Tiwbiau capilari dur gwrthstaen AISI Super Duplex 2507
Ystod gweithgynhyrchu:
tiwb coil dur di-staen
coil tiwb dur di-staen
tiwbiau coil dur di-staen
pibell coil dur di-staen
cyflenwyr tiwb coil dur di-staen
gweithgynhyrchwyr tiwb coil dur di-staen
coil bibell dur di-staen
Defnyddir capilari dur di-staen, tiwb bach dur di-staen yn eang mewn triniaeth feddygol, ffibr-optig, gwneud pen, cynhyrchion weldio electronig, cymal cebl ysgafn, bwyd, vintage, llaeth, diod, fferyllfa a biocemeg, gellir darparu hyd gwahanol yn ôl ceisiadau
Tiwbiau capilari gydag uchafswm turio o 0.0158 i mewn, ar gael mewn ystod eang o ddur di-staen.Nodweddir tiwbiau capilari Sandvik gan oddefiannau tynn, ac mae wyneb mewnol y tiwbiau yn rhydd o olew, saim a gronynnau eraill.Mae hyn yn sicrhau, er enghraifft, llif optimaidd a gwastad o hylifau a nwyon o'r synhwyrydd i'r offeryn mesur.
Dur di-staen Mae tiwbiau wedi'u torchi ar gael mewn amrywiaeth o wahanol ffurfiau cynnyrch yn dibynnu ar ofynion y cwsmer.Mae deunydd dur di-staen Licancheng sihe yn cynhyrchu cynhyrchion tiwb wedi'u weldio a di-dor.Y graddau safonol yw 304 304L 316L (UNS S31603) Deublyg 2205 (UNS S32205 & S31803) Super Duplex 2507 (UNS S32750) Incoloy 825 (UNS N08825) Inconel 6066 (UNS S32205 & S31803) Super Duplex 2507 (UNS S32750) Incoloy 825 (UNS N08825) Inconel 6066 (UNS N. Duplex dur di-staen) Mae eraill yn raddau uwch-ddyblygu 2507 (UNS S32750). ar gael ar gais.
Diamedr o 3mm (0.118'') i 25.4mm (1.00'') OD.Trwch wal o 0.5mm (0.020'') i 3mm (0.118''). Gellir cyflenwi tiwbiau yn y cyflwr pibell rheoli dur di-staen wedi'i anelio neu wedi'i weithio'n oer.
Manyleb
Brand | Liaocheng Sihe DUR Di-staen |
Trwch | 0.1-2.0mm |
Diamedr | 0.3-20mm (goddefgarwch: ±0.01mm) |
Gradd Di-staen | 201,202,304,304L,316L,317L,321,310s,254mso,904L,2205,625 ac ati. |
Gorffen Arwyneb | mae'r tu mewn a'r tu allan yn anelio llachar, yn glanhau ac yn ddi-dor, dim gollyngiadau. |
Safonol | ASTM A269-2002.JIS G4305/ GB/T 12770-2002GB/T12771-2002 |
Hyd | 200-1500m fesul coil, neu Fel sy'n ofynnol gan y cwsmer |
Maint stoc | 6*1mm,8*0.5mm,8*0.6mm,8*0.8mm,8*0.9mm,8*1mm,9.5*1mm,10*1mm,ect.. |
Tystysgrif | ISO&BV |
Ffordd pacio | Bagiau wedi'u gwehyddu, bagiau plastig ac ati. |
Ystod cais | a ddefnyddir yn eang mewn diwydiant bwyd, offer diod, peiriant cwrw, cyfnewidydd gwres, system cyflenwi llaeth / dŵr, ynni solar offer meddygol, offer meddygol, hedfan, awyrofod, cyfathrebu, olew a diwydiannau eraill |
Nodyn | Derbynnir OEM / ODM / Label Prynwr. |
Maint y Tube Coil dur di-staen | ||||||||||||||||
EITEM | Gradd | Maint | Pwysau | Hyd | ||||||||||||
1 | 316L、304L、304 aloi 625 825 2205 2507 | 1/8″×0.025″ | 3200 | 500-35000 | ||||||||||||
2 | 316L、304L、304 aloi 625 825 2205 2507 | 1/8″×0.035″ | 3200 | 500-35000 | ||||||||||||
3 | 316L、304L、304 aloi 625 825 2205 2507 | 1/4″×0.035″ | 2000 | 500-35000 | ||||||||||||
4 | 316L、304L、304 aloi 625 825 2205 2507 | 1/4″×0.049″ | 2000 | 500-35000 | ||||||||||||
5 | 316L、304L、304 aloi 625 825 2205 2507 | 3/8″×0.035″ | 1500 | 500-35000 | ||||||||||||
6 | 316L、304L、304 aloi 625 825 2205 2507 | 3/8 ″ × 0.049 ″ | 1500 | 500-35000 | ||||||||||||
7 | 316L、304L、304 aloi 625 825 2205 2507 | 1/2 ″ × 0.049 ″ | 1000 | 500-35000 | ||||||||||||
8 | 316L、304L、304 aloi 625 825 2205 2507 | 1/2 ″ × 0.065 ″ | 1000 | 500-35000 | ||||||||||||
9 | 316L、304L、304 aloi 625 825 2205 2507 | φ3mm × 0.7mm | 3200 | 500-35000 | ||||||||||||
10 | 316L、304L、304 aloi 625 825 2205 2507 | φ3mm × 0.9mm | 3200 | 500-35000 | ||||||||||||
11 | 316L、304L、304 aloi 625 825 2205 2507 | φ4mm × 0.9mm | 3000 | 500-35000 | ||||||||||||
12 | 316L、304L、304 aloi 625 825 2205 2507 | φ4mm × 1.1mm | 3000 | 500-35000 | ||||||||||||
13 | 316L、304L、304 aloi 625 825 2205 2507 | φ6mm × 0.9mm | 2000 | 500-35000 | ||||||||||||
14 | 316L、304L、304 aloi 625 825 2205 2507 | φ6mm × 1.1mm | 2000 | 500-35000 | ||||||||||||
15 | 316L、304L、304 aloi 625 825 2205 2507 | φ8mm × 1mm | 1800. llarieidd-dra eg | 500-35000 | ||||||||||||
16 | 316L、304L、304 aloi 625 825 2205 2507 | φ8mm × 1.2mm | 1800. llarieidd-dra eg | 500-35000 | ||||||||||||
17 | 316L、304L、304 aloi 625 825 2205 2507 | φ10mm × 1mm | 1500 | 500-35000 | ||||||||||||
18 | 316L、304L、304 aloi 625 825 2205 2507 | φ10mm × 1.2mm | 1500 | 500-35000 | ||||||||||||
19 | 316L、304L、304 aloi 625 825 2205 2507 | φ10mm × 2mm | 500 | 500-35000 | ||||||||||||
20 | 316L、304L、304 aloi 625 825 2205 2507 | φ12mm × 1.5mm | 500 | 500-35000 | ||||||||||||
Tablau pwysau | ||||||||||||||||
Mae dewis y deunydd priodol ar gyfer unrhyw linell reoli neu chwistrelliad cemegol penodol yn ddarostyngedig i'r amodau gweithredu a safle cyffredinol.Er mwyn cynorthwyo'r dewis, mae'r tablau canlynol yn darparu graddfeydd pwysau mewnol a'r ffactorau addasu ar gyfer ystod o raddau a meintiau cyffredin o diwbiau di-staen wedi'u weldio â laser a di-dor. | ||||||||||||||||
Pwysedd uchaf (P) ar gyfer TP 316L ar 100°F (38°C)1) | ||||||||||||||||
Cyfeiriwch at y ffactorau addasu gradd a ffurf cynnyrch isod. | ||||||||||||||||
Diamedr y tu allan, mewn. | Trwch wal, yn. | Pwysau gweithio2) | Pwysedd byrstio2) | Cwymp pwysau4) | ||||||||||||
psi (MPa) | psi (MPa) | psi (MPa) | ||||||||||||||
1/4 | 0.035 | 6,600 (46) | 22,470 (155) | 6,600 (46) | ||||||||||||
1/4 | 0. 049 | 9,260 (64) | 27,400 (189) | 8,710 (60) | ||||||||||||
1/4 | 0. 065 | 12,280 (85) | 34,640 (239) | 10,750 (74) | ||||||||||||
3/8 | 0.035 | 4,410 (30) | 19,160 (132) | 4,610 (32) | ||||||||||||
3/8 | 0. 049 | 6,170 (43) | 21,750 (150) | 6,220 (43) | ||||||||||||
3/8 | 0. 065 | 8,190 (56) | 25,260 (174) | 7,900 (54) | ||||||||||||
3/8 | 0.083 | 10,450 (72) | 30,050 (207) | 9,570 (66) | ||||||||||||
1/2 | 0. 049 | 4,630 (32) | 19,460 (134) | 4,820 (33) | ||||||||||||
1/2 | 0. 065 | 6,140 (42) | 21,700 (150) | 6,200 (43) | ||||||||||||
1/2 | 0.083 | 7,840 (54) | 24,600 (170) | 7,620 (53) | ||||||||||||
5/8 | 0. 049 | 3,700 (26) | 18,230 (126) | 3,930 (27) | ||||||||||||
5/8 | 0. 065 | 4,900 (34) | 19,860 (137) | 5,090 (35) | ||||||||||||
5/8 | 0.083 | 6,270 (43) | 26,910 (151) | 6,310 (44) | ||||||||||||
3/4 | 0. 049 | 3,080 (21) | 17,470 (120) | 3,320 (23) | ||||||||||||
3/4 | 0. 065 | 4,090 (28) | 18,740 (129) | 4,310 (30) | ||||||||||||
3/4 | 0.083 | 5,220 (36) | 20,310 (140) | 5,380 (37) | ||||||||||||
1) Amcangyfrifon yn unig.Dylid cyfrifo pwysau gwirioneddol gan ystyried yr holl ffactorau straen yn y system. | ||||||||||||||||
2) Yn seiliedig ar gyfrifiadau o API 5C3, gan ddefnyddio goddefgarwch wal o +/- 10% | ||||||||||||||||
3) Yn seiliedig ar gyfrifiadau byrstio cryfder eithaf o API 5C3 | ||||||||||||||||
4) Yn seiliedig ar gyfrifiadau cwymp cryfder cynnyrch o API 5C3 | ||||||||||||||||
Ffactorau addasu ar gyfer terfynau pwysau gweithio1) | ||||||||||||||||
Pw = sgôr pwysau gweithio cyfeirnod ar gyfer TP 316L ar 100°F (38°C).I bennu pwysau gweithio ar gyfer cyfuniad gradd/tymheredd, lluoswch Pw â ffactor addasu. | ||||||||||||||||
Gradd | 100°F | 200°F | 300°F | 400°F | ||||||||||||
(38°C) | (93°C) | ( 149°C) | (204°C) | |||||||||||||
TP 316L, di-dor | 1 | 0.87 | 0.7 | 0.63 | ||||||||||||
TP 316L, weldio | 0.85 | 0.74 | 0.6 | 0.54 | ||||||||||||
Alloy 825, di-dor | 1.33 | 1.17 | 1.1 | 1.03 | ||||||||||||
Alloy 825, weldio | 1.13 | 1.99 | 1.94 | 0.88 | ||||||||||||
1) Ffactorau addasu yn seiliedig ar straen a ganiateir mewn ASME. | ||||||||||||||||
Ffactorau addasu ar gyfer terfynau pwysedd byrstio1) | ||||||||||||||||
Pb = pwysedd byrstio cyfeirio ar gyfer TP 316L ar 100°F.I bennu pwysau byrstio ar gyfer cyfuniad gradd/tymheredd, lluoswch Pb â ffactor addasu. | ||||||||||||||||
Gradd | 100°F | 200°F | 300°F | 400°F | ||||||||||||
(38°C) | (93°C) | ( 149°C) | (204°C) | |||||||||||||
TP 316L, di-dor | 1 | 0.93 | 0.87 | 0.8 | ||||||||||||
TP 316L, weldio | 0.85 | 0.79 | 0.74 | 0.68 | ||||||||||||
Alloy 825, di-dor | 1.13 | 1.07 | 1 | 0.87 | ||||||||||||
Alloy 825, weldio | 0.96 | 0.91 | 0.85 | 0.74 | ||||||||||||
1) Ffactorau addasu yn seiliedig ar gryfder eithaf ASME. |
Cyfansoddiad cemegol:
316 Tiwb capilari dur di-staen | |||||||||
Gradd | UNS | C | Cr | Ni | Mo | Eraill | |||
max. | |||||||||
TP 316L | S31600/ S31603 | 0.03 | 17.5 | 13 | 2.1 | 0.1 | |||
Priodweddau mecanyddol | |||||||||
Gradd | Cryfder cynnyrch, | Cryfder tynnol, | Elongation | ||||||
psi (MPa) | psi (MPa) | % | |||||||
TP 316L | 32,000 (220) | 75,000 (515) | 35 | ||||||
Priodweddau cyrydiad | |||||||||
Gradd | UNS | PRE1) | CPT2) F (oC) | Uchafswm H2S3) | CO24) | ||||
TP 316L | S31600/S31603 | 24 | 95 (35) | Dim terfyn | + |
▼Tiwbiau torchog dur di-staen / tiwbiau wedi'u torchi gradd deunydd:
UDA | ALMAEN | ALMAEN | FFRAINC | JAPAN | EIDAL | SWEDEN | DU | UE | SBAEN | RWSIA |
AISI | DIN 17006 | WN 17007 | AFNOR | JIS | UNI | SIS | BSI | EURONORM | ||
201 | SUS 201 | |||||||||
301 | X 12 CrNi 17 7 | 1. 4310 | Z 12 CN 17-07 | SUS 301 | X 12 CrNi 1707 | 23 31 | 301S21 | X 12 CrNi 17 7 | X 12 CrNi 17-07 | |
302 | X 5 CrNi 18 7 | 1.4319 | Z 10 CN 18-09 | SUS 302 | X 10 CrNi 1809 | 23 31 | 302S25 | X 10 CrNi 18 9 | X 10 CrNi 18-09 | 12KH18N9 |
303 | X 10 CrNiS 18 9 | 1. 4305 | Z 10 CNF 18-09 | SUS 303 | X 10 CrNiS 1809 | 23 46 | 303S21 | X 10 CrNiS 18 9 | X 10 CrNiS 18-09 | |
303 Se | Z 10 CNF 18-09 | SUS 303 Se | X 10 CrNiS 1809 | 303S41 | X 10 CrNiS 18-09 | 12KH18N10E | ||||
304 | X 5 CrNi 18 10 X 5 CrNi 18 12 | 1. 4301 1. 4303 | Z 6 CN 18-09 | SUS 304 | X 5 CrNi 1810 | 23 32 | 304S15 304S16 | X 6 CrNi 18 10 | X 6 CrNi 19-10 | 08KH18N10 06KH18N11 |
304 Rh | SUS 304N1 | X 5 CrNiN 1810 | ||||||||
304 H | SUS F 304H | X 8 CrNi 1910 | X 6 CrNi 19-10 | |||||||
304 L | X 2 CrNi 18 11 | 1. 4306 | Z 2 CN 18-10 | SUS 304L | X 2 CrNi 1911 | 23 52 | 304S11 | X 3 CrNi 18 10 | X 2 CrNi 19-10 | 03KH18N11 |
X 2 CrNiN 18 10 | 1.4311 | Z 2 CN 18-10-Az | SUS 304LN | X 2 CrNiN 1811 | 23 71 | |||||
305 | Z 8 CN 18-12 | SUS 305 | X 8 CrNi 1812 | 23 33 | 305S19 | X 8 CrNi 18 12 | X 8 CrNi 18-12 | |||
Z 6 CNU 18-10 | SUS XM7 | X 6 CrNiCu 18 10 4 Kd | ||||||||
309 | X 15 CrNiS 20 12 | 1.4828 | Z 15 CN 24-13 | SUH 309 | X 16 CrNi 2314 | 309S24 | X 15 CrNi 23 13 | |||
309 S | SUS 309S | X 6 CrNi 2314 | X 6 CrNi 22 13 | |||||||
310 | X 12 CrNi 25 21 | 1.4845 | SUH 310 | X 22 CrNi 2520 | 310S24 | 20KH23N18 | ||||
310 S | X 12 CrNi 25 20 | 1.4842 | Z 12 CN 25-20 | SUS 310S | X 5 CrNi 2520 | 23 61 | X 6 CrNi 25 20 | 10KH23N18 | ||
314 | X 15 CrNiSi 25 20 | 1.4841 | Z 12 CNC 25-20 | X 16 CrNiSi 2520 | X 15 CrNiSi 25 20 | 20KH25N20S2 | ||||
316 | X 5 CrNiMo 17 12 2 | 1. 4401 | Z 6 CND 17-11 | SUS 316 | X 5 CrNiMo 1712 | 23 47 | 316S31 | X 6 CrNiMo 17 12 2 | X 6 CrNiMo 17-12-03 | |
316 | X 5 CrNiMo 17 13 3 | 1.4436 | Z 6 CND 17-12 | SUS 316 | X 5 CrNiMo 1713 | 23 43 | 316S33 | X 6 CrNiMo 17 13 3 | X 6 CrNiMo 17-12-03 | |
316 Dd | X 12 CrNiMoS 18 11 | 1.4427 | ||||||||
316 Rh | SUS 316N | |||||||||
316 H | SUS F 316H | X 8 CrNiMo 1712 | X 5 CrNiMo 17-12 | |||||||
316 H | X 8 CrNiMo 1713 | X 6 CrNiMo 17-12-03 | ||||||||
316 L | X 2 CrNiMo 17 13 2 | 1. 4404 | Z 2 CND 17-12 | SUS 316L | X 2 CrNiMo 1712 | 23 48 | 316S11 | X 3 CrNiMo 17 12 2 | X 2 CrNiMo 17-12-03 | 03KH17N14M2 |
X 2 CRNiMoN 17 12 2 | 1. 4406 | Z 2 CND 17-12-Az | SUS 316LN | X 2 CRNiMoN 1712 | ||||||
316 L | X 2 CrNiMo 18 14 3 | 1.4435 | Z 2 CND 17-13 | X 2 CrNiMo 1713 | 23 53 | 316S13 | X 3 CrNiMo 17 13 3 | X 2 CrNiMo 17-12-03 | 03KH16N15M3 | |
X 2 CRNiMoN 17 13 3 | 1.4429 | Z 2 CND 17-13-Az | X 2 CRNiMoN 1713 | 23 75 | ||||||
X 6 CrNiMoTi 17 12 2 | 1.4571 | Z6 CNDT 17-12 | X 6 CrNiMoTi 1712 | 23 50 | 320S31 | X 6 CrNiMoTi 17 12 2 | X 6 CrNiMoTi 17-12-03 | 08KH17N13M2T 10KH17N13M2T | ||
X 10 CrNiMoTi 18 12 | 1.4573 | X 6 CrNiMoTi 1713 | 320S33 | X 6 CrNiMoTI 17 13 3 | X 6 CrNiMoTi 17-12-03 | 08KH17N13M2T 10KH17N13M2T | ||||
X 6 CrNiMoNb 17 12 2 | 1. 4580 | Z 6 CNDNb 17-12 | X 6 CrNiMoNb 1712 | X 6 CrNiMoNb 17 12 2 | 08KH16N13M2B | |||||
X 10 CrNiMoNb 18 12 | 1.4583 | X 6 CrNiMoNb 1713 | X 6 CrNiMoNb 17 13 3 | 09KH16N15M3B | ||||||
317 | SUS 317 | X 5 CrNiMo 1815 | 23 66 | 317S16 | ||||||
317 L | X 2 CrNiMo 18 16 4 | 1.4438 | Z 2 CND 19-15 | SUS 317L | X 2 CrNiMo 1815 | 23 67 | 317S12 | X 3 CrNiMo 18 16 4 | ||
317 L | X 2 CrNiMo 18 16 4 | 1.4438 | Z 2 CND 19-15 | SUS 317L | X 2 CrNiMo 1816 | 23 67 | 317S12 | X 3 CrNiMo 18 16 4 | ||
330 | X 12 NiCrSi 36 16 | 1.4864 | Z 12NCS 35-16 | SUH 330 | ||||||
321 | X 6 CrNiTi 18 10 X 12 CrNiTi 18 9 | 1.4541 1.4878 | Z 6 CNT 18-10 | SUS 321 | X 6 CrNiTi 1811 | 23 37 | 321S31 | X 6 CrNiTi 18 10 | X 6 CrNiTi 18-11 | 08KH18N10T |
321 H | SUS 321H | X 8 CrNiTi 1811 | 321S20 | X 7 CrNiTi 18-11 | 12KH18N10T | |||||
329 | X 8 CrNiMo 27 5 | 1. 4460 | SUS 329J1 | 23 24 | ||||||
347 | X 6 CrNiNb 18 10 | 1. 4550 | Z 6 CNNb 18-10 | SUS 347 | X 6 CrNiNb 1811 | 23 38 | 347S31 | X 6 CrNiNb 18 10 | X 6 CrNiNb 18-11 | 08KH18N12B |
347 H | SUS F 347H | X 8 CrNiNb 1811 | X 7 CrNiNb 18-11 | |||||||
904L | 1.4939 | Z 12 CNDV 12-02 | ||||||||
X 20 CrNiSi 25 4 | 1.4821 | |||||||||
UNS31803 | X 2 CRNiMoN 22 5 | 1.4462 | ||||||||
UNS32760 | X 3 CRNiMoN 25 7 | 1. 4501 | Z 3 CND 25-06Az | |||||||
403 | X 6 Cr 13 X 10 Cr 13 X 15 Cr 13 | 1.4000 1.4006 1. 4024 | Z 12 C 13 | SUS 403 | X 12 Cr 13 | 23 02 | 403S17 | X 10 Cr 13 X 12 Cr 13 | X 6 Cr 13 | 12Kh13 |
405 | X 6 CrAl 13 | 1.4002 | Z 6 CA 13 | SUS 405 | X 6 CrAl 13 | 405S17 | X 6 CrAl 13 | X 6 CrAl 13 | ||
X 10 CrAl 7 | 1.4713 | Z 8 CA 7 | X 10 CrAl 7 | |||||||
X 10 CrAl 13 | 1.4724 | X 10 CrAl 12 | 10Kh13SYu | |||||||
X 10 CrAl 18 | 1.4742 | X 10 CrSiAl 18 | 15Kh18SYu | |||||||
409 | X 6 CrTi 12 | 1.4512 | Z 6 CT 12 | SUH 409 | X 6 CrTi 12 | 409S19 | X 5 CrTi 12 | |||
X 2 CrTi 12 | ||||||||||
410 | X 6 Cr 13 X 10 Cr 13 X 15 Cr 13 | 1.4000 1.4006 1. 4024 | Z 10 C 13 Z 12 C 13 | SUS 410 | X 12 Cr 13 | 23 02 | 410S21 | X 12 Cr 13 | X 12 Cr 13 | 12Kh13 |
410 S | X 6 Cr 13 | 1.4000 | Z 6 C 13 | SUS 410S | X 6 Cr 13 | 23 01 | 403S17 | X 6 Cr 13 | 08Kh13 | |
414 |
Mantais ansawdd:
Sicrheir ansawdd ein cynnyrch ar gyfer y llinell reoli yn y sector olew a nwy nid yn unig yn ystod y broses weithgynhyrchu rheoledig ond hefyd trwy brofi cynnyrch gorffenedig.Mae profion nodweddiadol yn cynnwys:
Profion 1.Non-ddinistriol
2. Hydrostatig profion
Rheolaethau gorffen 3.Surface
4. Mesuriadau cywirdeb dimensiwn
5.Flare a phrofion coning
6. Profi eiddo mecanyddol a chemegol
Cais tiwb caillary
1) diwydiant dyfeisiau meddygol
2) rheoli tymheredd diwydiannol dan arweiniad tymheredd, synwyryddion a ddefnyddir bibell, thermomedr tiwb
3) tiwb craidd diwydiant gofal corlannau
4) antena micro-tiwb, gwahanol fathau o antena dur di-staen manwl gywirdeb bach
5) Gydag amrywiaeth o gapilari dur di-staen diamedr bach electronig
6) dyrnu nodwydd gemwaith
7) gwylio, llun
8) tiwb antena car, antena bar gan ddefnyddio tiwbiau, tiwb antena
9) Offer engrafiad laser i ddefnyddio tiwb dur di-staen
10) offer pysgota, ategolion, Yugan allan gyda meddiant o
11) Deiet gyda chapilari dur di-staen
12) pob math o ffôn symudol stylus a stylus cyfrifiadur
13) diwydiant pibellau gwresogi, diwydiant olew
14) Argraffwyr, nodwydd blwch tawel
15) Tynnwch diwb dur di-staen wedi'i doddi'n ddwbl a ddefnyddir mewn cyplydd ffenestr
16) Amrywiaeth o diwbiau dur di-staen diamedr bach diwydiannol
17) trachywiredd dosbarthu gyda nodwyddau dur gwrthstaen
18) Meicroffon, clustffonau a meicroffon i ddefnyddio tiwb dur di-staen, ac ati