NW40 Kovar® glass viewport

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Product code :20232 Model:NW40VPK

▼Viewport Borosilicate Glass (Kovar®)
Borosilicate glass/Duran®: for visual inspection inside the chamber
Materials such as quartz and sapphire are available for optical use

▼ The following types are standardized
Flanges: NW/KF, ICF, JIS-VF, JIS-VG, CeFiX®, Sanitary
Window materials are Borosilicate glass, Borosilicate glass Sapphire (Al2O3),.
Fused silica (SiO2),.
Synthetic Quartz ( SiO2),.
Magnesium Fluoride (MgF2),.
Calcium Fluoride (CaF2),
Barium Fluoride(BaF2)
Germanium (Ge),.
Zinc Selenide (ZnSe),.
lead glass as standard products.
Non-magnetic flanges (titanium, SUS316L) are also available.
Viewports that can be opened and closed (list) is also available.

▼Options (ICF flange only)
Viewport cover (List)
Viewport Shutter(List)

▼Custom-made products are also available.
We can change the window material and flange size. AR coating is also available. Please contact us by clicking the "Inquiry" button on the right side of the page.
※When requesting AR coating, please let us know the wavelength used, and if laser resistance is required, please let us know the details of the laser to be used.

Basic Information
Flange material	SUS 304
window	Borosilicate glass
Maximum temperature	350℃
Leak rate	<1.0x10^-8Pa･㎥/sec
RoHS2 corresponding	○

27,700 JPY (with tax 30,470JPY)

stock: 85; 1-2 Business Days

waiting for completion: 10; Arrival on Jan 24,2025

When out of stock: Answered later

Quantity

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front.product.product_code Model	NW/KF	ICF	VF	VG	ISO-K	A	T (glass thickness)	V (effective diameter)	H1	H2	G1	G2	Hole diameter(depth)	Number of holes	O-ring standard	Stock & Delivery	front.product.price front.product.tax_included2
20232 NW40VPK	40	-	-	-	-	55	3	32	12.7	-	-	-	-	-	-	stock 85 1-2 Business Days waiting for completion 10 Arrival on Jan 24,2025 When out of stock Answered later	27,700JPY (with tax 30,470JPY)

NW/KF	ICF	VF	VG	ISO-K	A	T (glass thickness)	V (effective diameter)	H1	H2	G1	G2	Hole diameter(depth)	Number of holes	O-ring standard
40	-	-	-	-	55	3	32	12.7	-	-	-	-	-	-

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