Flowserve BTV 2000 Lined Butterfly Valve - Manual (Page 4)

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TABLE 1
Cap Screws-Studs
HHCS - Finished Heavy Hex Head Cap Screw
HCS - Finished Hex Head Cap Screw
SCS - Socket Head Cap Screw
STUD - Stud
SCYC - Socket Head Cap Screws for Retainer plates per ASTM A574-
4037 Alloy Steel, Yellow Zinc Dichromate Plated
Dimensions per ANSI B18.2.1
Alloy identification stamp required on each piece.
Certification required.
Alloy Specification (40 KSI Minimum Yield Strength,
12% Min. El.)
ASTM Material Specifications
B840 - 304 Stainless Steel per ASTM A193, Grade 8B, Class 1, 40
KSI Min. Yield Strength, 12% Min. El.
B7 - Chromium - Molybdenum Alloy Steel per ASTM A193, Grade
B7
B7M - Chromium - Molybdenum Alloy Steel per ASTM A193,
Grade B7M, 100% hardness tested
B7MT - Chromium - Molybdenum Alloy Steel per ASTM A193,
Grade B7M, 100% hardness tested, PTFE coated, DuPont
SP11C, type B - Color blue or green.
B8M - 316 Stainless Steel per ASTM A193, Grade B8M, Class 1,
40 KSI Min. Yield Strength, 12% Min. El.
B8C2 - 304 Stainless Steel per ASTM A193, Grade B8, Class 2.
C20 - Carpenter C20, CB-3 (UNS N08020), ASTM B473, 40 KSI
Min. Yield Strength, 12% Min. El.
HC - Hastelloy C276 (UNS N10276), ASTM B574
I625 - Inconel 625 (UNS N006625), ASTM B446
I825 - Incoloy 825 (UNS N08825), ASTM B425, 40 KSI Min. Yield
Strength, 12% Min. El.
IN - Inconel 600 (UNS N0660), ASTM B166, 40 KSI Min. Yield
Strength, 12% Min. El.
M - Monel (UNS N04400), ASTM B164, Class A or B, 40 KSI Min.
Yield Strength, 12% Min. El.
HB - Hastelloy B (UNS 10665), ASTM B335
I718 - Incoloy 718, AMS 5596B
MKH - Monel K-500, Cold drawn and aged hardened, QQN-286
and ASTM F468
L7 - Chromium-Molybdenum Alloy Steel per ASTM A320, Grade
L7
L7M - Chromium-Molybdenum Alloy Steel per ASTM A320, Grade
L7M, 100% hardness tested
L7T - Chromium-Molybdenum Alloy Steel per ASTM A320, Grade
L7, PTFE coated, DuPont SP11C, Type B - Color blue or green
L7MT - Chromium-Molybdenum Alloy Steel per ASTM A320,
Grade L7M, 100% hardness tested, PTFE coated, DuPont
SP11C, Type B - Color blue or green.
N - Nickel per ASTM B160 (UNS N0220), 40 KSI Min. Yield
Strength, 12% Min. El.
B7YC - Chromium-Molybdenum Steel per A193, Grade B7, Yellow
Zinc Dichromate Plated
TABLE 2
Nuts
HN - Finished Heavy Hex Nut
XN - Finished Hex Nut
HXN - Regular Heavy Hex Nut
Dimensions per ANSI B18.2.2
Alloy identification stamp is required on each piece.
Certification required.
ASTM Material Specifications
8 - 304 Stainless Steel per ASTM A194, Grade 8
8M - 316 Stainless Steel per ASTM A194, Grade 8M
2H - ASTM A194, Grade 2H
2HM - ASTM A194, Grade 2HM
7M - ASTM A194, Grade 7M, 100% hardness tested
7MT - ASTM A194, Grade 7M, 100% hardness tested, PTFE
coated, DuPont SP11C, Type B - Color blue or green
M - Monel (UNS N04400), ASTM B164, Class A or B, or QQN-
281, Class B
HB - Hastelloy B (UNS N10665), ASTM B335
HC - Hastelloy C276 (UNS N10276), ASTM B574
I625 - Inconel 625 (UNS N06625), ASTM B446
I718 - Incoloy 718, AMS 5596B
I825 - Incoloy 825 (UNS N08825), ASTM B425
L7 - Chromium-Molybdenum Alloy Steel per ASTM A194,
Grade 7
L7M - Chromium-Molybdenum Alloy Steel per ASTM A194,
Grade 7M, 235 BHN Max, ASTM A320, Section 9
MKH - Monel K-500, Cold drawn and aged hardened, QQN-286
and ASTM F467
8F - 303 Stainless Steel per ASTM A194, Grade 8F
2HYC - ASTM A194, Grade 2H, Yellow Zinc Dichromate Plated
4
BTV/BUV 2000