Catalogue 3 - STAUFF Flanges

40 www.stauff.com/3/en/#40 C Nominal Size PN 1 Dimensions Weight for Bolts Ordering Codes ( bar / PSI ) ( mm / in ) ( kg / lbs )ca. DN (in) 10.9 ØA D F G H I L M T (BSPP) ØK 3 per 100 Metric 3 UNC 13 1/2 350 13 16 47 57 17,5 38,1 36 15 1/2 8,7 27,6 M8x30 5/16–18 UNC x 1-1/4 BFX-301-G-W1 5075 .51 .63 1.85 2.24 .69 1.50 1.42 .59 .34 60.72 13 1/2 350 13 16 47 57 17,5 38,1 36 20 3/8 (06) 8,7 29,3 M8x30 5/16–18 UNC x 1-1/4 BFX-301-G06-W1 5075 .51 .63 1.85 2.24 .69 1.50 1.42 .79 .34 64.46 19 3/4 350 19 18 50 67 22,3 47,6 36 18 3/4 10,5 38,6 M10x35 3/8–16 UNC x 1-1/2 BFX-302-G-W1 5075 .75 .71 1.97 2.64 .88 1.87 1.42 .71 .41 84.92 19 3/4 350 13 18 50 67 22,3 47,6 36 15 1/2 (08) 10,5 40,3 M10x35 3/8–16 UNC x 1-1/2 BFX-302-G08-W1 5075 .51 .71 1.97 2.64 .88 1.87 1.42 .59 .41 88.66 25 1 320 25 18 54 72 26,2 52,4 38 20 1 10,5 45,4 M10x35 3/8–16 UNC x 1-1/2 BFX-303-G-W1 4641 .98 .71 2.13 2.83 1.03 2.06 1.50 .79 .41 99.88 25 1 320 19 18 54 72 26,2 52,4 38 18 3/4 (12) 10,5 54,0 M10x35 3/8–16 UNC x 1-1/2 BFX-303-G12-W1 4641 .75 .71 2.13 2.83 1.03 2.06 1.50 .71 .41 118.80 32 1-1/4 280 31 21 68 82 30,2 58,7 41 22 1-1/4 11,5 (13,5) 67,9 M10x40 (M12x40) 7/16–14 UNC x 1-1/2 BFX-304-G-W1 4061 1.22 .83 2.68 3.23 1.19 2.31 1.61 .87 .45 (.53) 149.38 32 1-1/4 280 25 21 68 82 30,2 58,7 41 20 1 (16) 11,5 (13,5) 85,5 M10x40 (M12x40) 7/16–14 UNC x 1-1/2 BFX-304-G16-W1 4061 .98 .83 2.68 3.23 1.19 2.31 1.61 .79 .45 (.53) 188.10 38 1-1/2 210 38 25 79 96 35,7 69,9 44 24 1-1/2 13,5 (14,5) 113,9 M12x45 (M14x45) 1/2–13 UNC x 1-3/4 BFX-305-G-W1 3045 1.50 .98 3.11 3.78 1.41 2.75 1.73 .94 .53 (.57) 250.58 38 1-1/2 210 31 25 79 96 35,7 69,9 44 22 1-1/4 (20) 13,5 (14,5) 119,7 M12x45 (M14x45) 1/2–13 UNC x 1-3/4 BFX-305-G20-W1 3045 1.22 .98 3.11 3.78 1.41 2.75 1.73 .87 .53 (.57) 263.34 51 2 210 50 25,5 88 102 42,9 77,8 45 26 2 13,5 (14,5) 120,4 M12x45 (M14x45) 1/2–13 UNC x 1-3/4 BFX-306-G-W1 3045 1.97 1.00 3.46 4.02 1.69 3.06 1.77 1.02 .53 (.57) 264.88 51 2 210 38 25,5 88 102 42,9 77,8 45 24 1-1/2 (24) 13,5 (14,5) 154,6 M12x45 (M14x45) 1/2–13 UNC x 1-3/4 BFX-306-G24-W1 3045 1.50 1.00 3.46 4.02 1.69 3.06 1.77 .94 .53 (.57) 340.12 64 2-1/2 175 63 26 101 115 50,8 88,9 50 30 2-1/2 13,5 (14,5) 154,5 M12x45 (M14x45) 1/2–13 UNC x 1-3/4 BFX-307-G-W1 2538 2.48 1.02 3.98 4.53 2.00 3.50 1.97 1.18 .53 (.57) 339.90 64 2-1/2 175 50 26 101 115 50,8 88,9 50 26 2 (32) 13,5 (14,5) 201,8 M12x45 (M14x45) 1/2–13 UNC x 1-3/4 BFX-307-G32-W1 2538 1.97 1.02 3.98 4.53 2.00 3.50 1.97 1.02 .53 (.57) 443.96 76 3 160 73 27,5 127 137 61,9 106,4 50 30 3 17 215,0 M16x50 5/8–11 UNC x 2 BFX-308-G-W1 2320 2.87 1.08 5.00 5.39 2.44 4.19 1.97 1.18 .67 473.00 76 3 160 63 27,5 127 137 61,9 106,4 50 30 2-1/2 (40) 17 257,2 M16x50 5/8–11 UNC x 2 BFX-308-G40-W1 2320 2.48 1.08 5.00 5.39 2.44 4.19 1.97 1.18 .67 565.84 89 3-1/2 35 89 27,5 138 155 69,8 120,7 50 30 3-1/2 17 247,2 M16x50 5/8–11 UNC x 2 BFX-309-G-W1 508 3.50 1.08 5.43 6.10 2.75 4.75 1.97 1.18 .67 543.84 102 4 35 99 27,5 147 163 77,8 130,2 50 30 4 17 292,5 M16x50 5/8–11 UNC x 2 BFX-310-G-W1 508 3.90 1.08 5.79 6.42 3.06 5.13 1.97 1.18 .67 643.50 127 5 35 120 28 180 184 92 152,4 50 30 5 17 365,0 M16x55 5/8–11 UNC x 2-1/4 BFX-311-G-W1 508 4.72 1.10 7.09 7.24 3.62 6.00 1.97 1.18 .67 803.00 SAE Single-Part Flange with Female BSPP Thread Type BFX-G § 3000 PSI Series 3000 PSI Standard Pressure Series (based on ISO 6162-1:2012) 1 The maximum working pressure PN (bar/PSI) applies only to the flange itself and depends on the bolts used (Grade 10.9). The actual maximum working pressure de- pends on the thickness and the quality of the tube used. 3 Alternative options shown in brackets are available on request. Bolt L M D ØK H F I G ØA T Catalogue 3 § Edition 11/2023 SAE Single-Part Flanges / Counterflanges Materials / Ordering Options / Examples * SAE Single-Part Flange (without O-ring) made of Steel S355J2 or equivalent, blank (oiled) BFX-...-G-W1 * SAE Single-Part Flange (without O-ring) made of Stainless Steel V4A – 1.4404 (on request) BFX-...-G-W5 * Size of connection thread deviating from the standard (e.g. 1-1/4 BSPP) BFX-...-G20-W1 * Kit including Metric bolts 10.9, spring rings, O-ring made of NBR (Buna-N®) BFX-...-G-W1-K * Kit including Metric bolts 10.9, spring rings, O-ring made of FKM (Viton®) BFX-...-G-V-W1-K * Kit including UNC bolts (Grade 8), spring rings, O-ring made of NBR (Buna-N®) BFX-...-G-U-W1-K Please see Page 89 for separate Bolt Sets and Sealings.