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ASTM A105 Weldolet

ASTM A105 weldolet is a kind of pipe fitting used in pipeline system. It is mainly composed of main pipe connection part, branch pipe connection part and welding part.

ASTM A105 Pipe Fittings MSS SP-97 Weldolet

ASME B16.11 Socket Weld Tee

Content

ASTM A105 weldolet is a kind of pipe fitting used in pipeline system. It is mainly composed of main pipe connection part, branch pipe connection part and welding part.The main pipe connection part is usually a circular interface that matches the outer diameter of the main pipe, and its inner diameter is slightly larger than the outer diameter of the main pipe so that it can be put on the main pipe for welding. The branch pipe connection part is an interface that matches the outer diameter of the branch pipe.

Carbon steel weldolet are widely used in the transmission of various liquids, gases, solid dust and other media. Specifically, it is widely used in pipeline projects in the fields of petroleum, chemical, pharmaceutical, food, paper making, textile, metallurgy, etc. In addition, carbon steel butt welding pipe branches are also suitable for steel pipelines, especially in the connection of high-pressure pipelines in hydraulic systems, gas equipment, and HVAC systems.

Specification of Weldolet Fittings

Size Range	1/8″ – 24″ / DN6 – DN600
Schedule Chart	STD, XS, SCH 160
Standard	MSS SP-97
Carbon Steel	ASTM A105 / A105N
Low Temp Carbon Steel	ASTM A350 LF2 / LF3
Pipeline Steel	ASTM A694 F42 / 46 / 56 / 60 / 65
Alloy Steel	ASTM A182 F11 / 12 / 5 / 9 / 91 / 92 / 22
Stainless Steel	ASTM A182 F304/304L/304H, 316/316L, 310S, 317, 347, 904L, 321
Duplex Stainless Steel	ASTM A182 F51, F53, F44

MSS SP-97 Weldolet Dimensions

Run pipe Nominal Size		Branch Nominal Size		Length			OD of Fitting			Cut hole Dia.
Run pipe Nominal Size		Branch Nominal Size		A			D			d
DN	NPS	DN	NPS	STD	XS	SCH160	STD	XS	SCH	STD	XS	SCH160
8~900	1/4~36	6	1/8	16	16	–	24	24	–	16	16	–
10~900	3/8~36	8	1/4	16	16	–	26	16	–	16	16	–
15~900	1/2~36	10	3/8	19	19	–	30	30	–	19	19	–
20~900	3/4~36	15	1/2	19	19	28	36	36	36	24	24	14
25~900	1~36	20	3/4	22	22	32	43	43	46	30	30	19
32~900	11/4~36	25	1	27	27	38	55	55	51	36	36	25
40~900	11/2~36	32	11/4	32	32	44	66	66	63	45	45	33
50~900	2~36	40	11/2	33	33	51	74	74	71	51	51	38
65~900	21/2~36	50	2	38	38	55	90	90	82	65	65	43
80~900	3~36	65	21/2	41	41	62	104	104	98	76	76	54
90~900	31/2~36	80	3	44	44	73	124	124	122	93	93	73
100~900	4~36	90	31/2	48	48	–	138	138	–	113	113	–
125~900	5~36	100	4	51	51	84	154	154	154	120	120	98
150~900	6~36	125	5	57	57	94	187	187	188	141	141	122
200~900	8~36	150	6	60	78	105	213	227	222	170	170	146
250~900	10~36	200	8	70	99	–	265	292	–	220	220	–
300~900	12~36	250	10	78	94	–	323	325	–	275	265	–
350~900	14~36	300	12	86	103	–	379	381	–	325	317	–
400~900	16~36	350	14	89	10	–	411	416	–	257	361	–
450~900	18~36	400	16	94	106	–	465	468	–	408	403	–
500~900	20~36	450	18	97	111	–	522	525	–	459	455	–
550~900	22~36	500	20	102	119	–	573	584	–	508	509	–
650~900	26~36	600	24	116	140	–	690	708	–	614	612	–

Application of ASTM A105 Weldolet

Carbon steel weldolet are widely used in petrochemical pipeline systems. For example, in petrochemical production equipment, such as refineries, chemical reactors and other equipment, carbon steel butt-weld branch pipe seats are also used in large quantities to build complex pipeline networks.

Power industry

In the steam pipeline system of thermal power plants, carbon steel weldolet play an important role. Steam pipelines need to transport high-temperature and high-pressure steam from boilers to equipment such as turbines. Carbon steel weldolet can meet the strength and sealing requirements of the steam pipeline system for connecting pipe fittings, ensuring the safe operation of the steam pipeline system.

Building water supply and drainage system

ASTM A105 weldolets are also used in building water supply and drainage pipeline systems. Although plastic pipe fittings may be used more in some civil buildings, in some industrial buildings or large commercial buildings, when it is necessary to withstand higher water pressure or have higher requirements for the stability of pipeline connections, carbon steel weldolet can be used to connect the main water supply and drainage pipelines and branch pipelines.

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