Schoonover, Inc. - Vacuum Equipment - Mewasa Edge Welded Bellows-Vacuum Bellows

Vacuum Equipment- Welded Bellows- Custom Vacuum Bellows

Mewasa Standard and Custom Edge Welded Bellows- We can do all types of custom edge welded bellows or vacuum bellows. We can provide standard and custom designs for semiconductor, data storage fabrication, medical implants, vacuum coating, energy and industrial products and processes as well as for physical apparatus and research systems. Your flexible solution for high vacuum and ultra-high vacuum applications vacuum bellows.

For Applications Questions and more information-Call 770-479-7138

Your Contact for Mewasa Edge Welded Bellows for High Vacuum Applications

Available types of vacuum bellows for your application

Outline			Outline.pdf
Standard type	NS	for all technical applications	NS 316L.pdf
			NS AM350.pdf
Wide type	BS	for large strokes and small forces	BS.pdf
Small type	DS	for mechanical seals (slide ring sealings) and special applications	DS 316L.pdf DS AM350.pdf

Available materials are: 316L, AM 350, Titanium, Inconel, Hastelloy. They guarantee:

	Corrosion resistance		vacuum bellows for high temperature and aggressive media
	High lifetime		f edge welded bellows for more than 10⁶ cycles
	Universal application		for all technical applications; lowest temperature or lowest magn. permeability

Standard Type Vacuum Bellows (NS)

DN:

Nominal diameter

ID:

Inside diameter

OD:

Outside diameter

DN	ID	OD
	6	13
	8	16
	9	20
	10	20
	13	26
DN 16	16	31.5
	19	37
	21	41
DN 25	26	46
	31	51
	36	56

DN	ID	OD
DN 40	39	59
	46	62.5
	46	71
DN 50	51	76
	60	88
DN 63	65	90
	70.5	95
	75	100
	77	107
	83.5	108
	90	120

DN	ID	OD
DN 100	102	132
	127	157
DN 160	150	185
	162.5	195
	170	200
	180	215
DN 200	200	235
DN 250	250	285
	270	310
DN 320	320	360

For universal application.

Heating (baking) possibility for
UHV applications

Standard material 316L or AM350

Wide Type Vacuum Bellows (BS)

S-�:

Shaft diameter

ID:

Inside diameter

OD:

Outside diameter

S-�	ID	OD
8	9	31.5
20	21	49
35	36.8	72
40	41.5	81
45	47	88
50 (2")	52	95

S-�	ID	OD
55	56	102
70	72	115
75 (3")	77.5	120
80	82	125
90	90.5	135
100 (4")	102.5	150

S-�	ID	OD
105	107.5	155
130 (5")	132.5	165
160 (6")	162.5	210
275	280	330
400	403	462
500	506	564

For a large stroke

For small forces

For differential pressure up to 5 bar

Standard material 316L or AM 350

Small Type Vacuum Bellows (DS)

S-�:

Shaft diameter

ID:

Inside diameter

OD:

Outside diameter

S-�	ID	OD
13 (1/2")	14	26.7
18 (5/8")	19	31.7
20 (1/4")	21.3	34
22 (7/8")	23.8	36.5
24 (7/8")	25.4	38.1
25 (1")	27	39.7
28 (1 1/8")	30.2	42.9
30 (1 1/8")	31.8	44.5
32 (1 1/4")	33.3	46
33 (1 1/4")	34.3	47
35 (1 3/8")	36.5	49.2
38 (1 1/2")	39.7	52.4

S-�	ID	OD
40 (1 5/8")	42.8	55.5
45 (1 3/4")	46	57
45 (1 3/4")	46	58.7
48 (1 7/8")	49.2	61.9
50 (2")	52.4	65.1
53 (2 1/8")	55	67
55 (2 1/4")	58.7	71.4
60 (2 3/8")	61.9	74.6
63 (2 1/2")	65.1	81
65 (2 5/8")	68.3	84.1

S-�	ID	OD
70 (2 3/4")	70.5	84.1
75 (2 7/8")	76.2	92.1
80 (3 1/8")	84	98.4
85 (3 3/8")	88.9	104.8
90 (3 1/2")	92.1	108
95 (3 3/4")	98.4	114.3
100 (3 7/8")	101.6	117.5
105 (4 1/8")	107.9	123.8
110 (4 1/4")	111.1	127
125 (4 7/8")	127	143
158 (6 1/4")	160	180
168 (6 3/4")	170	184

For mechanical seals

For differential pressure to 30 bar

Standard material AM 350

Material in a wide range of thickness

Alloys based on nickel with high temperature and corrosion resistance

Contact us at 770-479-7138 for Mewasa Edge Welded Bellows, both custom and standard designs available.

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