Pyrex on Weldable 4-inch tube Viewports

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Viewports - Weldable Pyrex

Pyrex on Weldable 4-inch tube

Features
Weld neck, 4-inch O.D. Pyrex® 7740 borosilicate optical glass 4-inch diameter nominal viewing area Type 304 stainless steel mounting Viton® O-ring seal Replaceable glass
Description Economical visual quality viewport used on high vacuum chambers. Weldable configuration allows installation on a custom built stainless steel chamber. The replaceable viewport glass is captured between two elastomer O-rings. The viewport can be easily disassembled by removing four screws from the retainer ring.

Insulator Seal (ISI) brand catalog and custom engineered ceramic to metal seal products are manufactured to ISO 9001:2008 standard utilizing our qualified hermetic brazing and joining processes.

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All "In Stock" parts ships same business day as ordered. Lead Time indicates business days. Please Note that cut off time for same day shipment is 1:30 p.m. Pacific Standard Time. Prices and specifications are subject to change without notice. See full terms of sale here.

Drawings download if available are indicated by in the Part Number column. Click on to go to Downloads Page

DESCRIPTION	WEIGHT LBS	Part Number	UOM	List Price	Net Price	Lead Time	Qty
PYREX VIEWPORT WITH 4" O.D. WILD NECK	3	450010 REF# PVP-4	EACH	$444.00	$444.00	In Stock

Spare Parts:

Description Part Number

Replacement glass, 7740, Pyrex Optical 5" O.D. 045010

Bolt, Socket Head Stainless Steel, .250-28 x 1" Long (4 Pack) 190166

O-Ring, Glass-to-Flange 041346

O-Ring, Glass-to-Retainer 041243

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