Deliverables

5 ITP for ball

Valve replacement criteria valve

values

Standardized data sheet of ball

3 Maintenance Task List

4 Risk Rating for valves

how to know

Refurbished value

SW EC codes 200 ish companies

for valve

MPA ball Valve under Asriel filtered

companies

API GD

State Body Shell

Hydro

Hydrostatic Seat

Norson standard M 650 Qualification of manufacturer

for special arterial

exxon rt this fo Duplex valve

supply

OSL 3

API 6D purchase to specify

else by defeat

QSL 1

MIR Valve Presentation

Groove on seat 1.6mm roughness

Ring

Tweed

Lip seal overlay

Ra 0.4mm

mirro

an.in

Lip seal is not

superior eventhough

its expensive

mainly

used for high temp

2 pieces

slotted into
of lip seal

the Lip

Lipsealbe.si

weld

Requires

overlay

slotted

above class 600

A ED Oring typically

After months gas

coring
into

molecules might go

Tag the
orig Then Corey will

go into explosive decompression

valve will be

f 5cal at seat fails

passing

double

lip 30

seal

design 1

Seal injection t

Ew.ws

all

at scat ring debris

will

typically there

be 4 injection

points

OEMRecommendation

c
Sealing for temp sealing

2 Flushing to flush out debris

µ
spring effect

Spring

is constant

of Seating

Effect

Key Seal Considerations

Sealing surface vendor

Set Pocket or on

Separation C vendor influenced

Type of Seal client influenced

o ring Clipseal


FUNCTION Valve

Pressure Control

Pressure Retaining

To support
the valve to the floor

value manufacturer what

tell the

foot print available

the valves to the

locking is not value is

bottom good

not an anchor
put slots

If need to be bolted

bolt

slot holes

I.E.IT

to 25

MIR design life 20 year

soft parts failed first

to
5 years

recommendations
materials such

as

replace soft

seeds etc

0 rings lip

challengable

PE

DPE will seal

SPE will relief

AED

Metalseat

metal
seat

with
integral

the seat piece

no seat insert

150 400 UM

avoid 400

too thick

will crack

Lapping will remove Tcc coat

Rate A valve metal seated

Lapping

Machine

done

on ball

seat

need to have dP to have piston effect

 desirable
SR is
in liquid system
self relieving
will relieve
itself under
pressure

Equalizinglt device
D not permitted pressure relieving
as
this
why PETRONAS put

Equalizing line will reduce the size

of actuators 3 Use vpak at the stem
to reduce risk of emission