4141188-3/417-1/413-1/29 -3/411-1/41510925-1/41610-3/820-1/217-1/ 21210-3/8 1911-3/42520-1/21411 2112-7/8 231611-1/8 23-1/213-1/4 25-1/21812-1/2 2514-3/8 282013 27-1/214-3/4 30-1 FlangeA105 FlangeA105 Plated or Teflon53 Bolts4140 HT Steel62 Centering SAMPLING VALVESG reenwood Self- Closing Sampling Valves are designed to allow safe and Quick sampling of volatile liquids under pressure on process lines, storage tanks or pressure vessels.

10 Depressing the manual lever releases a spring-assisted plunger to draw off liquid. Releasing the lever reseats the Viton or Teflon seal against the Valves machined seating surface. Standard sampling Valves are 316 stainless steel. Flow reducers available upon : 1/2 in. and 3/4 in. NPTP ressure: ASME 300psiOverall Length: 4 Weight: 2 (3/4 in)2 Stem3 Valve Guide4 Spring Cap5 Lever6 Lever Pivot7 Spring8O-Ring9 Spring Cap Gasket10 SealAUTOMATIC DRAIN VALVEG reenwood Automatic Drain Valves prevent the accumulation of fluids, condensation, or contaminants in fire lines, standpipes, and other pipelines. When the system is unpressurized, the internal spring tension exceeds the expected static head and the Valve opens. This allows fluids to escape and reduces the danger of line freezing, rupture and corrosion. When line pressure is applied, the Valve automatically closes and stops flow. All components are brass except the stainless steel Viton covered stem.