Stainless Steel Raised Face Blind Flanges

Stainless Steel Raised Face Blind Flanges

The product table below lists 304 and 316 stainless steel raised face blind flanges from 1/2" to 24" in Class 150 and Class 300; ask us about other sizes and classes. Dimension and drilling charts follow the table.

Get a price: the product table below lists prices; if an item shows Quote, call (800) 282-9694 or send us a message.

We carry a full line of stainless steel raised face blind flanges, used to block the end of a pipe system or valve. The raised face concentrates more pressure on a smaller area, which provides increased containment capability.
Types: Raised Face Blind
Sizes: 1/2" - 36" +
Bores: S/5s - XXH
Pressures: 150 - 300 - 600
Alloys: Stainless - Carbon - Aluminum
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Raised Face Blind
150#
304 Stainless Steel
$42.71
Max:
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Step: 1
1/2
Raised Face Blind
150#
316 Stainless Steel
$61.22
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Min: 1
Step: 1
1/2
Raised Face Blind
300#
304 Stainless Steel
$74.15
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Min: 1
Step: 1
1/2
Raised Face Blind
300#
316 Stainless Steel
$114.16
Max:
Min: 1
Step: 1
3/4
Raised Face Blind
150#
304 Stainless Steel
$51.81
Max:
Min: 1
Step: 1
3/4
Raised Face Blind
150#
316 Stainless Steel
$71.75
Max:
Min: 1
Step: 1
3/4
Raised Face Blind
300#
304 Stainless Steel
$74.15
Max:
Min: 1
Step: 1
3/4
Raised Face Blind
300#
316 Stainless Steel
$114.16
Max:
Min: 1
Step: 1
1
Raised Face Blind
150#
304 Stainless Steel
$55.41
Max:
Min: 1
Step: 1
1
Raised Face Blind
300#
304 Stainless Steel
$74.15
Max:
Min: 1
Step: 1
1
Raised Face Blind
150#
316 Stainless Steel
$82.34
Max:
Min: 1
Step: 1
1
Raised Face Blind
300#
316 Stainless Steel
$114.16
Max:
Min: 1
Step: 1
1 1/4
Raised Face Blind
150#
304 Stainless Steel
$78.89
Max:
Min: 1
Step: 1
1 1/4
Raised Face Blind
150#
316 Stainless Steel
$100.05
Max:
Min: 1
Step: 1
1 1/4
Raised Face Blind
300#
304 Stainless Steel
$101.26
Max:
Min: 1
Step: 1
1 1/4
Raised Face Blind
300#
316 Stainless Steel
$187.16
Max:
Min: 1
Step: 1
1 1/2
Raised Face Blind
150#
304 Stainless Steel
$78.89
Max:
Min: 1
Step: 1
1 1/2
Raised Face Blind
150#
316 Stainless Steel
$100.05
Max:
Min: 1
Step: 1
1 1/2
Raised Face Blind
300#
304 Stainless Steel
$101.26
Max:
Min: 1
Step: 1
1 1/2
Raised Face Blind
300#
316 Stainless Steel
$187.16
Max:
Min: 1
Step: 1
2
Raised Face Blind
150#
304 Stainless Steel
$97.72
Max:
Min: 1
Step: 1
2
Raised Face Blind
300#
304 Stainless Steel
$109.52
Max:
Min: 1
Step: 1
2
Raised Face Blind
150#
316 Stainless Steel
$133.06
Max:
Min: 1
Step: 1
2
Raised Face Blind
300#
316 Stainless Steel
$207.15
Max:
Min: 1
Step: 1
2 1/2
Raised Face Blind
150#
304 Stainless Steel
$138.81
Max:
Min: 1
Step: 1
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Product Info

We have an extensive inventory of stainless steel raised face blind flanges to compliment our pipe products. Most of our high quality, flanges and gasket kits are ready to ship upon request. Speak to one of our flange specialists to discuss which flange products are available to meet your specifications. View an overview of our stainless steel product offerings.

Dimensions

The charts below list the dimensions, drilling and approximate weights of our Class 150 and Class 300 raised face blind flanges. Full Class 150 and Class 300 charts for every raised face and lap joint flange type are on our stainless steel flanges page.

Dimensions in inches; weights are approximate, in pounds each.

* Includes the 1/16" raised face, as on our data sheet; current ASME B16.5 tables list these dimensions 1/16" smaller.

Call us for stud and machine bolt lengths.

Class 150 raised face blind flange: dimensions, drilling and approximate weight (inches)
Size Flange OD Thickness Q min.* Raised face dia. F Drilling and bolts Approx. weight (lb)
Bolt circle dia.No. of holesHole dia.Bolt dia.
1/2"3.500.441.382.3840.621/21.25
3/4"3.880.501.692.7540.621/21.50
1"4.250.562.003.1240.621/22.00
1-1/4"4.620.622.503.5040.621/23.00
1-1/2"5.000.692.883.8840.621/24.00
2"6.000.753.624.7540.755/86.50
2-1/2"7.000.884.125.5040.755/89.50
3"7.500.945.006.0040.755/812.50
3-1/2"8.500.945.507.0080.755/813.00
4"9.000.946.197.5080.755/817.00
5"10.000.947.318.5080.883/420.00
6"11.001.008.509.5080.883/426.50
8"13.501.1210.6211.7580.883/445.00
10"16.001.1912.7514.25121.007/870.00
12"19.001.2515.0017.00121.007/8110.00
14"21.001.3816.2518.75121.121140.00
16"23.501.4418.5021.25161.121180.00
18"25.001.5621.0022.75161.251-1/8220.00
20"27.501.6923.0025.00201.251-1/8285.00
24"32.001.8827.2529.50201.381-1/4430.00
Class 300 raised face blind flange: dimensions, drilling and approximate weight (inches)
Size Flange OD Thickness Q min.* Raised face dia. F Drilling and bolts Approx. weight (lb)
Bolt circle dia.No. of holesHole dia.Bolt dia.
1/2"3.750.561.382.6240.621/22
3/4"4.620.621.693.2540.755/83
1"4.880.692.003.5040.755/83
1-1/4"5.250.752.503.8840.755/84
1-1/2"6.120.812.884.5040.883/46
2"6.500.883.625.0080.755/88
2-1/2"7.501.004.125.8880.883/412
3"8.251.125.006.6280.883/416
3-1/2"9.001.195.507.2580.883/421
4"10.001.256.197.8880.883/427
5"11.001.387.319.2580.883/435
6"12.501.448.5010.62120.883/450
8"15.001.6210.6213.00121.007/881
10"17.501.8812.7515.25161.121125
12"20.502.0015.0017.75161.251-1/8185
14"23.002.1216.2520.25201.251-1/8250
16"25.502.2518.5022.50201.381-1/4295
18"28.002.3821.0024.75241.381-1/4395
20"30.502.5023.0027.00241.381-1/4505
24"36.002.7527.2532.00241.621-1/2790

Standard Specifications

ANSI flanges meet ASTM-ASME A182 material specification and ASA B16.5 dimensional specification. View the standard specifications.

Stainless Steel Grades

Learn about our stainless steel inventory, functionality and application of our various grades of stainless steel.

Reference Catalog

We engineered our product Reference Catalog for you to easily identify all of our products. The catalog includes specification charts and general dimensional illustrations to help you identify available and needed products.

Additional Info

Stainless steel raised face blind flanges are used to block the end of a pipe system or valve. The raised face is engineered to concentrate more pressure to a smaller area on the flange, which provides an increased containment capability at higher pressures.

Frequently Asked Questions

What sizes of raised face blind flanges do you carry?

The product table on this page lists 304 and 316 stainless steel raised face blind flanges from 1/2" to 24" in Class 150 and Class 300. For other sizes, classes or alloys, call (800) 282-9694 or send us a message.

What are the dimensions of a 4" Class 150 blind flange?

A 4" Class 150 raised face blind flange is 9.00" OD and 0.94" thick (including the 1/16" raised face), with eight 5/8" bolts on a 7.50" bolt circle in 0.75" holes. It weighs about 17 lb.

What is a blind flange used for?

A blind flange has no bore. It is used to block the end of a pipe system or valve.

What is the difference between a raised face blind flange and a blind plate flange?

A raised face blind flange is made to ASME/ANSI B16.5 in Class 150 or 300, with a raised face. A blind plate flange is a flat face plate with Class 150 drilling; see our blind plate flanges.

What specifications do your blind flanges meet?

Our ANSI flanges meet the ASTM-ASME A182 material specification and the ASA B16.5 dimensional specification.

How do I get a price?

Prices are listed in the product table on this page. If an item shows Quote, or you need a size or class that is not listed, call (800) 282-9694 or send us a message.