Dimension 330 ISO U1 Union, Flat Seat ● ● ● ● ● ● 374 >G< ● ● 372 a z1 s1 s2 s3 42 22 19 28 10 47 27 22 32 12 48 22 26 39 26 52 22 31 48 31 59 25 38 55 38 65 27 48 67 48 70 32 54 74 54 80 32 66 90 67 85 31 85 111 85 96 36 96 131 96 111 39 120 151 122 b z2 s1 s2 s3 45 19 28 15 48 22 32 19 53 26 39 25 57 31 48 32 63 38 55 39 71 48 67 48 76 54 74 54 83 66 90 66 91 85 111 85 101 96 131 95 374 >G< ● ● 370 Code ● ● ● ● ● ● ● ● ● ● S V S V S V S V S V S V S V S V S V S V S V /4 1 /4 3 /8 3 /8 1 /2 1 /2 3 /4 3 /4 1 1 1 1 1/ 4 1 1/ 4 1 1/ 2 1 1/ 2 2 2 2 1/ 2 2 1/ 2 3 3 4 4 /8 /8 3 /4 3 /4 1 1 1 1/ 4 1 1/ 4 1 1/ 2 1 1/ 2 2 2 2 1/ 4 2 1/ 4 2 3/ 4 2 3/ 4 3 1/ 2 3 1/ 2 4 4 5 5 5 5 770 330 102 770 330 202 770 330 103 770 330 203 770 330 104 770 330 204 770 330 105 770 330 205 770 330 106 770 330 206 770 330 107 770 330 207 770 330 108 770 330 208 770 330 109 770 330 209 770 330 110 770 330 210 770 330 111 770 330 211 770 330 112 770 330 212 supplied without sealing gaskets a and z 1 include the seal thickness as per table page 81 Dimension 331 ISO U2 Union Flat seat 374 >G< ● ● ● ● ● 370 ● 374 >G< ● ● ● 371 Code ● ● ● ● ● ● ● S V S V S V S V S V S V S V S V S V S V /4 1 /4 3 /8 3 /8 1 /2 1 /2 3 /4 3 /4 1 1 1 1 1/ 4 1 1/ 4 1 1/ 2 1 1/ 2 2 2 2 1/ 2 2 1/ 2 3 3 /8 /8 3 /4 3 /4 1 1 1 1/ 4 1 1/ 4 1 1/ 2 1 1/ 2 2 2 2 1/ 4 2 1/ 4 2 3/ 4 2 3/ 4 3 1/ 2 3 1/ 2 4 4 5 5 770 331 102 55 770 331 202 770 331 103 58 770 331 203 770 331 104 66 770 331 204 770 331 105 72 770 331 205 770 331 106 80 770 331 206 770 331 107 90 770 331 207 770 331 108 95 770 331 208 770 331 109 107 770 331 209 770 331 110 118 770 331 210 770 331 111 131 770 331 211 supplied without sealing gaskets b and z 2 include the seal thickness as per table page 81 48 GEORGE FISCHER … Dimension 332 Code a b z s1 s2 D 11 35 22 26 39 30 12 39 24 31 48 36 14 42 25 38 55 43 16 50 31 48 67 53 17 52 33 54 74 60 19 57 33 67 90 73 a b c z s1 s2 s3 Rp/G 374 >G< Union Flat seat 373 >G< 374 >G< 372 S V S V S V S V S V S /2 /2 3 /4 3 /4 1 1 1 1 1 1/ 4 1 1/ 4 1 1/ 2 1 1/ 2 2 1 ▲ 1 ▲ 1 1/ 4 1 1/ 4 1 1/ 2 1 1/ 2 2 2 2 1/ 4 ▲ 2 1/ 4 ▲ 2 3/ 4 ▲ 770 332 104 770 332 204 770 332 105 770 332 205 770 332 106 770 332 206 770 332 107 770 332 207 770 332 108 770 332 208 770 332 109 supplied without sealing gaskets a and z include the seal thickness as per table page 81 Dimension 335 Union Flat seat Code 374 >G< 376 374 >G< 372 S V S V S V S V S V /2 1 /2 3 /4 3 /4 1 1 1 1 1/ 4 1 1/ 4 1 1/ 2 1 1/ 2 1 1 1 1/ 4 1 1/ 4 1 1/ 2 1 1/ 2 2 2 2 1/ 4 2 1/ 4 770 335 104 770 335 204 770 335 105 770 335 205 770 335 106 770 335 206 770 335 107 770 335 207 770 335 108 770 335 208 43 21 66 8 26 39 26 48 22 72 7 32 48 31 54 26 82 9 38 55 38 57 31 90 12 48 67 48 61 32 95 13 54 74 54 supplied without sealing gaskets c includes the seal thickness as per table page 81 GEORGE FISCHER … 49 Dimension 336 Code a b 43 40 48 c s1 s2 s3 85 26 39 25 42 92 32 48 32 54 47 103 38 55 39 57 55 114 48 67 48 61 57 120 54 74 54 a b b1 b2 z s1 s2 153 146 141 74 67 59 7 9 12 31 38 48 48 55 67 374 >G< Union Flat seat 376 374 >G< 371 S V S V S V S V S V /2 1 /2 3 /4 3 /4 1 1 1 1 1/ 4 1 1/ 4 1 1/ 2 1 1/ 2 1 1 1 1/ 4 1 1/ 4 1 1/ 2 1 1/ 2 2 2 2 1/ 4 2 1/ 4 770 336 104 770 336 204 770 336 105 770 336 205 770 336 106 770 336 206 770 336 107 770 336 207 770 336 108 770 336 208 supplied without sealing gaskets c includes the seal thickness as per table page 81 Dimension 338 Code 374 >G< Distribution union Flat seat V /4 V 1 V 1 1/ 4 3 1 1/ 4 1 1/ 2 2 770 338 220 770 338 221 770 338 222 22 177 26 174 31 174 372 374 >G< 378 Rp 1/ 2 supplied without sealing gaskets b includes the seal thickness as per table page 81 50 GEORGE FISCHER … Dimension 340 ISO U11 Union taper seat ● ● ● ● ● ● ● 374 >G< 381 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● GEORGE FISCHER … a z1 s1 s2 s3 770 340 101 770 340 201 770 340 102 770 340 202 770 340 103 770 340 203 770 340 104 770 340 204 770 340 105 770 340 205 770 340 106 770 340 206 770 340 107 770 340 207 770 340 108 770 340 208 770 340 109 770 340 209 770 340 110 770 340 210 770 340 111 770 340 211 770 340 112 770 340 212 38 24 15 26 15 42 22 19 28 10 48 28 22 32 12 48 22 26 39 25 52 22 31 48 32 58 24 38 55 38 65 27 48 67 48 70 32 53 74 54 78 30 65 90 66 90 36 85 111 85 101 41 96 131 96 114 42 120 151 120 374 >G< ● 380 Code S V S V S V S V S V S V S V S V S V S V S V S V /8 /8 1 /4 1 /4 3 /8 3 /8 1 /2 1 /2 3 /4 3 /4 1 1 1 1 1 1/ 4 1 1/ 4 1 1/ 2 1 1/ 2 2 2 2 1/ 2 2 1/ 2 3 3 4 4 /2 /2 5 /8 5 /8 3 /4 3 /4 1 1 1 1/ 4 1 1/ 4 1 1/ 2 1 1/ 2 2 2 2 1/ 4 2 1/ 4 2 3/ 4 2 3/ 4 3 1/ 2 3 1/ 2 4 4 5 5 1 1 51 Dimension 341 ISO U12 Union taper seat ● ● ● ● ● ● 374 >G< 382 ● ● ● ● ● ● ● ● ● ● ● ● ● S V S V S V S V S V S V S V S V S V S V S V /4 1 /4 3 /8 3 /8 1 /2 1 /2 3 /4 3 /4 1 1 1 1 1/ 4 1 1/ 4 1 1/ 2 1 1/ 2 2 2 2 1/ 2 2 1/ 2 3 3 4 4 /8 /8 3 /4 3 /4 1 1 1 1/ 4 1 1/ 4 1 1/ 2 1 1/ 2 2 2 2 1/ 4 2 1/ 4 2 3/ 4 2 3/ 4 3 1/ 2 3 1/ 2 4 4 5 5 5 5 Dimension 344 z2 55 45 59 s1 s2 s3 770 341 102 770 341 202 770 341 103 770 341 203 770 341 104 770 341 204 770 341 105 770 341 205 770 341 106 770 341 206 770 341 107 770 341 207 770 341 108 770 341 208 770 341 109 770 341 209 770 341 110 770 341 210 770 341 111 770 341 211 770 341 112 770 341 212 19 28 15 49 22 32 20 66 53 26 39 25 72 57 31 48 32 80 63 38 55 38 90 71 48 67 48 96 77 53 74 54 106 82 65 90 67 122 95 85 111 85 134 104 96 131 95 153 117 120 151 120 Code s1 s2 s3 b 374 >G< Union taper seat 383 374 >G< 382 52 b 374 >G< ● 380 Code S V S V S V S V S V S V S V S V /4 1 /4 3 /8 3 /8 1 /2 1 /2 3 /4 3 /4 1 1 1 1 1/ 4 1 1/ 4 1 1/ 2 1 1/ 2 2 2 /8 /8 3 /4 3 /4 1 1 1 1/ 4 1 1/ 4 1 1/ 2 1 1/ 2 2 2 2 1/ 4 2 1/ 4 2 3/ 4 2 3/ 4 5 5 770 344 102 770 344 202 770 344 103 770 344 203 770 344 104 770 344 204 770 344 105 770 344 205 770 344 106 770 344 206 770 344 107 770 344 207 770 344 108 770 344 208 770 344 109 770 344 209 69 18 28 15 75 22 32 20 85 26 39 25 93 32 48 32 103 38 55 38 114 48 67 48 123 54 74 54 136 66 90 67 GEORGE FISCHER … Dimension Code 370 Rp G Union bush 1 /4 /4 3 /8 3 /8 1 /2 1 /2 1 /2 1 /2 3 /4 3 /4 /8 /8 3 /4 3 /4 1 1 1 1/ 8 1 1/ 8 1 1/ 4 1 1/ 4 1 1/ 2 1 1/ 2 2 2 2 1/ 4 2 1/ 4 2 3/ 4 2 3/ 4 3 1/ 2 3 1/ 2 4 4 5 5 S V S V Rp S V G ... B S V S V S V S V S V S V S V S V * is not usually supplied S as a seperate piece V 5 1 5 s s 1 1 1 1/ 4 1 1/ 4 1 1/ 2 1 1/ 2 2 2 2 1/ 2 2 1/ 2 3 3 4 4 Dimension 371 D R S V S V S V S V S V S V S V S V S V S V Code R D to G of 374 /4 /4 3 /8 3 /8 1 /2 1 /2 3 /4 3 /4 /8 /8 3 /4 3 /4 1 1 1 1/ 4 1 1/ 4 1 1/ 2 1 1/ 2 2 2 2 1/ 4 2 1/ 4 2 3/ 4 2 3/ 4 3 1/ 2 3 1/ 2 4 4 Union end 5 1 5 1 1 1 1 1/ 4 1 1/ 4 1 1/ 2 1 1/ 2 2 2 2 1/ 2 2 1/ 2 3 3 * * * * 770 370 119 770 370 219 770 370 120 770 370 220 770 370 105 770 370 205 770 370 106 770 370 206 770 370 107 770 370 207 770 370 108 770 370 208 770 370 109 770 370 209 770 370 110 770 370 210 770 370 111 770 370 211 * * * * * * 770 371 104 770 371 204 770 371 105 770 371 205 770 371 106 770 371 206 770 371 107 770 371 207 770 371 108 770 371 208 770 371 109 770 371 209 770 371 110 770 371 210 770 371 111 770 371 211 a z s 21 11 19 23 13 22 25 12 26 25 12 26 28 13 32 31 14 38 33 14 48 36 17 54 42 18 66 41 14 85 48 18 96 62 26 122 a d s 32 18,1 15 34 21,6 19 40 27,1 25 42 35,5 32 47 41 39 55 52,5 48 57 58,5 54 62 73,5 66 75 91,9 85 80 104,4 95 47 41 39 R S 1 - 1 / 4** 1 1 1/ 2 770 371 115 hexagon hexagon hexagon hexagon hexagon hexagon hexagon hexagon hexagon hexagon hexagon hexagon hexagon hexagon hexagon hexagon hexagon hexagon octagon octagon octagon octagon octagon octagon hexagon hexagon octagon octagon octagon octagon hexagon hexagon hexagon hexagon hexagon hexagon hexagon hexagon hexagon hexagon octagon octagon octagon octagon round * is not usually supplied as a separate piece ** Union end for 374 1" d = 42.5 GEORGE FISCHER … 53 Dimension 372 Union end Code S equal V S V Rp S V S V S V S V S V S V S I 6-K. = Internal hexagon V S V S V * is not usually supplied as S a separate piece V d z 19 18,1 9 10 22 21,6 12 12 22 27,1 9 26 22 31,5 9 26 22 35,5 7 31 26 41 9 38 31 52,5 12 48 32,5 58,5 13,5 54 35 73,5 11 67 39 91,9 12 85 45 104,4 15 96 46 128,7 10 122 25 41 10 31 30 52,5 15 32 30,5 52,5 13,5 38 31 58,5 12 48 a b 23 27 10 12 29 14 33 16 s D to G of 374 Rp D a /4 /4 3 /8 3 /8 1 /2 1 /2 1 /2 s 1 /2 s 3 /4 3 /4 /8 /8 3 /4 3 /4 1 1 1 1/ 8 1 1/ 8 1 1/ 4 1 1/ 4 1 1/ 2 1 1/ 2 2 2 2 1/ 4 2 1/ 4 2 3/ 4 2 3/ 4 3 1/ 2 3 1/ 2 4 4 5 5 1 5 1 5 1 1 1 1/ 4 1 1/ 4 1 1/ 2 1 1/ 2 2 2 2 1/ 2 2 1/ 2 3 3 4 4 * * * * 770 372 119 770 372 219 770 372 104 770 372 204 770 372 105 770 372 205 770 372 106 770 372 206 770 372 107 770 372 207 770 372 108 770 372 208 770 372 109 770 372 209 770 372 110 770 372 210 770 372 111 770 372 211 * * Rp D to G of 374 S reducing V S V S V S V - 3/ 4 - 3/ 4 - 3/ 4 - 3/ 4 -1 -1 - 1 1/ 4 - 1 1/ 4 1 1/ 2 1 1/ 2 2 2 2 2 2 1/ 4 2 1/ 4 Dimension 373 G1 Union bush G 1 ... B G 2 ... B * 54 1 1 1 1/ 4 1 1/ 4 1 1/ 4 1 1/ 4 1 1/ 2 1 1/ 2 V S V S V S V /2 /4 3 /4 1 3 1 1 1 1/ 4 1 1/ 4 770 372 115 770 372 215 770 372 133 770 372 233 770 372 116 770 372 216 770 372 134 770 372 234 Code I I I I hex hex hex hex octagon octagon hexagon hexagon hexagon hexagon hexagon hexagon hexagon hexagon hexagon hexagon hexagon hexagon octagon octagon octagon octagon octagon octagon hexagon hexagon hexagon hexagon hexagon hexagon hexagon hexagon G2 1 ▲ 770 373 204 1 1/ 4 770 373 105 1 1/ 4 770 373 205 1 1/ 2 770 373 106 1 1/ 2 770 373 206 2 770 373 107 2 770 373 207 *sealing gaskets for this sealing surface as per table page 81 (catalogue no. 332, symbol ❍) GEORGE FISCHER … Dimension 374 ISO Code P1 S 1/ 8 V 1/ 8 s S 1/ 4 s V 1/ 4 G S 1/ 4 V 1/ 4 d S 3/ 8 V 3/ 8 s S 3/ 8 3 s V /8 1 S /2 V 1/ 2 s S 1/ 2 1 s V /2 3 S /4 V 3/ 4 S 3/ 4 d=34,4 s S 1 s V 1 S 1 S 1 d=42,5 ** S 1 1/ 4 V 1 1/ 4 S 1 1/ 2 V 1 1/ 2 S 2 V 2 S 2 1/ 2 V 2 1/ 2 * is not routinely supplied as a piece part S 3 V 3 ** union nut S 4 1 for 371 1-1 / 4" V 4 Dimension /2 /2 5 /8 5 /8 3 /4 3 /4 3 /4 3 /4 7 /8 7 /8 1 1 1 1/ 8 1 1/ 8 1 1/ 4 1 1/ 4 1 1/ 4 1 1/ 2 1 1/ 2 1 1/ 2 1 1/ 2 2 2 2 1/ 4 2 1/ 4 2 3/ 4 2 3/ 4 3 1/ 2 3 1/ 2 4 4 5 5 1 1 Union bush GEORGE FISCHER … S V S V S V S V S V S V R G /2 /2 1 /2 1 /2 3 /4 3 /4 1 1 1 1/ 8 1 1/ 8 1 1/ 4 1 1/ 4 1 1/ 2 1 1/ 2 2 2 2 1/ 4 2 1/ 4 1 1 1 1 1 1/ 4 1 1/ 4 1 1/ 2 1 1/ 2 s s * * * * 770 374 116 770 374 216 770 374 116 770 374 216 770 374 118 770 374 218 770 374 119 770 374 219 770 374 120 770 374 220 770 374 105 770 374 205 770 374 135 770 374 106 770 374 206 770 960 180 770 374 121 770 374 107 770 374 207 770 374 108 770 374 208 770 374 109 770 374 209 770 374 110 770 374 210 770 374 111 770 374 211 * * Code 376 G ... B d 15 16,1 26 16 18,5 28 15,5 22 32 16 22 32 17 25 36 18 27,5 39 19 32 44 20 36 48 20 22 34,4 41,5 48 55 22 22 24 41,5 42,5 53 55 55 67 25 59 74 27 74 90 30 92,5 111 31 105 131 34,5 129,5 151 s G Union nut R a 770 376 105 770 376 205 770 376 125 770 376 225 770 376 106 770 376 206 770 376 107 770 376 207 770 376 108 770 376 208 770 376 109 770 376 209 a s 43 26 41,5 26 48 32 53,5 38 56,5 48 61 54 hexagon hexagon hexagon hexagon hexagon hexagon hexagon hexagon hexagon hexagon hexagon hexagon hexagon hexagon hexagon hexagon hexagon hexagon hexagon octagon hexagon hexagon hexagon hexagon hexagon hexagon hexagon octagon octagon octagon octagon octagon octagon hexagon hexagon hexagon hexagon hexagon hexagon hexagon hexagon hexagon hexagon hexagon hexagon 55 Dimension 378 Code R Distribution union bush a b 153 146 141 74 67 59 G V /4 V1 V 1 1/ 4 3 1 1/ 4 1 1/ 2 2 770 378 220 770 378 221 770 378 222 G ... B Rp 1/ 2 R Dimension 380 Union bush taper seat Rp Rp G ... B S V S V S V S V S V S V S V S V S V S V S V S V /8 /8 1 /4 1 /4 3 /8 3 /8 1 /2 1 /2 3 /4 3 /4 1 1 1 1 1 1/ 4 1 1/ 4 1 1/ 2 1 1/ 2 2 2 2 1/ 2 2 1/ 2 3 3 4 4 Code a z s 19 12 15 21 11 19 23 13 22 24 11 26 28 13 32 31 14 38 33 14 48 36 17 53 42 18 65 41 14 85 48 18 96 62 26 120 G /2 /2 5 /8 5 /8 3 /4 3 /4 1 1 1 1/ 4 1 1/ 4 1 1/ 2 1 1/ 2 2 2 2 1/ 4 2 1/ 4 2 3/ 4 2 3/ 4 3 1/ 2 3 1/ 2 4 4 5 5 1 1 * * * * * * * * * * * * * * * * * * * * * * * * hexagon hexagon hexagon hexagon hexagon hexagon hexagon hexagon hexagon hexagon hexagon hexagon hexagon hexagon hexagon hexagon hexagon hexagon octagon octagon octagon octagon octagon octagon * is not usually supplied as a separate piece 56 GEORGE FISCHER … Dimension 381 Rp D to G of 374 /8 /8 1 /4 1 /4 3 /8 3 /8 1 /2 1 /2 3 /4 3 /4 /2 /2 5 /8 5 /8 3 /4 3 /4 1 1 1 1/ 4 1 1/ 4 1 1/ 2 1 1/ 2 2 2 2 1/ 4 2 1/ 4 2 3/ 4 2 3/ 4 3 1/ 2 3 1/ 2 4 4 5 5 Union end taper seat S V S V S V Rp S V S V S V S V S V S V S V S V S * is not usually supplied as V D Code 1 1 1 1 1 1/ 4 1 1/ 4 1 1/ 2 1 1/ 2 2 2 2 1/ 2 2 1/ 2 3 3 4 4 1 1 * * * * * * * * * * * * * * * * * * * * * * * * z s a b 17,5 6,5 15,8 10,5 15 20,5 6 18,1 10,5 10 22 6,5 21,6 12 12 22,5 7,5 27,1 9,5 25 22,5 8 35,5 6,5 32 25,5 8,5 41 8,5 38 31 9 52,5 12 48 33 9,5 58,5 14 54 34,5 11,5 73,5 10,5 66 42,5 13,5 91,9 15,5 85 45,5 14,5 104,4 15,5 96 d 46,5 15,5 128,7 10,5 120 I I I I hexagon hexagon hexagon hexagon hexagon hexagon octagon octagon hexagon hexagon hexagon hexagon hexagon hexagon hexagon hexagon hexagon hexagon octagon octagon octagon octagon octagon octagon a seperate piece Dimension 382 Union end Taper seat D R S V S V S V S V S V S V S V S V S V S V S V Code R D to G of 374 /4 /4 3 /8 3 /8 1 /2 1 /2 3 /4 3 /4 /8 /8 3 /4 3 /4 1 1 1 1/ 4 1 1/ 4 1 1/ 2 1 1/ 2 2 2 2 1/ 4 2 1/ 4 2 3/ 4 2 3/ 4 3 1/ 2 3 1/ 2 4 4 5 5 1 1 1 1 1 1/ 4 1 1/ 4 1 1/ 2 1 1/ 2 2 2 2 1/ 2 2 1/ 2 3 3 4 4 5 5 * * * * * * * * * * * * * * * * * * * * * * a b d s 32 6 18,1 15 34 6,5 21,6 19 40,5 7,5 27,1 25 42,5 8 35,5 32 47,5 8,5 41 38 56 9 52,5 48 58 9,5 58,5 54 62,5 11,5 73,5 67 75,5 13,5 91,9 85 80,5 14,5 104,4 95 87 15,5 128,7 120 hexagon hexagon octagon octagon octagon octagon hexagon hexagon hexagon hexagon hexagon hexagon hexagon hexagon hexagon hexagon octagon octagon octagon octagon hexagon hexagon * is not usually supplied as a separate piece GEORGE FISCHER … 57