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Frequently this type of flange has been referred to as a raised face due to the gasket surfaces, which is raised above the bolting circle face. This face type in an ASME B16.5 Raised Face Flange is what permits the use of a wide combination of gasket designs, including a flat ring sheet type as well as metallic composites, for instance, spiral wound and double jacketed types. One of the most easily to identified components, the Carbon Steel Raised Face Flanges Weight Chart has been commonly used in process plant based applications.


ASME B16.5 Raised Face Flange
ASME B16.5 Raised Face Flange
ANSI B16.5 Stainless Steel Rf Flange
ANSI B16.5 Stainless Steel Rf Flange
Carbon Steel Raised Face Blind Flange
Carbon Steel Raised Face Blind Flange


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What Is ASME B16.5 Raised Face Flange?


The purpose of a 6 inch Slip On Raised Face Flange is to concentrate more pressure on a smaller gasket area. This in turn, effectively increases the pressure containment capacity of the joint. The Stainless Steel Rf Flange Dimensions such as the diameter and height are mentioned in standard ASME B16.5 defined, by pressure class and diameter. The pressure rating of a raised flanges will determine the height of the raised face. The ASME B16.5 standard includes Raised Face Cast Iron Flanges with the following rating class designations i.e. class 150, 300, 400, 600, 900, 1500, and 2500 produced in a size range between NPS 1/2 through NPS 24, with their requirements given in both metric and U.S units. In addition to the pressure rating and the dimensions, the ASME B16.5 standard covers ANSI B16.5 Rf Flange Material, tolerances, marking, testing, as well as methods of designating openings for flanges and flanged fittings to be used in a piping system.


ANSI B16.5 Stainless Steel Rf Flange Standard Specification


Specification : ASME B16.5 Raised Face Flange
Production Process: Forged, Heat Treated and Machined
ASME B16.5 Application: Water Pipeline Industry
Chemical Industry
Fabrication Industry
Oil And Gas Industry
Natural Gas Industry
Nuclear Power Plant
Design For Size: ASA, ASME, ANSI, BS, EN, DIN, PN, JIS
ASA Flanges Size Chart : 1/2″ (15 NB) To 48″ (1200NB)
Standards : ASME B16.5, JIS, ISO, ASME B16.38, EN-1092, BS10, DIN, GOST, UNI, ASME B16.47 (Series A, Series B), PN, AWWA, MSS SP44.
Connect Type Type: RF, LMF, SMF, FF, RTJ, LJF.
Machining Equipment: Bending machine, Press machine, electric bevelling machine, Pushing Machine, Sand-blasting machine etc
Coating Faces : Yellow Transparent, Cold and Hot Dip Galvanized, Zinc Plated, Oil Black Paint, Anti-rust Paint
Pressure Rating Table: Class 150 LBS, Class 300 LBS, Class 600 LBS, Class 900 LBS, Class 1500 LBS, Class 2500 LBS

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Types Of Carbon Steel Raised Face Flange


3/4 Blind Flange 150# Raised Face Flange

3/4 Blind Flange 150# Raised Face Flange

Din pn10 Slip On Raised Face Flange

Din pn10 Slip On Raised Face Flange

JIS 304 Stainless Steel Raised Face Weld Neck Flange

JIS 304 Stainless Steel Raised Face Weld Neck Flange

ASTM A105n B16.5 Carbon Steel Raised Face Blind Flange

ASTM A105n B16.5 Carbon Steel Raised Face Blind Flange

6 Inch 300 Lb Raised Face Blind Flange

6 Inch 300 Lb Raised Face Blind Flange

DIN2631 / DIN2632Raised Face Socket Weld Flange

DIN2631 / DIN2632Raised Face Socket Weld Flange

ASTM A182 F316 Large Raised Face Cast Iron Flanges

ASTM A182 F316 Large Raised Face Cast Iron Flange

ANSI B16.5 2 inch Std A105 Carbon Steel Raised Face Flange

ANSI B16.5 2 inch Std A105 Carbon Steel Raised Face Flange

ISO7005 DIN2543 Stainless Steel Raised Face Flanges

ISO7005 DIN2543 Stainless Steel Raised Face Flange

ANSI B16.5 150# SORF Aluminum Raised Face Flange

ANSI B16.5 150# SORF Aluminum Raised Face Flange

GOST 12821-80 CT20 Class 300 Raised Face Flange

GOST 12821-80 CT20 Class 300 Raised Face Flange

Rf Flange 150# Dimensions Table D

Rf Flanges 150# Dimensions Table D


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ASME B16.5 Raised Face Flange Dimensions


ASME B16.5 Raised Face Flange Dimensions

RF Flange 150# Dimensions


NOMINAL


ANSI

OD OD THICK. DIAM. DIAM. NO. DIAM.
DIAM. DIAM. OF OF FLANGE OF BOLT OF BOLT
CLASS NPS OF BOLTS OF BOLTS
OF FLANGE RAISED FACE tf CIRCLE HOLES
3/4 3.88 1.69 0.44 2.75 0.62 4 0.50
1 4.25 2.00 0.50 3.12 0.62 4 0.50
1 1/2 5.00 2.88 0.62 3.88 0.62 4 0.50
2 6.00 3.62 0.69 4.75 0.75 4 0.62
3 7.50 5.00 0.88 6.00 0.75 4 0.62
4 9.99 6.19 0.88 7.50 0.75 8 0.62
150 6 11.00 8.50 0.94 9.50 0.88 8 0.75
8 13.50 10.62 1.06 11.75 0.88 8 0.75
10 16.00 12.75 1.12 14.25 1.00 12 0.87
12 19.00 15.00 1.19 17.00 1.00 12 0.87
14 21.00 16.25 1.31 18.75 1.12 12 1.00
16 23.50 18.50 1.38 21.25 1.12 16 1.00
18 25.00 21.00 1.50 22.75 1.25 16 1.12
20 27.50 23.99 1.62 25.00 1.25 20 1.12
24 32.00 27.25 1.82 29.50 1.38 20 1.25
3/4 4.62 1.69 0.56 3.25 0.75 4 0.62
1 4.88 2.00 0.62 3.50 0.75 4 0.62
1 1/2 6.12 2.88 0.75 4.25 0.88 4 0.75
2 6.50 3.62 0.81 5.00 0.75 8 0.62
3 8.25 5.00 1.06 6.62 0.88 8 0.75
4 10.00 6.19 1.19 7.88 0.88 8 0.75
300 6 12.50 8.50 1.38 10.62 0.88 12 0.75
8 15.00 10.62 1.56 13.00 1.00 12 0.87
10 17.50 12.75 1.82 15.25 1.12 16 1.00
12 20.50 15.00 1.94 17.75 1.25 16 1.12
14 23.00 16.25 2.06 20.25 1.25 20 1.12
16 25.50 18.50 2.19 22.50 1.38 20 1.25
18 28.00 21.00 2.31 24.75 1.38 24 1.25
20 30.50 23.00 2.44 27.00 1.38 24 1.25
1 4.88 2.00 0.69 3.50 0.75 4 0.62
1 1/2 6.12 2.88 0.88 4.50 0.88 4 0.75
2 6.50 3.62 1.00 5.00 0.75 8 0.62
3 8.25 5.00 1.25 6.62 0.88 8 0.75
4 10.75 6.19 1.50 8.50 1.00 8 0.87
600 6 14.00 8.50 1.88 11.50 1.12 12 1.00
8 16.50 10.62 2.19 13.75 1.25 12 1.12
10 20.00 12.75 2.50 17.00 1.38 16 1.25
12 22.00 15.00 2.62 19.25 1.38 20 1.25
14 23.75 16.25 2.75 20.75 1.50 20 1.37
16 27.00 18.50 3.00 23.75 1.62 20 1.50
1 1/2 7.00 2.88 1.25 4.88 1.12 4 1.00
2 8.50 3.62 1.50 6.50 1.00 8 0.87
3 9.50 5.00 1.50 7.50 1.00 8 0.87
900 4 11.50 6.19 1.75 9.25 1.25 8 1.12
6 15.00 8.50 2.19 12.50 1.25 12 1.12
8 18.50 10.62 2.50 15.50 1.50 12 1.37
10 21.50 12.75 2.75 18.50 1.50 16 1.37
1 1/2 7.00 2.88 1.25 4.88 1.12 4 1.00
2 8.50 3.62 1.50 6.50 1.00 8 0.87
1500 3 10.50 5.00 1.88 8.00 1.25 8 1.12
4 12.25 6.19 2.12 9.50 1.38 8 1.25
6 15.50 8.50 3.25 12.50 1.50 12 1.37
8 19.00 10.62 3.62 15.50 1.75 12 1.62

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Raised Face Reducing Flanges Pressure Ratings


ASME B16.5 Raised Face Flanges Pressure Ratings
Temperature (F°) Class 150 Class 300 Class 400 Class 600 Class 900 Class 1500 Class 2500
-20 to 100 285 740 985 1480 2220 3705 6170
200 260 680 905 1360 2035 3395 5655
300 230 655 870 1310 1965 3270 5450
400 200 635 845 1265 1900 3170 5280
500 170 605 805 1205 1810 3015 5025
600 140 570 755 1135 1705 2840 4730
650 125 550 730 1100 1650 2745 4575
700 110 530 710 1060 1590 2655 4425
750 95 505 675 1015 1520 2535 4230
800 80 410 550 825 1235 2055 3430
850 65 320 425 640 955 1595 2655
900 50 230 305 460 690 1150 1915
950 35 135 185 275 410 685 1145
1000 20 85 115 170 255 430 715