Valve relief
An apparatus designed to raise the temperature of a fluid by bringing it into proximity with another fluid of higher temperature so that heat transfer is effected by direct contact or by passing those fluids through pipe(s), tube(s), or coils which are submerged in a tank of hot water or steam which is supplied from an outside source. The fluid is never stored in this tank. Excludes air conditioning, electric fluid heaters, and refrigeration equipment.
NSN 5999-00-275-0401
NSN 5999-00-146-3758
NSN 6620-01-654-7142
NSN 5925-01-391-3766
NSN 4140-00-368-4261
NSN 5998-01-463-7931
NSN 2925-01-197-7864
NSN 5935-01-013-8480
NSN 6650-01-561-6149
NSN 6220-00-076-0428
NSN 6150-01-620-3203
NSN 6150-01-300-6831