Description

The continuous spherical surface gives the vessel a deep end and a broad curved area, so equipment height, transport clearance, and lifting arrangements need early attention. Hemispherical Tank Heads can be produced in carbon steel, stainless steel, SA516 Gr70, or SA516 Gr60. Medium sizes may be pressed, while larger pieces can be spun or fabricated in sections under an agreed manufacturing plan. After forming, the edge is trimmed and prepared for the shell connection. Nozzle holes, reinforcement, orientation marks, surface treatment, and transport bracing may be added around the finished geometry. Because the profile is deep, the packing base is normally arranged to keep the head stable during lifting and inland transport.

Main Applications

High-pressure reactors, accumulators, separators, and storage equipment.

Large process vessels where the design specifies a spherical end.

Heavy industrial units requiring known internal area and capacity values.

Projects using Hemispherical Tank Heads where lifting height and shipping frames must be coordinated with the final depth.

Product Parameters

No.	Nominal Diameter DN/mm	Total Depth H/mm	Internal Surface Area A/m²	Capacity V/m³	No.	Nominal Diameter DN/mm	Total Depth H/mm	Internal Surface Area A/m²	Capacity V/m³
1	300	175	0.1649	0.0088	34	2900	1490	13.5748	6.6492
2	350	200	0.2199	0.0136	35	3000	1540	14.5142	7.3513
3	400	225	0.2827	0.0199	36	3100	1590	15.4849	8.1012
4	450	250	0.3534	0.0278	37	3200	1640	16.4871	8.9003
5	500	275	0.4320	0.0376	38	3300	1690	17.5207	9.7504
6	550	300	0.5184	0.0495	39	3400	1740	18.5857	10.6529
7	600	325	0.6126	0.0636	40	3500	1790	19.6821	11.6095
8	650	350	0.7147	0.0802	41	3600	1840	20.8099	12.6217
9	700	375	0.8247	0.0994	42	3700	1890	21.9692	13.6910
10	750	400	0.9425	0.1215	43	3800	1940	23.1598	14.8191
11	800	425	1.0681	0.1466	44	3900	1990	24.3819	16.0075
12	850	450	1.2017	0.1750	45	4000	2040	25.6354	17.2578
13	900	475	1.3430	0.2068	46	4100	2090	26.9203	18.5716
14	950	500	1.4923	0.2422	47	4200	2140	28.2366	19.9504
15	1000	525	1.6493	0.2814	48	4300	2190	29.5844	21.3958
16	1100	575	1.9871	0.3722	49	4400	2240	30.9635	22.9093
17	1200	625	2.3562	0.4807	50	4500	2290	32.3741	24.4926
18	1300	675	2.7567	0.6084	51	4600	2340	33.8161	26.1473
19	1400	725	3.1887	0.7569	52	4700	2390	35.2895	27.8748
20	1500	775	3.6521	0.9278	53	4800	2440	36.7943	29.6767
21	1600	825	4.1469	1.1226	54	4900	2490	38.3306	31.5547
22	1700	875	4.6731	1.3430	55	5000	2540	39.8982	33.5103
23	1800	925	5.2308	1.5904	56	5100	2590	41.4973	35.5451
24	1900	975	5.8198	1.8666	57	5200	2640	43.1278	37.6606
25	2000	1025	6.4403	2.1729	58	5300	2690	44.7897	39.8584
26	2100	1090	7.1911	2.5631	59	5400	2740	46.4830	42.1401
27	2200	1140	7.8791	2.9397	60	5500	2790	48.2077	44.5072
28	2300	1190	8.5985	3.3515	61	5600	2840	49.9639	46.9614
29	2400	1240	9.3494	3.8001	62	5700	2890	51.7515	49.5041
30	2500	1290	10.1316	4.2870	63	5800	2940	53.5704	52.1370
31	2600	1340	10.9453	4.8138	64	5900	2990	55.4208	54.8617
32	2700	1390	11.7904	5.3820	65	6000	3040	57.3026	57.6796
33	2800	1440	12.6669	5.9933	-	-	-	-	-

Why Choose Us

The workshop combines large-tonnage pressing, cold and hot spinning, heavy lifting, heating, cutting, beveling, welding, and inspection resources. A seven-zone production layout keeps raw materials, forming, finishing, testing, storage, and shipping separated. Material identification and dimensional records can follow each equipment tag. This keeps similar-looking parts separated when one project contains several vessels with different thicknesses. For segmented heads, weld preparation and examination requirements can be incorporated into the production sequence, while export packing can be built around the diameter and center of gravity.

Frequently Asked Questions (FAQ)

Q: Why does a hemispherical form need more transport planning?

A: Its depth increases overall height and can change the center of gravity, lifting points, and support-frame design.

Q: Can nozzle openings be completed before delivery?

A: Yes. Size, location, reinforcement, and examination requirements should be shown on the approved drawing.

Q: What is required to quote Hemispherical Tank Heads?

A: Send diameter basis, material, thickness, minimum formed thickness, edge detail, openings, quantity, standard, and inspection scope.

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