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Valves

Common System Parts - Water Flow - Valves:

Flow Control

Check

(Anti-scald)

Mixing

Pressure Relief

PRV

(Pressure regulating)

Flow Control
Check

(steam)

Ball

Disc

Lift

Multi-Turn

Diaphragm

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Gate

Quarter Turn

(Offset)

Butterfly

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Angular Ball Check

1:55

Valves - Check - Ball -

Angular

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Horizontal Ball Check

2:03

Valves - Check - Ball -

Horizontal

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Dual Disc

1:43

Valves - Check - Disc -

Double

Tilting Disc

1:58

Valves - Check - Disc -

Tilting

Gravity Lift

0:11

Valves - Check - Lift -

Gravity

Gravity driven piston, no spring.

Spring lift

2:16

Valves - Check - Lift -

Spring

Swing Check

1:49

Valves - Check - Swing 

Nozzle Check

0:34

Valves - Check - Nozzle

MultiPlex

4:44

Valves - Mixing - 

Multi-Flex

Three way

4:55

Valves - Mixing - 

Three Way

Safety

7:25

Valves - Safety

Steam

Rubber Disc Diaphragm Valve

5:29

Valves - Flow Control -

Multi-Turn - Diaphragm -

Rubber Disc

Iris Diaphragm

1:16

Valves - Flow Control -

Multi-Turn - Diaphragm -

Iris

Gate Comparison

5:17

Valves - Flow Control -

Multi-Turn - Gate -

Comparison

Rising Stem Gate

3:46

Valves - Flow Control -

Multi-Turn - Gate -

Rising Stem

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Non-Rising Stem

1:36

Valves - Flow Control -

Multi-Turn - Gate -

Non-Rising Stem

Globe

2:04

Valves - Flow Control -

Multi-Turn - Globe

Needle

2:22

Valves - Flow Control -

Multi-Turn - Needle

Ball

2:22

Valves - Flow Control -

Quarter Turn - Ball 

Concentric Butterfly

2:22

Valves - Flow Control -

Quarter Turn - Butterfly -

Concentric

Eccentric Butterfly

3:28

Valves - Flow Control -

Quarter Turn - Butterfly -

Eccentric

Offset and closes on a metal flange area for better seating control

Safety Valves Compared

5:37

Valves - Pressure Relief -

Direct vs. Pilot Operated

Pinch

1:52

Valves - Flow Control -

Multi Turn - Pinch

PRV: Pilot Controlled

4:34

Valves - PRV -

Pilot Controlled

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Pilot Controller

PRV: Self Regulated

3:35

Valves - PRV -

Self Regulated

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