Flange Washer
Flange Washer
Flange Washer
Flange Washer

Flange Washer

Face finish: The finish on the face of flange is measured as an Arithmetical Average Roughness Height(AARH). The finish is determined by the standard used. For example, ANSI B16.5 specifies face finishes within a range 125AARH-500AARH(3.2Ra to 12.5Ra). Other finishes are available on requst, for example 1.6 Ra max,1.6/3.2 Ra, 3.2/6.3Ra or 6.3/12.5Ra. The range 3.2/6.3Ra is most common.

Product Introduction

ITEM	STANDARD	STNDARD CODE	PRESSURE RATE	TYPE	SIZE
1	American standard	ANSI B16.5	Class 150,300,600, 900,1500,2500	WN, SW,SO,BL, TH,LWN	1/2"-24"
		ANSI B16.36	Class 150,300,600, 900,1500,2500	WN, SO, TH	1/2"-24"
		AWWA	Class B D E F	RING(HUB) flange	3"-144"
		ASEM B16.47	Class 150,300,600,900	WN, BL	26"-60"
2	British standard	BS4504	PN6,10,16,25,40	WN,SO,PL,BL	DN10-DN2000
3	European standard	EN1092	PN2,5,6,25,40,100, 160,250,320,400	WN,SO,PL,BL	DN10-DN4000
4	Japanese standard	JIS B2210	5K, 10K, 16K, 30K	SOP(PL,BL), SOH, (SO A,B,C), WN	10A-1500A
5	Italy	UNI 6091-6099 UNI 2280-2286 UNI 2253-2257	PN6,25,40,100, 160,250,320,400	BL,WN,PL,SO	DN15-500
6	Germany	DIN	PN2,5,6,10,16, 25,40,64,100,160	SO,BL,PL,WN, LOOSE,TH	DN10-4000

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20# Flange

Blind Flange

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