Base Well Chambers Bell Jar Systems Baseplate & Wells

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Bell Jar Systems - Baseplate & Base Wells

Base Well

Features
2-3/4" Del-Seal ™ CF flange or Kwik-Flange ™ KF NW 40 port connections on Base Wells Standard ASA pump port flange, with optional Del-Seal ™ CF or ISO Large-Flange ™ LF port All type 304 stainless steel construction Elastomer seal surface

Description
Installation of a Baseplate is made by positioning a Bell Jar or Feedthrough Collar directly on top of it. The bell jar-to-baseplate seal is made with either a Viton ® L-gasket or O-ring, depending on which Bell Jar or Feedthrough model is used.
Standard MDC Base Wells are the integral combination of a Feedthrough Collar and a Baseplate, and eliminate one vacuum seal with a weld. Base Wells add four, eight, or eighteen convenient feedthrough ports to bell jar vacuum systems. These ports accept a variety of feedthrough devices and other components mounted on mating Del-Seal ™ CF 2-3/4" flanges or Kwik-Flange ™ KF NW40 sizes. If access ports are not required, Bell Jars can be mounted directly on Baseplates. Both Baseplates and Base Wells connect to the vacuum pumping system with a choice of standard smooth face ASA ANSI flange, or optional Del-Seal ™ CF metal seal flange or Large-Flange ™ LF bolt-style.
Seals for any flanges or ports are not included with Baseplates or Base Wells. For pump port flange or side port flanges, refer to individual flange specifications.

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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

SIDE PORTS	NOMINAL SIZE	PUMP PORT	NO. PORTS	PORT FLG. O.D.	ISO REF.	A	B	WT LB	Part Number	UOM	List Price	Net Price	Lead Time	Qty
DEL-SEAL	24	ANSI-6	8	2.73	-	26	23	250	523007 REF# BW-24	EACH	---- Call 510-265-3500 ----
KWIK-FLANGE	24	ANSI-6	8	2.16	NW40	26	23	237	523056 REF# BW-K150-24	EACH	$6,048.00	$6,048.00	35 days
DEL-SEAL	12	ANSI-4	4	2.73	-	14	11	80	523005 REF# BW-12	EACH	---- Call 510-265-3500 ----
DEL-SEAL	18	ANSI-6	8	2.73	-	20	16	160	523006 REF# BW-18	EACH	---- Call 510-265-3500 ----
KWIK-FLANGE	12	ANSI-4	4	2.16	NW40	14	11	77	523050 REF# BW-K150-12	EACH	---- Call 510-265-3500 ----
KWIK-FLANGE	18	ANSI-6	8	2.16	NW40	20	16	154	523053 REF# BW-K150-18	EACH	---- Call 510-265-3500 ----

Pump Port Options

Del-Seal™ CF

vacuum

Provides mating flange to metal-sealed port on vacuum pump. Optional elastomer seals available.

Nominal Size	Option Number	MDC Ref.	Flange Dia.	Flange Thk.	No. Holes	Hole Dia.	Bolt Circle
12	-01	F800600	7.97	.880	20	.332	7.128
18 & 24	-03	F1000800	9.97	.970	24	.332	9.128

Large-Flange™ LF

Provides mating flange to standard ISO port on vacuum pump.

Nominal Size	Option Number	ISO Ref.	Flange Dia.	Flange Thk.	No. Holes	Hole Dia.	Bolt Circle
12	-02	NW160	8.86	.63	8	.43	7.87
18 & 24	-04	NW200	11.22	.63	12	.43	10.24

When ordering options, add the option number to the standard part number listed above. Example 523008-01

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