A Series Catalog
ANDERSON GREENWOOD flow control
Anderson Greenwood A Series Catalog
ANDERSON GREENWOOD flow control Contents Product Overview Types ACA, AAA, ABB, and ABS ............................................................
1
Parts and Materials Types ACA, AAA ......................................................................................
2–3
Types ABB, ABS ......................................................................................
4–5
Specifications Types ACA, AAA ......................................................................................
6–8
Types ABB, ABS ......................................................................................
7–8
Sizing, Selection and Ordering Sizing and Selection ...............................................................................
8–9
Ordering .................................................................................................
10
ER
Q UALI
T AS
D'S RE G OY I
Y
ST
LL
SU R A NCE
ISO
9001
NATIONAL ACCREDITATION OF CERTIFICATION BODIES
A Series Catalog Revised December 1998 Catalog: A-US.97
© 1997/rev. 1998, Anderson Greenwood/Crosby reserves the right to change product designs and specifications without notice.
i
Anderson Greenwood A Series Catalog
Types ACA, AAA, ABB, and ABS
ASME Section VIII, Air/Gas/Steam/Liquid, ‘UV’
National Board Certified SRV. Also available for Vacuum Service.
Applications •
Pressure vessels containing gas, air, liquid or steam, including tanks, receivers and pressure reducing stations.
•
Process and industrial applications requiring steel/stainless steel construction including acid, caustic, ammonia or other corrosive.
•
Oil/gas separators.
•
Air/gas compressors, intercoolers, aftercoolers.
•
Liquid filled pressure vessels/systems, ASME Section VIII, ‘UV’.
•
Vacuum systems including pumps, tanks and equipment.
•
Optional materials for low temperature and cryogenic applications.
•
Bypass relief or pressure regulation.
•
All 316 SS Type AAA suitable for sanitary/edible applications.
Features and Benefits •
Valve housing is heavy duty casting.
•
Threaded cap standard (back pressure tight).
•
Hex on valve nozzle provides for easy installation.
•
Single control ring offers easy adjustability of blowdown.
•
Pivoting disc design corrects misalignment and offers exceptional performance.
•
Metal seats lapped to optical flatness for premium shut-off.
•
Elastomer seats are available for premium tightness.
•
•
Every valve is 100 percent tested/ inspected for pressure setting, blowdown and leakage. All adjustments are sealed to prevent tampering or disassembly.
Type ACA: Full nozzle design, side outlet, 316 SS trim (nozzle and disc). Steel body and bonnet. Type AAA: Full nozzle design, side outlet, 316 SS trim (nozzle and disc) all 316 SS construction.
Type ABB: Full nozzle design, side outlet. SS warn ring, SS disc with brass/bronze nozzle. Bronze/brass body and bonnet. Type ABS: Full nozzle design, side outlet. 316 SS trim (nozzle, disc, disc holder, and warn ring). Bronze/brass body and bonnet.
Options •
Plain lift lever
•
Packed lift lever (pressure tight)
•
Gag
•
SS spring – to 600°F [316°C]
•
High temperature (alloy steel) spring to 800°F [427°C]
•
Cryogenic low temperature materials/ preparation
•
Flanged inlet connection per ANSI B16.5 – 150#, 300# or 600#
•
Flanged outlet connection per ANSI B16.5 – 150#
•
Vibration dampening spring on plain lever.
© 1997/rev. 1998, Anderson Greenwood/Crosby reserves the right to change product designs and specifications without notice.
1
Anderson Greenwood A Series Catalog
Types ACA, AAA
ASME Section VIII, Air/Gas/Steam/Liquid, ‘UV’ National Board
Certified SRV. Also available for Vacuum Service. 18
Parts and Materials - Types ACA and AAA Threaded Cap No. Part Name
ACA
AAA
1
Nozzle
SS, A351-CF8M
SS, A351-CF8M
2
Body O-ring
PTFE
PTFE
3
Body
Steel, A216 GR. WCB
SS, A351-CF8M
4
Warn Ring
SS, A743-CF8M
SS, A743-CF8M
5
Disc
SS, A479-3161
SS, A479-3161
6
Set Screw Nut
SS, A479-316
SS, A479-316
7
Set Screw
SS, Commercial GR. 18-8
SS, Commercial
8
Set Screw Seal
PTFE
PTFE
9
Retainer Ring
SS, A303-316
SS, A313-316
10
Disc Holder
SS, A351-CF8M
SS, A351-CF8M
11
Guide
SS, A743-CF8M
SS, A743-CF8M
12
Screw
SS, Commercial GR. 18-8
SS, Commercial GR. 18-8
13
Coiled Spring Pin
SS, A313-302
SS, A313-302
14
Spring
SS
SS
15
Bonnet
Steel, A108 GR. 1117
SS, A479-316
16
Spring Step
SS, A479-316
SS, A479-316 SS, A479-316
17 16 15
19
14
21
16
22
20
13 12 11 10 23 9 8 7 6 5 4 3 2 1
17
Stem
SS, A479-316
18
Wire and Seal
SS wire and Lead seal, Commercial SS wire and Lead seal, Commercial
19
Cap
Steel, A108 GR. C1018
SS, A479-316
20
Compression Screw
SS, A479-316
SS, A479-316
21
Jam Nut
SS, A479-316
SS, A479-316
22
Cap O-ring
BUNA-N
BUNA-N
23
Body Plug
Steel, A108 GR. C1018
SS, Commercial GR. 18-8
Guide
SS, A479-316
SS, A479-316
Guide Locknut
SS, A479-316
SS, A479-316
Shield
SS, A167-316
SS, A167-316
25
Bonnet Gasket
PTFE
PTFE
Bonnet Cap
Steel, A108 GR. 1117
SS, A479-316
26
Cap O-ring
BUNA-N
BUNA-N
Bonnet
Steel, A108-1018
SS, A312-316
24
25 11
Bonnet Seal Configuration G through J Orifice 24
25
Guide Assembly and Bonnet Seal Configuration J Orifice Only 26
Notes Bonnet Assembly H and J Orifice 1. Available with BUNA-N, Viton®, Silicone, ethylene propylene, or neoprene molded elastomer seat. 2. Viton® is a registered trademark of the E.I. du Pont de Nemours Company.
© 1997/rev. 1998, Anderson Greenwood/Crosby reserves the right to change product designs and specifications without notice.
2
Anderson Greenwood A Series Catalog
Types ACA, AAA
ASME Section VIII, Air/Gas/Steam/Liquid, ‘UV’ National Board
Certified SRV. Also available for Vacuum Service.
Parts and Materials - Types ACA and AAA Flanged
Outlet
No.
Part Name
Materials
1
Inlet Flange
CS, A105
2
Inlet Stub End
SS, A479-316
3
Nozzle
SS, A479-316
4
Outlet Flange
CS, A105
5
Outlet Stub End
SS, A479-316
4 5
Parts and Materials - Types ACA and AAA Packed Lever
3 2 1
Inlet
Flanged
23
24
25
26
22
27
21 20
28 29
30 31
Packed Lift Lever
No.
Part Name
Materials
20
Lift Cam
SS, A743-CF8M
21
Cotter Pin
CS, Commercial
22
Lever
Steel, Zinc Plated A108- GR. 1018
23
Drive Screw
SS, Commercial
24
Retainer Nut
SS, A479-316
25
Retainer O-ring
BUNA-N
26
Lift Cam O-ring
BUNA-N
27
Cap
(ACA) Steel, A216 GR. WCB, (AAA) SS, A743-CF8M
28
Lift Nut
SS, A479-316
29
Lift Washer
SS, A479-316
30
Stem
SS, A479-316
31
Compression Screw
SS, A479-316
Parts and Materials - Types ACA and AAA Plain Lever No.
Part Name
Materials
13
Jam Nut
SS, A479-316
14
Compression Screw
SS, A479-316
15
Lever
Steel, A109 Cadmium Plated
16
Cap
Brass, B176
17
Lift Nut
SS, A479-316
18
Lift Washer
SS, A479-316
19
Rivet
Steel, Commercial
20
Cap Screw
SS, Commercial 18-8
16 15
17 18
14 13
19
20
Plain Lift Lever
© 1997/rev. 1998, Anderson Greenwood/Crosby reserves the right to change product designs and specifications without notice.
3
Anderson Greenwood A Series Catalog
Types ABB, ABS
ASME Section VIII, Air/Gas/Steam/Liquid, ‘UV’ National Board
Certified SRV. Also available for Vacuum Service. 19
Parts and Materials - Types ABB, ABS Threaded Cap No. 1
18
Part Name
Materials
Nozzle
Brass, B21 Alloy 485, (SS, A351-CF8M1 ABS only)
17 16
20
15
22
17
23
2
O-ring Body
PTFE
3
Body
Bronze, B584 Alloy 84400
14
4
Warn Ring
SS, A743-CF8M
13
5
Disc
SS, A479-316, B162
12
6
Set Screw Nut
Brass, B16
7
Set Screw
Brass, B16
11 10 9
8
Seal
PTFE
9
Retainer Ring
SS, A313-316
7
10
Disc Holder
Brass, B16, (SS A351-CF8M ABS only)
6
11
Guide
Brass, B163
12
Bonnet O-ring
PTFE
5 4 3
13
Screw
SS, Commercial 18-8
2
14
Coiled Spring Pin
SS, A313-302
15
Spring
SS
16
Bonnet
Brass, B164
17
Spring Step
Brass, B16
18
Stem
Brass, B16
19
Wire and Seal
SS wire and Lead seal, Commercial
20
Cap
Brass, B16
21
Compression Screw
Brass, B16
22
Jam Nut
Brass, B16
23
Cap O-ring
BUNA-N
24
Body
Plug5
25
Bonnet Gasket Guide
Brass, B16
26
Guide Locknut
Brass, B16
Shield
SS, A167-316
21
24
8
1
25 11
Bonnet Seal Configuration G through J Orifice
Brass, B16 PTFE
26
25
Notes
Guide Assembly and Bonnet Seal Configuration J Orifice Only
1. F through J orifice nozzle material is Bronze, B62.
4. F through J orifice bonnet material is Bronze, B584, Alloy 84400.
2. Available with BUNA-N, Viton®, Silicone, ethylene propylene, or neoprene molded elastomer seat.
5. Body plug not available for liquid service.
3. G through J orifice guide material is Bronze, B584, Alloy 84400.
© 1997/rev. 1998, Anderson Greenwood/Crosby reserves the right to change product designs and specifications without notice.
4
Anderson Greenwood A Series Catalog
Types ABB, ABS
ASME Section VIII, Air/Gas/Steam/Liquid, ‘UV’ National Board
Certified SRV. Also available for Vacuum Service.
23
24
25
Parts and Materials - Type ABB, ABS Packed Lift Lever
26
22
27
21 20
28 29
30 31
Packed Lift Lever
No.
Part Name
Materials
19
Jam Nut
Brass, B16
20
Lift Cam
SS, A743 CF8M
21
Cotter Pin
Steel, Commercial
22
Lever
Zinc Plated Steel, ASTM A108
23
Drive Screw
SS, Commercial
24
Retainer Nut
Brass, B16
25
Retainer O-ring
BUNA-N 70 Duro, Commercial
26
Lift Cam O-ring
BUNA-N 70 Duro, Commercial
27
Cap
Bronze, B584 Alloy 84400
28
Lift Nut
SS, A479 TY 316
29
Lift Washer
SS, A479 TY 316
30
Stem
Brass, B16
31
Compression Screw
Brass, B16
Parts and Materials - Type ABB, ABS Plain Lift Lever 16 15
17 18
14 13
19
20
Plain Lift Lever
No.
Part Name
Materials
13
Jam Nut
Brass, B16
14
Compression Screw
Brass, B16
15
Lever
Steel Cadmium Plated, A109
16
Cap
Brass, B179
17
Lift Nut
SS, A479 TY 316
18
LIft Washer
SS, A479 TY 316
19
Rivet
Steel, Commercial
20
Screw
SS, Commercial GR. 18-8
© 1997/rev. 1998, Anderson Greenwood/Crosby reserves the right to change product designs and specifications without notice.
5
Anderson Greenwood A Series Catalog
Specifications Specifications for Types ACA, AAA Model1 Number
Orifice
A**BDC*
D
1/2”
A**BDD*
D
3/4”
1”
A**BED*
E
3/4”
11/4”
A**BFE*
F
1”
11/2”
A**BGF*
G
11/4”
2”
H
11/2”
21/2”
A**BHG* A**BJH*
J
Connections ANSI Standard Inlet Outlet
2”
Maximum Set Pressure psig2 [barg]
1”
900
[62.1]
15/8 [41]
23/8 [60]
71/4 [184]
83/8 [213]
9
[229]
900
[62.1]
15/8
[41]
23/8
71/4
83/8
9
[229]
3
[1.4]
900
[62.1]
2
[51]
25/8 [67]
75/8 [194]
83/4 [222]
9 3/8 [238]
4
[1.8]
600
[41.4]
23/8 [60]
27/8 [73]
83/4 [222]
97/8 [251]
101/2 [267]
6
[2.7]
600
[41.4]
25/8 [67]
31/4 [83]
101/8 [257]
111/4 [286]
113/4 [298]
8
[3.6]
[34.5]
23/4
31/2
[89]
111/8
[283]
13
[330]
121/2
[318]
11
[5.0]
[34.5]
31/4
[102]
121/2
[318]
141/2
[368]
151/8
[384]
15
[6.8]
500
3”
–––––––––– Valve Dimensions, in [mm] ––––––––––– Approx. A B C C C Weight (thrd. cap) (pl. lever) (pkd. lever) lb (kg)
500
[70] [89]
4
[60]
[184]
[213]
3
[1.4]
Specifications for Types ACA, AAA - 150# Flanged x 150# Flanged Model1 Number
Orifice
Connections ANSI Standard Inlet Outlet
Maximum Set Pressure psig [barg]
––––––––– Valve Dimensions, in [mm] ––––––––– A B C C C (thrd. cap) (pl. lever) (pkd. lever)
Approx. Weight lb [kg]
A**JDC* A**JED*
D E
1/2” 3/4”
1” 11/4”
275 275
[19] [19]
4.63 [118] 4.63 [118]
4.15 [105] 4.15 [105]
9.50 [241] 9.63 [245]
10.63 [270] 10.76 [273]
11.25 [286] 11.39 [289]
10 14
A**JFE* A**JGF*
F G
1” 11/4”
11/2” 2”
275 275
[19] [19]
4.63 [118] 5.56 [141]
4.60 [117] 4.66 [118]
10.50 [267] 12.41 [315]
11.63 [295] 13.56 [344]
12.25 [311] 14.06 [357]
18 [8.2] 24 [10.9]
A**JHG* A**JJH*
H J
11/2” 2”
21/2” 3”
275 275
[19] [19]
5.79 [147] 6.44 [164]
5.28 [134] 5.97 [152]
13.50 [343] 15.00 [381]
15.32 [389] 16.94 [430]
14.88 [378] 17.62 [448]
31 [14.1] 50 [22.7]
[4.5] [6.4]
Specifications for Types ACA, AAA - 300# Flanged x 150# Flanged Model1 Number
Orifice
Connections ANSI Standard Inlet Outlet
Maximum Set Pressure psig [barg]
––––––––– Valve Dimensions, in [mm] ––––––––– A B C C C (thrd. cap) (pl. lever) (pkd. lever)
A**LDC* A**LED*
D E
1/2” 3/4”
1” 11/4”
720 720
[50] [50]
4.63 [118] 4.63 [118]
4.15 [105] 4.15 [105]
9.50 [241] 9.63 [245]
10.63 [270] 10.76 [273]
11.25 [286] 11.39 [289]
10 14
A**LFE* A**LGF*
F G
1” 11/4”
11/2” 2”
600 600
[41.4] [41.4]
4.63 [118] 5.56 [141]
4.60 [117] 4.66 [118]
10.50 [267] 12.41 [315]
11.63 [295] 13.56 [344]
12.25 [311] 14.06 [357]
18 [8.2] 24 [10.9]
A**LHG* A**LJH*
H J
11/2” 2”
21/2” 3”
500 500
[34.5] [34.5]
5.79 [147] 6.44 [164]
5.28 [134] 5.97 [152]
13.50 [343] 15.00 [381]
15.32 [389] 16.94 [430]
14.88 [378] 17.62 [448]
31 [14.1] 50 [22.7]
Note 1. Replace asterisks with desired valve type and seat material.
© 1997/rev. 1998, Anderson Greenwood/Crosby reserves the right to change product designs and specifications without notice.
6
Approx. Weight lb [kg] [4.5] [6.4]
Anderson Greenwood A Series Catalog
Specifications Specifications for Types ACA, AAA - 600# Flanged x 150# Flanged Model1 Number
Orifice
Connections ANSI Standard Inlet Outlet
Maximum Set Pressure psig [barg]
––––––––– Valve Dimensions, in [mm] ––––––––– A B C C C (thrd. cap) (pl. lever) (pkd. lever)
Approx. Weight lb [kg]
A**NDC* A**NED*
D E
1/2” 3/4”
1” 11/4”
900 900
[62.1] [62.1]
4.63 [118] 4.63 [118]
4.15 [105] 4.15 [105]
9.50 [241] 9.63 [245]
10.63 [270] 10.76 [273]
11.25 [286] 11.39 [289]
10 14
A**NFE* A**NGF*
F G
1” 11/4”
11/2” 2”
600 600
[41.4] [41.4]
4.63 [118] 5.56 [141]
4.60 [117] 4.66 [118]
10.50 [267] 12.41 [315]
11.63 [295] 13.56 [344]
12.25 [311] 14.06 [357]
18 [8.2] 24 [10.9]
A**NHG* A**NJH*
H J
11/2” 2”
21/2” 3”
500 500
[34.5] [34.5]
5.79 [147] 6.44 [164]
5.28 [134] 5.97 [152]
13.50 [343] 15.00 [381]
15.32 [389] 16.94 [430]
14.88 [378] 17.62 [448]
31 [14.1] 50 [22.7]
[4.5] [6.4]
Specifications for Types ABB, ABS Model1 Orifice Number
Connections ANSI Standard Inlet Outlet
A**BDC* A**BDC*
D D
1/2”
15/8 [41] 15/8 [41]
23/8 [60] 23/8 [60]
71/4 [184] 71/4 [184]
83/8 [213] 83/8 [213]
9 9
[229] [229]
3 [1.4] 3 [1.4]
ABSBDD* ABSBDE*
D D
3/4”
900 [62.1] 900 [62.1]
15/8 [41] 15/8 [41]
23/8 [60] 25/8 [67]
71/4 [184] 71/2 [191]
83/8 [213] 85/8 [219]
1”
9 [229] 91/8 [232]
3 [1.4] 3 [1.4]
A**BED* ABSBEF*
E E
11/4”
11/4” 11/4”
300 [20.7] — —
900 [62.1] 900 [62.1]
2 2
[51] [51]
25/8 [67] 3 [76]
75/8 [194] 8 [203]
83/4 [222] 91/8 [232]
93/8 [238] 93/4 [248]
4 [1.8] 4 [1.8]
A**BFE* ABSBFG*
F F
1” 11/2”
11/2” 11/2”
300 [20.7] — —
600 [41.4] 600 [41.4]
23/8 [60] 23/8 [60]
27/8 [73] 3 [76]
83/4 [222] 87/8 [225]
97/8 [251] 10 [254]
101/2 [267] 105/8 [270]
6 [2.7] 6 [2.7]
A**BGF* ABSBGH*
G G
11/4” 2”
2” 2”
300 [20.7] — —
600 [41.4] 600 [41.4]
25/8 [67] 25/8 [67]
31/4 [83] 31/4 [83]
101/8 [257] 101/8 [257]
111/4 [286] 111/4 [286]
113/4 [298] 113/4 [298]
8 [3.6] 8 [3.6]
A**BHG* A**BJH*
H J
11/2” 2”
21/2” 3”
300 [20.7] 300 [20.7]
500 [34.5] 500 [34.5]
23/4 [70] 31/4 [83]
31/2 [89] 4 [102]
111/8 [283] 121/2 [318]
13 [330] 141/2 [368]
121/2 [318] 151/8 [384]
11 [5.0] 15 [6.8]
3/4”
1” 3/4”
1”
300 [20.7] 300 [20.7]
––––––––– Valve Dimensions, in [mm] ––––––––– Approx. A B C C C Weight (thrd. cap) (pl. lever) (pkd. lever) lb [kg]
900 [62.1] 900 [62.1]
1/2”
3/4”
Maximum Set Pressure psig [barg] ABB ABS
— —
— —
Notes 1. Replace asterisks with desired valve type and seat material. 2. Minimum set pressure for all models 3 psig [0.21 barg].
C
C
C
3. Maximum temperature controlled by resilient seat/seal material.
A
B
Threaded Cap
A
A
B
Plain Lift Lever
B
Packed Lift Lever
© 1997/rev. 1998, Anderson Greenwood/Crosby reserves the right to change product designs and specifications without notice.
7
Anderson Greenwood A Series Catalog
Specifications Service Recommendations for Resilient Seat/Seal Materials Seat/Seal Materials
Service Recommendation
BUNA-N (-40°F to 200°F) [-40°C to 93°C]
Air, Anhydrous Ammonia, Butane, Carbon Dioxide, Diesel Oil, Ethyl Chloride, Ethyl Ether, Freons #11 and 12, Fuel Oil, Gasoline, Helium, Hydrogen Sulphide, Kerosene, Lube Oil, Natural Gas, Nitrogen, Oxygen (Gas), Propane, Propylene, Sulphur Dioxide, Vinyl Chloride Acetone, Air, Amyl Alcohol, Aniline, Benzine, Butane, Carbon Disulphide, Carbon Tetrachloride Dowtherm ‘A’ and ‘J,’ Ethyl Chloride, Ethylene,
Viton® A (-10°F to 406°F) [-23°C to 208°C]
Ethylene Glycol, Ethyl Alcohol, Gasoline, Hexane, Hydrogen Sulphide, Isobutyl Alcohol, JP - 4 Fuel, JP - 5 Fuel, Kerosene, Lube Oil, Natural Gas, Naphtha, Nitrogen, Propane, Propylene, Propyl Alcohol, Sulphur Dioxide, Toluene, Trichloroethylene, Turpentine, Water, Xylene
Silicone (-100°F to 406°F) [-73°C to 208°C]
Air, Helium, Nitrogen, Oxygen (Gas)
Ethylene Propylene
Steam (to 350°F [177°C]), Hot Water (to 350°F [177°C])
Neoprene (-45°F to 300°F) [-43°C to 149°C]
Air, Anhydrous Ammonia, Beer, Butane, Butyl Alcohol, Castor Oil, Denaturated Alcohol, Photo Developing Fluids, Ethanol, Ethyl Alcohol, Freons (12, 13, 14, and 22), Glycols, Natural Gas, Silicate Esters
Note
Sizing and Selection Values of Coefficient C k
C
Effective Orifice Areas Orifice in2
Area [cm2]
1.01
317
1.05
321
D
0.121
[0.780]
1.10
327
E
0.216
[1.393]
1.15
332
F
0.337
[2.174]
1.20
337
G
0.553
[3.568]
1.25
337
H
0.864
[5.574]
1.30
347
J
1.415
[9.129]
1.35
352
1.40
356
1.45
360
1.50
365
1.55
Coefficients of Discharge ASME Section VIII
Air/Gas = 0.878
369
ASME Section VIII
Liquid
= 0.710
1.60
373
ASME Section VIII
Steam
= 0.878
1.70
380
1.80
387
1.90
394
2.00
400
Note Consult the PRV Technical Manual for more detailed sizing information and procedures.
© 1997/rev. 1998, Anderson Greenwood/Crosby reserves the right to change product designs and specifications without notice.
8
1. These recommendations are a guide only. For the final selection of the proper material, your experience using these elastomers with various lading fluids should be considered.
Anderson Greenwood A Series Catalog
Sizing and Selection Steam
Gases, Vapors (sonic flow)
English Units
English Units
Metric Units
W ____________ A = 51.5 P K K 1 sh
Volumetric Flow
Volumetric Flow
–––– V √ MTZ A = –––––––––––– 6.32 CKP1 Kb
–––– V √ MTZ A = –––––––––––– 17.02 CKP1 Kb
Mass Flow
Mass Flow
Metric Units W ____________ A = 52.5 P K K 1 sh
W A = ––––––– CKP1 Kb
––––– TZ –––– M
√
1.316W A = –––––––– CKP1 Kb
––––– TZ –––– M
√
Notes
Liquids
English Units ––– Q √G A = ––––––––––––––– 38 K KV √ P1 - P2
Metric Units ––– 0.19631 Q √ G A = –––––––––––––– K KV √ P1 - P2
Symbol
Description
Imperial Units
Metric Units
A
Required effective discharge area of the valve
in2
cm2
C
Gas constant based on k (if unknown, use C = 315)
––
––
G
Specific gravity of the liquid referred to; water = 1.00 at 70°F [1.00 at 20°C]
––
––
M
Molecular weight of gas or vapor
––
––
P1
Relieving pressure = set pressure + allowable overpressure + atmospheric pressure; for liquids = set pressure + allowable overpressure
psia
bara
P2
Back pressure
psig
barg
Q
Volumetric flow rate (liquids)
GPM
m3/h
T
Relieving temperature (°K = °C + 273 or °R = °F + 460)
°R
°K
V
Volumetric flow rate (gases, vapors), in SCFM at 14.7 psia and 60°F or Nm3/hr at 1.03 bara and 0°C
SCFM
Nm3/hr
lb/hr
kg/hr ––
W
Mass Flow rate
Z
Compressibility factor
––
k
Ratio of specific heats for an ideal gas
––
––
Kb
Back pressure correction factor
––
––
K
Coefficient of discharge
––
––
Ksh
Superheat steam correction factor
––
––
Kv
Viscosity correction factor
––
––
© 1997/rev. 1998, Anderson Greenwood/Crosby reserves the right to change product designs and specifications without notice.
9
Anderson Greenwood A Series Catalog
Types ACA, AAA, ABB, and ABS ASME Section VIII, Air/Gas/Steam/Liquid, ‘UV’ National Board Certified SRV. Also available for Vacuum Service.
Number/Ordering Guide A
C
A
B
J
Type ABB ABS
ACA AAA
Connection Type B J L N
-
Male x Female NPT 150# Flange x 150# Flange 300# Flange x 150# Flange 600# Flange x 150# Flange
Orifice D E F
G H J
Inlet Size C - 1/2-inch [15 mm] D - 3/4-inch [18 mm] E - 1-inch [25 mm]
F - 11/4-inch [32 mm] G - 11/2-inch [40 mm] H - 2-inch [50 mm]
Seat/Seal Material M - Metal to metal B - BUNA-N: 100°F [37.8°C] - 200°F [93°C] E - EPR: 350°F [177°C]
S - Silicone: 406°F [208°C] V - Viton®: 406°F [208°C] N - Neoprene: 300°F [149°C]
Variation (01 thru 99) 01 02 03 04 05 06 07 -
Threaded cap Threaded cap with gag Plain lever Plain lever with gag Plain lever with vibration dampener Packed Lever Packed Lever with gag
Design Revision Indicates non-interchangeable revision. Dash (-) if original design.
Valve Service J K L M Q N P
-
Liquid ASME Section VIII (standard cap/packed lever only) Air/Gas ASME Section VIII (plain lever/packed lever required for air) Steam ASME Section VIII (plain lever/packed lever required) Non-code Liquid (standard cap/packed lever only) Vacuum (standard cap/packed lever only) Non-code Air/Gas Non-code Steam
Spring Material E - SS F - High temperature alloy to 800°F [427°C]
Set Pressure 3 psig [0.21 barg] (0003) through 900 psig [62 barg] (0900) Vacuum 6-inch HG [200 mbarg] (0006) through 29-inch HG [1000 mbarg] (0029) © 1997/rev. 1998, Anderson Greenwood/Crosby reserves the right to change product designs and specifications without notice.
10
H
M
0
1
—
K
E
0
3
0
0
ANDERSON GREENWOOD CROSBY flow control
A Series Catalog Revised December 1998 Catalog: A-US.97 Corporate Headquarters and Operations Center P.O. Box 944 Stafford, Texas 77497, USA Telephone: (281) 274-4400, Fax: (281) 240-1800
Operations Centers Corrie Way, Bredbury Industrial Estate Stockport, Cheshire SK6 2ST, UK Telephone: 44-161-494-5363, Fax: 44-161-494-5672 No. 45, Tuas Avenue 9 Jurong, Singapore Telephone: 65-861-1655, Fax: 65-861-8310
© 1997/rev. 1998 Anderson Greenwood/Crosby
Printed in USA