H Stamp Steam Boilers

Question 1

ASME Stamping?

Answer 1

Yes -Cast Iron has nameplate with serial number

Question 2

NB Number?

Answer 2

Yes except cast iron

Question 3

Serial Number?

Answer 3

Yes each vessel has a NJ serial number.

Question 4

Gage or Siphon?

Answer 4

Yes to both

Question 5

Feed water valves?

Answer 5

Needs a stop and check valve

Question 6

What hydrostatic pressure cast iron undergoes?

Answer 6

45 Psi

Question 7

Pressure controls?

Answer 7

Operating pressure control and high limit pressure with manual reset

Question 8

What king of stop for return if on supply?

Answer 8

Steak stop

Question 9

Gage glass?

Answer 9

Yes it needs a water gage glass

Question 10

What size bottom drain?

Answer 10

Minimum 3/4” bottom drain and blow-off

Question 11

LWCO?

Answer 11

2 with manual reset. One needs to be drainable

Question 12

What level indicator is required ?

Answer 12

Minimum safe water level indicator

Question 13

MSRV required?

Answer 13

Yes the MSRV is required to know what is needed?

Question 14

ASME data report?

Answer 14

Required except for cast iron

Question 15

Where do feedwater enter through?

Answer 15

Feedwater should enter through the return piping

Question 16

Safety valve position?

Answer 16

Vertical position

Question 17

Interior of return piping?

Answer 17

A means shall be provided for the cleaning the interior of return piping at or close to the boiler of any boiler installed after 1995

Question 18

H Stamp hot water boilers

Nameplate includes temperature

Answer 18

Yes it requires the temperature on the nameplate

Question 19

Temp controls?

Answer 19

Yes one operation and high limit with manual reset. Should not exceed 250 degrees F

Question 20

ASME Expansion Tank?

Answer 20

If Relief valve is over 30 psi

Question 21

Hydro test?

Answer 21

Mawp or if field erected is 1.5 x Mawp

Question 22

S steam power boilers

Blow off tank?

Answer 22

Yes New Jersey requires a blow off tank for power boilers

Question 23

Galvanized piping?

Answer 23

Not for power boilers. Galvanized piping tend to corrode when dealing with water

Question 24

CSD-1

Lockout or switches?

Answer 24

Local electrical lockout on or adjacent to boiler. Emergency shut down switch at all boiler room entrances or at head of stairs going to the basement

Question 25

Manifolds?

Answer 25

Gas train, atmospheric vents, and gas vents should not be manifolded together

Question 26

HLW heaters Relief valve position?

Answer 26

Horizontal relief valve is okay

Question 27

Supply and discharge valves?

Answer 27

Stop valves in supply and discharge

Question 28

Expansion tank?

Answer 28

Has to be ASME

Question 29

Temp controls?

Answer 29

2 temp controls and high limit can’t allow temperature above 210 degrees

Question 30

Expansion tank shut off valve?

Answer 30

Yes shut off to expansion tank is required

Question 31

Pressure reducing valve?

Answer 31

If water supply pressure exceeds 75% of srv set pressure, a pressure reducing valve is required

Question 32

Srv relieving capacity for electric heaters?

Answer 32

3500 btu/he per kw of input