Blind Flanges
FlANGE Face Type:Flate Face(FF),Raised Face(RF),Ring Type Joint(RTJ)，male and female，etc.
Size:1/2″(15 NB)to 48″(1200NB)
A Blind Flange has no bore, and is used to close ends of piping systems. A blind flange also permits easy access to a line ones it has been sealed. The blind flange is sometimes machined to accept a pipe of the nominal Size to which reduction is being made. The reduction can be either threaded or welded.
Materials
Titanium Flanges:Gr1 / Gr2 / Gr3 /Gr4 / GR5/ Gr7 /Gr9 /Gr11 / Gr12
Alloy Steel: ASTM A182 Grade F1 / F5 / F9 / F11 / F22 / F91
Carbon Steel: ASTM A105 / A105N/A350, ASTM A694 Grade F42 / F46 / F52 / F56 /F60 / F65 / F70
Stainless Steel: ASTM A182 Grade F304 / F304L / F316/ F316L / F310 / F309 / F317L / F321 / F904L / F347
Duplex Stainless Steel: ASTM A182 Grade F44 / F45 / F51 / F53 / F55 / F61 / F60
Nickel Alloys: ASTM B472、ASTM B564、 ASTM B160、Monel 400、Monel K-500、Nickel 200、Inconel 800H/HT、Inconel 825、Inconel 601、Inconel 625、 Inconel 600、Hastelloy C276、Alloy 31
Copper Alloys: ASTM B61 / B152 / B151 / B62
Standards
ANSI B16.5 Class150、300、600、900、1500 (WN,SO,BL,TH,LJ,SW)
DIN2573,2572,2631,2576,2632,2633,2543,2634,2545 (PL,SO,WN,BL,TH)
Dimensions:ANSI B16.5,EN1092-1, BS4504, JIS B2220,GOST, ANSI B16.47 Series A & B,MSS SP44,API-605,Custom Drawings.
Standard Specificaton For BLIND raised face Flanges.
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