Piping System – Tube Fittings - DME-HYDRAULICS.COM

1 Piping System Tube Fittings Piping System , Power Transmission, Forging and Casting Products TEL:86-411-2490707 2490808 FAX:86-411-2483355 http://www. Information for DIN 2353. General Caution! For certain types of Fittings the nominal Based Standard DIN 3851 DME-DIV. DIN Fittings pressure differ from those shown above, in which have been improved to comply with current case the ratings indicated for the individual types standard requirements. They conform to installation should be observed! standard DIN 2353 and all of their constituent parts are in terchangeable with competitor products Allowable working temperatures (TB). provided they comply to the basic standard A)For Fittings materials requirements as applicable.

2 Material Temperature Our production facilities have many years of Steel -40 up to +120 (DIN 3859). experience in the manufacture of precision Brass -60 up to +175 . products which in conjunction with stringent quality Stainless Steel -60 up to +400 (DIN 17440). control from the starting material up to the finished Please refer to the information given in the section component de termines the quality of HYUPDONG Reduction of Pressure . Fittings . B)For seal materials Material Temperature fitting materials NBP( ) -35 up to +100 . Hy-Lok Corp. Fittings are machined from drawn FPM( ) -25 up to +200 . steel bar or steel forgings. PTFE( ) -60 up to +240 . Materials according to DIN 3859 (technical Caution!

3 If different fitting and sealing material are specifications for tube Fittings ). used, the lowest temperature as indicated for each Nuts are either cold or hot pressed. material is applicable! Fittings made of stainless steel. X6 CrNiMoTil 7122 to DIN 17440, material No,1,4571,is also available for supply. Pressure reduction with temperature caution! Theuse of steel is permissible up to 120 The following reduction of pressure compared with max. For any temperature higher than 120 , use the catalogue specification for higher temperatures. material 1,4571. Materials Reduction Temperature range of Fittings of pressure Pressure and temperature load Capability Steel -40 up to +120 - Brass -60 up to +175 30%.

4 Pressure specification -60 up to +20 - The pressure specifications, given in our catalogue -60 up to +50 4%. relate to steel Fittings with a static load at a +100 11%. temperature up to 120 and refer to +200 20%. l Nominal pressure(PN)acc, to DIN 2401. +300 29%. The rated pressure has a safety factor of 4(DIN +400 33%. 3859) For different material of tubes and Fittings . The l Permissible working pressure (PB) of the tubes must be tested separately concerning the operating pressure acc, to DIN 2401. The allowed temperature range and the necessary security factor for PB is 2,5 of 1,5 respectively. reduction of pressure. Pressure Ranges Series Steel/Brass* 1,4571(ss316) Surface protection Size Pressure Size Pressure All ranges Fittings are galvanized and yellow LL 4-8 100 bar 4-8 100 bar passivated.

5 6-18 315 bar 6-15 250 bar All weldable Fittings are phosphated. L - - 18-22 160 bar Nikel-plated on request for carbon steel. 22-42 160 bar 28-42 100 bar 6-14 630 bar 6-14 630 bar Fluids S 16-30 400 bar 16-25 400 bar Hy-Lok Corp. DIN Fittings are designed for the use 38 315 bar 30-38 315 bar of commercial hydraulic oils. If special fluids please Brass*: Pressure range of brass should be adapted contact our application engineers. 30% below of the steel Piping System , Power Transmission, Forging and Casting Products TEL:86-411-2490707 2490808 FAX:86-411-2483355 http://www. Information for DIN 2353. Ordering Information Example 1, Tube to Tube connection Example 2, Tube to Tube connection DT - 12 S - S316 DMC - 10 L - 02G ED - S316.

6 Example 3, Tube to Tube Port Example 4, Tube Port to Female Port DEW - 16 S - S316 DMGE - 16 S - 04G ED - STEL.. Example 5, Banjo fitting Example 6, Male / Female Adapter DWH - 16 S - 04G - S316 MFAE 04G-03G - STEL.. Name of fitting : Refer to Index . Tube : See Tube O>D Designator Series : See Series Designator Thread Connection : See Thread Designator Elastomer Seal : ED-Ring (Refer to seal materials). Material : See Material Designator Tube Designator Series Designator Tube 4mm 6mm 8mm 38mm 42mm Series Very Light Light Heavy ldentifier 04 06 08 38 42 ldentifier LL L S. Thread Designator (Pipe Thread). Nominal size 1/8 1/4 3/8 1/2 3/4 1 1 1/4 1 1/2.

7 ANSL/ASME NPT 01N 02N 03N 04N 06N 08N 10N 12N. Ldenfifier DIN-ISO228(DIN 259). 01G 02G 03G 0G 06G 08G 10G 12G. BSP/Parallel DIN-2999. 01R 02R 03R 04R 06R 08R 10R 12R. BSP Tapered Thread Designator (Metric Thread). Metric Size M8 M10 M12 M14 M27 M33 M42 M48 DIN158. Ldenfifier M8K M10K M12K M14K . Taper (Keg). DIN-13. M8 M10 M12 M12 M27 M33 M42 M48. Paraller Thread Designator (Unified). Size 7/16-20 UNF 9/16-18 UNF 3/4-16 UNF 7/8-14 UNF 1 1/16-12UN 1 /5/16-12UN 1 5/8-12UN. ldentifier 04U 06U 08U 10U 12U 16U 20U. Material Designator Stainless Steel Meterial Carbon Steel (DIN 3859) Brass DIN 17440/1,4571 ASTM A479 TYPE 316. ldentifier STEL 4571 S316/316L BRAS.

8 Piping System , Power Transmission, Forging and Casting Products TEL:86-411-2490707 2490808 FAX:86-411-2483355 http://www. Information for DIN 2353. Tubing guide <seamless precision steel tube st We recommend the use of seamless precision steel tubes with dimensions to DIN 2391, part 1, material St to DIN 1630, type NBK. The following tube wall thickness are suitable for use: Tube Wall* Design Pressure Tube Wall* Design Pressure Tolerance Thickness Weight DIN 2413 Tolerance Thickness Thickness Weight DIN 2413. (D) (t) I (D) (t) I . mm mm mm kg/m bar bar mm mm mm kg/m bar bar 4 313 274 20 212 191. 4 409 391 20 2 282 249. 4 1 522 500 20 353 303. 6 333 289 20 3 373 357.

9 6 1 389 372 20 426 408. 6 549 526 20 4 478 458. 6 2 692 662 22 1 128 118. 6 757 725 22 192 174. 8 1 333 288 22 2 256 227. 8 431 412 22 320 278. 8 2 549 526 22 3 343 328. 8 658 630 25 2 226 201. 10 1 282 248 25 282 248. 10 373 357 25 3 338 292. 10 2 478 458 25 4 394 378. 10 576 551 25 437 418. 10 3 666 638 25 5 478 458. 1 235 209 28 151 139. 12. 353 303 2 201 181. 12 28. 2 409 391 252 223. 12 28. 495 474 3 302 264. 12 28. 3 576 551 4 357 342. 12 28. 651 624 5 434 415. 15 1 188 171 30 2 188 171. 15 282 248 30 235 210. 15 2 336 321 30 3 282 248. 15 409 391 30 4 336 321. 15 3 478 458 30 5 409 391. 16 1 176 160 35 2 161 147. 16 264 234 35 201 181. 16 2 353 303 35 3 242 215.

10 16 386 370 35 4 322 280. 16 3 452 433 35 5 357 342. 18 1 157 143 35 6 419 401. 18 235 209 38 186 168. 18 2 313 273 38 3 223 200. 18 348 333 38 4 297 260. 18 3 409 391 38 5 332 318. 38 6 390 373. 38 7 446 427. 42 2 134 124. 42 3 201 181. 42 4 269 237. Reinforce tube inserts are recommended where thin walled tubes are subject to severe strains. *permissible variation in wall thickness (DIN 2391). <Calculation Pressures: Calculated pressures to DIN 2413 part 1 for Calculated pressures to DIN 2413 PART for primarily static load conditions. dynamic load conditions Yield point (K): 235 N/mm2 (to DIN 1630) Yield point (K) : 225 N/mm2 (DIN 2413 ). Safety factor (S): Safety factor (S) Allowance factor (c) 20*k*t*c P= (bar).