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Crosby style JCe safety ValVe
InstallatIon, MaIntenance and adjustMent InstructIons
oPEn tyPE EasIng gEar
Valves which are used for steam or compressed
air are normally fitted with open type easing
gear.
this type of easing gear can also be used on
other fluids where a small escape of the fluid
to atmosphere, when the valve is discharging,
is not objectionable. It is normally fitted on
conventional type valves only. the purpose of
the easing gear is to check that the valve can
operate freely.
PaCkED EasIng gEar
alternatively packed easing gear can be
supplied. this is used when the fluid can not
be allowed to escape to atmosphere except
through the outlet connection, but where it
is necessary to check that the valve is free to
operate.
rEsIlIEnt sEat
the standard construction using metal-to-
metal seats lapped to IMI Bailey Birkett's high
standard is suitable for most applications.
elastomeric seals are supplied as conditions
dictate.
Neither emerson, emerson automation solutions, nor any of their affiliated entities assumes responsibility for the selection, use or maintenance of any product.
Responsibility for proper selection, use, and maintenance of any product remains solely with the purchaser and end user.
Crosby is a mark owned by one of the companies in the emerson automation solutions business unit of emerson electric Co. emerson automation solutions, emerson
and the emerson logo are trademarks and service marks of emerson electric Co. all other marks are the property of their respective owners.
the contents of this publication are presented for informational purposes only, and while every effort has been made to ensure their accuracy, they are not to be
construed as warranties or guarantees, express or implied, regarding the products or services described herein or their use or applicability. all sales are governed by
our terms and conditions, which are available upon request. We reserve the right to modify or improve the designs or specifications of such products at any time without
notice.
emerson.com/finalControl
Parts lIst
Item number
Part name
3
Open type bonnet
56
fulcrum pin
61
spindle nut
73
Marine easing lever
75
grub screw
83
spindle washer
Parts lIst
Item number
Part name
3
Packed type bonnet
28
Cap gasket
35
tension pin
57
gland
58
gland packing
61
spindle nut
70
eccentric shaft
73
Packed easing lever
82
spindle lock nut
Parts lIst
Item number
Part name
5
Resilient disc
53
O-ring seal
65
Circlip
66
Retaining plate
o-ring material
temp. range
a. Viton
-30 to 200°C
B. Nitrile
-40 to 100°C
Other materials may be available upon request
fIgURe 2
Open (marine) easing gear
fIgURe 3
Packed easing gear
fIgURe 4
Resilient disc
5
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