FIGURE 15 SERIES
- 232 -
FIGURE 15LC SAFETY VALVE
APPLICA TION DATA
●Bulk Hauling Railroad and Truck Tank Cars
●High Volume Blowers
●Compressors
●Dryers
●Pneumatic Equipment
●Tanks
V
ALVE R
A TINGS
Pressure Temperature
Model PSIG (bar) °F (°C)
All 5 to 15 -20 to 400
(.3 to 1) (-29 to 204)
APPLICABLE CODES
●ASME Section VIII “UV” for Air (2" Figure 15C & 15LC only)
●Canadian Registration #0G0591.9C — 015C, 015LC
#0H0591.9C — 015A, 015LA
FIGURE 15 SERIES
SIZES 3⁄4" – 3"
PRESSURES to 15 PSIG at 400°F
●Air & Non-hazardous Service
●Low Cost
●High Capacity
●Cast Iron or Aluminum Body
●Dependable
●Tight Shutoff
●Sharp Popping & Closing Action
●High Degree of Repeatability
●Unitized Body
OPTIONS
●Stainless Trim
●Set Pressures 15 to 60 psi (Consult Factory)
●Polyurethane Soft Seat Available (Consult Factory)
MODELS
●015C - Cast Iron Body, Bronze Seats, Pull Ring
●015A - Cast Iron Body, Bronze Seats, Sealed Cap
●15LC - Aluminum Body on 015C (2 x 2
1
⁄2 only)
●15LA - Aluminum Body on 015A (2 x 2
1
⁄2 only)
015CZKA-015
CODE SELECTION CHART
12345678910
Model Orifice Inlet Connec- – Set Pressure
Size tions
Inlet Size -
Position 6
D=
3
⁄4
E= 1
F= 1
1
⁄4
G= 11⁄2
H= 2
J= 2
1
⁄2
K= 3
Connections -
Position 7
A = MPT x FPT
Set Pressure -
Position 8, 9 & 10
__ __ __ = Actual Setting
LAS - Loosely Assembled
†
Model -
Position 1, 2, 3 & 4
015C = Cast Iron Body, Brz Seats, Pull Ring
015A = Cast Iron Body, Brz Seats, Sealed Cap
15LC = Aluminum Body on 015C (2 x 2
1
⁄2 only)
15LA = Aluminum Body on 015A (2 x 21⁄2 only)
Orifice -
Position 5
Z
† Spence Certified Assemblers Only
FIGURE 15 SERIES
C
A1
B
E
HEX
Model Inlet Orifice Outlet A1 A2 B C E Hex Weight
****ZDA
3
⁄4 Z13
5
⁄16 31
1
⁄2 23⁄16 11⁄4 1
(20) (25) (76) (76) (38) (56) (32) (.4)
****ZEA 1 Z 1
1
⁄4 43
3
⁄4 22
5
⁄8 11⁄2 2
(25) (32) (95) (95) (51) (67) (38) (.9)
****ZFA 1
1
⁄4 Z1
1
⁄2 54
1
⁄4 21⁄8 3 17⁄8 3
(32) (40) (108) (108) (54) (76) (48) (1.4)
****ZGA 1
1
⁄2
Z25
1
⁄8
4
5
⁄8
2
3
⁄16
3
3
⁄16
2 4
(40) (50) (117) (117) (56) (81) (51) (1.8)
****ZHA 2 Z 2
1
⁄2 611⁄16 61⁄8 27⁄8 4 3 8
(50) (65) (156) (156) (73) (102) (76) (3.6)
****ZJA 2
1
⁄2 Z2
1
⁄2 83⁄8 75⁄8 33⁄8 43⁄8 31⁄4 14
(65) (65) (194) (194) (95) (111) (83) (6.3)
****ZKA 3 Z 3 9
1
⁄2 93
7
⁄8 51⁄8 4 22
(80) (80) (229) (229) (98) (130) (102) (10)
- 233 -
FIGURE 15 SERIES
SPECIFICATION
The valve inlet and outlet shall be one integral casting assuring
proper alignment of disc, seat and spindle for smooth action. The
valve shall maintain a high degree of repeatability. The valve shall
be top guided by a disc guide fitted into the body. The valve shall
have a non-adjustable blowdown.
MATERIALS OF
CONSTRUCTION
* Pressure settings below 15 PSIG (1.034 barg) are non code.
*
*Only 2" size is ASME Certified.
AIR CAPACITY CHART –
MODELS 015C, 015A, 15LC, 15LA
**ASME Section VIII “UV” 90% rated at 3 PSI Overpressure SCFM (M3/HR)
Set Valve & Orifice Area, in
2
Pressure3⁄4 Z 1 1 Z 11⁄4 11⁄4 Z 11⁄2 11⁄2 Z 2 2 Z 21⁄2 21⁄2 Z 21⁄2 3 Z 3
PSIG 0.276 0.49 0.765 1.107 1.961 3.063 4.43
5* 82 145 226 328 579 906 1311
10* 100 177 276 400 706 1105 1599
15 118 209 326 472 834 1305 1888
Set Valve & Orifice Area cm
2
Pressure 20 Z 25 25 Z 32 32 Z 40 40 Z 50 50 Z 65 65 Z 65 80 Z 80
Barg 1.78 3.16 4.94 7.14 12.65 19.76 25.58
0.4* 144 255 398 576 1018 1593 2305
0.7* 171 302 472 683 1207 1888 2732
1.0* 197 350 545 790 1395 2183 3159
SCFM
M3/HR
Ref Part Name Material
1 Pull Ring SST
3 Compression Screw Stl. plated CI ASTM A108/A126
4 Seal Wire SST
5 Seal Lead
6 Lock Screw Brass ASTM B16
7 Drive Screw SST
8 Nameplate SST
9 Wave Washer Plated Steel
10 Spring Plated Steel
11 Disc Guide Brass/Bronze ASTM B135/B505
12 Spindle Pin Plated Steel
13 Spring Washer Plated Steel
14 Spindle Steel ASTM A108
15 Disc Brass/Bronze ASTM B16/B62
16 Seat Brass/Bronze ASTM B16/B505
17 Body Cast Iron ASTM A126
Body Aluminum ASTM B26, A03560, T6
18 Sealant Sealant
19 Bushing 015A/15LA Brass ASTM B16
DIMENSIONS inches (mm) AND WEIGHTS pounds (kg)
**** Use appropriate Model Number.
A2
Consult factory for capacities below 5 psi or between 15 to 60 psi.
1
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
FIGURE 15V SERIES
- 234 -
FIGURE 15V SERIES SAFETY VALVE
APPLICA TION DATA
●Vacuum Pumps
●Bulk Hauling Railroad & Truck Tank Cars
●Pneumatic Equipment
●Tanks
VALVE RATINGS
Pressure Temperature
Model in.HG (mmHG) °F (°C)
All 5 to 30 -20 to 400
(.2 to 1) (-29 to 204)
APPLICABLE CODES
●Canadian Registration #0H0591.9C
FIGURE 15V SERIES
SIZES 3⁄4" – 3"
PRESSURES to 30" HG at 400°F
●Vacuum Service
●Low Cost
●High Capacity
●Cast Iron or Aluminum Body
●Dependable
●Tight Shutoff
●Sharp Popping & Closing Action
●High Degree of Repeatability
●Unitized Body
OPTIONS
●Stainless Trim
M
ODELS
●015V - Cast Iron Body, Bronze Seats, Vacuum Service
●015LV - Aluminum Body on 015V (2" x 2
1
⁄2" only)
0052ZHZ-015
CODE SELECTION CHART
12345678910
Model Orifice Inlet Connec- – Set Pressure
Size tions
Orifice -
Position 5
Z
Inlet Size -
Position 6
H= 2
Connections -
Position 7
Z
Set Pressure -
Position 8, 9 & 10
__ __ __ = Actual Setting
Model -
Position 1, 2, 3 & 4
0050= Bronze Body, Viton Soft Seat
0051= Pull Ring on 0050
0052= Aluminum Body, Viton Soft Seat
0053= Pull Ring on 0052
FIGURE 15V SERIES
- 235 -
FIGURE 15V SERIES
SPECIFICATION
The valve inlet and outlet shall be one integral casting assuring
proper alignment of disc, seat and spindle for smooth action. The
valve shall maintain a high degree of repeatability. The valve shall
be top guided by a disc guide fitted into the body. The valve shall
have a non-adjustable blowdown.
MATERIALS OF
CONSTRUCTION
*Valve outlet should be mounted at vacuum side of system.
Model Inlet Orifice Outlet* A1 B C E Hex Weight
****ZDA
3
⁄
4 Z1 3 1
1
⁄
2 2
3
⁄
16 1
1
⁄
4 1
(20) (25) (76) (38) (56) (32) (.4)
****ZEA 1 Z 1
1
⁄
4 3
3
⁄
4 22
5
⁄
8 1
1
⁄
2 2
(25) (32) (95) (51) (67) (38) (.9)
****ZFA 1
1
⁄4 Z1
1
⁄2 41⁄4 21⁄8 3 17⁄8 3
(32) (40) (108) (54) (76) (48) (1.4)
****ZGA 1
1
⁄
2 Z2 4
5
⁄
8 2
3
⁄
16 3
3
⁄
16 2 4
(40) (50) (117) (56) (81) (51) (1.8)
****ZHA 2 Z 2
1
⁄2 61⁄8 27⁄8 4 3 8
(50) (65) (156) (73) (102) (76) (3.6)
****ZJA 2
1
⁄2
Z2
1
⁄2
7
5
⁄8
3
3
⁄8
4
3
⁄8
3
1
⁄4
14
(65) (65) (194) (95) (111) (83) (6.3)
****ZKA 3 Z 3 9 3
7
⁄8 51⁄8 4 22
(80) (80) (229) (98) (130) (102) (10)
DIMENSIONS inches (mm) AND WEIGHTS pounds (kg)
**** Add appropriate model number * Valve outlet should be mounted at vacuum side of system.
C
A
B
E
HEX
AIR CAPACITY CHART –
MODELS 015V & 015LV
Rated Flow SCFM (M3/HR)
Set* Valve & Orifice Area, in2*
Pressure
3
⁄4 Z 1 1 Z 11⁄4 11⁄4 Z 11⁄2 11⁄2 Z 2 2 Z 21⁄2 21⁄2 Z 21⁄2 3 Z 3
in. HG 0.276 0.49 0.765 1.107 1.961 3.063 4.43
5 36 85 132 191 337 528 764
6 39 90 140 203 359 561 812
7 41 94 147 213 376 588 851
8 42 98 152 221 389 609 881
9 43 100 156 227 400 625 904
10 44 102 159 231 407 637 922
11 45 104 161 234 412 645 933
12 45 104 162 236 415 650 940
12.8-30 45 105 163 236 417 651 943
Set Valve & Orifice Area cm2*
Pressure 20 Z 25 25 Z 32 32 Z 40 40 Z 50 50 Z 65 65 Z 65 80 Z 80
mmHG 1.78 3.16 4.94 7.14 12.65 19.76 25.58
127 62 144 224 325 573 897 1297
152 66 153 238 346 610 953 1380
178 69 160 249 362 639 999 1445
203 71 166 258 375 661 1034 1497
229 73 171 265 385 679 1062 1536
254 75 174 270 392 692 1082 1566
279 76 176 274 397 701 1096 1586
305 76 177 276 400 706 1104 1597
325-762 76 178 276 401 708 1107 1601
SCFM
M3/HR
Ref Part Name Material
1A Body Cast ASTM A126
1B Body Aluminum ASTM B26, A03560, T6
2 Seat Bronze ASTM B505
3 Disc Brass/Bronze ASTM B505
4 Disc Guide Brass ASTM B135
5 Spindle Steel ASTM A108
6 Spindle Pin Plated Steel
7 Spring Plated Steel
8 Spring Washer Plated Steel
9 Wave Washer Plated Steel
10 Compression Screw Cast Iron ASTM A126
13 Lock Screw Brass ASTM B16
14 Seal Lead
15 Seal Wire SST
16 Nameplate SST
17 Drive Screw SST
18 Bushing Brass ASTM B16
3
4
5
6
7
8
9
10
19
E HEX
13
14
15
16
17
18
1B1A
2
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