Centering Ring

Buna (-B) 100oC maximum
Viton® (-V) 200oC maximum
Silicone (-S) 200oC maximum; chemical applications

CENTERING RING ASSEMBLY – 304 SS

PART NUMBER	BUNA N/SILICONE/VITON®	A	B	UNIT PRICE BUNA SILICONE VITON®
NW10-050-SR-	B, S, or V	.39	.21	$5.50 $8.50 $6.00
NW16-075-SR-	B, S, or V	.63	.21	$5.50 $8.50 $6.00
NW25-100-SR-	B, S, or V	.98	.21	$6.50 $8.50 $7.00
NW40-150-SR-	B, S, or V	1.53	.21	$8.00 $11.50 $10.50
NW50-200-SR-	B, S, or V	.1.97	.21	$11.00 $14.00 $14.00

Add B, S or V to the part number to state o-ring type

CENTERING RING ASSEMBLY – ALUMINUM

PART NUMBER	BUNA N/SILICONE/VITON®	A	B	UNIT PRICE BUNA SILICONE VITON®
NW10-050-AR-	B, S, or V	.39	.21	$3.50 $8.00 $5.50
NW16-075-AR-	B, S, or V	.63	.21	$3.50 $8.00 $5.50
NW25-100-AR-	B, S, or V	.98	.21	$4.50 $7.50 $6.50
NW40-150-AR-	B, S, or V	1.53	.21	$5.50 $10.50 $8.50
NW50-200-AR-	B, S, or V	.1.97	.21	$6.50 $11.00 $9.50

Add B, S or V to the part number to state o-ring type 

CENTERING RING ASSEMBLY – BRASS

PART NUMBER	BUNA N/SILICONE/VITON®	A	B	UNIT PRICE BUNA SILICONE VITON®
NW10-050-BR-	B, S, or V	.39	.21	$3.50 $8.00 $5.50
NW16-075-BR-	B, S, or V	.63	.21	$3.50 $6.00 $5.50
NW25-100-BR-	B, S, or V	.98	.21	$4.50 $7.00 $6.50
NW40-150-BR-	B, S, or V	1.53	.21	$5.50 $9.50 $8.00
NW50-200-BR-	B, S, or V	.1.97	.21	$6.50 $11.50 $10.50

Add B, S or V to the part number to state o-ring type

CENTERING RING ASSEMBLY – 304 STAINLESS STEEL WITH SCREEN

PART NUMBER	A	B	PRICE
NW10-050-SRV-SM	.31	.21	$27.00
NW16-075-SRV-SM	.50	.21	$27.00
NW25-100-SRV-SM	.86	.21	$30.00
NW40-150-SRV-SM	1.45	.21	$35.00
NW50-200-SRV-SM	.1.88	.21	$39.00

72 mesh stainless steel screen, includes viton® O-ring

OVER PRESSURE RING – 304 STAINLESS STEEL

PART NUMBER	A	B	MAX C	PSIG	UNIT PRICE
NW10-050-OPR	1.25	1.09	.14	100	$8.00
NW16-075-OPR	1.25	1.19	.35	100	$8.00
NW25-100-OPR	1.66	1.58	.35	100	$8.50
NW40-150-OPR	2.25	2.17	.35	75	$9.50
NW50-200-OPR	2.75	2.62	.15	50	$11.00

Provides support for o-ring when operating above ATM