Blind Flanges / BLRF Flanges


Blind Flanges / BLRF Flanges
Blind Flanges (ss Blind Flanges) are used to seal the end of a piping system or pressure vessel openings to prevent flow. Blind pipe flange are also used for high pressure applications. It is used to gain easy access to the interior of a line or vessel once it has been sealed. The Blind Flange reduction can be either threaded or welded.
Stainless Steel Blind Flanges:ASTM A 182, A 240 F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H,904L
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
Alloy Steel Blind Flanges:ASTM / ASME A/SA 182 & A 387 F1, F5, F9, F11, F12, F22, F91
Duplex Steel Blind Flanges:ASTM / ASME A/SA 182 F 44, F 45, F51, F 53, F 55, F 60, F 61, 2205 (UNS No. S31803), 2507 (UNS No. S32750)
Nickel Alloy Blind Flanges:Nickel 200 (UNS No. N02200), Nickel 201 (UNS No. N02201), Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500), Inconel 800 (UNS No. N08800), Inconel 825 (UNS No. N08825), Inconel 600 (UNS No. N06600), Inconel 625 (UNS No. N06625), Inconel 601 (UNS No. N06601), Hastelloy C 276 (UNS No. N10276), Alloy 20 (UNS No. N08020), Titanium (Grade I & II)
Copper Alloy Blind Flanges:UNS No. C 10100, 10200, 10300, 10800, 12000, 12200, 70600, 71500, UNS No. C 70600 (Cu -Ni- 90/10), C 71500 (Cu -Ni- 70/30)
In Form:SORF, WNRF, BLRF, SWRF, LAP Joint, Threaded, Reducing, Spectacle, 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.
Type of Flanges:Weld Neck Flanges - WNRF, Socket Weld Flanges - SWRF, Slip On Raise Face - SORF, Blind Raise Face - BLRF, Spectacle Blind, Ring Joint, Large Dia Flanges, Orifice Flanges, Girth Flange, Lap Joint Flanges, Screwed (Threaded) Flanges, Long Weld Neck Flanges, Reducing.
Size:½" (15 NB) to 48" (1200NB)
Class:150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS, DIN Standard ND-6,10, 16, 25, 40 Etc.
Material:Grade




Hitesh Mehta
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Socket Weld Flanges / SWRF Flanges




Socket Weld Flanges are used only for high pressure and temperature applications upto diameters of 1 ½” only. This creates a smooth bore with the proper welding and grinding. Socket Weld Flanges were initially developed for use on smaller sizes of pipe at higher pressure ratings.
SWRF Flanges
Stainless Steel Socket Weld Flanges:ASTM A 182, A 240 F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H,904L
Carbon Steel Socket Weld 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
Alloy Steel Socket Weld Flanges:ASTM / ASME A/SA 182 & A 387 F1, F5, F9, F11, F12, F22, F91
Duplex Steel Socket Weld Flanges:ASTM / ASME A/SA 182 F 44, F 45, F51, F 53, F 55, F 60, F 61
In Form:SORF, WNRF, BLRF, SWRF, LAP Joint, Threaded, Reducing, Spectacle, etc
Specialize:As per drawing
Standard:ANSI : ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48
DIN :  DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636, DIN2637, DIN2638, DIN2673
B.S : BS4504 , BS4504, BS1560, BS10
Type of Flanges:Weld Neck Flanges - WNRF, Socket Weld Flanges - SWRF, Slip On Raise Face - SORF, Blind Raise Face - BLRF, Spectacle Blind, Ring Joint, Large Dia Flanges, Orifice Flanges, Girth Flange, Lap Joint Flanges, Screwed (Threaded) Flanges, Long Weld Neck Flanges, Reducing.
Size:½" (15 NB) to 48" (1200NB)
Class:150#, 300#,400 #,600#,900#, 1500# & 2500 #
Material:Grade
150 Lbs
Drilling
Nominal Bore Dia.
(D)		Thick.
(E)		Dia.
(F)		Dia.
(B)		Dia.
(A)		Height1
(H)		NbrHolesDia.
(C)
1/2"
90
11.2
35.05
30
22.2
14
4
15.87
60.3
3/4"
100
12.7
42.92
38
27.7
14
4
15.87
69.9
1"
110
14.3
50.80
49
34.5
16
4
15.87
79.4
1 1/4"
115
15.9
63.50
59
43.2
19
4
15.87
88.9
1 1/2"
125
17.5
73.15
65
49.5
21
4
15.87
98.4
2"
150
19.1
91.94
78
61.9
24
4
19.05
120.7
2 1/2"
180
22.3
104.65
90
74.6
27
4
19.05
139.7
3"
190
23.9
127.00
108
90.7
29
4
19.05
152.4
1,6mm raised face not included in the E & H dimensions
300 Lbs
Drilling
Nominal Bore Dia.
(D)		Thick.
(E)		Dia.
(F)		Dia.
(B)		Dia.
(A)		Height1
(H)		NbrHolesDia.
(C)
1/2"
95
12.7
35.05
38
22.2
21
4
15.87
66.7
3/4"
115
14.3
42.92
48
27.7
24
4
19.05
82.6
1"
125
15.9
50.80
54
34.5
25
4
19.05
88.9
1 1/4"
135
17.5
63.50
64
43.2
25
4
19.05
98.4
1 1/2"
155
19.1
73.15
70
49.5
29
4
22.22
114.3
2"
165
20.7
91.94
84
61.9
32
8
19.05
127.0
2 1/2"
190
23.9
104.65
100
74.6
37
8
22.22
149.2
3"
210
27.0
127.00
117
90.7
41
8
22.22
168.3
1,6mm raised face not included in the E & H dimensions
600 Lbs
Drilling
Nominal Bore>Dia.
(D)		Thick.
(E)		Dia.
(F)		Dia.
(B)		Dia.
(A)		Height1
(H)		NbrHolesDia.
(C)
1/2"
95
14.3
35.05
38
22.2
22
4
15.87
66.7
3/4"
115
15.9
42.92
48
27.7
25
4
19.05
82.6
1"
125
17.5
50.80
54
34.5
27
4
19.05
88.9
1 1/4"
135
20.7
63.50
64
43.2
29
4
19.05
98.4
1 1/2"
155
22.3
73.15
70
49.5
32
4
22.22
114.3
2"
165
25.4
91.94
84
61.9
37
8
19.05
127.0
2 1/2"
190
28.6
104.65
100
74.6
41
8
22.22
149.2
3"
210
31.8
127.00
117
90.7
46
8
22.22
168.3
6,4 raised face not included in the E & H dimensions

Hitesh Mehta
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Slip On Flanges / SORF Flanges


Slip On Flanges / SORF Flanges
High quality Slip on Flanges are ideal for lower pressure applications. Welding reduces fabrication costs of these pipes. These are available in wide variety of sizes and applications.Slip-on flanges are a popular type of pipe flanges. These flanges are typically provided with a raised or flat face. The flange bolt holes are aligned and the flange face squared to the pipe. Slip on Flange available in sizes from 1/4” through to any size.
Stainless Steel Slip on Flanges:ASTM A 182, A 240 F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H,904L
Carbon Steel Slip on 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
Alloy Steel Slip on Flanges:ASTM / ASME A/SA 182 & A 387 F1, F5, F9, F11, F12, F22, F91  
Duplex Steel Slip on Flanges:ASTM / ASME A/SA 182 F 44, F 45, F51, F 53, F 55, F 60, F 61  
In Form:SORF, WNRF, BLRF, SWRF, LAP Joint, Threaded, Reducing, Spectacle, etc
Specialize:As per drawing 
Connection Type:Ring Type Joint, Lap-Joint Face, Raised Face, Flat Face, Large Male-Female, Small Male-Female, Large Tongue & Groove, Small Tongue & Groove 
Standard:ANSI B16.5, ANSI B16.47, ANSI B16.36, ANSI B16.48, BS 4504, EN1092, UNI 2277/2278, DIN
Type of Flanges:Weld Neck Flanges - WNRF, Socket Weld Flanges - SWRF, Slip On Raise Face - SORF
Blind Raise Face - BLRF, Spectacle Blind, Ring Joint, Large Dia Flanges, Orifice Flanges, Girth Flange, Lap Joint Flanges, Screwed (Threaded) Flanges, Long Weld Neck Flanges, Reducing.
Size:½" (15 NB) to 48" (1200NB)
Class:150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS, DIN Standard ND-6,10, 16, 25, 40 Etc.  
Material:Grade


150 Lbs
Drilling
Nominal BoreDia.
(D)		Thick.
(E)		Dia.
(F)		Dia.
(B)		Dia.
(A)		Height1
(H)		NbrHolesDia.
(C)
1/2"909.635.053022.214415.8760.3
3/4"10011.242.933827.714415.8769.9
1"11012.750.804934.516415.8779.4
1 1/4"11514.363.505943.219415.8788.9
1 1/2"12515.973.156549.521415.8798.4
2"15017.591.957861.924419.05120.7
2 1/2"18020.7104.659074.627419.05139.7
3"19022.3127.0010890.729419.05152.4
3 1/2"21522.3 139.70122103.430819.05177.8
4"23022.3157.22135116.132819.05190.5
5"25522.3185.67164143.835822.22215.9
6"28023.9215.90192170.738822.22241.3
8"34527.0269.75246221.543822.22298.5
10"40528.6323.85305276.2481225.40362.0
12"48530.2381.00365327.0541225.40431.8
14"53533.4412.75400359.2561228.57476.3
16"59535.0469.90457410.5621628.57539.8
18"63538.1533.40505461.8671631.75577.9
20"70041.3584.20559513.1712031.75635.0
24"81546.1692.15663616.0812034.92749.3
1,6mm raised face not included in the E & H dimensions
300 Lbs
Nominal BoreDia.
(D)		Thick.
(E)		Dia.
(F)		Dia.
(B)		Dia.
(A)		Height1
(H)		NbrHolesDia.
(C)
1/2"21.312.735.053822.221415.8766.7
3/4"26.714.342.934827.724419.0582.6
1"33.415.950.805434.525419.0588.9
1 1/4"42.217.563.506443.225419.0598.4
1 1/2"48.319.173.157049.529422.22114.3
2"60.320.791.958461.932819.05127.0
2 1/2"73.023.9104.6510074.637822.22149.2
3"88.927.0127.0011790.741822.22168.3
3 1/2"101.628.6139.70133103.443822.22184.2
4"114.330.2157.22146116.146822.22200.0
5"141.333.4185.67178143.849822.22235.0
6"168.335.0215.90206170.7511222.22269.9
8"219.139.7269.75260221.5601225.40330.2
10"273.046.1323.85321276.2651628.57387.4
12"323.849.3381.00375327.0711631.75450.8
14"355.652.4412.75425359.2752031.75514.4
16"406.455.6469.90483410.5812034.92571.5
18"457.058.8533.40533461.8872434.92628.6
20"508.062.0584.2td>587513.1942434.92685.8
24"610.068.3692.15702616.01052441.27812.8
1,6mm raised face not included in the E & H dimensions
600 Lbs
Drilling
Nominal BoreDia.
(D)		Thick.
(E)		Dia.
(F)		Dia.
(B)		Dia.
(A)		Height1
(H)		NbrHolesDia.
(C)
1/2"21.314.335.053822.222415.8766.7
3/4"26.715.942.934827.725419.0582.6
1"33.417.550.805434.527419.0588.9
1 1/4"42.220.763.506443.229419.0598.4
1 1/2"48.322.373.157049.532422.22114.3
2"60.325.491.958461.937819.05127.0
2 1/2"73.028.6104.6510074.641822.22149.2
3"88.931.8127.0011790.746822.22168.3
3 1/2"101.635.0139.70133103.449825.40184.2
4"114.338.1157.22152116.154825.40215.9
5"141.344.5185.67189143.860828.57266.7
6"168.347.7215.90222170.7671228.57292.1
 8"219.155.6269.75273221.5761231.75349.2
 10"273.063.5325.85343276.2861634.92431.8
 12"323.866.7381.00400327.0922034.92489.0
 14"355.669.9412.75432359.2942038.10527.0
 16"406.476.2469.90495410.51062041.27603.2
 18"457.082.6533.40546461.81172044.45654.0
 20"508.088.9584.20610513.11272444.45723.9
 24"610.0101.6692.15718616.01402450.80838.2
6,4 raised face not included in the E & H dimensions

Hitesh Mehta
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