Get parts fit for purpose.
Companion Flanges Features & Benefits
- Forged A105 material for better grain structure and consistency.
- Machined in-house to maintain stringent orifice fitting requirements.
- 2”–12” 600 ANSI stocked in both schedule 40 and 80 for quick deliveries.
Available Models
At Axis Measurement, we carry a range of companion flanges to meet your measurement needs. Get more information about each product below, and download product specifications for all the technical details.
Sample Configuration
- 2”–12” 600 ANSI schedule 40 and 80 A105 forged
AX
AX
AX
AX
AX
AX
AX
BV: Ball Valve
BVSW: Ball Valve Seal Welded
DC: Dual Chamber
SC: Single Chamber
PU: Universal Plate
PP: Paddle Plate
FC: Flow Conditioner
RP: Repair Kit
SR: Seal Ring
LS: Leveling Saddle
WNCF: Weld Neck Companion Flange
WNRF: Weld Neck Raised Face Flange
TH: Thermowell
SP: Sample Probe
TW: Testwell
GA: Standard Connection Gauge
GABM: Back Mount Gauge
3: 3/16"
3: 3/16"
6: 3/8"
3: 3/16"
6: 3/8"
3: 3/16"
1/4", 3/8", 1/2", 3/4", 1", 1 1/4", 1 1/2", 2", 3", 4"
2: 1/8", 3: 3/16"
6: 600#
1: 150#, 3: 300#, 6: 600#, 9: 900#, 15: 1500# , 25: 2500#
F: Flange
P: Pin
PL: Pin Long
R: RTJ
02: 2", 03: 3", 04: 4", 06: 6", 08: 8", 10: 10", 12: 12", 14: 14", 16: 16", 18: 18", 20: 20", 24: 24"
2: 2", 3: 3", 4: 4", 6: 6", 8: 8", 10: 10", 12: 12", 14: 14", 16: 16", 18: 18", 20: 20", 24: 24"
002: 2", 003: 3", 004: 4", 006: 6", 008: 8", 010: 10", 012: 12"
1: 150#
3: 300#
6: 600#
XXXX: Specify in 1/4" increments
2.5: 2.5" Dial
4: 4" Dial
BB6H: Block & Bleed
BB6H: Block & Bleed
M5S: Regular
MA5S: 90 Degree
GC4S: Gas Chromatograph
M5S: Regular, MA5S: 90 Degree
G6H: Gauge Valve 4.75"
GL6H: Gauge Valve 7.25"
N6G: Gas Valve
NA6G: Angle Gas Valve
H6H: Hand Valve
1/4", 3/8", 1/2", 3/4", 1", 1 1/4", 1 1/2", 2", 3", 4"
02: 2", 03: 3", 04: 4", 06: 6", 08: 8", 10: 10", 12: 12"
14.3: API Design
(empty): 85 Ed.
14.3: API Design
02: 2", 03: 3", 04: 4", 06: 6", 08: 8", 10: 10", 12: 12", 14: 14" , 16: 16", 18: 18", 20: 20", 24: 24"
50: NOVA 50E Model
14.3: API Design
(empty): 85 Ed.
SS: Stainless Steel
CS: Carbon Steel
1: Cast Steel
02: 2", 03: 3", 04: 4", 06: 6", 08: 8", 10: 10", 12: 12"
1/4", 1/2", 3/4", 1"
1/4" standard 2.5" Class
1/2" standard 4" Class
M5S: Regular, MA5S: 90 Degree
(empty): 1/2" NPT standard, 12: 3/4”, 16: 1”
(empty): 1/2" NPT standard, 12: 3/4”, 16: 1”
P: Female NPT
FL: 4-Bolt Flange
4: 1/4"
P: Female NPT, FL: 4-Bolt Flange
(empty): 1/2" NPT standard, 12: 3/4", 16: 1"
4: 1/4", (empty): 1/2", 12: 3/4"
1K: 1000 psi
2K: 2000 psi
1: 1/8", 2: 1/4", 3: 3/8", 4: 1/2"
02: 2", 03: 3", 04: 4", 06: 6", 08: 8", 10: 10", 12: 12", 14: 14", 16: 16", 18: 18", 20: 20", 24: 24", 30: 30", 36: 36"
40: Sch 40
80: Sch 80
14.3: API Design
(empty): 85 Ed.
40: Sch 40
80: Sch 80
1/4", 1/2", 3/4", 1"
30, 60, 160, 300, 600, 1000, 1500, 2000, 5000
M: Male NPT
P: Female NPT
MS: Male Socket Weld
FS: Female Socket Weld
M: Male NPT
P: Female NPT
MS: Male Socket Weld
FS: Female Socket Weld
P: Female NPT
FL: 4-Bolt Flange
CP: 4-Bolt Coplanar Flange
P: Female NPT
P: Female NPT, FL: 4-Bolt Flange, CP: 4-Bolt Coplanar Flange
M: Male NPT
P: Female NPT
MS: Male Socket Weld
FS: Female Socket Weld
M: Male NPT
P: Female NPT
FF: Female x Female
MF: Male x Female
FM: Female x Male
MM: Male x Male
40: Sch 40
80: Sch 80
XXXX: Specify to ten-thousandths
40: Sch 40
80: Sch 80
1: Nitrile
2: HNBR
3: FKM
4: Teflon
WSN: With studs & nuts
(empty): No studs & nuts
.262"
.385"
.500"
.718"
(empty): 1/2" NPT standard, 12: 3/4”, 16: 1”
(empty): 1/2" NPT standard, 12: 3/4”, 16: 1”
SS: ASTM A182 Gr. 316
CS: ASTM A105
4: 1/4"
SS: ASTM A182 Gr. 316, CS: ASTM A105
(empty): 1/2" NPT standard, 12: 3/4", 16: 1"
4: 1/4", (empty): 1/2", 12: 3/4"
RP: Reduced Port
FP: Full Port
FW: Flange x Weld
WW: Weld x Weld
FW: Flange x Weld
2A: Gr. 316 SS
A: 1/8"
B: 1/4"
C: 3/8"
D: 1/2"
A: 304 SS
B: 316 SS
M: Male NPT
P: Female NPT
MS: Male Socket Weld
FS: Female Socket Weld
P: Female NPT, FS: Female Socket Weld
A: FEPM O Ring
V: FKM O Ring
AX
AX
AX
AX
AX
AX
AX
BV: Ball Valve
BVSW: Ball Valve Seal Welded
DC: Dual Chamber
SC: Single Chamber
PU: Universal Plate
PP: Paddle Plate
FC: Flow Conditioner
RP: Repair Kit
SR: Seal Ring
LS: Leveling Saddle
WNCF: Weld Neck Companion Flange
WNRF: Weld Neck Raised Face Flange
TH: Thermowell
SP: Sample Probe
TW: Testwell
GA: Standard Connection Gauge
GABM: Back Mount Gauge
3: 3/16"
3: 3/16"
6: 3/8"
3: 3/16"
6: 3/8"
3: 3/16"
1/4", 3/8", 1/2", 3/4", 1", 1 1/4", 1 1/2", 2", 3", 4"
2: 1/8", 3: 3/16"
6: 600#
1: 150#, 3: 300#, 6: 600#, 9: 900#, 15: 1500# , 25: 2500#
F: Flange
P: Pin
PL: Pin Long
R: RTJ
02: 2", 03: 3", 04: 4", 06: 6", 08: 8", 10: 10", 12: 12", 14: 14", 16: 16", 18: 18", 20: 20", 24: 24"
2: 2", 3: 3", 4: 4", 6: 6", 8: 8", 10: 10", 12: 12", 14: 14", 16: 16", 18: 18", 20: 20", 24: 24"
002: 2", 003: 3", 004: 4", 006: 6", 008: 8", 010: 10", 012: 12"
1: 150#
3: 300#
6: 600#
XXXX: Specify in 1/4" increments
2.5: 2.5" Dial
4: 4" Dial
BB6H: Block & Bleed
BB6H: Block & Bleed
M5S: Regular
MA5S: 90 Degree
GC4S: Gas Chromatograph
M5S: Regular, MA5S: 90 Degree
G6H: Gauge Valve 4.75"
GL6H: Gauge Valve 7.25"
N6G: Gas Valve
NA6G: Angle Gas Valve
H6H: Hand Valve
1/4", 3/8", 1/2", 3/4", 1", 1 1/4", 1 1/2", 2", 3", 4"
02: 2", 03: 3", 04: 4", 06: 6", 08: 8", 10: 10", 12: 12"
14.3: API Design
(empty): 85 Ed.
14.3: API Design
02: 2", 03: 3", 04: 4", 06: 6", 08: 8", 10: 10", 12: 12", 14: 14" , 16: 16", 18: 18", 20: 20", 24: 24"
50: NOVA 50E Model
14.3: API Design
(empty): 85 Ed.
SS: Stainless Steel
CS: Carbon Steel
1: Cast Steel
02: 2", 03: 3", 04: 4", 06: 6", 08: 8", 10: 10", 12: 12"
1/4", 1/2", 3/4", 1"
1/4" standard 2.5" Class
1/2" standard 4" Class
M5S: Regular, MA5S: 90 Degree
(empty): 1/2" NPT standard, 12: 3/4”, 16: 1”
(empty): 1/2" NPT standard, 12: 3/4”, 16: 1”
P: Female NPT
FL: 4-Bolt Flange
4: 1/4"
P: Female NPT, FL: 4-Bolt Flange
(empty): 1/2" NPT standard, 12: 3/4", 16: 1"
4: 1/4", (empty): 1/2", 12: 3/4"
1K: 1000 psi
2K: 2000 psi
1: 1/8", 2: 1/4", 3: 3/8", 4: 1/2"
02: 2", 03: 3", 04: 4", 06: 6", 08: 8", 10: 10", 12: 12", 14: 14", 16: 16", 18: 18", 20: 20", 24: 24", 30: 30", 36: 36"
40: Sch 40
80: Sch 80
14.3: API Design
(empty): 85 Ed.
40: Sch 40
80: Sch 80
1/4", 1/2", 3/4", 1"
30, 60, 160, 300, 600, 1000, 1500, 2000, 5000
M: Male NPT
P: Female NPT
MS: Male Socket Weld
FS: Female Socket Weld
M: Male NPT
P: Female NPT
MS: Male Socket Weld
FS: Female Socket Weld
P: Female NPT
FL: 4-Bolt Flange
CP: 4-Bolt Coplanar Flange
P: Female NPT
P: Female NPT, FL: 4-Bolt Flange, CP: 4-Bolt Coplanar Flange
M: Male NPT
P: Female NPT
MS: Male Socket Weld
FS: Female Socket Weld
M: Male NPT
P: Female NPT
FF: Female x Female
MF: Male x Female
FM: Female x Male
MM: Male x Male
40: Sch 40
80: Sch 80
XXXX: Specify to ten-thousandths
40: Sch 40
80: Sch 80
1: Nitrile
2: HNBR
3: FKM
4: Teflon
WSN: With studs & nuts
(empty): No studs & nuts
.262"
.385"
.500"
.718"
(empty): 1/2" NPT standard, 12: 3/4”, 16: 1”
(empty): 1/2" NPT standard, 12: 3/4”, 16: 1”
SS: ASTM A182 Gr. 316
CS: ASTM A105
4: 1/4"
SS: ASTM A182 Gr. 316, CS: ASTM A105
(empty): 1/2" NPT standard, 12: 3/4", 16: 1"
4: 1/4", (empty): 1/2", 12: 3/4"
RP: Reduced Port
FP: Full Port
FW: Flange x Weld
WW: Weld x Weld
FW: Flange x Weld
2A: Gr. 316 SS
A: 1/8"
B: 1/4"
C: 3/8"
D: 1/2"
A: 304 SS
B: 316 SS
M: Male NPT
P: Female NPT
MS: Male Socket Weld
FS: Female Socket Weld
P: Female NPT, FS: Female Socket Weld
A: FEPM O Ring
V: FKM O Ring
