STAINLESS STEEL VALVE
Transcript of STAINLESS STEEL VALVE
PK_31
Stainless steel valve are utilized in the chemical, petrochemical, food, paper, and pharmaceutical processing industries all over the world.
Investment casting shall be manufactured up to 1 1/2" for class 150 and 300.
Shell materials shall be in accordance with ASTM A351 Grade CF8M & CF8 and the others are optional.
Stainless steel valve are designed and manufactured in conformity with API, ANSI, BS and other standards recognized with quality meeting the stringent requirements for such industrial applications.
Stainless steel valve are specialized products through the processes of design, material selection, manufacturing, quality control, and experiences to final product.
INVESTMENT CASTING
PRODUCTION RANGE
VALVE SHELL MATERIALS
※At temperatures over 1000℉, use the material only when the carbon contents is 0.04% or higher.
A351 Gr. CF8
A351 Gr. CF8M
A351 Gr. CF3
A351 Gr. CF3M
A351 Gr. CF8C
A351 Gr. CN7M
A890 Gr 4A ( UNS J92205 )
A890 Gr 6A ( UNS J93380 )
1500℉ ( 816℃ )*
1500℉ ( 816℃ )*
800℉ ( 427℃ )
850℉ ( 454℃ )
1500℉ ( 816℃ )*
300℉ ( 149℃ )
600℉ ( 316℃ )
600℉ ( 316℃ )
ASTM DESIGNATION MAXIMUM WORKING TEMPERATURE℉(℃)
TYPECLASS 150 300
1/2-24
1/2-12
1/2-24
1/2-24
1/2-12
1/2-24
GATE
GLOBE
SWING CHECK
UNIT : NPS
STAINLESS STEEL VALVE
PK_35
Depending on service conditions, various materials are available optionally for flange gasket and stem packing.
PK adopts an H-shaped flexible wedge of which the size is 3" and larger for Class 150 and 2" and higher for Class 300/600. The H-shaped flexible wedges are featured with mechanical flexibility to be able to adjust to the shape of body seat for secure mutual contacts.It has a particular importance when large gate valve is applied to extremely high pressure and temperature that temporary deformation may occur in valve all the time.If the H-shape wedge is provided, operating torque would get smaller, seat wear less, and valve closing tighter.
A. Gasket materials
1. Glass fiber sheet2. Spiral wound material (Graphite or PTFE)3. PTFE4. Metal ring5. Graphite
B. Packing materials
1. PTFE2. Graphite3. Glass fiber sheet
OPTIONAL BONNET FLANGE GASKET MATERIAL
DESIGN FEATURES OF PK STAINLESS STEEL GATE VALVE WEDGES
2 1/2 & SMALLER 3 & LARGER
CLASS
ONE PIECE SOLID WEDGE FLEXIBLE ONE PIECE WEDGE
UNIT : NPS
150
300
600
1 & SMALLER
-
1 1/2 & LARGER
2 & LARGER
PK_54PK_36
PK_55
Globe valve adopts plug type disc. The bottom guide type plug disc shall be applied following the range shown below.
It is manufactured by two different ways depending on the valve size.
DESIGN FEATURES OF GLOBE VALVE DISC
DESIGN FEATURES OF GATE VALVE YOKE SLEEVE
8 AND LARGER300
CLASS SIZEUNIT : NPS
150 10 AND LARGER
5 AND SMALLER
TYPE A TYPE BUNIT : NPS
6 AND LARGER
Yoke caps type B is made of CS 1020+Zn plating.
8 AND LARGER300
CLASS SIZEUNIT : NPS
150 10 AND LARGER
5 AND SMALLER
TYPE A TYPE BUNIT : NPS
6 AND LARGER
PLUG DISC
BOTTOM GUIDETYPEPLUG DISC
TYPE A TYPE B
PK_37
On 10" and smaller valve, the yoke is integrated with bonnet.On 12" and larger valve, the yoke is separated from bonnet.
Hand wheels are made in accordance with ASTM A 197 for external dimension 560mm and ASTM A216 WCB for over 560mm. A hammer blow type hand wheel of ASTM A216 WCB is provided for Class 150 (size 8) VALVE and Class 300 and over valve (size 6")
DESIGN FEATURES OF GATE VALVE YOKE
DESIGN FEATURES OF VALVE HAND WHEELS
SIZE
Type A
BOLT
300
Type B FULL THREAD.BOLT & NUT300
6 AND LARGER
UNIT : NPS
3 AND LARGER
2 1/2 AND SMALLER
5 AND SMALLERHEX. HEAD
CLASS150
150
INTEGRAL YOKE SEPARATE YOKE
TYPE AHEX. HEADED BOLT
TYPE BSTUD BOLT
It is manufactured by two different ways depending on valve class and size.
DESIGN FEATURES OF VALVE BONNET BOLTS
PK_56PK_38
PK_57
DIMENSION AND WEIGHT
SIZEL
L1DH
WEIGHT(kg)
CLASS 150 UNIT : mm
1/2108.0108.0120208
6
3/4117.3117.3120208
6
1127.0127.0120226
6
1 1/2165.1165.1140285
9
2177.8215.916033312
2 1/2190.5241.316038418
3203.2282.420042423
4228.6304.825053135
6266.7403.431573062
8292.1419.1355938102
10330.2457.2355
1114147
12355.6501.7400
1317213
SIZEL
L1DH
WEIGHT(kg)
CLASS 300 UNIT : mm
1/2139.7139.7120208
8
3/4152.4152.4120211
8
1165.1165.1120279
8
1 1/2190.5190.520030616
2215.9215.920034618
2 1/2241.3241.320038829
3282.4282.422444739
4304.8304.825054254
6403.4403.4355758112
8419.1419.1400949202
10457.2457.2450
1152253
12501.7501.7500
1417390
L(RF), L1(BW)
H (O
PEN
)
øD
NO. PART NAME MATERIAL
GRAPHITE+GRAPHITE WITH INCONEL WIRESPIRAL WOUND / GRAPHITE+316+316
123456789
101112131415161718192021
A351 - CF8A351 - CF8A351 - CF8A479 - 304A197A351 - CF8A351 - CF8
A351 - CF8A193 - B8A194 - 8A479 - 304A479 - 304A193 - B8A194 - 8A576 - 1020+ZnA439 - D2C304 S.SSTEEL+ CrSTEEL+ Cr
A351 - CF8MA351 - CF8MA351 - CF8MA479 - 316A197A351 - CF8MA351 - CF8M
A351 - CF8A193 - B8A194 - 8A479 - 304A479 - 316A193 - B8A194 - 8A576 - 1020+ZnA439 - D2C304 S.SSTEEL+ CrSTEEL+ Cr
BODYBONNET WEDGESTEMHAND WHEELBODY SEATBACK SEATGASKETPACKINGGLAND FLANGEHINGE BOLTHINGE NUTHINGE PINPACKING GLANDBONNET BOLTBONNET NUTYOKE CAPYOKE SLEEVEHANDLE NUTSET SCREWNIPPLE
STANDARD MATERIAL SPECIFICATIONS
- R.F FLANGED ENDS TO ASME B16.5
- B.W. ENDS TO ASME B16.25
- R.T.J FLANGED ENDS TO ASME B16.5
- CONSULT US FOR LARGER SIZE
END CONNECTION
GATE VALVE
PK_39
- R.F FLANGED ENDS TO ASME B16.5
- B.W. ENDS TO ASME B16.25
- R.T.J FLANGED ENDS TO ASME B16.5
- CONSULT US FOR LARGER SIZE
END CONNECTION
GLOBE VALVE
L(RF), L1(BW)
H (O
PEN
)
øDNO. PART NAME MATERIAL
GRAPHITE+GRAPHITE WITH INCONEL WIRESPIRAL WOUND / GRAPHITE+316+316
123456789
1011121314151617181920
A351 - CF8A351 - CF8A351 - CF8A479 - 304A197A351 - CF8A351 - CF8
A351 - CF8A193 - B8A194 - 8A479 - 304A479 - 304A193 - B8A194 - 8A439 - D2CA479 - 304A194 - 8304 S.S
A351 - CF8MA351 - CF8MA351 - CF8MA479 - 316A197A351 - CF8MA351 - CF8M
A351 - CF8A193 - B8A194 - 8A479 - 304A479 - 316A193 - B8A194 - 8A439 - D2CA479 - 316A194 - 8304 S.S
BODYBONNET DISCSTEMHAND WHEELBODY SEATBACK SEATGASKETPACKINGGLAND FLANGEHINGE BOLTHINGE NUTHINGE PINPACKING GLANDBONNET BOLTBONNET NUTYOKE BUSHLOCK NUTHANDLE NUTWASHER
STANDARD MATERIAL SPECIFICATIONS
DIMENSION AND WEIGHT
SIZEL
L1DH
WEIGHT(kg)
CLASS 150 UNIT : mm1/2
108.0108.0100174
4
3/4117.3117.3100174
4
1127.0127.0140224
4
1 1/2165.1165.116025910
2203.2203.216026613
2 1/2215.9215.920028121
3241.3241.322434227
4292.1292.128037742
6406.4406.435542976
8495.3495.3355558149
10622.3622.3400740241
12698.5698.5400803395
SIZEL
L1DH
WEIGHT(kg)
CLASS 300 UNIT : mm1/2
152.4152.4100185
9
3/4177.8177.8100194
9
1203.2203.2140224
9
1 1/2228.6228.616026715
2266.7266.716032917
2 1/2292.1292.120035433
3317.5317.522438334
4355.6355.628044346
6444.5444.5355567125
8558.8558.8400625218
10622.3622.3450881367
12711.2711.2500989521
PK_58PK_40
PK_59
DIMENSION AND WEIGHT
SIZEL
L1H
WEIGHT(kg)
CLASS 150 UNIT : mm
1/2108.0108.0
855
3/4117.3117.3
895
1127.0127.0102
5
1 1/2165.1165.112011
2203.2203.213813
2 1/2215.9215.915518
3241.3241.316022
4292.1292.120136
6355.6355.624862
8495.3495.3293119
10622.3622.3330155
12698.5698.5354235
SIZEL
L1H
WEIGHT(kg)
1/2152.4152.4
9310
3/4177.8177.8
9610
1215.9215.911210
1 1/2241.3241.312614
2266.7266.715219
2 1/2292.1292.116425
3317.5317.517633
4355.6355.618653
6444.5444.5262109
8533.4533.4312199
10622.3622.3355231
12711.2711.2393308
CLASS 300 UNIT : mm
L(RF), L1(BW)
H
NO. PART NAME MATERIAL123456789
1011121314
A351 - CF8A351 - CF8A351 - CF8A351 - CF8A479 - 304A351 - CF8A479 - 304
304 S.SA193 - B8A194 - 8A194 - 8304 S.SA240 - 304
A351 - CF8MA351 - CF8MA351 - CF8MA351 - CF8MA479 - 304A351 - CF8MA479 - 304
304 S.SA193 - B8A194 - 8A194 - 8M304 S.SA240 - 304
BODYBONNET DISCARMROD PINBODY SEAT RINGPLUG BOLTGASKETPLUG GASKETBONNET BOLTBONNET NUTDISC NUTPINWASHER
SPIRAL WOUND / GRAPHITE+316+316
STANDARD MATERIAL SPECIFICATIONS
SWING CHECK VALVE
- R.F FLANGED ENDS TO ASME B16.5
- B.W. ENDS TO ASME B16.25
- R.T.J FLANGED ENDS TO ASME B16.5
- CONSULT US FOR LARGER SIZE
END CONNECTION
PK_41