Habemus apparatum productionis modernissimum, machinatores operariosque peritos et idoneos, systemata manubriorum probata et summae qualitatis, necnon peritum gregem venditionum amicum et peritum, qui auxilium ante et post venditionem offert ad iuncturas tuborum Sinenses professionales Sinenses Unf/ISO/SAE cum iunctura aenea femellina cum cubito ad pressionem. Turmam peritam pro commercio internationali habemus. Quaestionem quam habes solvemus. Merces quas desideras praebere possumus. Libenter nobiscum communicare potes.
Habemus apparatum productionis modernissimum, machinatores et operarios peritos et idoneos, systemata manubrii probata summae qualitatis, necnon turmam venditionum peritorum benignam ante et post venditionem.Fitting Tubi Sinensis, CopulatioMercibus optimae classis, servitio optimo, traditione celerrima et pretio optimo, laudes maximas apud clientes externos adepti sumus. Merces nostrae in Africam, Orientem Medium, Asiam Meridionalem et alias regiones exportatae sunt.
Tianjin Youfa Societas Commercii Internationalis, Ltd.
Coniunctio sulcata chalybis carbonis
Latin: ANSI B36.10, JIS B2302, ASME/ANSI/BS1560/DIN2616 etc.
Gradus chalybis: GRA.A GR.B
Superficies: Rubro picta vel caeruleo picta vel argento picta
CRUX MECHANICA (SULCATA)

| MAGNITUDO NORMALIS (mm/in) | DIAMETER EXTERIOR (mm) |
| 100x50 (4x2) | 114.3x60.3 |
| 100x65 (4x2-1/2) | 114.3x73 |
| 100x65 (4x2-1/2) | 114.3 x 76.1 |
| 100x80 (4x3) | 114.3 × 88.9 |
| 125x65 (5x2-1/2) | 139.7 × 76.1 |
| 125x80 (5x3) | 139.7 × 88.9 |
| 150x65 (6x2-1/2) | 165.1 × 76.1 |
| 150x80 (6x3) | 165.1 × 88.9 |
| 150x100 (6x4) | 165.1 × 114.3 |
| 200x65 (8x2-1/2) | 219.1 × 76.1 |
| 200x80 (8x3) | 219.1 × 88.9 |
| 200x100 (8x4) | 219.1 × 114.3 |
CRUX MECHANICA (FILEATA)

| MAGNITUDO NORMALIS (mm/in) | DIAMETER EXTERIOR (mm) |
| 50x25 (2x1) | 60.3xRcl |
| 65x25 (2-1/2x1) | 76. lxRcl |
| 65x40 (2-1/2x1-1/2) | 76. lxRcl-1/2 |
| 80x25 (3x1) | 88.9xRcl |
| 80x50 (3x2) | 88.9xRc2 |
| 100x25 (4x1) | 108xRcl |
| 100x65 (4x2-1/2) | 114.3xRc2-1/2 |
| 125x25 (5x1) | 133xRcl |
| 125x80 (5x3) | 133xRc3 |
| 125x25 (5x1) | 139.7xRcl |
| 150x25 (6x1) | 159xRcl |
| 150x80 (6x3) | 165. 1xRc3 |
| 200x25 (8x1) | 219. lxRcl |
| 200x80 (8x3) | 219. 1xRc3 |
TEX MECHANICA (SULCATA)

| MAGNITUDO NORMALIS (mm/in) | DIAMETER EXTERIOR (mm) |
| 100x50 (4x2) | 114,3x60.3 |
| 100x80 (4x3) | 114.3 × 88.9 |
| 125x65 (5x2-1/2) | 139.7 × 76.1 |
| 125x80 (5x3) | 139.7 × 88.9 |
| 150x65 (6x2-1/2) | 165.1 × 76.1 |
| 150x100 (6x4) | 165.1 × 114.3 |
| 200x65 (8x2-1/2) | 219.1 × 76.1 |
| 200x100 (8x4) | 219.1 × 114.3 |
TEX MECHANICA (FILEATA)

| MAGNITUDO NORMALIS (mm/in) | DIAMETER EXTERIOR (mm) |
| 50x25 (2x1) | 60.3xRcl |
| 65x25 (2-1/2x1) | 76. lxRcl |
| 65x40 (2-1/2x1-1/2) | 76. lxRcl-1/2 |
| 80x25 (3x1) | 88.9xRcl |
| 80x50 (3x2) | 88.9xRc2 |
| 100x25 (4x1) | 108xRcl |
| 100x65 (4x2-1/2) | 108xRc2-1/2 |
| 100x25 (4x1) | 114.3xRcl |
| 100x65 (4x2-1/2) | 114.3xRc2-1/2 |
| 125x25 (5x1) | 133xRcl |
| 125x80 (5x3) | 133xRc3 |
| 125x25 (5x1) | 139.7xRcl |
T-FORMA REDUCENS (SULCATA)

| MAGNITUDO NORMALIS (mm/in) | DIAMETER EXTERIOR (mm) |
| 65x50 (2/1/2x2) | 76.1 × 60.3 |
| 80x65 (3x2-1/2) | 88.9 × 76.1 |
| 100x50 (4x2-1/2) | 108x76.1 |
| 100x50 (4x2) | 114.3x60.3 |
| 100x80 (4x3) | 114.3 × 88.9 |
| 125x100 (5x4) | 133x108 |
| 125x65 (5x2-1/2) | 139.7 × 76.1 |
| 125x100 (5x4) | 139.7 × 114.3 |
| 150x100 (6x4) | 159x108 |
| 150x125 (6x5) | 159x133 |
| 150x65 (6x2-1/2) | 165.1 × 76.1 |
| 150x125 (6x5) | 165.1 × 139.7 |
| 200x50 (8x2) | 219.1 × 60.3 |
| 200x150 (8x6) | 219.1 × 165.1 |
TEX (SULCATUS)

| MAGNITUDO NORMALIS (mm/in) | DIAMETER EXTERIOR (mm) |
| 50(2) | 60.3 |
| 65 (2-1/2) | 76.1 |
| 80(3) | 88.9 |
| 100⑷ | 108 |
| 100⑷ | 114.3 |
| 125(5) | 133 |
| 125(5) | 139.7 |
| 150⑹ | CLIX |
| 150(6) | 165.1 |
| 150⑹ | 168.3 |
| 200⑻ | 219.1 |
CRUX REDUCTIVA (SULCATA)

| MAGNITUDO NORMALIS (mm/in) | DIAMETER EXTERIOR (mm) |
| 100x65 (4x2-1/2) | 114.3x76 |
| 100x80 (4x3) | 114.3 × 88.9 |
| 125x65 (5x2-1/2) | 139.7x76 |
| 125x100 (5x4) | 139.7 × 114.3 |
| 150x65 (6x2-1/2) | 165.1x76 |
| 150x125 (6x5) | 165.1 × 139.7 |
| 200x100 (8x4) | 219.1 × 114.3 |
| 200x150 (8x6) | 219.1 × 165.1 |
CRUX (SULCATA)

| MAGNITUDO NORMALIS (mm/in) | DIAMETER EXTERIOR (mm) |
| 65 (2-1/2) | 76.1 |
| 80⑶ | 88.9 |
| 100⑷ | 114.3 |
| 125⑸ | 139.7 |
| 150(6) | CLXV |
| 200⑻ | 219.1 |
Cubitus 45°

Cubitus 22.5°

Cubitus 90°

| MAGNITUDO NORMALIS (mm/in) | DIAMETER EXTERIOR (mm) |
| 50⑵ | 60.3 |
| 65 (2-1/2) | 76.1 |
| 80⑶ | 88.9 |
| 100⑷ | 108 |
| 100⑷ | 114.3 |
| 125⑸ | 133 |
| 125(5) | 139.7 |
| 150⑹ | CLIX |
| 150⑹ | CLXV |
| 200⑻ | 219.1 |
REDUCTOR (FILETUS)

| MAGNITUDO NORMALIS (mm/in) | DIAMETER EXTERIOR (mm) |
| 50x20 (2x3/4) | 60.3xRc3/4 |
| 50x40 (2x1-1/2) | 60.3xRcl-1/2 |
| 65x25 (2-1/2x1) | 76. lxRcl |
| 65 × 50 (2-1/2 × 2) | 76. 1xRc2 |
| 80x25 (3x1) | 88.9xRcl |
| 80x65 (3x2-1/2) | 88.9xRc2-1/2 |
| 100x25 (4x1) | 108xRcl |
| 100x25 (4x1) | 114.3xRcl |
| 125x25 (5x1) | 133xRcl |
| 125x25 (5x1) | 139.7xRcl |
| 150x25 (6x1) | 159xRcl |
| 150x80 (6x3) | 159xRc3 |
| 150x25 (6x1) | 165. lxRcl |
| 150x80 (6x3) | 165. 1xRc3 |
| 200x25 (8xRcl) | 219. lxRcl |
| 200x80 (8x3) | 219. 1xRc3 |
REDUCTOR (SULCATUS)

| MAGNITUDO NORMALIS (mm/in) | DIAMETER EXTERIOR (mm) |
| 65 × 50 (2-1/2 × 2) | 76.1 × 60.3 |
| 80x50 (3x2) | 88.9 × 60.3 |
| 80x65 (3x2-1/2) | 88.9 × 76.1 |
| 100x65 (4x2-1/2) | 108x76.1 |
| 100x80 (4x3) | 108x88.9 |
| 100x50 (4x2) | 114.3x60.3 |
| 100x80 (4x3) | 114.3 × 88.9 |
| 125x65 (5x2-1/2) | 133x76.1 |
| 125x100 (5x4) | 133x114.3 |
| 125x50 (5x2) | 139.7 × 60.3 |
| 125x100 (5x4) | 139.7 × 114.3 |
| 150x65 (6x2-1/2) | 159x76.1 |
| 150x125 (6x5) | 159x139.7 |
| 150x50 (6x2) | 165.1 × 60.3 |
| 150x125 (6x5) | 165.1 × 139.7 |
| 200x65 (8x2) | 219.1 × 60.3 |
| 200x150 (8x6) | 219.1 × 165.1 |
FLANX GRAVIS OFFICII
(SULCATUS)

| MAGNITUDO NORMALIS (mm/in) | DIAMETER EXTERIOR (mm) | Pressio Operativa (MPA) | DIMENSIONES (MM) | NUMERUS FORAMINUM | |||
| A | B | c | D | ||||
| 65 (2-1/2) | 76.1 | 2.5 | 63.5 | 17 | CLXXXV | 145 | 8 |
| 65⑶ | 88.9 | 2.5 | 63.5 | 17 | ducenti | CLX | 8 |
| 100⑷ | 108 | 2.5 | 67.5 | 16.5 | 235 | 190 | 8 |
| 100⑷ | 114.3 | 2.5 | 68 | 15 | 230 | 190 | 8 |
| 150⑹ | CLIX | 2.5 | 68 | 17 | trecenti | 250 | 8 |
| 150⑹ | 165.1 | 2.5 | 68 | 17 | trecenti | 250 | 8 |
| 200⑻ | 219.1 | 2.5 | 77 | 20 | 360 | CCCX | 12 |
FLANXA ADAPTATORIS
(SULCATUS)

| MAGNITUDO NORMALIS (mm/in) | DIAMETER EXTERIOR (mm) | Pressio Operativa (MPA) | DIMENSIONES (MM) | NUMERUS FORAMINUM | |||
| A | B | c | D | ||||
| 50⑵ | 60.3 | 1.6 | 50 | 15 | CLX | 125 | 4 |
| 65 (2-1/2) | 76.1 | 1.6 | 50 | 15 | CLXXVIII | 145 | 4 |
| 80⑶ | 88.9 | 1.6 | 50 | 15 | 194 | CLX | 8 |
| 100⑷ | 108 | 1.6 | 55 | 15 | 213 | CLXXX | 8 |
| 100⑷ | 114.3 | 1.6 | 55 | 15 | 213 | CLXXX | 8 |
| 125⑸ | 133 | 1.6 | 58 | 17 | 243 | 210 | 8 |
| 125⑸ | 139.7 | 1.6 | 58 | 17 | 243 | 210 | 8 |
| 150⑹ | CLIX | 1.6 | 65 | 17 | 280 | 240 | 8 |
| 150⑹ | 165.1 | 1.6 | 65 | 17 | 280 | 240 | 8 |
| 200⑻ | 219.1 | 1.6 | 78 | 19 | 340 | 295 | DCCCXII |
FLANX CAECA

| MAGNITUDO NORMALIS (mm/in) | DIAMETER EXTERIOR (mm) | Pressio Operativa (MPA) | ALTITUDO (MM) | |
| 50⑵ | 60.3 | 2.5 | 28 | |
| 65 (2-1/2) | 76.1 | 2.5 | 28 | |
| 80⑶ | 88.9 | 2.5 | 29 | |
| 100⑷ | 108 | 2.5 | 31 | |
| 100⑷ | 114.3 | 2.5 | 31 | |
| 125(5) | 133 | 2.5 | 31.5 | |
| 125⑸ | 139.7 | 2.5 | 31.5 | |
| 150⑹ | CLIX | 2.5 | 31.5 | |
| 150⑹ | 165.1 | 2.5 | 31 | |
| 200⑻ | 219.1 | 2.5 | 36.5 | |
FLANXA FILATA

| MAGNITUDO NORMALIS (mm/in) | DIAMETER EXTERIOR (mm) | Pressio Operativa (MPA) | DIMENSIONES (MM) | NUMERUS FORAMINUM | |||
| A | B | c | D | ||||
| 25⑴ | Rcl | 1.6 | 18 | 10 | 85 | 110 | 4 |
| 32 (1-1/4) | Rcl-1/4 | 1.6 | 18 | 11 | centum | 130 | 4 |
| 40 (1-1/2) | Rcl-1/2 | 1.6 | 19 | 13 | 110 | 145 | 4 |
| 50(2) | Rc2 | 1.6 | 20 | 13 | 125 | CLV | 4 |
| 65 (2-1/2) | Rc2-1/2 | 1.6 | 21 | 15 | 144 | CLXXVIII | 4 |
| 80⑶ | Rc3 | 1.6 | 25.5 | 15 | CLX | 193.5 | 8 |
| 100⑷ | Rc4 | 1.6 | 25.75 | 15 | CLXXX | 213.5 | 8 |
CLAUSAE ET NUCES

| MAGNITUDO | LONGITUDO FILATA L1 | LONGITUDO TOTALIS | LATITUDO CLAUSAE CAUDAE PISCIS | LATITUDO NUCIS |
| M10 × 55 | 30±3 | 55±1.2 | 14.5±0.5 | 9. 6~10 |
| M10 × 60 | 30±3 | 60±1.2 | 14.5 + 0.5 | 9. 6~10 |
| M10 × 65 | 30±3 | 65±1.2 | 14.5±0.5 | 9. 6~10 |
| M12 × 65 | 36+4 | 65±1.2 | 15.2±0.4 | 11. 6~12 |
| M12 × 70 | 36+4 | 70 + 1. 2 | 15.2±0.4 | 11. 6 ~ 12 |
| M12 × 75 | 41+4 | 75+1.2 | 15.2±0.4 | 11. 6 ~ 12 |
| M16 × 85 | 44+4 | 85+1.2 | 19. 0-19. 9 | 15. 3~16 |
| M20 × 120 | 50+5 | 120+2.0 | 24±0.8 | 18. 9~20 |
Proprietates mechanicae clavorum non inferiores esse debent quam gradus 8.8 in GB/T 3098.1 specificatus, et tolerantia fileti erit 6G. Proprietates mechanicae nucis requisitis Gradus 8 pro nucibus in GB/T 3098.2 specificatis, tolerantia fileti 6h, congruere debent.
ANULUS OBSTRUCTIONIS

| NOMEN | OBSTRUCTIO | COMMENDATIONEM SERVITII GENERALIS | AMBITUM TEMPERATURAE |
| EPDM | E | Aquae commeatus, cloacae, aer temperaturae normalis, acidum debile et alcali debile | -30°C~+130°C |
| NBR | D | Olea petrolei | -20°C〜+80°C |
| Gummi Siliconis | S | Aqua potabilis, aer calidus et siccus, et nonnullae chemicae calidae | -40°C~+180°C |
Caeruleo Pictae Sulcatae Tuborum Fistularum Fistularum
Tabula magnitudinum ut supra



Fistulae Tubariae Sulcatae Pictae Argenteo Pictae
Tabula magnitudinum ut supra



Alia genera iuncturarum tuborum
Fistulae aptae, chalybe carbonico conglutinatae et sine suturis
Ferrum Malleabile Galvanizatum et Nigrum Fitting
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