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VALQUA No. Product Name Description Application Detail
(3DW) Dynamic Bellows (V Series) Standard metal welded bellows consisting of desired number of blocks with a free length of 10 mm to ensure ease of use depending on the required amount of expansion. Used in a variety of equipment based on a combination of standard size and number of blocks.

Pressure range :
Differential pressure 0.098MPa {1kgf/cm2}

Manufacturing range :
Inside diameter: 8-210mm dia.
Standard material :
SUS304 (Substandard SUS316L)
(3DW) Dynamic Bellows (M Series) Metal welded bellows that have been developed using structural analysis technology and offer a long service life at a low cost. Used in drive seals for vacuum equipment, semiconductor production equipment and bellows cylinders, bellows pumps and manipulators.

Standard dimension :
Inside diameter: 8-50mm dia.
Standard material :
SUS316L
(3FC16A) Two-way type
(3FC16L) Three-way type
HS Type Cylinder Valve[Type]
HS2: Two-way valve
HS3:Three-way valve
Compact and light-weight valve, with operating air cylinder integrated with the valve body. Small air consumption and long-term stable sealing performance. Used on cooling water for ironworks rolling mill, utilizing the high-frequent quick operating performance. Can be used also for powder or pellet line.

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3640 Metal Hollow O-ring (basic design) O-ring made of metal pipe processed into ring, with metal plating or other costing if required Used for aerospace semiconductor-related facilities, nuclear power-related facilities, electronic industry, laser equipment, joints, valves, injection molding machines, etc. 詳細 PDFリンク
3641 Metal Hollow Oring No.3640 O-ring provided with vent hole inside (for inner pressure) or outside (for outer pressure) for balancing Used for aerospace semiconductor-related facilities, nuclear power-related facilities, electronic industry, laser equipment, joints, valves, injection molding machines, etc. 詳細 PDFリンク
3645 Trypack Flat, Double-Covered Product This metal C-ring is made of a coil spring as an elastic element, which is covered twice with a thin metallic sheet such as aluminum sheet. It is used as a gasket for vacuums and ultrahigh vacuums. It is used with seals around used nuclear material storage cask lids, etc. 詳細 PDFリンク
3645 Trypack Single-Covered Product This metal C-ring is made of a coil spring as an elastic element, which is covered with a thin metallic sheet such as aluminum sheet. It is used as a gasket for vacuums and ultrahigh vacuums. It is used with seals around used nuclear material storage cask lids, etc. 詳細 PDFリンク
3645 Trypack Flat, Double-Covered Product (Split Inner Layer Type) This metal C-ring with a split inner layer is made of a coil spring as an elastic element, which is covered twice with a thin metallic sheet such as aluminum sheet. It is used as a gasket for vacuums and ultrahigh vacuums. It is used with seals around used nuclear material storage cask lids, etc. 詳細 PDFリンク
3645LS Trypack Flat, Double-Covered Product, Double Layered Product This gasket with improved conformity to the sealing surface takes the traditional Trypack design and adds V-shaped grooves to the upper and lower sealing surfaces to achieve a specified airtightness, even under a low tightening load. It is used as a gasket for vacuums and ultrahigh vacuums. It is used with seals around used nuclear material storage cask lids, etc. 詳細 PDFリンク
(3DJ) DYNAMIC BELLOWS Clean Bellows V series M series Piping materials Expansion Joint for emergency gas discharge system of BWR
(3DU) Dynamic Bellows® Cylinder Rod seal cylinder with a drive seal made of Dynamic Bellows® M Series that excels in cleanliness, corrosion resistance and durability. Used in a drive inside a chamber of semiconductor production equipment, liquid crystal production equipment and other vacuum equipment.

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(3DW) Dynamic Bellows Metal welded bellows consisting of sheet metals molded into a ring of S or Y-shaped cross-section and welded at the inside and outside diameters. Used in stem seals for various types of valves, vacuum drive seals in semiconductor production equipment, expansion pipe joints for vacuum sealing of accelerators and nuclear fusion equipment and mechanical seals for oil control and pulsation dampening due to its flexible stretchability and spring constant.

Pressure range:
extremely high vacuum to 49MPa {500kgf/cm2}

Manufacturing range:
Inside diameter:3-1,000mm dia. (2,000mm sq.)
Thickness:0.03-1.0mm
Configuration:circle, ellipse, square
Number of folds:optional
Material:SUS (304, 304L, 316, 316L, 321, 347), AM-350, Inconel, hastelloy, titanium, Monel and others

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