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Material to UNS S31254 (and the other specifications listed in our technical datasheet) is described as a 6% Mo super austenitic stainless steel. Compact Flanges (RCF ), NORSOK L005 , A182 F316/316L, F51, F53, F55, Inconel 625, Incoloy 825, A105, A350 LF2, LF52-70
Carbon & Low Temperature
Chromiun
Stainless & Duplex
Copper& Bronze
Titanium
Ni-Alloy
A105 /A105N
A182-F1
A182-F304
A182-F347H
SB151-C70600
SB381-GR.F1
B564-NO2200
A516-GR.70
A182-F11
A182-F304L
A182-F904L
SB151-C71500
SB381-GR.F3
B564-NO6022
A350-LF2
A182-F12
A182-F304H
A182-F44
SB151-C71520
SB381-GR.F5
B564-N10276
A182-F22
A182-F304N
A182-F51
C44300
B564-NO4400
A182-F5
A182-F309S
A182-F53
C68700
B564-NO6600
A182-F9
A182-F310S
A182-F55
C71640
B564-NO6601
A182-F91
A182-F310H
A182-F60
B564-NO6625
A182-F316
B564-NO8800
A182-F316L
B564-NO8810
A182-F316Ti
B564-NO8811
A182-F316H
B564-NO8825
A182-F317L
B564-N10665
A182-F321
B564-N10675
A182-F321H
B160-NO2201
A182-F347
B462-NO8020
RCF NORSOK NCF5 Series
Based on NORSOK L005 code, suitable for critical sealing applications with high thermal expansion, cyclic loading such as Risers, single point mooring systems, manifolds, X-Trees, subsea pipelines, heat exchangers and a multitude of process piping systems.
RCF Advantage
Space saving
Weight saving up to 70%~80% than ANSI flanges
Double Independent Seals make it er
Positive sealing method
Integrated sealing system (both inside and outside)
Larger range in design temperature and pressure
RCF Working Principle
The RCF compact flange design principle is that the flange face includes two independent seals. The first seal is created by application of seal seating stress at the flange heel. The main seal is the IX seal ring. The seal ring force is provided by the elastic stored energy in the stressed seal ring. Any heel leakage will give internal pressure acting on the seal ring inside intensifying the sealing action.
RCF Size and Pressure Rating
1/2”~48” in size and Class 150# to 2500# in pressure rating.
Bigger size and higher pressure rating on request.
RCF IX seal ring, axial forces are exerted on the taper of the metal seal ring and translated into a radial sealing force. Furthermore with increased pre-load, the bevel is closed and face to face contact is achieved at the outer wedge while most of the bolt pre-load is transferred as compressive forces between the flange faces at the heel.
RCF Design and Verification
Yuhong Special Steel provides calculation service based on ASME section VIII Division 1, 2 and 3. Also we have ANSYS software engineers to do the analysis and design verification
YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9...
YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9...
