How to get high quality pipe coupling?
Vamzdžio jungtis connect two pipes or tubes together of equal or differing sizes . Pipe coupling mainly aims to solve the existing couplings easily generated due to fatigue fracture stress concentration problems.
Pipe coupling structure is: pipe ends with the inner wall of the coupling connected to tapered threads, couplings and tubing ends of the body with the same thread pitch flat with threaded connect. A single taper threaded connection with relief tubing outer thread root stress concentration characteristics, not easy to produce fatigue fracture, connecting effect. Effectively prevent oil well pipeline string broken off accidents.
A pipe coupling is any fitting or device used to join two or more pipes in such a way that continuity is maintained between them. The body of a pipe coupling is typically made of the same or similar materials as those used to construct the pipes it joins. They may be rigid or flexible depending on the amount of movement the pipe is subjected to and may per permanent or removable fixtures. A pipe coupling can be stepped or reduced in internal diameter to accept pipes of different sizes, be T or cross shaped to join more than two pipes, or angled to form bends. Pipe couplings may also include peripheral features or equipment such as inspection openings, flow meters, or vožtuvai.
Most pipe installations require that several lengths of pipe be joined together or cut to facilitate changes in direction and crossing of obstacles. This requires a fairly quick method of connecting the sections while maintaining the integrity of the pipes in the process. These couplings may be permanent by nature or, if possible disassembly is desirable, of a removable design. Permanent pipe couplings generally make use of soldering or brazing in the case of steel or copper pipes or adhesives in the case of PVC pipes. These permanent joints, if correctly installed, offer excellent rigidity and sealing characteristics where no future changes in the piping are foreseen.
Removable pipe couplings are most often of a threaded design which allows them to be screwed onto the pipes to be joined. The most simple of these is a basic pipe section slightly larger than the pipes to be joined and cut with an internal thread. The ends of the pipes are also threaded, and the coupling is simply sealed with hemp or sealing tape and screwed onto both pipes. More complex removable pipe couplings are of a two-part design where one part is attached to each pipe and then screwed together to complete the joint. These types of couplings are often used on high pressure copper gas pipes and flexible hydraulic or pneumatic hoses.
A vamzdžių jungtis is also often used to facilitate changes of pipe routing, crossing of obstacles, and penetration of walls. These couplings are typically elbow or U shaped but may include several variants featuring different angles of deflection. Step-down or reduction pipe couplings featuring different end diameters are used to join pipes of dissimilar sizes. Adaptor fitting may also be used to join pipes of different materials and feature separate end fittings suitable for both materials. Where more than two pipes are to be joined Y, T, or cross shaped couplings are common methods of achieving the joints.
Pipe couplings may also include other features such as inspection or maintenance access points. These are typically screw-on caps that allow for visual inspections or the insertion of rods used to remove blockages. Flow meters and other analytical attachments are frequently built into a pipe coupling to ease installation. Pipe couplings may also include mechanisms such as shut-off and pressure release valves.
Types of pipe couplings
Full Coupling fittings
What is a socket weld full coupling?
A socket weld full coupling, joins pipe two pipe or to a nipple etc. Used to join small bore plain end pipes where the pipe spec requirement is socket weld.
Product: Socket Weld Full coupling
Dydis : 1/2″NB TO 4″NB IN
Klasė : 3000 LBS, 6000 LBS, 9000 LBS
Type : Socket Weld (S/W) & SCREWED (SCRD) – NPT, BSP, BSPT
Form : 45 Deg Elbow, 90 Deg Elbow, Forged Elbow, Threaded Elbow, Socket Weld Elbow.
MATERIALS :
Stainless Steel Socket Weld Full coupling – SS Socket Weld Full coupling
ASTM A182 F304, 304H, 309, 310, 316, 316L, 317L, 321, 347, 904L
Duplex Stainless Steel Socket Weld Full coupling – Duplex SS Socket Weld Full coupling
ASTM / ASME A/SA 182 UNS F 44, F 45, F51, F 53, F 55, F 60, F 61.
Carbon Steel Socket Weld Full coupling – CS Socket Weld Full coupling
ASTMA 105/A694/ Gr. F42/46/52/56/60/65/70
Low Temperature Carbon Steel Socket Weld Full coupling – LTCS Socket Weld Full coupling
A350 LF3/A350 LF2
Alloy Steel Socket Weld Full coupling – AS Socket Weld Full coupling
ASTM / ASME A/SA 182 F1/F5/F9/F11/F22/F91
Nickel Alloy Socket Weld Full coupling :
Standartas: ASTM / ASME SB 564 / 160 / 472.
UNS 10276 (HASTELLOY C 276 Forged Elbow )
UNS 2200 (NICKEL 200 Forged Elbow ),
UNS 2201 (NICKEL 201 Forged Elbow ),
UNS 4400 (MONEL 400 Forged Elbow ),
UNS 8020 (ALLOY 20 Forged Elbow )
UNS 8825 INCONEL 825 Forged Elbow ),
UNS 6600 (INCONEL 600 Forged Elbow ),
UNS 6601 (INCONEL 601 Forged Elbow),
UNS 6625 (INCONEL 625 Forged Elbow),
Copper Alloy Socket Weld Full coupling
ASTM / ASME SB 61 / 62 / 151 / 152.
C 70600 (CU -NI- 90/10) – Cupro Nickel Forged Elbow
C 71500 (CU -NI- 70/30) – Copper Nickel Forged Elbow
UNS NO. C 92200, UNS NO. C 83600, UNS NO. UNS NO C 10100,
C 10200, C 10300, C 10800, C 12000, C 12200
| Product name : socket weld full coupling | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Pastaba:
Average of socket wall thickness around periphery shall be no less than listed values. The minimum values are permitted in localized areas.
Pastaba:
1 Average of socket wall thickness around periphery shall be no less than listed values. The minimum values are permitted in localized areas.
2 Upper and lower values for each size are the respective maximum and minimum dimensions.
What is threaded full coupling?
A threaded full coupling which means a steel pipe coupling has two ends both threaded. It could be a coupling with the thread only on the two ends, also could be a coupling with thread all over the length, they are all called full pipe coupling.
Standartas: ASME / ANSI B16.11
Class: 3000 LBS, 6000 LBS, 9000 LBS
FORGED FITTINGS THREADED FULL COUPLING MATERIAL & GRADES :
Nerūdijantis plienas Threaded Full Coupling : ASTM A182 F304, F304L, F306, F316L, F304H, F309S, F309H, F310S, F310H, F316TI, F316H, F316LN, F317, F317L, F321, F321H, F11, F22, F91, F347, F347H, F904L, ASTM A312/A403 TP304, TP304L, TP316, TP316L
Carbon Steel Threaded Full Coupling : ASTM A105, A350 LF2, A106 Gr.B, A234 WPB
Alloy Steel Threaded Full Coupling : ASTM / ASME A182, ASTM / ASME A335 GR P 1, P 5, P 9, P 11, P 12, P 22, P 23, P 91, ASTM / ASME A691 GR 1 CR, 1 1/4 CR, 2 1/4 CR, 5 CR, 9CR, 91
Duplex Steel Threaded Full Coupling : ASTM/ASME A182 / SA182, A790 / SA790 UNS No S31803, S32205
Super Duplex Threaded Full Coupling : ASTM/ASME A182 / SA182, A790 / SA790 UNS No S32750, S32950
Nickel Alloy Threaded Full Coupling : ASTM B336, ASME SB336, Nickel 200 (UNS No. No2200), Nickel 201 (UNS No. N02201), Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500), Inconel 800 (UNS No. N08800), Inconel 825 (UNS No. N08825), Inconel 600 (UNS No. N06600), Inconel 625 (UNS No. N06625), Inconel 601 (UNS No. N06601), Hastelloy C 276 (UNS No. N10276), Alloy 20 (UNS No. N08020), Titanium (Grade I & II), Copper Nickel (Cupro-Nickel 90/10 & 70/30).
Low Temperature Carbon Steel Threaded Full Coupling : ASTM/ASME A420 SA/420 WPL3, WPL6
DIMENSIONS OF ASME B16.11 THREADED FULL COUPLING
Dimensions threaded Full couplings – NPS 1/2 to 4 – 3000 LBS – ASME B16.11
| NPS | End to End | Outside Diameter | Minimum Length of Thread | |
| A | D | B | J | |
| 1/2 | 48 | 28 | 10.9 | 13.6 |
| 3/4 | 51 | 35 | 12.7 | 13.9 |
| 1 | 60 | 44 | 14.7 | 17.3 |
| 1¼ | 67 | 57 | 17 | 18 |
| 1½ | 79 | 64 | 17.8 | 18.4 |
| 2 | 86 | 76 | 19 | 19.2 |
| 2½ | 92 | 92 | 23.6 | 28.9 |
| 3 | 108 | 108 | 25.9 | 30.5 |
| 4 | 121 | 140 | 27.7 | 33 |
Half Coupling fittings
What is a socket weld half coupling?
Svetainė socket weld half coupling can be directly welded to the run pipe, to make a branch connection. Used to take a small bore pipe branch-off from a large bore pipe where the pipe spec requirement is socket weld in small bore size.
Product: Socket Weld Half Coupling
Dydis : 1/2″NB TO 4″NB IN
Klasė : 3000 LBS, 6000 LBS, 9000 LBS
Type : Socket Weld (S/W) & SCREWED (SCRD) – NPT, BSP, BSPT
Form : 45 Deg Elbow, 90 Deg Elbow, Forged Elbow, Threaded Elbow, Socket Weld Elbow.
MATERIALS :
Stainless Steel Socket Weld Half Coupling – SS Socket Weld Half Coupling
ASTM A182 F304, 304H, 309, 310, 316, 316L, 317L, 321, 347, 904L
Duplex Stainless Steel Socket Weld Half Coupling – Duplex SS Socket Weld Half Coupling
ASTM / ASME A/SA 182 UNS F 44, F 45, F51, F 53, F 55, F 60, F 61.
Carbon Steel Socket Weld Half Coupling – CS Socket Weld Half Coupling
ASTMA 105/A694/ Gr. F42/46/52/56/60/65/70
Low Temperature Carbon Steel Socket Weld Half Coupling – LTCS Socket Weld Half Coupling
A350 LF3/A350 LF2
Alloy Steel Socket Weld Half Coupling – AS Socket Weld Half Coupling
ASTM / ASME A/SA 182 F1/F5/F9/F11/F22/F91
Nickel Alloy Socket Weld Half Coupling :
Standartas: ASTM / ASME SB 564 / 160 / 472.
UNS 10276 (HASTELLOY C 276 Forged Elbow )
UNS 2200 (NICKEL 200 Forged Elbow ),
UNS 2201 (NICKEL 201 Forged Elbow ),
UNS 4400 (MONEL 400 Forged Elbow ),
UNS 8020 (ALLOY 20 Forged Elbow )
UNS 8825 INCONEL 825 Forged Elbow ),
UNS 6600 (INCONEL 600 Forged Elbow ),
UNS 6601 (INCONEL 601 Forged Elbow),
UNS 6625 (INCONEL 625 Forged Elbow),
Copper Alloy Socket Weld Half Coupling
ASTM / ASME SB 61 / 62 / 151 / 152.
C 70600 (CU -NI- 90/10) – Cupro Nickel Forged Elbow
C 71500 (CU -NI- 70/30) – Copper Nickel Forged Elbow
UNS NO. C 92200, UNS NO. C 83600, UNS NO. UNS NO C 10100,
C 10200, C 10300, C 10800, C 12000, C 12200
Dimensions of ASME B 16.11 Socket Weld Half Coupling
NPS 1/2 to 4 – 3000 LBS – ASME B 16.11
|
NPS
|
Lizdas
Bore
|
Gylis
Lizdas
|
Bore
skersmuo
|
Lizdas
wall thickness
|
Klojimo ilgiai
|
|
|
B
|
J
|
D
|
C
|
Jungtis
E
|
||
|
1/2
|
21.95
21.70
|
10
|
16.6
15
|
4.65
4.10
|
9.5
|
|
|
3/4
|
27.30
27.05
|
13
|
21.7
20.2
|
4.90
4.25
|
9.5
|
|
|
1
|
34.05
33.80
|
13
|
27.4
25.9
|
5.70
5.00
|
13
|
|
|
1¼
|
42.80
42.55
|
13
|
35.8
34.3
|
6.05
5.30
|
13
|
|
|
1½
|
48.90
48.65
|
13
|
41.7
40.1
|
6.35
5.55
|
13
|
|
|
2
|
61.35
61.10
|
16
|
53.5
51.7
|
6.95
6.05
|
19
|
|
|
2½
|
74.20
73.80
|
16
|
64.2
61.2
|
8.75
7.65
|
19
|
|
|
3
|
90.15
89.80
|
16
|
79.5
46.4
|
9.50
8.30
|
19
|
|
|
4
|
115.80
115.45
|
19
|
103.8
100.7
|
10.70
9.35
|
19
|
|
Dimensions Socket Weld Half couplings – NPS 1/2 to 2 – 6000 LBS – ASME B16.11
|
NPS
|
Lizdas
Bore
|
Gylis
Lizdas
|
Bore
skersmuo
|
Lizdas
wall thickness
|
Klojimo ilgiai
|
|
|
B
|
J
|
D
|
C
|
Jungtis
E
|
||
|
1/2
|
21.95
21.70
|
10
|
12.5
11
|
5.95
5.20
|
9.5
|
|
|
3/4
|
27.30
27.05
|
13
|
16.3
14.8
|
6.95
6.05
|
9.5
|
|
|
1
|
34.05
33.80
|
13
|
21.5
19.9
|
7.90
6.95
|
13
|
|
|
1¼
|
42.80
42.55
|
13
|
30.2
28.7
|
7.90
6.95
|
13
|
|
|
1½
|
48.90
48.65
|
13
|
34.7
33.2
|
8.90
7.80
|
13
|
|
|
2
|
61.35
61.10
|
16
|
43.6
42.1
|
10.90
9.50
|
19
|
|
What is threaded half coupling?
A threaded half coupling means a steel coupling which only has one thread end, another end of the coupling should be butt welding end. The thread end could be NPT or BSP standard thread. The butt welding end could be a plain end or a bevel end. it could be the connection between a pipe of male thread end and a pipe of no thread end.
MATERIALS:
Stainless Steel Threaded Half Coupling – SS Threaded Half Coupling
ASTM A182 F304, 304H, 309, 310, 316, 316L, 317L, 321, 347, 904L
Duplex Stainless Steel Threaded Half Coupling – Duplex SS Threaded Half Coupling
ASTM / ASME A/SA 182 UNS F 44, F 45, F51, F 53, F 55, F 60, F 61.
Carbon Steel Threaded Half Coupling – CS Threaded Half Coupling
ASTMA 105/A694/ Gr. F42/46/52/56/60/65/70
Low Temperature Carbon Steel Threaded Half Coupling – LTCS Threaded Half Coupling
A350 LF3/A350 LF2
Alloy Steel Threaded Half Coupling – AS Threaded Half Coupling
ASTM / ASME A/SA 182 F1/F5/F9/F11/F22/F91
Nickel Alloy Threaded Half Coupling :
Standartas:
ASTM / ASME SB 564 / 160 / 472.
UNS 10276 (HASTELLOY C 276 Forged Elbow)
UNS 2200 (NICKEL 200 Forged Elbow ),
UNS 2201 (NICKEL 201 Forged Elbow ),
UNS 4400 (MONEL 400 Forged Elbow ),
UNS 8020 (ALLOY 20 Forged Elbow )
UNS 8825 INCONEL 825 Forged Elbow ),
UNS 6600 (INCONEL 600 Forged Elbow ),
UNS 6601 (INCONEL 601 Forged Elbow),
UNS 6625 (INCONEL 625 Forged Elbow),
Copper Alloy Threaded Half Coupling
ASTM / ASME SB 61 / 62 / 151 / 152.
C 70600 (CU -NI- 90/10) – Cupro Nickel Forged Elbow
C 71500 (CU -NI- 70/30) – Copper Nickel Forged Elbow
UNS NO. C 92200, UNS NO. C 83600, UNS NO. UNS NO C 10100,
C 10200, C 10300, C 10800, C 12000, C 12200
DIMENSIONS OF ASME B16.11 THREADED HALF COUPLING
Dimensions threaded Half couplings – NPS 1/2 to 4 – 3000 LBS – ASME B16.11
| NPS | End to End | Outside Diameter | Minimum Length of Thread | |
| A | D | B | J | |
| 1/2 | 48 | 28 | 10.9 | 13.6 |
| 3/4 | 51 | 35 | 12.7 | 13.9 |
| 1 | 60 | 44 | 14.7 | 17.3 |
| 1¼ | 67 | 57 | 17 | 18 |
| 1½ | 79 | 64 | 17.8 | 18.4 |
| 2 | 86 | 76 | 19 | 19.2 |
| 2½ | 92 | 92 | 23.6 | 28.9 |
| 3 | 108 | 108 | 25.9 | 30.5 |
| 4 | 121 | 140 | 27.7 | 33 |
Dimensions threaded Half couplings – NPS 1/2 to 4 – 6000 LBS – ASME B16.11
| NPS | End to End | Outside Diameter | Minimum Length of Thread | |
| A | D | B | J | |
| 1/2 | 48 | 38 | 10.9 | 13.6 |
| 3/4 | 51 | 44 | 12.7 | 13.9 |
| 1 | 60 | 57 | 14.7 | 17.3 |
| 1¼ | 67 | 64 | 17 | 18 |
| 1½ | 79 | 76 | 17.8 | 18.4 |
| 2 | 86 | 92 | 19 | 19.2 |
| 2½ | 92 | 108 | 23.6 | 28.9 |
| 3 | 108 | 127 | 25.9 | 30.5 |
| 4 | 121 | 159 | 27.7 | 33 |
Reducer Coupling
What is threaded reducing coupling?
A threaded reducing coupling is a connector used to screw two pieces of pipe together using threaded rings.
| Matmenys | : | ANSI B 16.11 |
| Specifikacija | : | ASTM A 182 |
| Dydis | : | 1/4″ to 4″ |
| Klasė | : | 2000 SVARŲ STERLINGŲ, 3000 LBS, 6000 LBS, 9000 LBS |
| Range | : | Union, Tee, Elbow, Socket, Nipple, Coupling, Plug, Bushing, Weldolet, Threadolet, Sockolet. |
Types:
Materials and Grade:
Nerūdijantis plienas Threaded Reducing Coupling:
ASTM / ASME SA 403 GR WP “S” / “W” / ” WX”
304, 304L, 304H, 304N, 304LN, 309, 310H, 316, 316H, 317, 317L, 321, 321H, 347, 347H.
Duplex Steel Threaded Reducing Coupling:
Carbon Steel Threaded Reducing Coupling:
ASTM / ASME A 860 WPHY 42, WPHY 46, WPHY 52, WPH 60, WPHY 65 & WPHY 70
Alloy Steel Threaded Reducing Coupling:
Nickel Alloy Threaded Reducing Coupling:
Nickel Alloy 200 (UNS No. 2200), Nickel Alloy 201 (UNS No. 2201), Monel 400 (UNS No. 4400), Alloy 20 / 20 CB 3 (UNS No. 8020), Inconel 825 (UNS No. 8825), Inconel 600 (UNS No. 6600), Inconel 601 (UNS No. 6601), Inconel 625 (UNS No. 6625), Hastelloy C 276 / C22 / B2 (UNS No. 10276)
Copper Alloy Steel Threaded Reducing Coupling:
ASTM / ASME SB 111 UNS NO.C 10100 , C 10200 , C 10300 , C 10800 , C 12000, C 12200, C 70600 , C 71500
ASTM / ASME SB 466 UNS NO.C 70600 ( CU -NI- 90/10) , C 71500 ( CU -NI- 70/30)
Coupling fittings are used for fluid conduits in which each end portion of two tubes to be connected is provided with a swaged-on adapter carrying the necessary means to connect or disconnect the tubes without disturbing the swaged-on adapter.
Our range of coupling fittings are available in aluminium, steel and bronze.
Pipe couplings are highly demanded in the pipe fitting market. Pipe couplings are fittings that help to extend or terminate pipe runs. These fittings are also used to change pipe size. Couplings extend a run by joining two lengths of pipe. They are known as reduced coupling if they are used to connect pipes of different sizes. Couplings are also known as repair couplings. These couplings are without stops or ridges and they can be fixed anywhere along the pipe length for preventing leak of any kind.
Material: ASTM A105, F304, F316, F304L, F316L, A182, F11, F22, and F91
Slėgis: 2000LBS, 3000LBS, 6000LBS, 9000LBS
Size: from 1/4 to 4 inches
Standartas: ANSI B16.9/B16.28 ir MSS SP-43/SP-75
Prijungimo galai: suvirinti sandūriniu būdu, su sriegiu
Siūlų tipai: NU, EU, STC, LTC ir BTC
Surface treatment:Shot blasted, rust-proof black oil
Packing: Plywood Case/ Pallet/ other
Hex Coupling
A Hex Coupling is a Pipe fitting which consists of a short piece of Hex pipe, provided with a female pipe thread at both end, for connecting two other fittings.
|
P |
ØD |
L |
F |
|
NPTF |
mm |
mm |
Hex |
|
1/8 |
8.6 |
20.6 |
9/16 |
|
1/4 |
11.4 |
30.2 |
3/4 |
|
3/8 |
15.0 |
33.3 |
7/8 |
|
1/2 |
18.5 |
39.6 |
1-1/16 |
|
3/4 |
23.9 |
41.1 |
1-5/16 |
|
1 |
29.7 |
50.8 |
1-5/8 |
Hex Reducing Coupling
A Hex Reducing Coupling is a Pipe fitting which consists of a short piece of Hex pipe, provided with a female pipe thread of different sizes at both end, for connecting two other fittings.
|
PP |
PP |
ØD |
L |
F |
|
NPTF |
NPTF |
coliai |
coliai |
Hex |
|
1/8 |
1/16 |
0.34 |
0.92 |
3/4 |
|
1/4 |
1/8 |
0.34 |
1.22 |
3/4 |
|
3/8 |
1/16 |
0.34 |
0.95 |
7/8 |
|
3/8 |
1/8 |
0.34 |
1.03 |
7/8 |
|
3/8 |
1/4 |
0.45 |
1.38 |
7/8 |
|
1/2 |
1/8 |
0.34 |
1.56 |
1-1/16 |
|
1/2 |
1/4 |
0.45 |
1.75 |
1-1/16 |
|
1/2 |
3/8 |
0.59 |
1.78 |
1-1/16 |
|
3/4 |
1/8 |
0.34 |
1.39 |
1-3/8 |
|
3/4 |
1/4 |
0.45 |
1.69 |
1-3/8 |
|
3/4 |
3/8 |
0.45 |
1.69 |
1-3/8 |
|
3/4 |
1/2 |
0.73 |
2.06 |
1-3/8 |
|
1 |
1/8 |
0.41 |
1.44 |
1-5/8 |
|
1 |
1/4 |
0.45 |
1.63 |
1-5/8 |
|
1 |
3/8 |
0.45 |
1.63 |
1-5/8 |
|
1 |
1/2 |
0.73 |
2.19 |
1-5/8 |
|
1 |
3/4 |
0.94 |
2.25 |
1-5/8 |
Šaltinis: Kinija Pipe Coupling Gamintojas - Yaang Pipe Industry Co., Limited (www.ugsteelmill.com)
(Yaang "Pipe Industry" yra pirmaujanti nikelio lydinių ir nerūdijančio plieno gaminių, įskaitant "Super Duplex" nerūdijančio plieno flanšus, nerūdijančio plieno flanšus, nerūdijančio plieno vamzdžių jungiamąsias detales, nerūdijančio plieno vamzdžius, gamintoja ir tiekėja. "Yaang" gaminiai plačiai naudojami laivų statyboje, branduolinėje energetikoje, jūrų inžinerijoje, naftos, chemijos, kasybos, nuotekų valymo, gamtinių dujų ir slėginių indų bei kitose pramonės šakose).
Jei norite gauti daugiau informacijos apie straipsnį arba pasidalyti savo nuomone, susisiekite su mumis adresu [email protected]
Atkreipkite dėmesį, kad jus gali sudominti ir kiti mūsų paskelbti techniniai straipsniai:
- Patarimai, kaip pasirinkti kompensacines siūles
- Kuo skiriasi plieninis vamzdis nuo plieninio vamzdžio?
- Vamzdynų sistemos slėgio bandymo techninė specifikacija
- Kaip pasirinkti vožtuvą ir vožtuvo galo jungties tipą
- Kaip išbandyti vamzdžių jungiamąsias detales?
- Šaltai valcuotų plieno vamzdžių gamybos procesas
- Aukšto slėgio vamzdžių jungiamųjų detalių plėtros tendencijos
- Kaip gauti aukštos kokybės flanšų
- Kaip įsigyti aukštos kokybės vamzdžių jungiamųjų detalių
- Kaip gauti aukštos kokybės silfono kompensatorių
- Kaip gauti aukštos kokybės legiruotojo plieno vamzdžius
- KAIP GAUTI AUKŠTOS KOKYBĖS PLIENINIUS VAMZDŽIUS
- KUO SKIRIASI ŠONINIS TRIŠAKIS NUO TIKROJO VYČIO
- KAS YRA IŠLEIDIMO VAMZDŽIŲ JUNGIAMOSIOS DETALĖS
- KADA NAUDOTI AKINIŲ AKLINĄ JUNGĘ
- KAIP GAUTI AUKŠTOS KOKYBĖS KATILŲ VAMZDŽIUS
- https://www.ugsteelmill.com/difference-pipe-nipple-and-pipe-coupling.html
Nuorodos:
- https://www.yaang.com/what-is-a-socket-weld-full-coupling.html
- https://www.yaang.com/what-is-a-socket-weld-half-coupling.html
- https://www.yaang.com/what-is-threaded-half-coupling.html
- https://www.yaang.com/what-is-threaded-reducing-coupling.html
- https://www.yaang.com/what-is-threaded-full-coupling.html
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