CLASS 252120

DEP 31.38.01.12-Gen Class 252120, rev. C page 1Issue date:

Design limits

Temperature (F)-20 100 200 300 400 500 600 700 800 900 932

Pressure (psig)NPS - 6 5279 5279 5072 4903 4748 4641 4494 4247 3950 3087 2533

Notes- Design limits acc. to ASME B16.5 flange rating mat. grp 1.9 and ASME B31.3 allowable internal pressure- For bending of pipe see DEP 31.38.01.31-Gen.- For basis of design see DEP 31.38.01.10-Gen.- Welds, attachment welds and cold formed piping parts shall be post-weld heat treated;

see DEP 30.10.60.18-Gen. and DEP 31.38.01.31-Gen.- This piping class is designed for hydrogen service as defined in DEP 31.38.01.31-Gen.- Piston type check valves (DN 15-40) (NPS -1 ) for horizontal mounting only

Table of schedules

NPS Schedule1/2 XXS3/4 XXS

1 XXS1 XXS

2 XXS3 XXS4 XXS6 1.024

Branch connections 90 degrees

Branch SizeRunsize

1/2 3/4 1 1 2 3 4 6

6 C C C C E B B A4 C C C C B B A3 C C C C B A2 C C B B A1 C B B A1 B B A3/4 B A1/2 A

Code Explanation of charactersA Equal teeB Reducing teeC Branch fittingE Branch outlet

Alloy steel 1.25Cr-0.5Mo PWHT PlantClass no. 252120 ConsigneeASME rating CLASS 2500 Engineered byCorrosion allowance 1 mm, 0.04 in PrincipalRevision letter C Contr. job no.Revision date 01/2012 Project no.

DEP 31.38.01.12-Gen Class 252120, rev. C page 2Issue date:

COMPONENT MATERIAL DESCRIPTION(For full material description see relevant MESC buying description.)

Pipe

PIPE Pipe NPS 1/2-4 ASTM A335-P11PIPE Pipe NPS 6-6 ASTM A691-1.25Cr cl 22

Flanges

BLFL Blind flange NPS 1/2-6 ASTM A182-F11 cl 2LJFL Lap joint flange --- ASTM A182-F11 cl 2SBFL Spectacle blind NPS 1/2-6 ASTM A387-11 cl 2SPFL Spade NPS 1/2-6 ASTM A387-11 cl 2SPRT Spacer ring NPS 1/2-6 ASTM A387-11 cl 2WNFL Welding neck flange NPS 1/2-6 ASTM A182-F11 cl 2

Fittings

CAPB Cap bw NPS 1/2-6 ASTM A234-WP11E45B Elbow 45 deg LR bw NPS 1/2-6 ASTM A234-WP11E90B Elbow 90 deg LR bw NPS 1/2-6 ASTM A234-WP11TEEB Tee equal bw NPS 1/2-6 ASTM A234-WP11

Reducing fittings

BNIB Branch fitting bw NPS 1-6 ASTM A182-F11 cl 2BNIF Branch fitting flgd NPS 1-6 ASTM A182-F11 cl 2BROB Branch outlet bw NPS 6-6 ASTM A182-F11 cl 2RECB Reducer concentric bw NPS 3/4-6 ASTM A234-WP11REEB Reducer eccentric bw NPS 3/4-6 ASTM A234-WP11TERB Tee reducing bw NPS 3/4-6 ASTM A234-WP11

Valves

CHVF Check valve flgd NPS 1/2-6 Body: ASTM A182-F11 cl 2/A217-WC6Trim: AISI 316, Stellite

GAVB Gate valve bw NPS 3/4-6 Body: ASTM A182-F11 cl 2/A217-WC6Trim: AISI 316, Stellite

GAVB Gate valve bw NPS 6-6 ASTM A234-WP11GLVB Globe valve bw NPS 1/2-4 Body: ASTM A182-F11 cl 2/A217-WC6

Trim: AISI 316, Stellite

Instruments

TWHD Thermowell flgd NPS 2 NPS 2-2 AISI 316TWHL Thermowell flgd NPS 2 L=10 --- AISI 316TWHS Thermowell flgd NPS 2 L=9 --- AISI 316

Miscellaneous

GKSW Gasket spiral wound NPS 1/2-6 AISI 321, Graphite + anti oxidation inhCS centring- /SS inner ring

ORFS Orifice flange set NPS 2-6 ASTM A182-F11 cl 2STBT Studbolt with nuts --- EN 10269 grade 20CrMoVTiB4-10

DEP 31.38.01.12-Gen Class 252120, rev. C page 3Issue date:

PIPING COMPONENTS

Nominal pipe size1/2 3/4 1 1 2 3 4 6

Item description MESC

Pipe

Pipe 743311 0 231 311 391 551 631 711 801 911

FlangesBlind flange 766410 5081 5121 5161 5181 5201 5221 5241 5261Spacer ring 768818 4581 4621 4661 4681 4701 4721 4741 4761Spade 768844 2021 2041 2061 2081 2101 2121 2141 2161Spectacle blind 768807 6581 6621 6661 6681 6701 6721 6741 6761Welding neck flange 766479 9301 9321 9341 9361 9381 9401 9421 9601

FittingsCap bw 763218 0121 0171 0211 0301 0401 0501 0621 0701Elbow 45 deg LR bw 763238 0121 0171 0211 0301 0401 0501 0621 0701Elbow 90 deg LR bw 763239 3811 3911 4011 4111 4211 4311 4421 4501Tee equal bw 763284 0121 0171 0211 0301 0401 0501 0621 0701

ValvesCheck valve flgd 771366 2531 2541 2551 2571 2581 2601 2621 2641Gate valve bw 772465 2581 2601 2621 2801Gate valve bw 772475 0541 0551 0571Globe valve bw 773465 2581 2601 2621Globe valve bw 773475 5031 5041 5051 5071

MiscellaneousGasket spiral wound 854158 5541 5561 5581 5621 5641 5681 5701 5741Orifice flange set 766491 9011 9031 9051 9071

DEP 31.38.01.12-Gen Class 252120, rev. C page 4Issue date:

REDUCING/PIPING COMPONENTS

Run x Br BROB RECB REEB TERB3/4 x 1/2 7632680041 7632690041 7632860051

1 x 1/2 7632680141 7632690141 76328601311 x 3/4 7632680241 7632690241 7632860231

1 x 1/2 7632680341 76326903411 x 3/4 7632680441 7632690441 76328603711 x 1 7632680541 7632690541 7632860461

2 x 3/4 7632680701 76326907012 x 1 7632680741 7632690741 76328606512 x 1 7632680841 7632690841 76328607313 x 1 7632680941 76326909413 x 2 7632681041 7632691041 76328608514 x 1 7632681241 76326912414 x 2 7632681281 7632691281 76328610014 x 3 7632681431 7632691431 76328611416 x 2 76792749716 x 3 7632681621 7632691621 76328612716 x 4 7632681821 7632691821 7632861361

Comp.name DescriptionBNIB Branch fitting bwBNIF Branch fitting flgdBROB Branch outlet bwRECB Reducer concentric bwREEB Reducer eccentric bwTERB Tee reducing bw

Thermowell flgd NPS 2Length MESC number9 768338061110 7683380621

Branch Run pipe BNIB BNIF1/2 1 - 6 7680319561 76808550113/4 2 - 2 7680319571 76808550213/4 3 - 6 7680319581 76808550311 3 - 6 7680319601 76808550511 3 - 3 7680319631 76808550711 4 - 6 7680319651 76808550812 3 - 3 76808551112 4 - 6 7680855121

DEP 31.38.01.12-Gen Class 252120, rev. C page 5Issue date:

BOLTING

Std boltset stand flg [h]NPS nr inch x inch MESC number1/2 4 3/4 x 5 1/4 81383014713/4 4 3/4 x 5 1/4 81383014711 4 7/8 x 5 3/4 81383022011 4 1 1/8 x 7 1/4 81383039012 8 1 x 7 1/4 81383030713 8 1 1/4 x 9 1/4 81383048014 8 1 1/2 x 12 81383064316 8 2 x 15 3/4 8138309011

Std boltset orificeflg[h]NPS nr inch x inch MESC number2 8 1 x 7 1/2 81383030913 8 1 1/4 x 9 1/2 81383048214 8 1 1/2 x 12 1/4 81383064516 8 2 x 16 1/4 8138309031

Std boltset blind/spc [h]NPS nr inch x inch MESC number1/2 4 3/4 x 5 3/4 81383014913/4 4 3/4 x 5 3/4 81383014911 4 7/8 x 6 1/2 81383022411 4 1 1/8 x 7 1/2 81383039212 8 1 x 8 81383031113 8 1 1/4 x 10 1/4 81383048614 8 1 1/2 x 13 81383064916 8 2 x 17 3/4 8138309111

DEP 31.38.01.12-Gen Class 252120, rev. C page 6Issue date:

ASSEMBLIES

Drain or vent point NPS 1/2 Fig.I NPS 1/2 - 1/2Branch: according to branch tableBlind flange 1 7664105081Welding neck flange 1 7664799301Gasket spiral wound 1 8541585541Studbolt with nuts 4 8138301471

Drain or vent point NPS 3/4 Fig.I NPS 3/4 - 1Branch: according to branch tableBlind flange 1 7664105121Welding neck flange 1 7664799321Gasket spiral wound 1 8541585561Studbolt with nuts 4 8138301471

Drain or vent point NPS 3/4 Fig.H NPS 2 - 2Branch: branch nipple flangedBlind flange 1 7664105121Gasket spiral wound 1 8541585561Studbolt with nuts 4 8138301471

Drain or vent point NPS 1 Fig.H NPS 3 - 6Branch: branch nipple flangedBlind flange 1 7664105161Gasket spiral wound 1 8541585581Studbolt with nuts 4 8138302201

Pressure instr conn NPS 1/2 Fig.0U NPS 1/2 - 6Branch: according to branch tableGlobe valve bw 2 7734755031Lap joint flange 1 7664203081Pipe 1 7433110231Welding neck flange 1 7664799301Gasket spiral wound 1 8541585541Studbolt with nuts 4 8138301471

Temp instr conn NPS 2 Fig.HS NPS 3 - 4Branch: branch nipple flangedLap joint flange 1 7664203201Gasket spiral wound 1 8541585641Thermowell flgd NPS 2 L=9 inch 1 7683380611Studbolt with nuts 8 8138303111

Temp instr conn NPS 2 Fig.HL NPS 6 - 6Branch: branch nipple flangedLap joint flange 1 7664203201Gasket spiral wound 1 8541585641Thermowell flgd NPS 2 L=10 inch 1 7683380621Studbolt with nuts 8 8138303111