Nor-Cal Products, Inc. - NW Stainless Steel Centering Rings with O-ring

NW Stainless Steel Centering Rings with O-ring

Model Number	O-Ring Material	A	B
NW-10-CR-SB	Buna	0.478	0.456
NW-10-CR-SS	Silicone	0.478	0.456
NW-10-CR-SV	Viton	0.478	0.456
NW-16-CR-SB	Buna	0.669	0.625
NW-16-CR-SS	Silicone	0.669	0.625
NW-16-CR-SV	Viton	0.669	0.625
NW-25-CR-SB	Buna	1.024	0.984
NW-25-CR-SS	Silicone	1.024	0.984
NW-25-CR-SV	Viton	1.024	0.984
NW-40-CR-SB	Buna	1.614	1.570
NW-40-CR-SS	Silicone	1.614	1.570
NW-40-CR-SV	Viton	1.614	1.570
NW-50-CR-SB	Buna	2.047	1.967
NW-50-CR-SS	Silicone	2.047	1.967
NW-50-CR-SV	Viton	2.047	1.967

SPECIFICATIONS

Tube OD sizes: 3/8 to 2 inches
Materials
Flange: 304 or 316L stainless steel
O-rings: Viton, Buna, & silicone
Fasteners: Wingnut, SureSeal,
bulkhead & EVAC clamps
Vacuum range
Elastomer seal: >=1 x 10^-8 Torr - High vacuum
EVAC metal seal: >=1 x 10^-11 Torr - UHV
Temperature range
Viton: -20�C to 200�C
Silicone: -50�C to 230�C
Buna: -30�C to 110�C
EVAC metal seal: -270�C to 150�C

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