Recommended Hot Fluid System Components & Suppliers
To 1-1/2” diameter
ASTM A-106 Grade B schedule 40 seamless carbon steel pipe.
Greater than 2″ diameter
ASTM A-53 Grade B schedule 40 seamless carbon steel pipe
To 1” diameter
ASTM A-106 Grade B schedule 80 carbon steel pipe
From 1” to 2”
ASTM A-106 Grade B schedule 40 carbon steel pipe
Greater than 2”
Threaded installations are not recommended
To 4″ Pipe Diameter
ASTM A-181 1/16” raised face 300 lb rating
Greater than 4”
ASTM A-181 1/16” raised face 150 lb rating
Flexible graphite. (Grafoil™, Garlock™ or equal).
Expanded/filled PTFE below 450°F/232°C (Goretex™, Garlock™ or equal).
ASTM A-193 Grade B7.
ASTM A-194 Grade 2H.
Deacon 770 P or L or
LA-CO Slic-tite Paste
Globe valves with bellows seals (ARI or equivalent).
Gate valves provide 100% shut off, 0 pressure drop when open
Pump Fire Suppression System
Wechsler Technologies & Engineering
Dean (RA2000/3000 series), Dickow (NKL series), MP (HTO series), KSB Pumps (Etanorm SYT and HPK/HPKL)
Viking Internal Gear Universal Seal
Tungsten carbide vs silicon carbide face type mechanical seals are recommended.
Fluoroelastomer (VitonTM or equal)
Perfluoroelastomer (ChemrazTM, ZalakTM, KalrezTM or equal).
Closed cell (Pittsburgh Corning foamed glass) is recommended for all installations.
Mineral fiber, fiber glass or calcium silicate can be installed on straight pipe runs or other locations where the potential for leaks is low. The material should not be used with 2’ of a potential leak point. Flanges should not be insulated.