Alloy Steel A182 F91 Flanges Manufacturers

Both forged or rolled low alloy and stainless steel pipe components for use in pressure systems are covered by the astm a182 specification. This SA 182 gr. F91 flange is frequently utilised in areas with frequently increased temperature settings. Fittings, flanges, valves, and other similar parts that can be built to the required dimensions or to dimensional specifications are included in the astm a182 specification components.

Table of Content

Manufacturer Of A182 F91 Alloy Steel Plate Flange, Chrome Moly Grade F91 Blind flange, ASME SA182 Gr.f91 Slip On Flange at factory price from F91 Flanges Manufacturers

Several grades of additional martensitic, austenitic, ferritic, ferritic-austenitic stainless steels, and low alloy steels are included in the astm a182 specification. The choice of these alloys will be based on the application's ultimate use, design specifications, and needs. A forged fitting made of martensitic stainless steel is the sa 182 gr f91. The chemical composition of a182 f91, which includes nickel and molybdenum, gives the alloy good ductility in situations with sub-zero temperatures.

Another reason why the mechanical qualities of a182 f91 are better than those of other common martensitic stainless steel grades like 13 Cr, 410, and 420 Mod is the addition of certain elements. There is virtually little risk of the thick areas of the fastener shattering during heat treatment because the ASTM A182 f91 flange steel is air hardened.

In addition to the NACE MR0175's restrictions on the heat treatment temperature, the asme sa 182 gr f91's maximum hardness allowed is restricted to 23 HRC. Excellent corrosion resistance and weldability are features of the a182 f91 material. The alloy is widely utilised in the production of a182 f91 blind flanges, among other things, because of its superior corrosion resistance and capacity to endure high temperature and high pressure settings.

ASTM A182 f91 class 3 Orifice Flanges, Alloy Steel F91 Industrial Flanges, Check ASME SA182 f91 material Price List

AS F91 Socket weld Flanges
AS F91 Socket weld Flanges
ASTM A182 Alloy Steel F91 Flanges
ASTM A182 Alloy Steel F91 Flanges
Alloy Steel F91 Flanges
Alloy Steel F91 Flanges

The chrome and molybdenum content of alloyed flange materials, such as chrome-moly alloy like the alloy steel a182 f91 flanges, is typically higher than that of carbon steel flanges. When compared to normal carbon grade steel flanges, alloy steel flange materials, such as the asme sa182 f91, often offer superior corrosion resistance, making them ideally suited to high temperature and high pressure applications.

Because ASTM A182 alloy steel f91 is so ductile, robust, and tough, it is both long-lasting and durable. The astm a182 f91 also has strong scaling resistance in aqueous media and good oxidation resistance. The ASTM A335 alloy steel pipes with f91 flanges are frequently used in tandem or are best matched.

 

Specifications Of Alloy Steel F91 Flanges
Specifications ASTM A182 Alloy Steel F91 Flanges
ASME B16.5 Alloy Steel F91 Flanges size range 1/2" (15 NB) to 48" (1200NB) DN10~DN5000
Alloy Steel F91 Flanges Standards ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, GOST Flanges, ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, ANSI Flanges,
Alloy Steel F91 Flanges Standard DIN 6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64
Alloy Steel F91 Flanges Standard ANSI Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS
Alloy Steel F91 Flanges Standard UNI 6Bar 10Bar 16Bar 25Bar 40Bar
Alloy Steel F91 Flanges Standard JIS 5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K
Alloy Steel F91 Flanges Standard EN 6Bar 10Bar 16Bar 25Bar 40Bar
Main Types Forged / Threaded / Screwed / Plate
Flange supporting material Gasket, Ring Joint, Flange Bolts
Alloy Steel F91 Pipe Flanges Test Certificates EN 10204/3.1B
Raw Materials Certificate
100% Radiography Test Report
Third Party Inspection Report, etc
Production technique
  • Forged, Heat treated and machined
Connect Type/ Flange Face Type Small Male-Female (SMF), Small Tongue & Groove, Large Tongue & Groove,Raised Face (RF), Ring Type Joint (RTJ), Flat Face (FF), Large Male-Female (LMF), Lap-Joint Face (LJF)
Most common types of Alloy Steel F91 Flanges
  • Weld Neck Ring Flange (WNRF), Alloy Steel F91 Flanges
  • Lap Joint Ring Flange (LJRF), Alloy Steel F91 Flanges
  • Socket Weld Ring Flange (SWRF), Alloy Steel F91 Flanges
  • Slip-On Ring Flange (SORF), Alloy Steel F91 Flanges
  • Blind Ring Flange (BLRF), Alloy Steel F91 Flanges
  • Threaded Ring Flange, Alloy Steel F91 Flanges
  • Ring Type Joint Flange (RTJF), Alloy Steel F91 Flanges
Special design

As per your drawing

AS, ANSI, BS, DIN and JIS
15 NB (1/2") to 200 NB (8")
Equal and Reducing Configurations

Alloy Steel F91 Flanges Threaded Flanges, Socketweld Flanges, Slip-On Flanges, Blind Flanges, Weld Neck Flanges
Test Direct-reading Spectrograph, Hydrostatic testing machine, X-ray detector, UI trasonic flaw detector, Magnetic particle detector
Origin Indian / West Europe / Japan / USA / Korean
Equipment Press machine, Bending machine, Pushing Machine, electric bevelling machine, Sand-blasting machine etc
Specialized manufacturer of
  • DIN 2566 pn10
  • Rtj Flanges
  • DIN 2566 pn16
  • DIN 2566 en 1092 1
  • Pn16 Flanges
  • Alloy Steel F91 Blind Flanges
  • Alloy Steel F91 Table Flanges
  • Alloy Steel F91 Lap Joint Flanges
  • Alloy Steel F91 Loose Flanges
  • Alloy Steel F91 Orifice Flanges
  • Alloy Steel F91 AS 4087 Water Flanges
  • Alloy Steel F91 Weld Neck Flanges
  • Alloy Steel F91 Flanges
  • Alloy Steel F91 Slip-On Flanges
  • Alloy Steel F91 Socketweld Flanges
  • Alloy Steel F91 Plate Flanges
  • Alloy Steel F91 Large Diameter Flanges
  • Alloy Steel F91 Sorf Flanges
Alloy Steel F91 Flanges Standard

ANSI Flange, ASME Flange, DIN Flange, EN1092-1 Flange, UNI Flange, JIS/ KS Flange, BS4504 Flange, GB Flange, AWWA C207 Flange, GOST Flange, PSI Flange, ANSI DIN, GOST, JIS, UNI, BS, AS2129, AWWA, EN, SABS, NFE,
BS Flange, EN Flange, API 6A Flange etc

  • B.S: BS4504 , BS3293, BS1560, BS10
  • AS 2129: Table D; Table E; Table H
  • ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings
  • ANSI : ANSI B16.5, ANSI B16.47(API605), MSS SP44, ANSI B16.36, ANSI B16.48
  • ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48
  • American standard (ANSI)
  • German (DIN)
  • British standard (BS)
  • Any other specilised flanges
  • DIN: DIN 2527, DIN 2566, DIN 2573, DIN 2576, DIN 2641, DIN 2642, DIN 2655, DIN 2656, DIN 2627, DIN 2628, DIN 2629, DIN 2631, DIN 2632, DIN 2633, DIN 2634, DIN 2635, DIN 2636, DIN 2637, DIN 2638
  • The other standard: AWWA C207; EN1092-1, GOST12820, JIS B2220; KS B1503, SABS1123; NFE29203;UNI2276
Key markets and industries for Alloy Steel F91 Flanges
  • Nuclear power (mostly seamless).
  • Petrochemicals and acids.
  • Bitumen upgraders.
  • Heavy oil refineries.
Export to India, Spain, Oman, Iran, Peru, Singapore, Korea, Dubai, USA, Brazil, Egypt, Ireland, Ukraine, Thailand, Indonesia, Canada, Saudi Arabia, etc
Alloy Steel F91 Flanges Application
  • To Connect Pipe & Tubes in Gas,Construction Metallurgy, Shipbuilding, Petroleum, Power, Chemical etc
Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175

 

Types Of Grade F91 Alloy Steel Flanges
AS F91 Raised Face Flanges
AS F91 Raised Face Flanges
Alloy Steel F91 Square Flanges
Alloy Steel F91 Square Flanges
ASTM A182 F91 Nipo flange
ASTM A182 F91 Nipo flange
F91 Alloy Steel Spade Flange
F91 Alloy Steel Spade Flange
A182 Alloy Steel F91 Weldoflange
A182 Alloy Steel F91 Weldoflange
Alloy Steel F91 Socket Weld Flanges (SWRF)
Alloy Steel F91 Socket Weld Flanges (SWRF)
ASME SA182 F91 AS Blind Flanges (BLRF)
ASME SA182 F91 AS Blind Flanges (BLRF)
ASTM A182 F91 Weld Neck Flanges (WNRF)
ASTM A182 F91 Weld Neck Flanges (WNRF)
Alloy Steel F91 Ring Type Joint Flanges (RTJ)
Alloy Steel F91 Ring Type Joint Flanges (RTJ)
ASTM A182 AS F91 Tongue & Groove Flanges
ASTM A182 AS F91 Tongue & Groove Flanges
Alloy Steel F91 Lap Joint Flanges
Alloy Steel F91 Lap Joint Flanges
ASTM A182 Alloy Steel F91 Reducing Flanges
ASTM A182 Alloy Steel F91 Reducing Flanges
Alloy Steel F91 Threaded / Screwed Flanges
Alloy Steel F91 Threaded / Screwed Flanges
ASME SA182 Alloy Steel F91 Orifice Flanges
ASME SA182 Alloy Steel F91 Orifice Flanges
Alloy Steel F91 Long Weld Neck Flanges
Alloy Steel F91 Long Weld Neck Flanges
A182 AS F91 Spectacle Blind Flanges
A182 AS F91 Spectacle Blind Flanges
SA182 AS F91 Ring Spacer
SA182 AS F91 Ring Spacer
F91 Alloy Steel High Hub Blind Flanges
F91 Alloy Steel High Hub Blind Flanges
A182 Alloy Steel F91 Forged Flanges
A182 Alloy Steel F91 Forged Flanges
Alloy Steel F91 Bleed Ring Flange
Alloy Steel F91 Bleed Ring Flange
ASME SA182 AS F91 Slip On Flanges
ASME SA182 AS F91 Slip On Flanges
AS F91 Male & Female Flanges
AS F91 Male & Female Flanges
ASTM A182 Alloy Steel F91 Plate Flanges
ASTM A182 Alloy Steel F91 Plate Flanges
Alloy Steel F91 Puddle Flanges
Alloy Steel F91 Puddle Flanges
Alloy Steel F91 Flange Dimensions
Click on below links for Alloy Steel F91 Flanges dimensions

 

Alloy Steel F91 Pipe Flange Dimensions
AMERICAN SOCIETY OF MECHANICAL ENGINEERS (ASME)
  • ASME B1.20.1, Pipe Threads, General Purpose
  • ASME B16.1, Cast Iron Flanges and Flanged Fittings Classes 25, 125 and 250
  • ASME B16.5, Pipe Flanges and Flanged Fittings NPS 1/2 Through NPS 24
  • ASME B16.11, Forged Fittings, Socket Welding and Threaded
  • ASME B16.25, Buttwelding Ends
  • ASME B16.36, Orifice Flanges
  • ASME B16.47, Large Diameter Steel Flanges NPS 26 Through NPS 60
  • ASME B31.1, Power Piping
  • ASME B31.3, Process Piping
  • ASME B46.1, Surface Texture (Surface Roughness, Waviness, and Lay)

 

 

Alloy Steel F91 Forged and Plate Flanges
Alloy Steel F91 Flanges
Alloy Steel F91 Blind Flanges
Alloy Steel F91 Reducing Flanges
Alloy Steel F91 Lap Joint Flanges
Alloy Steel F91 Plate Flanges
Alloy Steel F91 Orifice Flanges
Alloy Steel F91 Forged Flanges
Alloy Steel F91 Slip-On Flanges
Alloy Steel F91 Flanges
Alloy Steel F91 Weld Neck Flanges
Alloy Steel F91 Socket Weld Flanges
Alloy Steel F91 Ring Type Joint Flanges

 

Pressure Ratings Of Alloy Steel F91 Pipe Flange

Alloy Steel F91 Flange Standards / Types and Pressure Class :

ASME/ANSI B 16.36 Welding Neck Flange, Slip on Flange, Threaded Flange
PRESSURE CLASS 300, 400, 600, 900, 1500, 2500
ASME/ANSI B 16.5 Welding Neck Flange, Slip on Flange, Blind Flange, High Hub Blind Flange, Socket Weld Flange, Lap Joint Flange, Threaded Flange, Ring Type Joint Flange
PRESSURE CLASS 150, 300, 400, 600, 900, 1500, 2500
ASME/ANSI B 16.47 Welding Neck Flange, Blind Flange [Series A & B]
PRESSURE CLASS 75, 150, 300, 400, 600, 900
BS 4504 SEC 3.1 Welding Neck Flange, Hubbed Slip on Flange, Hubbed Threaded Flange, Lapped Pipe End Flange, Plate Flange, Loose Plate Flange, Loose Plate With Weld Neck Flange, Blank Flange
PRESSURE CLASS PN 2.5 TO PN 40
BS 4504[PART 1] Welding Neck Flange, Hubbed Slip-On Hubbed Threaded, Plate Flange, Loose Plate With Weld On Plate Collar, Blank Flange
PRESSURE CLASS PN 2.5 TO PN 400
BS 1560 BOSS Welding Neck Flange, Socket Welding Flange, Slip-On Flange, Blind Flange, Screwed Boss Flange, Lapped Flange
PRESSURE CLASS 150, 300, 400, 600, 900, 1500, 2500
BS10 Welding Neck Flange, Plate Slip-On Flange, Screwed Boss Flange, Slip-On Boss Flange, Blind Flange
TABLE D, E, F, H
DIN FLANGES DIN 2527, 2566, 2573, 2576, 2641, 2642, 2655, 2656, 2627, 2628, 2629, 2631, 2632, 2633, 2634, 2635, 2636, 2637, 2638, 2673
PRESSURE CLASS PN 6 TO PN 100

 

Alloy Steel F91 Flanges Standard
Click On Below Links For Astm A182 F91 Flanges Standard

 

buy A182 F91 SWRF Flanges, Asme Sa182 F91 WNRF Flange, ASTM A182 Gr f91 Threaded Flange at affordable price

Chemical Composition Of Alloy Steel F91 Flanges
Grade
C
Mn
Si
P
S
Cr
Mo
Alloy Steel F91
  
0.15 max
  
0.3-0.6
0.5-1.0
  
0.03
0.03
8-10
0.9-1.1
Stockholder Of Alloy Steel F91 RTJ Flange, Ready Stock of F91 Alloy Steel Flange

 

Weight Chart Of Alloy Steel F91 Flanges

15mm (1/2") Alloy Steel F91 Flanges Weight Chart

Pipe Normal Diam.
O.D. Flange
Thk. Of Flange Min
Diam.
of
Hub
Diameter of Raised Face
Length Hub.Y
Thread Length
Diam.
of Bolt
Circle
Diam.
of Bolt
Holes
Number
of Bolts
Diam. of
Bolts
(inch)
KG
LB
inch
dn
O
C
X
G
Y
T
BC
BH
BN
BD
1/2"
15
89.00
11.20
30.20
35.10
15.70
15.70
60.50
15.80
4
1/2"
0.4
0.9
3/4"
20
98.50
12.70
38.10
42.90
15.70
15.70
69.90
15.80
4
1/2"
0.7
1.5
1"
25
108.00
14.20
49.30
50.80
17.50
17.50
79.30
15.80
4
1/2"
0.8
1.8
1-1/4"
32
117.50
15.70
58.70
63.50
20.60
20.60
88.90
15.80
4
1/2"
1.2
2.6
1-1/2"
40
127.00
17.50
65.00
73.20
22.40
22.40
98.60
15.80
4
1/2"
1.5
3.3
2"
50
152.50
19.10
77.70
91.90
25.40
25.40
120.70
19.10
4
5/8"
2.3
5.1
2-1/2"
65
178.00
22.40
90.40
104.60
28.40
28.40
139.70
19.10
4
5/8"
3.7
8.1
3"
80
190.50
23.90
108.00
127.00
30.20
30.20
152.40
19.10
4
5/8"
4.1
9
3-1/2"
90
216.00
23.90
122.20
139.70
31.80
31.80
177.80
19.10
8
5/8"
5.1
11.2
4"
100
228.50
23.90
134.90
157.20
33.30
33.30
190.50
19.10
8
5/8"
5.9
13
5"
125
254.00
23.90
163.60
185.70
36.60
36.60
215.90
22.40
8
3/4"
7
15.4
6"
150
279.50
25.40
192.00
215.90
39.60
39.60
241.30
22.40
8
3/4"
8.4
18.5
8"
200
343.00
28.40
246.10
269.70
44.50
44.50
298.50
22.40
8
3/4"
13
28.6
10"
250
406.50
30.20
304.80
323.90
49.30
49.30
362.00
25.40
12
7/8"
18
39.5
12"
300
482.50
31.80
365.30
381.00
55.60
55.60
431.80
25.40
12
7/8"
29
64
14"
350
533.50
35.10
400.10
412.80
57.20
57.20
476.30
28.50
12
1"
39
86
16"
400
597.00
36.60
457.20
469.90
63.50
63.50
539.80
28.50
16
1"
47
103
18"
450
635.00
39.60
505.00
533.40
68.30
68.30
577.90
31.80
16
1 1/8"
57
126
20"
500
698.50
42.90
558.80
584.20
73.20
73.20
635.00
31.80
20
1 1/8"
76
167
24"
600
813.00
47.80
663.40
692.20
82.60
82.60
749.30
35.10
20
1 1/4"
97
214

 

Mechanical Properties Of Alloy Steel F91 Flanges
Tensile Strength
Yield Strength (0.2%Offset)
Elongation
380
585
20 %

 

ASTM A182 F91 Alloy Steel Flanges Available Types
F91 Alloy Steel SORF Flanges
Alloy Steel A182 F91 BLRF Flanges
Alloy Steel A182 F91 Puddle Flanges
Alloy F91 Split Flanges Stockist
F91 Alloy Steel SAE Flanges
ASME SA182 F91 Reducing Flanges Wholesaler
Alloy Steel F91 Flanges Manufacturer
ASTM A182 Alloy Steel F91 Exhaust Flanges
AS F91 Screwed Flanges Exporter
ASME SA182 Alloy Steel F91 Tank Flanges
A182 F91 Alloy Steel RTJ Flanges
F91 Alloy Steel Flanges WNRF Flanges Supplier
Alloy F91 Flanges
F91 Alloy Steel Flanges EN 1092-1 Flanges
Alloy Steel A182 F91 Orifice Flange
Alloy Steel 5Cr-1/2Mo Spectacle Blind Flanges
Alloy Steel A182 F91 Flanges
ANSI F91 Alloy Steel Blind Flange
Alloy Steel F91 Weld Neck Flanges
Alloy Steel F91 Socket weld Flanges
Alloy Steel F91 Ring Type Joint Flanges
Steel ASTM A182 F91 Threaded Flanges
ASME SA182 F91 Alloy Steel F91 BLRF Flange
Alloy ASTM A182 F91 SORF Flanges
Chrome Moly Alloy Steel F91 DIN Flanges
ASTM A182 F91 Alloy Steel Nipoflange
Alloy Steel F91 Raised Face Flanges
Alloy Steel F91 ASME B16.5 Flanges
Alloy Steel F91 Forged Flanges
Alloy Steel F91 EN 1092-1 Flanges
Alloy Steel F91 BS 4504 Flanges
Alloy Steel F91 Flanges
Alloy Steel F91 Flat Flange
Alloy Steel F91 Slip on Flanges
Alloy Steel ASTM A182 F91 Reducing Flanges
Alloy Steel F91 Long Weld Neck Flanges
Steel F91 Tongue & Groove Flanges
Chrome Moly Alloy Steel F91 Male & Female Flanges
ANSI B16.5 Alloy Steel F91 RTJ Flanges
Alloy Steel F91 Screwed Flanges
ASTM A182 Alloy Steel F91 Lap Joint Flanges
Chrome Moly Alloy Steel F91 WNRF Flange
A182 Alloy Steel F91 Square Flanges
ASME SA182M Alloy Steel F91 SWRF Flange

 

Alloy Steel F91 Flanges Application
  •  ASME Alloy Steel F91 Flanges uses in Bellows
  •  SA182 AS F91 Flanges uses in Expansion joints
  •  ASTM A182 F91 Flanges uses in Heating element tubing
  •  Alloy Steel F91 Flanges uses in Heat Exchangers
  •  A182 AS F91 Blind Flanges uses in Spiral Welded tube for burner pipes and flues
  •  F91 Alloy Steel Flanges uses in Woven or welded screens for high temperature mineral processing
  •  ASTM A182 F91 Alloy Steel Flanges uses in Aircraft exhaust fastenersonline
  •  ASTM A182 F91 Alloy Steel Flanges uses in Furnace parts

 

Find Available Stock Sizes
Flange Schedule/Class
Pipe Size - Pipe Flanges
Flange Connection Type
Flange Material
Max. Pressure
ASME B16.5 Class 150
1/2"
FNPT
Alloy Steel F91 Flanges
150 psi
ASME B16.5 Class 150
1/2"
Socket Weld
Alloy Steel F91 Flanges
275 psi
ASME B16.5 Class 150
1/2"
Welded
Alloy Steel F91 Flanges
150 psi
ASME B16.5 Class 150
3/4"
FNPT
Alloy Steel F91 Flanges
150 psi
ASME B16.5 Class 150
3/4"
Socket Weld
Alloy Steel F91 Flanges
275 psi
ASME B16.5 Class 150
1-1/4"
Socket Weld
Alloy Steel F91 Flanges
275 psi
ASME B16.5 Class 150
1-1/2"
Socket Weld
Alloy Steel F91 Flanges
275 psi
ASME B16.5 Class 150
2"
FNPT
Alloy Steel F91 Flanges
150 psi
ASME B16.5 Class 150
2"
Socket Weld
Alloy Steel F91 Flanges
275 psi
ASME B16.5 Class 150
2-1/2"
Socket Weld
Alloy Steel F91 Flanges
275 psi
ASME B16.5 Class 150
3"
Socket Weld
Alloy Steel F91 Flanges
275 psi
ASME B16.5 Class 150
4"
FNPT
Alloy Steel F91 Flanges
150 psi
ASME B16.5 Class 150
4"
Socket Weld
Alloy Steel F91 Flanges
275 psi
ASME B16.5 Class 300
1/2"
Slip On
Alloy Steel F91 Flanges
720 psi
ASME B16.5 Class 300
1/2"
Slip On
Alloy Steel F91 Flanges
720 psi
ASME B16.5 Class 300
1"
Slip On
Alloy Steel F91 Flanges
720 psi
ASME B16.5 Class 300
1"
Slip On
Alloy Steel F91 Flanges
720 psi
ASME B16.5 Class 300
1-1/4"
FNPT
Alloy Steel F91 Flanges
720 psi
ASME B16.5 Class 300
1-1/4"
Slip On
Alloy Steel F91 Flanges
720 psi
ASME B16.5 Class 300
1-1/2"
Slip On
Alloy Steel F91 Flanges
720 psi
ASME B16.5 Class 300
1-1/2"
Slip On
Alloy Steel F91 Flanges
720 psi
ASME B16.5 Class 300
2"
Slip On
Alloy Steel F91 Flanges
720 psi
ASME B16.5 Class 300
2"
Slip On
Alloy Steel F91 Flanges
720 psi
ASME B16.5 Class 300
2-1/2"
Slip On
Alloy Steel F91 Flanges
720 psi
ASME B16.5 Class 300
2-1/2"
Slip On
Alloy Steel F91 Flanges
720 psi
ASME B16.5 Class 300
3"
Slip On
Alloy Steel F91 Flanges
720 psi
ASME B16.5 Class 300
3"
Slip On
Alloy Steel F91 Flanges
720 psi
ASME B16.5 Class 300
4"
Slip On
Alloy Steel F91 Flanges
720 psi
ASME B16.5 Class 300
4"
Slip On
Alloy Steel F91 Flanges
720 psi

 

flange