Appendix B Specifications for Vertical Single-Acting Models

Transcription

1 Appendix B Specifications for Vertical Single-Acting Models 9 69 Equipment Type and Options Single-acting, vertical, reciprocating piston type vapor compressor Single packed rod NPT or Class 300 RF connections Features and Benefits Applications Bulk transfer Vapor recovery Tank evacuation Gas scavenging Self-lubricating piston rings: NPT or Class 300 RF connections: Multiple mounting configurations: High efficiency valves: Reversible oil pump: Simplified top down design: Non-lubricated operation to minimize oil in gas Quiet, reliable operation Allows operation in either direction Routine maintenance is minimally invasive Operating Specifications Model Bore of cylinder inches (mm) 3.0 (76.) 3.0 (76.) 4.0 (0.6) 4.5 (4.3) Stroke inches (mm).5 (63.5).5 (63.5) 3.0 (76.) 4.0 (0.6) Piston displacement cfm (m 3 /hr) 400 RPM 4. (7.0) 8. (3.9) 7.5 (9.7) 9.5 (50.0) 85 RPM 8.4 (4.3) 6.9 (8.7) 36.0 (6.) 60.7 (03.) Maximum working pressure psig (bar g) 335 (3.) Maximum brake horsepower (kw) 7.5 (5.6) 5 (.) 5 (.) 45 (33.6) Maximum rod load lb (kg) 3,600 (,63.9) 3,600 (,63.9) 4,000 (,84.4) 7,000 (3,75.) Maximum outlet temperature F ( C) 350 (77) Maximum flow propane gpm (m 3 /hr) 50 (.4) 0 (.9) 5 (48.8) 36 (8.0) These numbers specify pressure-containing abilities of the compressor cylinder and head. For many applications, factors other than the pressure rating will limit the maximum allowable discharge pressure to lower values. These factors include horsepower, temperature and rod load. 3

2 Appendix B Specifications for Vertical Single-Acting Models 9 69 Material Specifications Part Model Standard Material Head, Cylinder All Crosshead guide crankcase, flywheel, bearing carrier All Gray iron ASTM A48, Class 30 Flange 69 Valve seat and bumper Valve plate Valve spring 9, PH stainless steel PH stainless steel 9, 9 40 stainless steel PH stainless steel 69 PEEK 9, 9, PH stainless steel 49 Inconel Valve gaskets None Soft aluminum Piston All Gray iron ASTM A48, Class 30 Piston rod None 045 steel Nitrotec coated Crosshead All Gray iron ASTM A48, Class 30 Piston rings 9, 9, 49 PTFE, glass and moly filled 69 Alloy 50 Ring expanders All 30 stainless steel Packing cartridge, connecting rod All Packing V-rings 9, 9, 49 PTFE, glass and moly filled 69 Alloy 50 Crankshaft All Connecting rod bearing All Bimetal D- babbit Wrist pin All C08 steel Wrist pin busing All Bronze SAE J46 Main bearing All Tapered roller Inspection plate All Aluminum O-rings All Buna-N, Neoprene (optional) Retainer rings All Steel Misc. gaskets All Rubber compositions Registered trademark of TTI Group Ltd. Registered trademark of the DuPont company. 33

3 Appendix B Specifications for Vertical Single-Acting Models 9 89 Bolt Torque Values (in ft lb) Model Connecting rod bolt Bearing carrier Bearing cover Crankcase inspection plate Crosshead guide Cylinder to head, Valve cover plate bolt Valve holddown screw Piston locknut Piston screw Valve cap with gaskets Valve cap with O-rings Preliminary tightening snug all head bolts in the sequence shown. Final torqueing torque all head bolts in the sequence shown to the listed value. Retorque to the listed value after hour running time MODEL 89 34

4 Appendix B Specifications for Vertical Single and Double-Acting Models 9 89 Clearances and Dimensions for Single-Acting Models Model X piston clearance figure 5.4A and 5.4B Clearance from connecting rod bearing to crankshaft journal Clearance from wrist pin to wrist pin 6 bushing (M crankcase) Maximum cylinder bore diameter Cylinder finish (RMS) Minimum piston ring radial thickness Maximum clearance from oil pump adapter shaft to bushing N/A Crankshaft end play Maximum flywheel runout at O.D Maximum clearance from crosshead to crosshead guide bore Crosshead guide bore finish RMS (limited number of small pits and scratches are acceptable) Clearances and Dimensions for Double-Acting Models Model 89 X piston clearance figure 5.4A and 5.4B Clearance from connecting rod bearing to crankshaft journal 0.00/0.00 (bottom) 0.084/0.04 (top) Clearance from wrist pin to wrist pin 9 bushing Maximum cylinder bore diameter 4.55 Cylinder finish (RMS) 6 3 Minimum piston ring radial thickness 0.08 Maximum clearance from oil pump adapter shaft to bushing Crankshaft end play Maximum flywheel runout at O.D Maximum clearance from crosshead to crosshead guide bore Crosshead guide bore finish RMS (limited number of small pits and scratches are acceptable) Clearances should be set with machine cold. Dimensions for honing are included with new bushings (which must be installed, then honed). 35

5 Appendix B Specifications for Vertical Double-Acting Model D89/FD89 Equipment Type and Options Double-acting, vertical, reciprocating piston type vapor compressor Double packed rod Slip-on weld connections or Class 300 RF flanges Features and Benefits Applications Bulk transfer Truck, tank, railcar, barge unloading LTVR and scavenger applications Emergency evacuation Self-lubricating piston rings: Multiple materials and configurations: Multiple mounting configurations: High efficiency valves: Reversible oil pump: Simplified top down design: Non-lubricated operation to minimize oil in gas Quiet, reliable operation Allows operation in either direction Routine maintenance is minimally invasive Operating Specifications Model D89/FD89 Bore of cylinder inches (mm) 4.5 (4) Stroke inches (mm) 4.0 (0.6) Piston displacement cfm (m 3 /hr) 400 RPM 56.6 (96.) 85 RPM 6.8 (98.4) Maximum working pressure psig (bar g) 450 (3.0) Maximum brake horsepower (kw) 45 (34) Maximum rod load lb (kg) 7,000 (3,75.) Maximum outlet temperature F ( C) 350 (77) Maximum flow propane gpm (m 3 /hr) 694 (57.6) These numbers specify pressure-containing abilities of the compressor cylinder and head. For many applications, factors other than the pressure rating will limit the maximum allowable discharge pressure to lower values. These factors include horsepower, temperature and rod load. 36

6 Appendix B Specifications for Vertical Double-Acting Model D89/FD89 Material Specifications Part Standard Material Head, cylinder, and cylinder cap Crosshead guide Gray iron ASTM A48, Class 30 Crankcase, flywheel Gray iron ASTM A48, Class 30 Bearing carrier Gray iron ASTM A48, Class 30 Flange ASTM A36 carbon steel (D89 only) Valve seat, bumper 7-7 PH stainless steel Valve plate PEEK Valve spring 7-7 PH stainless steel Valve gaskets Soft aluminum Piston Piston rod 045 steel, Nitrotec Crosshead Piston rings PTFE, glass and moly filled Piston ring expanders 30 stainless steel Packing cartridge and barrel Connecting rod Segmented packing Carbon filled PTFE V-ring packing Alloy 50 Crankshaft Connecting rod bearing Bimetal D- SAE Wrist pin C08 steel or equivalent Wrist pin bushing Bronze SAE J46 Main bearing Tapered roller Inspection plate Aluminum O-rings Buna-N or Neoprene (optional) Retainer rings Steel Miscellaneous gaskets Rubber compositions Registered trademark of the DuPont company. 37