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K
unkle Saf
ety and Relief Pr
oducts
T
yco reser
ves the right to c
hang
e pr
oduct design and specifications
KUKMC-0392
without notice
.
Cop
yright ©
2002 b
y
T
yco International Ltd.
8
Models 910,
911,
912,
913,
916,
917,
918,
919,
920,
921 and 927
Models 912,
913,
918,
919 ASME Section
VIII,
Steam/Air/Gas/ Liquid,
‘UV’
National Boar
d Cer
tified.
Also a
v
ailab
le
for V
acuum
Ser
vice
Ser
vice Recommendations f
or Resilient Seat/Seal Materials
Seat/Seal Materials
1
Ser
vice Recommendation
Air
, Anh
ydrous Ammonia, Butane
, Carbon Dio
xide
, Diesel Oil, Eth
yl Chlor
ide
, Eth
yl Ether
, F
reons #11
BUNA-N (-40°
to 275°F) [-40°
to 135°C]
and 12, Fuel Oil, Gasoline
, Helium, Hydrogen Sulphide
, K
erosene
, Lube Oil, Natur
al Gas
, Nit
rogen,
Oxygen (Gas), Propane
, Prop
ylene
, Sulphur Dio
xide
,
Vin
yl Chlor
ide
Acetone
, Air
, Am
yl Alcohol, Aniline
, Benzine
, Butane
, Carbon Disulphide
, Carbon
T
etr
achlor
ide
Do
wther
m
‘A’
and
‘E’, Eth
yl Chlor
ide
, Eth
ylene
, Eth
ylene Glycol, Eth
yl Alcohol, Gasoline
, He
xane
,
Viton
®
A (-10°
to 406°F) [-23°
to 208°C]
Hydrogen Sulphide
, Isob
utyl Alcohol, JP - 4 Fuel, JP - 5 Fuel, K
erosene
, Lube Oil, Natur
al Gas
,
Naphtha, Nitrogen, Propane
, Prop
ylene
, Prop
yl Alcohol, Sulphur Dio
xide
,
T
oluene
,
T
richloroeth
ylene
,
T
u
rpentine
, W
ater
,
Xylene
Silicone (-100°
to 406°F) [-73°
to 208°C]
Air
, Helium, Nitrogen, Oxygen (Gas)
Eth
ylene Prop
ylene (-70°
to 400°F) [-57°
to
205°C]
Steam, Hot
W
ater
Neoprene (-45°
to 300°F) [-43°
to 149°C]
Air
, Anh
ydrous Ammonia, Butane
, Butyl Alcohol, Castor Oil Denatured Alcohol, Ethanol, Eth
yl
Alcohol, F
reons (12, 13, 14 and 22), Glycols
, Natur
al Gas and Silicate Esters
Plain Le
ver
Threaded Cap
P
a
c
ked Le
ver
Note
1.
These recommendations are a guide only
.
F
or the final selection of the proper mater
ial,
y
our e
xper
ience with a
v
ailab
le elastomers of
v
a
rious lading fluids should be considered.
Specifications
Model
2
Orifice
Connections
Maxim
um Set Pressure
––-––––––––
Dimensions,
in [mm]
–––-––––––––
Appr
o
x
.
Number
ANSI Standar
d
psig [bar
g]
A
B
C
C
C
W
eight
Inlet Outlet
912-918
4
913-919
5
Plain
Threaded
P
a
c
ked
lb
[kg]
Le
ver
Cap
Le
ver
9*BDC
D
1
/ 2
”
[12.7]
3
/
4
”
[19.0]
300
[20.7]
900
[62.1]
2
3
/ 8
[60]
1
5
/ 8
[41]
8
3
/ 8
[213]
7
1
/
4
[184]
9
[229]
3
[1.4]
9*BDC
7
D
1
/ 2
”
[12.7]
1”
[25.4]
300
[20.7]
900
[62.1]
2
3
/ 8
[60]
1
5
/ 8
[41]
8
3
/ 8
[213]
7
1
/
4
[184]
9
[229]
3
[1.4]
9*BDD
3
D
3
/ 4
”
[19.0]
3
/
4
”
[19.0]
—
—
900
[62.1]
2
3
/ 8
[60]
1
5
/ 8
[41]
8
3
/ 8
[213]
7
1
/ 4
[184]
9 [229]
3
[1.4]
9*BDE
3
D
1
”
[25.4]
1”
[25.4]
—
—
900
[62.1]
2
5
/ 8
[67]
1
5
/ 8
[41]
8
5
/ 8
[219]
7
1
/ 2
[191]
9
1
/
8
[232]
3
[1.4]
9*BED
E
3
/ 4
”
[19.0]
1
1
/
4
”
[31.8]
300
[20.7]
900
[62.1]
2
5
/ 8
[67]
2
[51]
8
3
/ 4
[222]
7
5
/ 8
[194]
9
3
/
8
[238]
4
[1.8]
9*BEF
3
E1
1
/
4
”
[31.8]
1
1
/
4
”
[31.8]
—
—
900
[62.1]
3
[76]
2
[51]
9
1
/ 8
[232]
8
[203]
9
3
/
4
[248]
4
[1.8]
9*BFE
F
1
”
[25.4]
1
1
/
2
”
[38.1]
300
[20.7]
600
[41.4]
2
7
/ 8
[73]
2
3
/ 8
[60]
9
7
/ 8
[251]
8
3
/ 4
[222]
10
1
/ 2
[267]
6
[2.7]
9*BFG
3
F1
1
/ 2
”
[38.1]
1
1
/
2
”
[38.1]
—
—
600
[41.4]
3
[76]
2
3
/ 8
[60]
10
[254]
8
7
/ 8
[225]
10
5
/ 8
[270]
6
[2.7]
9*BGF
G
1
1
/ 4
”
[31.8]
2”
[50.8]
300
[20.7]
600
[41.4]
3
1
/ 4
[89]
2
5
/ 8
[67]
11
1
/
4
[286]
10
1
/
8
[257]
11
3
/ 4
[298]
8
[3.6]
9*BGH
3
G
2
”
[50.8]
2”
[50.8]
—
—
600
[41.4]
3
1
/ 4
[89]
2
5
/ 8
[67]
11
1
/
4
[286]
10
1
/
8
[257]
11
3
/ 4
[298]
8
[3.6]
9*BHG
H
1
1
/ 2
”
[38.1]
2
1
/
2
”
[63.5]
300
[20.7]
500
[34.5]
3
1
/ 2
[89]
2
3
/ 4
[70]
13
[330]
11
1
/
8
[283]
12
1
/ 2
[318]
11
[5.0]
9*BJH
J
6
2”
[50.8]
3”
[76.2]
300
[20.7]
500
[34.5]
4
[102]
3
1
/ 4
[89]
14
1
/
2
[368]
12
1
/
2
[318]
15
1
/ 8
[384]
15 [6.8]
Notes
1.
Maxim
um temper
ature controlled b
y
resilient
seat/seal mater
ial.
2.
Replace aster
isk with desired Model Number
.
Data applicab
le to all models
.
3.
A
v
ailab
le with SS tr
im only
.
4.
Maxim
um pressure on steam is 250 psig.
5.
Maxim
um pressure on steam is 300 psig.
6.
F
or C dimensions:
pressures abo
v
e
200 psig
[14 barg] add 1.25-inch [31.8 mm] to the o
v
er
all height.
7.
Special v
a
riation required.
Consult f
actor
y.
A
C
B
A
C
B
A
C
B
Models 912,
913,
918 and 919 ASME Section
VIII,
Air/Steam/Gas/Liquid,
‘UV’
National Boar
d Cer
tified.
Also a
v
ailab
le f
or
V
acuum Ser
vice
Model 912
K
unkle Saf
ety and Relief Pr
oducts
T
yco reser
ves the right to c
hang
e pr
oduct design and specifications
KUKMC-0392
without notice
.
Cop
yright ©
2002 b
y
T
yco International Ltd.
7
Models 910,
911,
912,
913,
916,
917,
918,
919,
920,
921 and 927
Features
•
A
v
ailab
le
with soft seat.
•
Threaded cap
is standard (bac
k pressure
tight).
•
He
x on v
alve nozzle
pro
vides f
or easy
installation.
•
Single contr
ol ring
off
ers easy
adjustability of b
lo
wdo
wn.
•
Piv
oting disc design
corrects
misalignment and off
ers e
xceptional
perf
or
mance
.
•
Guide to nozzle ratio
reduces fr
iction.
•
Full nozzle design
for optim
um flo
w
perf
or
mance
.
•
Threaded side outlet
for piped off
discharge to eliminate fugitiv
e emissions
.
Options
•
Threaded cap
.
(V
a
riation 01)
•
Threaded cap with gag.
(V
ar
iation 02)
•
Plain le
v
e
r.
(V
ar
iation 03)
•
Plain le
v
er with gag.
(V
ar
iation 04)
•
Plain le
v
er with vibr
ation dampener
.
(V
ar
iation 05)
•
P
ac
k
ed le
v
e
r.
(V
ar
iation 06)
•
P
ac
k
ed le
v
er with gag.
(V
ar
iation 07)
Model Descriptions
Model 912:
Full nozzle design.
SS w
a
rn
r
ing
and disc with br
ass/bronz
e base
.
Bronz
e/
br
ass body and bonnet.
Model 913:
Full nozzle design.
Bronz
e/
br
ass body and bonnet.
316 SS tr
im (base
,
disc and disc holder). Model 918:
Same as Model 912 e
xcept
resilient seat/seal.
Super
ior
‘leak-free’
perf
or
mance
.
Model 919:
Same as Model 913 e
xcept
resilient seat/seal.
Super
ior
‘leak-free’
perf
or
mance
.
Bronz
e body and bonnet.
316 SS tr
im (base
, disc and disc holder).
Pressure and
T
emperature Limits
Models 912,
918:
– Steam
3 to 250 psig [-0.2 to 17 barg]
1
-320°
to 406°F [-195°
to 208°C]
Models 913,
919:
– Steam
3 to 300 psig [-0.2 to 17 barg]
1
-320°
to 425°F [-195°
to 219°C]
Models 912,
918:
– Air/Gas/Liquid
3 to 300 psig [-0.2 to 21 barg] -320°
to 406°F [-195°
to 208°C]
Models 913,
919:
– Air/Gas/Liquid
3 to 900 psig [-0.2 to 62 barg] -320°
to 425°F [-195°
to 219°C]
V
acuum – 6- through 29-inch HG
[200 through 1000 mbarg] – 300°F [149°C] Maxim
um bac
k pressure 50 psig [3 barg] -
threaded cap and pac
k
ed le
v
e
r
Note
1.
ASME standard v
alv
es f
or air or steam
ser
vice m
ust ha
v
e
lift le
v
e
r.
F
or steam boilers
and gener
ators
.
Applications
•
Air/gas compressors - intercoolers - aftercoolers
.
•
Liquid filled pressure v
essels/systems -
ASME Section
VIII (UV).
•
Pressure v
essels - containing gas
, air
,
liquid or steam.
Including tanks and
receiv
ers
.
•
V
acuum systems including pumps
, tanks
and equipment.
•
Optional mater
ials f
or lo
w temper
ature -
cr
y
ogenic applications
.
•
Oil/gas separ
ators
.
•
O
v
e
rpressure relief and protection
of pumps
, tanks
, lines and h
ydr
aulic
systems
.
•
By-pass relief or pressure regulation.