Regulators

Question 1

Regulators reduce pressures from what?

Answer 1

Pounds to pounds
Pounds to inches
Inches to inches

Question 2

Pounds to pounds does what?

Answer 2

Reduce high pressure to distribution

Question 3

Pounds to pounds reduces from distribution pressure to elevate Les delivery pressure which is blank

Answer 3

2 psig

Question 4

Pounds to inches does what?

Answer 4

Reduce distribution pressure to standard delivery pressure which is 7.0” water column

Question 5

Inches to inches does what ?

Answer 5

Reduce standard delivery pressure to lower pressure for appliances

Question 6

What are 3 essentials elements of a regulator ?

Answer 6

1- restricting orifice
2- measuring diaphragm
3- loading spring

Question 7

Downstream is the blank side

Answer 7

Outlet

Question 8

Upstream is the blank side

Answer 8

Inlet

Question 9

Turn adjusting screw blank to increase pressure

Answer 9

Clockwise

Question 10

Turn adjusting screw blank to decrease pressure

Answer 10

Counterclockwise

Question 11

Standard delivery pressure is what?

Answer 11

7” water column

Question 12

What does lock up mean ?

Answer 12

No gas usage downstream
Pressure builds up underneath the diagram
Pressure overcomes the spring tension
Closes the valve and stops the flow of gas

Question 13

What is the purpose of the regulator vent ?

Answer 13

The vent ensures the diaphragm can move freely during normal operation by allowing the regulator to breath

Question 14

What does irv mean

Answer 14

Internal relief valve

Question 15

What is the purpose of a irv

Answer 15

To provide over pressure protection on the house line by relieving access pressure from under the diaphragm

Question 16

What are the regulator vent requirements

Answer 16

-Vent must terminate downward
-must have screen in place to prevent insect/debris from plugging up vent 

Question 17

What are the service regulator vent requirements in California in Nevada? 

Answer 17

Must have a minimum of 18 inches separation from any open into any building open flame device 

Question 18

What are the service regulator event require requirements for California Nevada?

Answer 18

Must have a minimum of 3 feet of separation from any mechanical or forced air intake so I’m cooler
This may be done by extending the regulator vent 

Question 19

What is the Arizona requirement for service regulator vent?

Answer 19

Minimum of 3 foot separation from any source of ignition, open flame, mechanical or forced intake or opening into any billing

Question 20

High pressure is identified by what for a one three-quarter band

Answer 20

61 to 25 PSIG

Question 21

High pressure is identified by two three-quarter bands for what

Answer 21

Over 125 PSIG

Question 22

What does HPR mean 

Answer 22

High pressure regulator

Question 23

What are requirements for an HPR?

Answer 23

Pounds to pounds outlet pressure set at 35PSIG

Question 24

What does PLV mean?

Answer 24

Pressure limiting valve

Question 25

What is the purpose of a PLV?

Answer 25

The disc brake if pressure reading is exceeded, closing the valve and shutting down gas flow if too much gas is being wet through than what it’s required

Question 26

What is the lock up pressure?

Answer 26

Maximum one and a half times flow pressure

Question 27

What is the purpose of a manometer?

Answer 27

Accurately measure standard delivery pressure

Question 28

What is the approved digital gauge?

Answer 28

Crystal gauge