Dresser-Rand (Clark Heritage) Gas Engines

Upgrades/Modernizations

Equipment Designation
RA/
HRA/
HSRA		 BA/
HBA
HLA		 HBAT/
HLAT		 MA/
HMA/
HMB		 TMB/
TVM		 TRA VRA
(BOBCAT)		 TLA/
TLAB/
TLAC/
TLAD		 TCV/
TCVA/
TCVB/
TCVC
TCVD		 HRAT
Compressor "Cylinder End"                    
MagnumTM Valves for Process Compressors X X X X X X X X X X
Poppet Valves for Process Compressors X X X X X X X X X X
PF Valves for Reciprocating Compressors Consult Product Engineering
Poppet Valves for Gas Transmission X X X X X X X X X X
Capacity Control Systems X X X X X X X X X X
RAM Valve Retaining System X X X X X X X X X X
O-ring Valve Covers Consult Product Engineering
Pressure Pick-up Assembly x x x x x x x x x x
Cylinder Liners x x x x x x x x x x
Three-piece Compressor Pistons Consult Product Engineering
Single-piece Compressor Pistons
(with rider bands inboard of piston rings)		 Consult Product Engineering
Single-piece Compressor Pistons
(with rider bands outboard of piston rings)		 Consult Product Engineering
Single-piece Aluminum Pistons (with integral steel ring carrier) Consult Product Engineering
Piston Rings and Rider Bands x x x x x x x x x x
Packing Cases x x x x x x x x x x
TC3 Coated Piston Rods x x x x x x x x x x
Piston Nuts x x x x x x x x x x
Crosshead Jamnuts Consult Product Engineering
Distance Piece Bolting and Spacers x x x x x x x x x x
Fugitive Emissions Reduction                    
Purged Packing Cases x x x x x x x x x x
Inert Buffer Gas Control Systems x x x x x x x x x x
RAM Valve Retaining System x x x x x x x x x x
O-ring Valve Covers Consult Product Engineering
Pressure Pick-up Assembly x x x x x x x x x x
Port, Valve, Plug and Clearance Pocket Unloaders x x x x x x x x x x
Valve Cover and Unloader Cover Gaskets x x x x x x x x x x

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