Kev txheeb xyuas cov khoom

ASME B31.3 Code yuav tsum tau kuaj xyuas cov ntaub ntawv thiab cov khoom sib txuas kom ua tau raws li cov lus qhia tshwj xeeb thiab cov qauv. B31.3 kuj xav kom cov ntaub ntawv no tsis muaj qhov tsis xws luag. Cov qauv tsim thiab cov kev qhia tshwj xeeb muaj ntau yam kev cai cim.

MSS SP-25 tus qauv

MSS SP-25 yog tus qauv siv ntau tshaj plaws. Nws muaj ntau hom kev cim tshwj xeeb uas ntev dhau los sau rau hauv daim ntawv ntxiv no; thov xa mus rau nws thaum tsim nyog kom paub meej tias cov cim ntawm ib feem.

Lub npe thiab qhov yuav tsum tau muaj

Standard Marking System rau Valves, Fittings, Flanges thiab Unions

1. Chaw tsim tshuaj paus lub npe los yog Trademark
2. Rating Designation
3. Khoom Siv Lub Npe
4. Melt Designation - raws li qhov xav tau los ntawm kev qhia tshwj xeeb
5. Valve Trim Identification - valve tsuas yog thaum xav tau
6. Qhov Loj Qhov Loj
7. Kev txheeb xyuas ntawm Threaded Ends
8. Ring-Joint Facing Identification
9. Permissible Omission of Markings

Cov Lus Cim Tshwj Xeeb

• Kev kos npe rau Flanges, Flanged Fittings, thiab Flanged Unions
• Kev kos npe yuav tsum muaj rau Threaded Fittings thiab Union Nuts
• Kos npe yuav tsum muaj rau Vuam thiab Solder Joint Fittings thiab Unions
• Kos qhov yuav tsum tau muaj rau Non-ferrous li qub
• Kev kos npe yuav tsum muaj rau Cast Iron Valves
• Daim Ntawv Ceeb Toom Cov Lus Qhia rau Cov Hlau Hlau Valve
• Marking Requirements rau Steel Valves

Kos qhov yuav tsum tau muaj steel yeeb nkab (qee qhov piv txwv)

ASTM A53
Tube, Hlau, Dub thiab Kub-dipped, Zinc Coated, Welded thiab Seamless

1. Lub npe ntawm Hom Chaw Tsim Tshuaj
2. Hom yeeb nkab (xws li ERW B, XS)
3. Specification Number
4. Ntev

ASTM A106 1
Seamless Carbon Steel Pipe rau Kev Pabcuam Kub Kub

1. Cov cim qhia ntawm A530 / A530M
2. Kub naj npawb
3. Hydro/NDE Marking
4. "S" rau cov kev xav tau ntxiv raws li tau teev tseg (kev ntxhov siab-relieved annealed hlab, kev ntsuas cua hauv qab dej, thiab kev kho cua sov)
5. Ntev
6. Teem caij Number
7. Qhov hnyav ntawm NPS 4 thiab loj dua

ASTM A 312 Cov Lus Qhia Tshwj Xeeb
Standard Specification rau General Requirements rau Tshwj xeeb Carbon thiab Alloy Steel Yeeb Nkab

1. Cov cim qhia ntawm A530 / A530M
2. Chaw tsim tshuaj paus Private Identifying Mark
3. Seamless los yog Welded

ASTM A530 / ASTM A530 / ASTM A530 / ASTM A530 / ASTM A530 / ASTM A530 / ASTM A530 / ASTM A530 / ASTM A530 / ASTM A530 / ASTM A530 / ASTM A530 / A530A / ASTM A530 / ASTM A530 / ASTM A530 / A530A / ASTM A530 / ASTM A530 / ASTM A530 / ASTM A530 / ASTM A530 / ASTM A530 / ASTM A530 / ASTM A530 / ASTM A530 / ASTM A530 / ASTM A530 / ASTM A530 / ASTM A530 / ASTM A530 / ASTM A530 / ASTM A530 / ASTM A530 / ASTM A530 / ASTM A530 / ASTM A530) thiab A530A
Standard Specification rau General Requirements rau Tshwj xeeb Carbon thiab Alloy Steel Yeeb Nkab

1. Tus neeg tsim khoom lub npe
2. Specification Qib

Kos Cov Kev Xav Tau Fittings (qee qhov piv txwv)

ASME B16.9
Factory-Made Wrought Steel Buttwelding Fittings

1. Chaw tsim tshuaj paus lub npe los yog Trademark
2. Khoom siv thiab khoom cim (ASTM lossis ASME qib cim)
3. "WP" hauv qib cim
4. Teem sijhawm tus lej lossis nominal phab ntsa thickness
5. NPS

ASME B16.11
Forged Fittings, Socket Vuam thiab Threaded

1. Chaw tsim tshuaj paus lub npe los yog Trademark
2. Kev txheeb xyuas cov khoom raws li qhov tsim nyog ASTM
3. Cov khoom lag luam cim, xws li "WP" lossis "B16"
4. Chav kawm - 2000, 3000, 6000, lossis 9000

Qhov loj thiab cov duab tsis tso cai rau tag nrho cov cim saum toj no, lawv tuaj yeem raug tshem tawm hauv qhov kev txiav txim rov qab tau muab los saum toj no.

Qauv TSIS MUAJ: SP-43
Wrought Stainless hlau Butt-Vuam Fittings

1. Chaw tsim tshuaj paus lub npe los yog Trademark
2. "CR" ua raws li ASTM lossis AISI cov khoom siv cim npe
3. Teem caij tus naj npawb lossis nominal phab ntsa thickness tsim
4. Loj

Marking Requirements Valves (qee qhov piv txwv)

API Standard 602
Compact Steel Gate Valves - Flanged, Threaded, Welded, thiab Extended Lub Cev Xaus

1. Valves yuav tsum raug cim raws li cov kev cai ntawm ASME B16.34
2. Txhua lub valve yuav tsum muaj cov ntawv txheeb xyuas corrosion-resistant hlau nrog cov ntaub ntawv hauv qab no:
   - Chaw tsim khoom
   - Tus neeg tsim khoom tus qauv, hom, lossis tus lej
   - Loj
   - Siv tau siab ntsuas ntawm 100F
   - Cov khoom siv lub cev
   - Trim khoom
3. Lub cev valve yuav tsum tau cim raws li hauv qab no:
   - Threaded-end lossis Socket Vuam-kawg li qub - 800 lossis 1500
   - Flanged-kawg li qub - 150, 300, 600, lossis 1500
   - Buttwelding-kawg li qub - 150, 300, 600, 800, lossis 1500

ASME B16.34
Valves - Flanged, Threaded thiab Welded kawg

1. Chaw tsim tshuaj paus lub npe los yog Trademark
2. Valve Lub Cev Cov Khoom Siv Casting Valves - Thaum tshav kub kub thiab cov khoom qib Forged lossis Fabricated li qub - ASTM Specification thiab Qib
3. Kev ntsuas
4. Loj
5. Qhov loj thiab cov duab tsis tso cai rau tag nrho cov cim saum toj no, lawv tuaj yeem raug tshem tawm hauv qhov kev txiav txim rov qab muab rau saum toj no
6. Rau tag nrho cov li qub, daim ntawv txheeb xyuas yuav tsum qhia qhov ntsuas qhov siab ntawm 100F thiab lwm yam cim uas yuav tsum tau ua los ntawm MSS SP-25

Kos Cov Kev Xav Tau Fasteners (qee qhov piv txwv)

ASTM 193 (Tshooj 193)
Specification rau Alloy-Steel thiab Stainless Hlau Bolting Cov Khoom Siv rau Kev Pabcuam Kub Kub

1. Qib lossis cov chaw tsim khoom cov cim cim yuav tsum raug siv rau ib qho kawg ntawm studs 3/8 "inch thiab loj dua thiab cov taub hau ntawm bolts 1/4" nyob rau hauv txoj kab uas hla thiab loj dua.

ASTM 194 (Tshooj 194
Specification rau Carbon thiab Alloy Steel Ceev rau Bolts rau High-Pressure thiab High-Temperature Service

1. Tus neeg tsim khoom tus cim cim. 2.Qib thiab cov txheej txheem ntawm kev tsim khoom (xws li 8F qhia cov txiv ntoo uas kub-forged lossis txias-forged)

Hom kev kos duab

Muaj ntau ntau txoj hauv kev txhawm rau txhawm rau kos cov yeeb nkab, flange, haum, thiab lwm yam, xws li:

Tuag Stamping
Txheej txheem nyob rau hauv uas ib tug engraved tuag yog siv los txiav thiab stamp (tso tawm qhov kev xav)

Xim Stencilling
Tsim cov duab los yog qauv los ntawm kev siv cov xim rau ib qho chaw hla ib qho khoom nruab nrab nrog qhov khoob hauv nws uas tsim cov qauv lossis cov duab los ntawm tsuas yog tso cai rau cov xim kom ncav cuag qee qhov ntawm qhov chaw.

Lwm cov txheej txheem yog Roll stamping, Ink Printing, Laser Printing thiab lwm yam.