History of Spence
Direct & Pilot Operated Regulators
Miscellaneous
Control Valves & Steam Traps
Spence Literature
100

Identify the correct Spence Logo:

REFER TO WORKSHEET

B

100

What are the 3 essential elements of a regulator?

Restricting

Measuring

Loading

100

True or False: (justify reasoning)

Control line placement does not affect how a regulator operates.

False: 

Improper install causes valve to respond slowly 

Improper install causes control of wrong pressure 

Improper install causes failure

100

In order to operate economically and efficiently, all steam systems must be protected against 3 factors:

1. Condensate

2. Air 

3. Non-Condensible Fluids


100

How do you obtain a Spence Designer's Guide?

Spence Website

Portal

200

True or False: In 1984, Spence family sold the company to Watts Industries

True

200

What are the two most common places for a regulator to fail?

Disc 

Orifice

200

What are the 4 Troubleshooting Steps?

1. Define the Problem

2. Gather the Information

3. What is the Application?

4. Think through the Product Operation

200

Name the main components of a control valve

Port size

Actuator size

200

List 5 things that can be found on the SpenceValve.com website.

Designer's Guides (x2)

Data Sheets

Instruction Manuals

Schematics

Find a representative 

Sizing Tool

Brochures

300

In June 2021, the Walden, New York manufacturing facility closed and all production moved to ________________.

El Salto, Mexico

300

What is known as the "Money, Money, Money" Regulator?

E-main with Noise Suppression

300

When considering control line placement, a rule of thumb to follow is to place the control line ___ to ____ pipe diameters downstream of any turbulence generator.

6 to 10

300

A steam trap is an automatic valve which discharges _________, ______ and ___________ from a system while trapping, or holding in, ______.

A steam trap is an automatic valve which discharges condensate, air and non-condensibles from a system while trapping, or holding in, steam.

300

Name 3 example of Steam Applications

Universities

HVAC

Residential

Heating

Propulsion

Atomization

Moisturization 

Motive Fluid

400

Identify which Regional Sales Manager is over the territory below:

REFER TO WORKSHEET

Orange= Mike Mulder

Blue= Neil Davies

400

List 4 product failure modes that could be seen in a Direct-Operated Regulator:

Disc Damage

Orifice Damage

Diaphragm Damage 

Spring Damage 

Stem Seizes

Vent Plugged

400

When you sell a pilot op regulator, what are the three main parts to be ordered?

1. Pilot

2. E-Main

3. Bends & Fittings

400

List 5 Qualities of a good Steam Trap:



A good steam trap should: 

▪ Discharge condensate, air and non-condensibles. 

▪ Be equal to the load over a wide range of pressures and temperatures. 

▪ Be freeze-proof where necessary. 

▪ Be simple and rugged. 

▪ Have few moving parts. 

▪ Require low maintenance and spare parts inventory. 

▪ Have a long life.

400

Using the Series 2000 Instruction Manual, tell me what Key 7 and Key 12 are.

Figure 8 

7 = V packing assembly 

12= frame locking nut

500

When was Spence acquired by Emerson?


2019

500

What are the advantages of a direct-op regulator over a pilot-op regulator?

Direct-Op, compared to the Pilot-Op:
- Fastest responding
- More cost-effective
- Greater droop
- Lower capacity
- Easier to maintain (simpler design)

500

What are the three Pilot-Op Regulator Main Valve types?

E, E2 and E5

500

Walk me through the operation of the DURA-FLO INVERTED BUCKET STEAM TRAPS using the images below:

REFER TO WORKSHEET

Refer to the Host

500

Using the Series 2000 Instruction Manual fill out the image on the worksheet:

Figure 3, labeling 

refer to host

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