BS Stock No. 2203-512

$0.00

GASKET SPIRAL WOUND S.S. 300LB. 6"
Item Specifications: GASKETS,SPIRAL WOUND,NO MOD,NO MOD
DESIGN SPEC: ASME B16.20
MAT SPEC, CENTRING RING: ASTM A285 GR C
MAT SPEC, WINDINGS: ASTM A240
MAT, CENTRING RING: CARBON STEEL
MAT, FILLER: 95% MIN PURITY GRAPHITE OR CERAMIC FIBER
MAT, WINDINGS: SS316L
PRESSURE DESIGNATION: ASME CL 300
SHAPE: CIRCULAR
SIZE, PIPE, NOMINAL: 6 IN
THICKNESS, CENTRING RING: 1/8 IN
THICKNESS, GASKET: 0.175 IN
DESIGN SPEC, FLANGE(S): ANSI B16.5
MANDATORY ADD REQRMTS: TO COMPLY WITH KNPC ENG STD 50P1 AND 50A2
TEMPERATURE RANGE: -250 TO 550 DEGC
"KNPC Refinery First Level Leak Free Joints Committee.
Spiral wound Gaskets shall be 100% Flexible Graphite filled, 0.175 in thick as per ANSI B 16.20, or specified dimensions, carbon steel outer center compression ring, inner ring material same as winding material of
thicknesses 1/8 in.
Spiral Wound Material = SS316L
Maximum Hardness = 160 Brinell
Nominal size = 6""
Rating of Gasket = 300 Lb. Class

2. Flexible graphite specification is as below
Density : 70lb/ft3 + or - 10lb/ft3
carbon content : 98wt% min.
Leachable chlorides : 50 ppm max.
Total sulfur : 500 ppm max.