Cookie Img
Home » Products » Blind Flanges » Blind Flanges

Blind Flanges

Blind Flanges
Blind Flanges
Product Code : 01
Product Description

Blind Flanges

we are a government permitted biggest manufacturer, provider and Exporter of ASME sixteen.five Blind Flanges / BLRF Flanges. Blind flanges is a plate for covering or remaining the stop of a pipe. A flange joint is a connection of pipes, where the connecting portions have flanges by means of which the parts are bolted collectively. Blind Flanges are typically utilized in petrochemical, pipe engineering, public offerings & water works. This flange is used to blank off pipelines, valves and pumps, it is able to additionally be used as an inspection cowl. those are available in extensive type of sizes and applications. To make these products relatively suitable for diverse business applications, we are presenting them in custom designed designs.

Type Blind Flanges, BL Flanges, ASME 16.5 Blind Flanges / BLRF Flanges
Size ½” (15 NB) to 48″ (1200NB)
Pressure Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS, DIN Standard ND-6,10, 16, 25, 40 Etc.
Material Stainless Steel Blind Flanges: ASTM A182 F202, A 240 F 304, 304L, 304H, 316, 316L, 316Ti, 316LN, 310S, 317L, 321, 410, 420, 440C, 202. F904L
Carbon Steel Blind Flanges: ASTM / ASME A/SA 105 ASTM / ASME A 350 , ASTM A 181 LF 2 / A516 Gr.70 A36, A694 F42, F46, F52, F60, F65, F70
Duplex Steel Blind Flanges: ASTM / ASME SA 182 F 44 , F 45 , F51 , F 53 , F 55 , F 60 , F 61.
Alloy Steel Blind Flanges: ASTM A182 F1, F5, F9, F11, F22, F91
Special Alloy Blind Flanges: Duplex, Super Duplex, Nickel Alloys
Nickel Alloy Blind Flanges: Cupro Nickel (90/10, 70/30, 66/30/2/2), Hastelloy (C-4, C-22, C276, B-2), Nickel (200 / 201 / 205), Monel 400 & K500), Inconel (600, 601, 625 & 825), Incolloy (800, 800H), Alloy 20, Duplex Steel, SS 904L, Titanium (1 & 2) Etc.
Specialize As per drawing
Standard ANSI B16.5, ANSI B16.47, ANSI B16.36, ANSI B16.48, BS 4504, EN1092, UNI 2277/2278, DIN
Connection Type Raised Face, Flat Face, Ring Type Joint, Lap-Joint Face, Large Male-Female, Small Male-Female, Large Tongue & Groove, Small Tongue & Groove.
Flanges Forms Blind Raise Face -BLRF, Weld Neck Flanges – WNRF, Socket Weld Flanges – SWRF, Slip On Raise Face – SORF, Spectacle Blind, Ring Joint, Large Dia Flanges, Orifice Flanges, Girth Flange, Lap Joint Flanges, Screwed (Threaded) Flanges, Long Weld Neck Flanges, Reducing.
ASME/ANSI B16.5 150lb Blind Flange /Standards, Dimensions & Weight
Pipe Normal Diam. O.D. Flange Thk. Of Flange Min Diameter of Raised Face Diam.
of Bolt
Circle
Diam.
of Bolt
Holes
Number
of Bolts
Diam. of
Bolts
(inch)
KG LB
inch dn O C G BC BH BN BD

1/2″ 15 89.00 11.20 35.10 60.50 15.80 4 1/2″ 0.5 1.1
3/4″ 20 98.50 12.70 42.90 69.90 15.80 4 1/2″ 0.8 1.8
1″ 25 108.00 14.20 50.80 79.30 15.80 4 1/2″ 0.9 2
1-1/4″ 32 117.50 15.70 63.50 88.90 15.80 4 1/2″ 1.3 2.9
1-1/2″ 40 127.00 17.50 73.20 98.60 15.80 4 1/2″ 1.6 3.5
2″ 50 152.50 19.10 91.90 120.70 19.10 4 5/8″ 2.6 5.7
2-1/2″ 65 178.00 22.40 104.60 139.70 19.10 4 5/8″ 4.1 9
3″ 80 190.50 23.90 127.00 152.40 19.10 4 5/8″ 5..1 11.2
3-1/2″ 90 216.00 23.90 139.70 177.80 19.10 8 5/8″ 6.5 14.3
4″ 100 228.50 23.90 157.20 190.50 19.10 8 5/8″ 7.5 16.5
5″ 125 254.00 23.90 185.70 215.90 22.40 8 3/4″ 9.2 20.3
6″ 150 279.50 25.40 215.90 241.30 22.40 8 3/4″ 11.8 26
8″ 200 343.00 28.40 269.70 298.50 22.40 8 3/4″ 20.4 45
10″ 250 406.50 30.20 323.90 362.00 25.40 12 7/8″ 31 68
12″ 300 482.50 31.80 381.00 431.80 25.40 12 7/8″ 47 103
14″ 350 533.50 35.10 412.80 476.30 28.50 12 1″ 60 132
16″ 400 597.00 36.60 469.90 539.80 28.50 16 1″ 81 178
18″ 450 635.00 39.60 533.40 577.90 31.80 16 1 1/8″ 93 205
20″ 500 698.50 42.90 584.20 635.00 31.80 20 1 1/8″ 127 280
24″ 600 813.00 47.80 692.20 749.30 35.10 20 1 1/4″ 190 419

Note:
1) Blind Flanges may be made with the same hub as that used for Slip-on Flanges or without hub.

ASME/ANSI B16.5 300lb Blind Flange /Standards, Dimensions & Weight
Pipe Normal Diam. O.D. Flange Thk. Of Flange Min Diameter of Raised Face Diam.
of Bolt
Circle
Diam.
of Bolt
Holes
Number
of Bolts
Diam. of
Bolts
(inch)
Approx. Weight
inch dn O C G BC BH BN BD KG/PCS LB/PCS
1/2″ 15 95.5 14.2 35.1 66.5 15.7 4 1/2″ 0.8 1.8
3/4″ 20 117. 5 15.7 42.9 82.6 19.1 4 5/8″ 1.2 2.6
1″ 25 124. 0 17.5 50.8 88.9 19.1 4 5/8″ 1.5 3.3
1-1/4″ 32 133. 5 19.1 63.5 98.6 19.1 4 5/8″ 2 4.4
1-1/2″ 40 155. 5 20.6 73.2 114.3 22.4 4 5/8″ 2.9 6.4
2″ 50 165. 0 22.4 91.9 127 19.1 8 5/8″ 3.5 7.7
2-1/2″ 65 190. 5 25.4 104.6 149.4 22.4 8 3/4″ 5.3 11.7
3″ 80 209. 5 28.4 127 168.1 22.4 8 3/4″ 7.2 15.9
3-1/2″ 90 228. 5 30.2 139.7 184.2 22.4 8 3/4″ 9.2 20.3
4″ 100 254. 0 31.8 157.2 200.2 22.4 8 3/4″ 12.2 26.8
5″ 125 279. 5 35.1 185.7 235 22.4 8 3/4″ 16 35.2
6″ 150 317. 5 36.6 215.9 269.7 22.4 12 3/4″ 22 48.4
8″ 200 381. 0 41.1 269.7 330.2 25.4 12 7/8″ 36 79.5
10″ 250 444. 5 47.8 323.9 387.4 28.4 16 1″ 55 121
12″ 300 520. 5 50.8 381 450.9 31.8 16 1 1/8″ 82.5 182
14″ 350 584. 0 53.8 412.8 514..4 31.8 20 1 1/8″ 108 238
16″ 400 647. 5 57.2 469.9 571.5 35.1 20 1 1/4″ 139 306
18″ 450 711. 0 60.5 533.4 628.7 35.1 24 1 1/4″ 178 392
20″ 500 774. 5 63.5 584.2 685.8 35.1 24 1 1/4″ 228 503
24″ 600 914. 5 69.9 692.2 812.8 41.1 24 1 1/2″ 350 772

Note:
1) Blind Flanges may be made with the same hub as that used for Slip-on Flanges or without hub.

 

 

 


PETROMET FLANGE INC.

Contact Us

( *represents compulsory fields )

Tips on getting accurate quotes. Please include product name, order quantity, usage, special requests if any in your inquiry.