32
Anderson Greenwood
SerieS 9300 Pilot oPerated Safety relief ValVeS
InstallatIon and MaIntenance InstructIons
9 Accessories, oPtions And Accessory
rePAir kit
9.1 Accessories
1. field test connection
• In-service verification of set pressure.
• Simplifies the periodic testing of pressure
relief valves.
2. Backflow preventer
• Prevents accidental reverse flow through
pressure relief valve.
10 lubricAnt And seAlAnts for series 9300
(only include lubricants referenced in the manual)
9.2 options
1. Manual unloader
• Permits the pressure relief valve to be opened
at pressures below the nameplate setting.
• Acts as manual override to normal
pressure setting, but has no effect on the
sealed pressure setting.
2. remote unloader
• Permits the pressure relief valve to be
remotely opened to depressurize the
system.
3. Pilot exhaust tubed to main valve outlet
(PeMVo)
• Eliminates any local venting of fluid media
from pilot.
4. remote pressure sense connection
• Pressure relief valve will respond to actual
system pressure conditions.
• Eliminates undesirable cycling due to
excessive inlet pressure losses.
• Improves safety under adverse operating
conditions.
9.3 - Accessory rePAir kit (06.0235.XXX)
Accessory
kit type
Material
dash number
Shuttle check
Soft goods
Ptfe
140
Shuttle check
Bolt
SSt
410
diaphragm
Soft goods
Ptfe
144
diaphragm
Bolt
SSt
414
Ball check
Soft goods
NBr
145
Ball check
Soft goods
fKM
146
Ball check
Soft goods
ePr
147
Ball check
Soft goods
Kalrez
®
148
10.1 - lubricAnts used on Pilot PArts
Pilot parts
description
lubricant
[1]
Pressure adjustment, screw and locknut
threads
dow corning 33, #05.1500.012
diaphragm and gaskets (91 and 93t pilots)
Seal surfaces between
cases and spacer ring
Slick stuff, #05.1500.015
Stainless steel case, bolts and nuts
threads
fluorolube lG 160, #05.1500.023
Carbon steel case bolts
threads
dow corning 33, #05.1500.012
Stainless to aluminum or aluminum parts
threads
dow corning 33, #05.1500.012
Sliding seals
Ptfe or elastomer
dow corning 33, #05.1500.012
Pipe fittings and vents
threads
Ptfe tape and dow corning 33,
#05.1500.012
1. for oxygen service use Krytoc 240aC
10.2 - lubricAnts And seAlAnts used on MAin VAlVe PArts
Main valve parts
description
lubricant
[1]
sealant
Carbon steel bolts, screws and nuts, fittings
threads
dow corning 33,
#05.1500.012
-
Stainless on stainless bolts, screws, nuts and
fittings
threads
fluorolube lG 160,
#05.1500.023
-
diaphragms and gaskets (91 and 93t)
Seal surfaces
between diaphragm
and cases
Slick Stuff #4,
#05.1500.015
-
Seat hub and jam nut
threads
-
loctite
Shaft assembly and diaphragm assembly jam nut threads
-
loctite
Sliding seals
Ptfe and elastomers dow corning 33,
#05.1500.012
-
Pipe fittings and vents
threads
Ptfe tape and
dow corning 33,
#05.1500.012
-
1. for oxygen service use Krytoc 240aC
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