Recommended Systems
Flange “Leak Detector System” (patent pending)
Each turbine may vary, so please insure you verify sizes and pressure ratings - see below.
Recommended Systems: (EXAMPLE - All 300 LB connections unless noted)
GE 7FA Total 279
Fuel Gas Piping: 14 EA ¾”, 28 EA 1”, 42 EA 1 ¼”, 28 EA 1 ½” , 8 EA 2", 4 EA 3", 4 EA 4" - Reference ML962
Fuel Gas Interconnect: 2 EA 3", 5 EA 4", 2 EA 5" - Reference ML969G
False Start Drain: 25 EA 1 ½”, 4 EA 4" - Reference ML920
Air Extraction: 14 EA 1 ¼”, 14 EA 2", 30 EA 3", 6 EA 6", 7 EA 8" - Reference ML924
Compressor: 4 EA 2"-150 LB, 8 EA 4"-150 LB, 8 EA 6"-150 LB, 18 EA 8"-150 LB, 4 EA 2" - 300 LB -
Reference ML909
GE 7EA Total 126
Fuel Gas Piping: 30 EA - 1 ¼”, 10 EA 1 ½”, 20 EA 2", 10 EA 4", 5 EA 5" - Reference ML962
Air Extraction: 18 EA 3", 3 EA 8" - Reference ML924
Cooling and Sealing Air: 6 EA 2"-150 LB, 14 EA 3"-150 LB, 2 EA 4"-150 LB, 6 EA 5"-150 LB, 2EA 8"-150LB - Reference ML909
GE 7001C Total 22
Fuel Gas Pigtail Flanges: ANSI 300 LB Class; Size 1 1/4 inch; Quantity 20
Manifold Ring Flanges: ANSI 300 LB Class; Size 4 inch; Quantity 2
SIEMENS 501FD2 Total 144
Fuel Gas Control Valves to the Support Housings and Pilot Nozzles
Stage A: 32 EA 1 1/2", 4 EA 4"
Stage B: 32 EA 1 1/2", 4 EA 4"
Stage C: 32 EA 1", 1 EA 2", 3 EA 4"
Pilot Stage: 32 EA 1", 1 EA 2", 3 EA 3"
SIEMANS 501AA Total 34
Fuel Gas Pigtail Flanges: ANSI 300 LB Class; Size 1 1/4 inch; Quantity 32
Manifold Ring Flanges: ANSI 300 LB Class; Size 4 inch; Quantity 2
SIEMENS 501D5/D5A - pending
SIEMENS 501G - pending
NOTE: The “Leak Detection System” covers 150, 300, and 600 lb. flange assemblies and pipe sizes from ¾” to 24”.

Lap Joint Flange Class 150 lb.
Lap Joint Flange Class 300 lb.
Lap Joint Flange Class 600 lb.