Compare Guardian valve families by model, construction, pressure class, material, and size. Review drawing dimensions, open the original engineering PDF, and collect multiple valve selections in one request for quote. Compact 1-piece threaded reduced-port ball valve rated to 1,000 PSI and available in 304 stainless, 316 stainless, or WCB carbon steel from 1/4 inch through 3 inches. 2-piece threaded full-port ball valve rated to 1,000 PSI, with CF8M body and cap, RTFE seats, and sizes from 1/4 inch through 3 inches. Serviceable 3-piece ball valve with threaded, socket-weld, or butt-weld ends. The family spans 1/4 inch through 4 inches in 304 stainless, 316 stainless, or WCB carbon steel. Compact sanitary-design uni-body reduced-port mini ball valve rated to 1,000 PSI, offered in 304 or 316 stainless steel with female/female, male/male, or female/male connections from 1/8 inch through 1 inch. One-piece reduced-port threaded ball valve with ISO 5211 actuator mounting pad, rated to 1,000 PSI in 304 or 316 stainless steel from 1/4 inch through 2 inches. Two-piece full-port threaded ball valve with ISO 5211 mounting pad, rated to 1,000 PSI in 304 stainless, 316 stainless, or WCB from 1/4 inch through 2 inches. Three-way full-port threaded ball valve in L-port or T-port configurations, with ISO 5211 mounting pad and 1,000 PSI rating, available in 304 or 316 stainless steel from 1/4 inch through 2 inches. High-pressure 2-piece threaded full-port ball valve rated to 2,000 PSI. The drawing covers 1/4 inch through 2 inches with CF8M body and cap. 3-piece ball-valve family with actuator mounting pad and threaded, socket-weld, or butt-weld ends. The drawing covers 1/4 inch through 4 inches in 304 or 316 stainless steel. Guardian Valves
1PC Reduced-Port Ball Valve
Available sizes and dimensions
Size
Port dia. D
Length L
Height H
Handle A
Add to quote
1/4"
0.20
1.54
1.22
2.56
3/8"
0.28
1.73
1.34
3.46
1/2"
0.36
2.22
1.57
4.33
3/4"
0.49
2.32
1.69
4.33
1"
0.59
2.80
1.95
4.33
1-1/4"
0.79
3.07
2.13
4.33
1-1/2"
0.98
3.27
2.46
6.10
2"
1.26
3.90
2.60
6.10
2-1/2"
1.50
5.00
3.35
7.44
3"
1.97
6.02
3.54
7.44
2PC 1000 PSI Full-Port Ball Valve
Available sizes and dimensions
Size
Port dia. D
Length L
Height H
Handle W
Add to quote
1/4"
0.43
2.13
1.89
3.94
3/8"
0.50
2.17
1.89
3.94
1/2"
0.59
2.24
1.97
4.33
3/4"
0.79
2.68
2.09
4.92
1"
0.98
3.15
2.68
5.71
1-1/4"
1.26
3.58
2.91
6.30
1-1/2"
1.50
4.06
3.39
7.09
2"
1.97
4.93
3.70
7.09
2-1/2"
2.56
6.18
4.72
9.06
3"
2.99
7.03
5.12
9.06
3PC Threaded and Weld-End Ball Valve
Available sizes and dimensions
Size
Pressure class
Port D
Length L
Height H
Handle W
SW De
SW A
BW D1
BW t 10
BW t 40
BW t 80
Weight (kg) Add to quote
1/4"
CL400
0.43
2.40
1.89
4.09
0.57
0.43
0.54
0.07
0.09
0.12
0.275
3/8"
CL400
0.49
2.32
1.89
4.09
0.71
0.43
0.67
0.07
0.09
0.13
0.255
1/2"
CL400
0.59
2.52
2.24
4.92
0.87
0.43
0.84
0.08
0.11
0.15
0.44
3/4"
CL400
0.79
2.80
2.44
4.92
1.09
0.55
1.05
0.08
0.11
0.15
0.55
1"
CL400
0.98
3.27
2.83
6.10
1.35
0.71
1.31
0.11
0.13
0.18
0.82
1-1/4"
CL400
1.26
3.86
3.07
6.30
1.70
0.71
1.66
0.11
0.14
0.19
1.30
1-1/2"
CL400
1.50
4.25
3.58
7.48
1.94
0.75
1.90
0.11
0.14
0.20
2.015
2"
CL400
1.97
4.96
4.02
7.48
2.43
0.83
2.37
0.11
0.14
0.22
3.15
2-1/2"
CL300
2.56
6.38
4.80
9.06
2.93
0.83
2.87
0.12
0.20
0.28
7.21
3"
CL300
2.99
6.89
5.20
9.06
3.55
0.83
3.50
0.12
0.22
0.30
10.3
4"
CL300
3.94
8.50
6.97
13.19
4.56
0.83
4.50
0.12
0.24
0.34
21.35
Uni-body Reduced-Port Mini Ball Valve
Available sizes and dimensions
Size
Port D
Height H
Handle W
L F/F
L M/M
L F/M
Add to quote
1/8"
0.197 (0.276)
1.04
0.83
1.54
1.97
1.54
1/4"
0.276
1.04
0.83
1.65
1.97
1.57
3/8"
0.276
1.04
0.83
1.65
1.97
1.57
1/2"
0.362
1.14
0.96
1.81
2.28
1.81
3/4"
0.492
1.26
1.22
2.13
2.80
2.13
1"
0.591
1.38
1.42
2.54
3.27
2.54
1-Piece Uni-body Reduced-Port Ball Valve with Mounting Pad
Sizes, SKUs and dimensions
Size
304 SKU
316 SKU
Port A
Height H
Stem h
Length L
Mount hole D
Pad M
Stem F
ISO 5211
Add to quote
1/4"
04Q071N04014
06Q071N04014
0.276
0.96
0.35
1.69
0.26
1.42
0.35
F03
3/8"
04Q071N04038
06Q071N04038
0.276
0.96
0.35
1.77
0.26
1.42
0.35
F03
1/2"
04Q071N04012
06Q071N04012
0.362
1.02
0.35
2.17
0.26
1.42
0.35
F03
3/4"
04Q071N04034
06Q071N04034
0.492
1.26
0.35
2.36
0.26
1.42
0.35
F03
1"
04Q071N04010
06Q071N04010
0.591
1.38
0.35
2.87
0.26
1.42
0.35
F03
1-1/4"
04Q071N04114
06Q071N04114
0.787
1.50
0.35
3.07
0.26
1.42
0.35
F03
1-1/2"
04Q071N04112
06Q071N04112
0.984
1.65
0.43
3.50
0.28
1.97
0.43
F05
2"
04Q071N04020
06Q071N04020
1.260
1.97
0.43
3.94
0.28
1.97
0.43
F05
2-Piece Full-Port Ball Valve with Mounting Pad
Sizes, SKUs and dimensions
Size
304 SKU
316 SKU
WCB SKU
Port D
Height H
H1
Stem h
Handle W
b
B
F
Length L
ISO 5211
Add to quote
1/4"
04Q081N04014
06Q081N04014
08Q081N04014
0.433
2.40
1.46
0.35
4.53
1.42
1.65
0.35
1.97
F03-F04
3/8"
04Q081N04038
06Q081N04038
08Q081N04038
0.492
2.40
1.46
0.35
4.53
1.42
1.65
0.35
1.97
F03-F04
1/2"
04Q081N04012
06Q081N04012
08Q081N04012
0.591
2.48
1.50
0.35
4.53
1.42
1.65
0.35
2.17
F03-F04
3/4"
04Q081N04034
06Q081N04034
08Q081N04034
0.787
3.07
1.67
0.39
6.38
1.42
1.65
0.35
2.99
F03-F04
1"
04Q081N04010
06Q081N04010
08Q081N04010
0.984
3.23
1.80
0.39
6.38
1.65
1.97
0.35
3.27
F04-F05
1-1/4"
04Q081N04114
06Q081N04114
08Q081N04114
1.260
3.43
2.05
0.39
6.38
1.65
1.97
0.35
3.94
F04-F05
1-1/2"
04Q081N04112
06Q081N04112
08Q081N04112
1.496
3.70
2.36
0.47
8.07
1.97
2.76
0.43
4.06
F05-F07
2"
04Q081N04020
06Q081N04020
08Q081N04020
1.969
4.09
2.74
0.47
8.07
1.97
2.76
0.43
5.35
F05-F07
3-Way Full-Port Ball Valve
Sizes, SKUs and dimensions
Size
304 L-Type SKU
316 L-Type SKU
304 T-Type SKU
316 T-Type SKU
D
W
H
H1
h
N
M
J
L
L1
Add to quote
1/4"
04Q041N04014
06Q041N04014
04Q051N04014
06Q051N04014
0.354
5.55
2.95
1.65
0.35
1.42
1.65
0.35
3.15
2.52
3/8"
04Q041N04038
06Q041N04038
04Q051N04038
06Q051N04038
0.433
5.55
2.95
1.65
0.35
1.42
1.65
0.35
3.15
2.52
1/2"
04Q041N04012
06Q041N04012
04Q051N04012
06Q051N04012
0.492
5.55
2.95
1.65
0.35
1.42
1.65
0.35
3.11
2.52
3/4"
04Q041N04034
06Q041N04034
04Q051N04034
06Q051N04034
0.630
5.55
3.23
1.93
0.35
1.42
1.65
0.35
3.27
2.68
1"
04Q041N04010
06Q041N04010
04Q051N04010
06Q051N04010
0.787
6.42
3.84
2.34
0.43
1.65
1.97
0.43
4.02
3.23
1-1/4"
04Q041N04114
06Q041N04114
04Q051N04114
06Q051N04114
0.984
6.42
3.98
2.48
0.43
1.65
1.97
0.43
4.37
3.54
1-1/2"
04Q041N04112
06Q041N04112
04Q051N04112
06Q051N04112
1.260
7.40
4.43
2.89
0.55
1.97
2.76
0.55
4.94
4.17
2"
04Q041N04020
06Q041N04020
04Q051N04020
06Q051N04020
1.496
7.40
4.80
3.26
0.55
1.97
2.76
0.55
5.78
4.84
2PC 2000 PSI Full-Port Ball Valve
Available sizes and dimensions
Size
Port dia. D
Length L
Height H
Handle W
Add to quote
1/4"
0.43
1.89
2.01
4.09
3/8"
0.49
2.20
2.01
4.09
1/2"
0.59
2.68
2.09
4.96
3/4"
0.79
3.07
2.56
4.96
1"
0.98
3.35
3.03
5.67
1-1/4"
1.26
3.94
3.21
5.67
1-1/2"
1.50
4.17
3.72
7.44
2"
1.97
5.12
4.02
7.44
3PC Ball Valve with Mounting Pad
Available sizes and dimensions
Size
Pressure class
L
D
W
H
H1
H2
F
A
D1
D2
D3
t 10
t 40
t 80
t
Pad d1
Pad d2
Pad r1
Pad r2
ISO 5211
Weight (kg) Add to quote
1/4"
CL400
64
11
112
64
41.5
8.5
9
10
14.6
13.72
20.2
1.65
2.24
3.02
4.00
36
42
3
3
F03/F04
0.58
3/8"
CL400
64
12.5
112
64
41.5
8.5
9
10
18
17.14
23.8
1.65
2.31
3.20
4.00
36
42
3
3
F03/F04
0.55
1/2"
CL400
72
15
141
75
40.5
9
9
10
22.2
21.34
30.2
2.11
2.77
3.73
4.00
36
42
3
3
F03/F04
0.695
3/4"
CL400
80
20
141
77
43
9
9
13
27.6
26.67
37.3
2.11
2.87
3.91
4.25
36
42
3
3
F03/F04
0.87
1"
CL400
85
25
162
90
51.5
11
11
13
34.3
33.40
44.6
2.77
3.38
4.55
5.00
42
50
3
3.5
F04/F05
1.29
1-1/4"
CL400
105
32
162
94
56
11
11
13
43.1
42.16
55.3
2.77
3.56
4.85
5.20
42
50
3
3.5
F04/F05
2.0
1-1/2"
CL400
113
38
188
108
69
14
14
13
49.2
48.26
62.5
2.77
3.68
5.08
5.75
50
70
3.5
4.5
F05/F07
2.915
2"
CL400
132
50
188
117
77.5
14
14
16
61.7
60.32
76.4
2.77
3.91
5.54
6.75
50
70
3.5
4.5
F05/F07
4.27
2-1/2"
CL300
170
65
225
147
100
19
17
16
74.4
73.02
90
3.05
5.16
7.01
7.00
70
102
4.5
5.5
F07/F10
8.565
3"
CL300
186.5
76
225
157
110
19
17
16
90.1
88.9
107
3.05
5.49
7.62
7.25
70
102
4.5
5.5
F07/F10
11.975
4"
CL300
226.5
94
320
188
137
22
22
19
115.7
114.3
134
3.05
6.02
8.56
8
70
102
4.5
5.5
F07/F10
22.655
Specification sheet
Guardian flow control
Threaded ball valve
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Model family1Q1
Construction1-piece reduced-port ball valve
Pressure rating1,000 PSI
Size range1/4 inch through 3 inches
Body materialsCF8 (304), CF8M (316), or WCB carbon steel
ConnectionsNPT, BSPT, or BSPP
Connection standardsASME B1.20.1; EN 10226-2; ISO 228-1
Test standardsAPI 598; DIN 12266
Working temperature-29 C to 200 C
SeatsRTFE
Stem packing and gasketPTFE
Working mediaWater, oil, gas, and mildly corrosive media without hard particles
1Q1 Engineering Drawing and Specification
Dimensions in inches
Scroll table horizontally on smaller screens
Threaded ball valve
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Model family1Q2
Construction2-piece full-port ball valve
Pressure rating1,000 PSI
Size range1/4 inch through 3 inches
Body and capA351-CF8M (316 stainless steel)
ThreadPer customer requirements
Test standardAPI 598
Shell test10.4 MPa
High-pressure water test7.6 MPa
Low-pressure gas test0.6 MPa
SeatsRTFE
Stem packing and gasketsPTFE
1Q2 Engineering Drawing and Specification
Dimensions in inches
Scroll table horizontally on smaller screens
Threaded, socket-weld, and butt-weld ball valve
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Model family1Q3
Construction3-piece ball valve
Pressure classCL400: 1/4 to 2 inches; CL300: 2-1/2 to 4 inches
Size range1/4 inch through 4 inches
Body materialsCF8 (304), CF8M (316), or WCB carbon steel
ConnectionsNPT, BSPT, BSPP, socket weld, or butt weld
Socket-weld standardASME B16.11
Butt-weld standardsASME B36.10 and ASME B16.25
Test standardAPI 598
Working temperature-29 C to 200 C
SeatsTFM1600
Stem packing and gasketsPTFE
1Q3 Engineering Drawing and Specification
Dimensions in inches
Scroll table horizontally on smaller screens
Female/female, male/male, or female/male threaded mini ball valve
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Model familiesQ101N04, Q102N04 and Q103N04
ConstructionUni-body reduced-port mini ball valve
Size range1/8 inch through 1 inch
Valve materialsCF8 (304) or CF8M (316)
Connection optionsFemale/female, male/male, or female/male
DesignSanitary design
Pressure rating1,000 PSI
ManufacturingLost-wax precision casting
StemBlow-out-proof stem
HandleLockable handle
Casting certificationAD2000-WO
Thread standardASME B1.20.1
Inspection standardAPI 598
Seal optionsPTFE, glass-filled PTFE, carbon-filled PTFE, or TFM1600
Q101N04 Mini Ball Valve Engineering Drawing and Specification
Dimensions in inches
Scroll table horizontally on smaller screens
Threaded ball valve with ISO 5211 mounting pad
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Model familyQ071N04
Construction1-piece uni-body reduced-port ball valve
Size range1/4 inch through 2 inches
Valve materialsCF8 (304) or CF8M (316)
Mounting padISO 5211
Pressure rating1,000 PSI
ManufacturingLost-wax precision casting
StemBlow-out-proof stem
HandleLockable handle
Casting certificationAD2000-WO
Thread standardASME B1.20.1
Inspection standardAPI 598
Seal optionsPTFE, glass-filled PTFE, carbon-filled PTFE, or TFM1600
1-Piece Uni-body Reduced-Port Ball Valve with Mounting Pad Engineering Drawing and Specification
Dimensions in inches
Scroll table horizontally on smaller screens
Threaded ball valve with ISO 5211 mounting pad
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Model familyQ081N04
Construction2-piece full-port ball valve
Size range1/4 inch through 2 inches
Valve materialsCF8 (304), CF8M (316), or WCB
Mounting padISO 5211
Fire-safe standardAPI 1607 (as printed on source sheet)
Pressure rating1,000 PSI
ManufacturingLost-wax precision casting
StemBlow-out-proof stem
HandleLockable handle
Casting certificationAD2000-WO
Thread standardASME B1.20.1
Inspection standardAPI 598
Seal optionsPTFE, glass-filled PTFE, carbon-filled PTFE, or TFM1600
2-Piece Full-Port Ball Valve with Mounting Pad Engineering Drawing and Specification
Dimensions in inches
Scroll table horizontally on smaller screens
Threaded ball valve with ISO 5211 mounting pad
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Model familiesQ041N04 L-Type and Q051N04 T-Type
Construction3-way full-port ball valve
Flow patternsL-port or T-port
Size range1/4 inch through 2 inches
Valve materialsCF8 (304) or CF8M (316)
Mounting padISO 5211
Pressure rating1,000 PSI
ManufacturingLost-wax precision casting
StemBlow-out-proof stem
HandleLockable handle
Casting certificationAD2000-WO
Thread standardASME B1.20.1
Inspection standardAPI 598
Seal optionsPTFE, glass-filled PTFE, carbon-filled PTFE, or TFM1600
3-Way Full-Port Ball Valve Engineering Drawing and Specification
Dimensions in inches
Scroll table horizontally on smaller screens
High-pressure threaded ball valve
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Model family2Q2
Construction2-piece full-port ball valve
Pressure rating2,000 PSI
Size range1/4 inch through 2 inches
Body and capA351-CF8M (316 stainless steel)
Design standardASME B16.34
Face-to-face standardGB/T 12221-N9
Test standardAPI 598
Shell test20.7 MPa for 60 seconds
Closure tests15.2 MPa water; 0.6 MPa gas; 60 seconds
Pressure-temperature rating13.79 MPa at -29 to 38 C; 0.5 MPa at 160 C
Applicable mediaWater, oil, gas, and mildly corrosive media without hard particles
2Q2 Engineering Drawing and Specification
Dimensions in inches
Scroll table horizontally on smaller screens
Threaded, socket-weld, and butt-weld ball valve
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Model families3Q3 and 4Q3
Construction3-piece ball valve with actuator mounting pad
Pressure classCL400: 1/4 to 2 inches; CL300: 2-1/2 to 4 inches
Size range1/4 inch through 4 inches
Body materialsCF8 (304) or CF8M (316)
ConnectionsNPT, BSPT, BSPP, socket weld, or butt weld
Design standardASME B16.34 for threaded and socket-weld ends
Socket-weld standardASME B16.11
Butt-weld standardsASME B36.10 and ASME B16.25
Test standardAPI 598
Working temperature-29 C to 200 C
DesignNon-fire-safe
3Q3 / 4Q3 Engineering Drawing and Specification
Dimensions in millimeters
Scroll table horizontally on smaller screens