UHT Valve Schedule

Valve #

Valve Type

Function

AA

Manual plug

Allows flow from product tank to system.

Closed if valve 2 is open.

AB

Manual plug

Allows flow from water tank to system. 

Closed if valve 1 is open.

AC

Manual ball

Allows flow to drain from Plate HX.

AD

Manual gate

Opens water make up to Shell and Tube HX/Plate HX loop.

AE

Pressure reducing

Protects against excessive line pressures.

AF

Pressure relief

Safety valve opens to drain if overpressurized conditions are present.

AG

Manual

To pressure indicator.

AH

Manual ball

Allows flow to drain.

AI

Manual gate

Steam isolation valve.  Opens steam to Shell and Tube HX system.

AJ

Manual ball

Opens to drain to remove all condensate from steam.

AK

Manual

To pressure indicator.

AL

Diaphragm actuator

Regulates pressure from steam.

AM

Manual

To pressure indicator.

AN

High pressure safety

Relieves excess steam pressure to drain.

AO

Check

Prevents flow to steam injection tee from backing up.

AP

Manual gate

Opens steam to steam filter.

AQ

Bleeder 

Allows steam filter to be adjusted.

AR

Manual ball

To pressure indicator.

AS

Diaphragm actuator

Regulates pressure from steam.

AT

Manual ball

To pressure indicator.

AU

Manual gate

Allows steam to Scraped Surface HX system.

AV

Manual ball

Allows flow to drain.

AW

Manual

To pressure indicator.

AX

Diaphragm actuator

Regulates pressure from steam.

AY

High pressure safety

Relieves excess steam pressure and opens to drain.

AZ

Manual

To pressure indicator.

BA

Manual gate

Allows cooling water into Cooling Tubes.

BB

Manual gate

To outlet for cooling water from Cooling Tubes.

BC

Manual diaphragm

Regulates flow to Flash Vessel.

BD

Manual gate

Allows cooling water into condenser.

BE

Manual gate

Outlet for cooling water from condenser.

BF

Manual ball

Allows flow to vacuum gage.

BG

Manual ball

Allows water to drain

BH

Vacuum control

Allows air to bleed to adjust vacuum

BI

Check Valve

Prevents flow to drain from returning to P5.

BJ

Manual gate

Opens seal water make up to P5.

BK

Solenoid

Regulates water pressure to P5.

BL

Manual gate

Allows cold water into Plate HX.

BM

Manual gate

Outlet for cold water from Plate HX.

BN

Manual diaphragm

Regulates flow to surge tank.

BO

Manual plug

Outlet for product flow.