美標(biāo)閥門一般都是采用英寸表示,例:Flanged Globe Valve 150# RF,GLOBE
VAvle 球形閥,150# RF 為壓力等級(jí)150磅約合PN2.5MPa 凸面法蘭,前面的FLange 表示為法蘭式 即為法蘭連接,例如8"150#
表示8寸150磅即DN200 PN2.5MPa法蘭對(duì)應(yīng)美標(biāo)是flange 8“CL150#RF如果是DN80則是3"。
美標(biāo)閥門型號(hào)編制大全:
注*:只有“連接型式”中為BW時(shí)才有此項(xiàng)
①美標(biāo)閥門類別代號(hào):
(表1.4.1-1)類別代號(hào)
代號(hào)
|
類別及應(yīng)用標(biāo)準(zhǔn)
|
代號(hào)
|
類別
|
Z
|
閘閥/GATE VALVE (API600/API602/API603)
|
H
|
止回閥/CHECK VALVE (API600M/API602M./API603M/API594)
|
J
|
截止閥/GLOBE VALVE (API600M/API602M/API603M)
|
N
|
針型閥/NEEDLE GLOBE VALVE (API602M)
|
Y
|
儀表測(cè)壓閥(API602M)
|
|
|
注:每個(gè)閥門采用什么標(biāo)準(zhǔn)由“結(jié)構(gòu)型式”確定。
②美標(biāo)閥門壓力等級(jí)代號(hào):
(表1.4.1-2)壓力等級(jí)代號(hào)
代號(hào)
|
壓力等級(jí)
|
應(yīng)用墊片
|
應(yīng)用螺栓/螺母
|
|
PN(公制)
|
CL(磅制)
|
(較低要求)
|
(較低要求)
|
1
|
1.0
|
|
石棉墊片
|
35#/25#;35CrMoA/35#
|
1a
|
1.0
|
|
石棉墊片
|
35#/25#;35CrMoA/35#
|
2
|
2.0
|
150
|
石棉墊片,纏繞墊片
|
35#/25#;35CrMoA/35#
|
2a
|
1.6
|
|
石棉墊片,纏繞墊片
|
35#/25#;35CrMoA/35#
|
3
|
5.0
|
300
|
纏繞墊片
|
35CrMoA/35#;25Cr2MoVA/35CrMo;
|
|
|
|
|
0Cr18Ni9/0Cr18Ni9
|
3a
|
2.5
|
|
纏繞墊片
|
35CrMoA/35#;25Cr2MoVA/35CrMo;
|
|
|
|
|
0Cr18Ni9/0Cr18Ni9
|
4
|
6.8
|
400
|
纏繞墊片
|
35CrMoA/35#;25Cr2MoVA/35CrMo;
|
|
|
|
|
0Cr18Ni9/0Cr18Ni9
|
4a
|
4.0
|
|
纏繞墊片
|
35CrMoA/35#;25Cr2MoVA/35CrMo;
|
|
(MF)
|
|
|
0Cr18Ni9/0Cr18Ni9
|
5
|
10.0
|
600
|
纏繞墊片,八角形金屬墊片
|
35CrMoA/35#;25Cr2MoVA/35CrMo;
|
|
|
|
/OCTAGON TYPE RING
|
0Cr18Ni9/0Cr18Ni9
|
5a
|
6.3
|
600
|
纏繞墊片,
|
35CrMoA/35#;25Cr2MoVA/35CrMo;
|
|
(MF)
|
|
|
0Cr18Ni9/0Cr18Ni9
|
6
|
|
800
|
纏繞墊片
|
35CrMoA/35#;25Cr2MoVA/35CrMo;
|
|
|
|
|
0Cr18Ni9/0Cr18Ni9
|
7
|
15.0
|
900
|
八角形金屬墊片/OCTAGON TYPE
|
ASTM A194 B7/A194 2H;ASTM A194
|
|
|
|
RING(或缺省)
|
B16/A194 4;ASTM A453 660A/A194 8C
|
8
|
25.0
|
1500
|
八角形金屬墊片/OCTAGON TYPE
|
ASTM A194 B7/A194 2H;ASTM A194
|
|
|
|
RING(或缺省)
|
B16/A194 4;ASTM A453 660A/A194 8C
|
9
|
42.0
|
2500
|
八角形金屬墊片/OCTAGON TYPE
|
ASTM A194 B7/A194 2H;ASTM A194
|
|
|
|
RING(或缺省)
|
B16/A194 4;ASTM A453 660A/A194 8C
|
A
|
CL150-CL800
|
|
|
|
B
|
|
|
|
|
C
|
|
|
|
|
注:?每個(gè)閥門選用何種材料的墊片和螺栓、螺母由“閥體材料”確定。
-對(duì)CL900.1500.2500三個(gè)等級(jí)的閥門,一般采用壓力密封閥蓋,此時(shí)“閥蓋墊片”和“閥蓋螺栓”項(xiàng)缺省。
?等級(jí)1a、2a、3a、4a、5a適用于JB標(biāo)準(zhǔn)閥門。
③美標(biāo)閥門結(jié)構(gòu)型式代號(hào):
(表1.4.1-3)結(jié)構(gòu)型式代號(hào)
代號(hào)
|
結(jié)構(gòu)型式
|
結(jié)構(gòu)型式解釋
|
應(yīng)用標(biāo)準(zhǔn)
|
結(jié)構(gòu)長(zhǎng)度標(biāo)準(zhǔn)
|
C
|
BB-BG-OS&Y
|
螺栓連接閥蓋,螺栓連接壓蓋,明桿支架式
|
API602/API602M
|
ASME B16.10
|
|
|
(BOLTED BONNET,BOLTED GLAND,OS&Y)
|
|
|
D
|
BB-BG-OS&Y
|
螺栓連接閥蓋,螺栓連接壓蓋,明桿支架式
|
API603/API603M
|
ASME B16.10
|
|
|
(BOLTED BONNET,BOLTED GLAND,OS&Y)
|
|
|
E
|
BB-BG-OS&Y-N
|
螺栓連接閥蓋,螺栓連接壓蓋,明桿支架式,
|
API602M
|
ASME B16.10
|
|
|
針型結(jié)構(gòu)(BOLTED BONNET,BOLTED GLAND,
|
|
|
|
|
OS&Y ,NEDDLE TYPE)
|
|
|
G
|
BC-PISTON-LIFT
|
螺栓連接閥蓋,升降式
|
API602M
|
ASME B16.10
|
|
|
(BOLTED BONNE,PISTON-LIFT)
|
|
|
H
|
BC-PISTON-LIFT
|
螺栓連接閥蓋,升降式
|
API603M
|
ASME B16.10
|
|
|
螺栓連接閥蓋,螺栓連接壓蓋,明桿支架式,
|
|
|
B
|
BB-BG-OS&Y-W
|
波紋管密封結(jié)構(gòu)(BOLTED BONNET,BOLTED
|
API600M
|
南京流體工程機(jī)
|
|
|
GLAND,OS&Y ,BELLOWS SEAL TYPE)
|
|
械廠標(biāo)準(zhǔn)
|
|
|
螺栓連接閥蓋,螺栓連接壓蓋,明桿支架式,低溫
|
|
|
L
|
BB-BG-OS&Y-L
|
密封結(jié)構(gòu)(BOLTED BONNET,BOLTEDGLAND
|
ASME B16.34
|
ASME B16.10
|
|
|
,OS&Y ,CRYOGENIC SERVICE SRRUCTURE)
|
|
|
1
|
BC-SWING
|
螺栓連接閥蓋,旋啟式
|
API600M
|
ASME B16.10
|
|
|
(BOLTED BONNET,SWING)
|
|
|
2
|
PS-PISTON-LIFT
|
壓力密封閥蓋,升降式
|
API600M
|
ASME B16.10
|
|
|
(PRESSURE SEAL BONNET,PISTON-LIFT)
|
|
|
3
|
WAFER TYPE
|
對(duì)夾式止回閥
|
API594
|
API594
|
|
|
(WAFER CHECK VALVE)
|
|
|
4
|
TILTING-DISC
|
TILTING-DISC 型止回閥
|
API600M
|
ASME B16.10
|
|
|
(TILTING-DISC TYPE CHECK VALVE)
|
|
|
5
|
BB-BG-OS&Y-F
|
螺栓連接閥蓋,螺栓連接壓蓋,明桿支架式,配特殊填料
|
API600/API600M
|
ASME B16.10
|
|
|
(BOLTED BONNET,BOLTED GLAND,OS&Y,WITH
|
|
|
|
|
SPECCIAL PACKING)
|
|
|
6
|
BB-BG-OS&Y
|
螺栓連接閥蓋,螺栓連接壓蓋,明桿支架式
|
API600/API600M
|
ASME B16.10
|
|
|
(BOLTED BONNET,BOLTED GLAND,OS&Y)
|
|
|
7
|
BB-BG-OS&Y-H
|
螺栓連接閥蓋,螺栓連接壓蓋,明桿支架式,帶吹掃孔
|
API600/API600M
|
ASME B16.10
|
|
|
(BOLTED BONNET,BOLTED GLAND,OS&Y,WITH
|
|
|
|
|
BLOMING HOLE)
|
|
|
8
|
PS-BG-OS&Y
|
壓力密封閥蓋,螺栓連接壓蓋,明桿支架式
|
API600/API600M
|
ASME B16.10
|
|
|
(PRESSURE SEAL BONNET,BOLTED GLAND,OS&Y)
|
|
|
9
|
PS-COVER SWING
|
壓力密封閥蓋, 旋啟式
|
API600/API600M
|
ASME B16.10
|
|
|
(PRESSURE SEAL BONNET, SWING)
|
|
|
M
|
BB-BG-M-SEAL
|
動(dòng)密封閘閥
|
API600M
|
ASME 16.10
|
④美標(biāo)閥門傳動(dòng)機(jī)構(gòu)代號(hào):
(表1.4.1-4)傳動(dòng)機(jī)構(gòu)代號(hào)
代號(hào)
|
傳動(dòng)型式
|
$
|
手動(dòng)
|
A
|
電動(dòng)/ELECTRIC MOTOR OPERATED
|
B
|
氣動(dòng)/AIR MOTOR OPERATED
|
C
|
傘齒輪驅(qū)動(dòng)/BEVEL GEAR OPERATED
|
D
|
鏈條傳動(dòng)/REMOTE OPERATED WITH CHAIN
|
E
|
延長(zhǎng)桿傳動(dòng)/OPERATED WITH EXTENDED STEM
|
F
|
遠(yuǎn)距離鉸鏈聯(lián)接桿傳動(dòng)(簡(jiǎn)稱:遠(yuǎn)距離手動(dòng))/REMOTE OPERATED WITH JOINT & LEVER
|
H
|
蝸輪蝸桿傳動(dòng)/
|
⑤美標(biāo)閥門連接型式代號(hào):
(表1.4.1-5)連接型式代號(hào)
代號(hào)
|
連接型式
|
連接型式解釋
|
S
|
SW
|
承插焊/SOCKET WELDED
|
T
|
NPT
|
60°錐管螺紋/NATIONAL TAPER PIPE THREAD
|
G
|
Rc
|
55°錐管螺紋/55° TAPER PIPE THREAD
|
R
|
RF
|
凸臺(tái)面法蘭連接/RAISED FACE
|
J
|
RJ
|
環(huán)槽面法蘭連接/RING JOINT
|
W
|
BW
|
對(duì)焊連接/BUTT-WELDED
|
P
|
PIPE
|
閥門兩端各帶一段150mm長(zhǎng)的管子/EACH ENDWITH A 150mm SHORT PIPE
|
F
|
MF(F)
|
凹凸面連接(凹面)/MALE-FEMALE FACE(FEMALE)
|
A
|
RF-NPT
|
|
⑥美標(biāo)閥門閥體材質(zhì)代號(hào):
(表1.4.1-6)閥體材質(zhì)代號(hào)
代號(hào)
|
閥體材質(zhì)/BODY
|
公稱壓力
|
閥蓋墊片材料/GASKET
|
閥蓋螺栓材料BOLT/NET
|
閥桿填料/PACKING
|
1. 鍛造碳素鋼閥體代號(hào):/FORGED CARBON STEEL
|
|
|
£CL150
|
特制石棉墊片(£400℃耐油/酸/堿)
|
35#/25#
|
?DN£40:304金屬絲與柔
|
H1
|
ASTM A105
|
CL300,400,800
|
304+柔性石墨纏繞墊片
|
35CrMoA/35#
|
性石墨編織填料
|
|
|
CL600
|
軟鐵,八角型金屬墊片
|
35CrMoA/35#
|
DN350:304金屬絲與柔性石
|
|
|
CL900-2500
|
(缺?。?
|
(缺?。?
|
墨編織填料+柔性石墨環(huán)
|
|
|
£CL150
|
304+聚四氟乙烯纏繞墊片
|
35CrMoA/35#
|
?DN£40:304金屬絲與柔
|
H2
|
ASTM A350-LF2
|
CL300,400,800
|
304+柔性石墨纏繞墊片
|
35CrMoA/35CrMo
|
性石墨編織填料
|
|
|
CL600
|
LF2,八角型金屬墊片
|
35CrMoA/35CrMo
|
DN350:304金屬絲與柔性石
|
|
|
CL900-2500
|
(缺?。?
|
(缺?。?
|
墨編織填料+柔性石墨環(huán)
|
|
|
£CL150
|
304+聚四氟乙烯纏繞墊片
|
35CrMoA/35#
|
?DN£40:304金屬絲與柔
|
H3
|
ASTM A350-LF3
|
CL300,400,800
|
304+柔性石墨纏繞墊片
|
35CrMoA/35CrMo
|
性石墨編織填料
|
|
|
CL600
|
LF3,八角型金屬墊片
|
35CrMoA/35CrMo
|
DN350:304金屬絲與柔性石
|
|
|
CL900-2500
|
(缺?。?
|
(缺省)
|
墨編織填料+柔性石墨環(huán)
|
2 . 鑄造碳素鋼閥體代號(hào):/CAST CARBON STEEL
|
|
|
£CL150
|
特制石棉墊片(£400℃耐油/酸/堿)
|
35#/25#
|
?DN£40: 304金屬絲與柔
|
J1
|
ASTM
|
CL300,400
|
304+柔性石墨纏繞墊片
|
35CrMoA/35#
|
性石墨編織填料
|
|
A216-WCB
|
CL600
|
軟鐵,八角型金屬墊片
|
35CrMoA/35#
|
DN350:304金屬絲與柔性石
|
|
|
CL900-2500
|
(缺?。?
|
(缺?。?
|
墨編織填料+柔性石墨環(huán)
|
|
|
£CL150
|
304+聚四氟乙烯纏繞墊片
|
35CrMoA/35#
|
?DN£40: 304金屬絲與柔
|
J2
|
ASTM
|
CL300,400
|
304+柔性石墨纏繞墊片
|
35CrMoA/35CrMo
|
性石墨編織填料
|
|
A352-LCB
|
CL600
|
LF2,八角型金屬墊片
|
35CrMoA/35CrMo
|
DN350:304金屬絲與柔性石
|
|
|
CL900-2500
|
(缺?。?
|
(缺省)
|
墨編織填料+柔性石墨環(huán)
|
|
|
£CL150
|
304+聚四氟乙烯纏繞墊片
|
35CrMoA/35#
|
?DN£40: 304金屬絲與柔
|
J3
|
ASTM
|
CL300,400
|
304+柔性石墨纏繞墊片
|
35CrMoA/35CrMo
|
性石墨編織填料
|
|
A352-LC3
|
CL600
|
LF3,八角型金屬墊片
|
35CrMoA/35CrMo
|
DN350:304金屬絲與柔性石
|
|
|
CL900-2500
|
(缺?。?
|
(缺省)
|
墨編織填料+柔性石墨環(huán)
|
3.鍛造合金鋼閥體代號(hào):(FORGED ALLOY STEEL)
|
|
|
£CL150,800
|
304+柔性石墨纏繞墊片
|
35CrMoA/35#
|
?DN£40:304金屬絲與柔
|
K1
|
ASTM A182-F1
|
CL300,400
|
304+柔性石墨纏繞墊片
|
35CrMoA/35#
|
性石墨編織填料
|
|
|
CL600
|
5Cr-0.5Mo,八角型金屬墊片
|
35CrMoA/35CrMo
|
DN350:304金屬絲與柔性石
|
|
|
CL900-2500
|
(缺?。?
|
(缺省)
|
墨編織填料+柔性石墨環(huán)
|
|
|
£CL150,800
|
304+柔性石墨纏繞墊片
|
35CrMoA/35#
|
?DN£40:304金屬絲與柔
|
K2
|
ASTM A182-F11
|
CL300,400
|
304+柔性石墨纏繞墊片
|
35CrMoA/35CrMo
|
性石墨編織填料
|
|
|
CL600
|
5Cr-0.5Mo,八角型金屬墊片
|
25Cr2MoVA/35CrMo
|
DN350:304金屬絲與柔性石
|
|
|
CL900-2500
|
(缺?。?
|
(缺省)
|
墨編織填料+柔性石墨環(huán)
|
⑥美標(biāo)閥門閥體材質(zhì)代號(hào):(續(xù))/BODY MATERIAL(CONTINUE)
(表1.4.1-6)閥體材質(zhì)代號(hào)(續(xù))
代號(hào)
|
閥體材質(zhì)/BODY
|
公稱壓力
|
閥蓋墊片材料/GASKET
|
閥蓋螺栓材料BOLT/NET
|
閥桿填料/PACKING
|
|
|
£CL150,800
|
304+柔性石墨纏繞墊片
|
35CrMoA/35#
|
?DN£40:304金屬絲與柔
|
K3
|
ASTM A182-F22
|
CL300,400
|
304+柔性石墨纏繞墊片
|
35CrMoA/35CrMo
|
性石墨編織填料
|
|
|
CL600
|
5Cr-0.5Mo,八角型金屬墊片
|
25Cr2MoVA/35CrMo
|
DN350:304金屬絲與柔性石
|
|
|
CL900-2500
|
(缺省)
|
(缺?。?
|
墨編織填料+柔性石墨環(huán)
|
|
|
£CL150,800
|
304+柔性石墨纏繞墊片
|
35CrMoA/35CrMo
|
?DN£40:304金屬絲與柔
|
K4
|
ASTM A182-F5
|
CL300,400
|
304+柔性石墨纏繞墊片
|
25Cr2MoVA/35CrMo
|
性石墨編織填料
|
|
|
CL600
|
5Cr-0.5Mo,八角型金屬墊片
|
25Cr2MoVA/35CrMo
|
DN350:304金屬絲與柔性石
|
|
|
CL900-2500
|
(缺?。?
|
(缺省)
|
墨編織填料+柔性石墨環(huán)
|
|
|
£CL150,800
|
304+柔性石墨纏繞墊片
|
35CrMoA/35CrMo
|
?DN£40:304金屬絲與柔
|
K5
|
ASTM A182-F9
|
CL300,400
|
304+柔性石墨纏繞墊片
|
25Cr2MoVA/35CrMo
|
性石墨編織填料
|
|
|
CL600
|
0Cr18Ni9,八角型金屬墊片
|
25Cr2MoVA/35CrMo
|
DN350:304金屬絲與柔性石
|
|
|
CL900-2500
|
(缺省)
|
(缺?。?
|
墨編織填料+柔性石墨環(huán)
|
4. 鑄造合金鋼閥體代號(hào):(CAST ALLOY STEEL)
|
|
|
£CL150
|
304+柔性石墨纏繞墊片
|
35CrMoA/35#
|
?DN£40: 304金屬絲與柔
|
L1
|
ASTM
|
CL300,400
|
304+柔性石墨纏繞墊片
|
35CrMoA/35#
|
性石墨編織填料
|
|
A217-WC1
|
CL600
|
5Cr-0.5Mo,八角型金屬墊片
|
35CrMoA/35CrMo
|
DN350:304金屬絲與柔性石
|
|
|
CL900-2500
|
(缺?。?
|
(缺省)
|
墨編織填料+柔性石墨環(huán)
|
|
|
£CL150
|
304+柔性石墨纏繞墊片
|
35CrMoA/35#
|
?DN£40:304金屬絲與柔
|
L2
|
ASTM
|
CL300,400
|
304+柔性石墨纏繞墊片
|
35CrMoA/35CrMo
|
性石墨編織填料
|
|
A217-WC6
|
CL600
|
5Cr-0.5Mo,八角型金屬墊片
|
25Cr2MoVA/35CrMo
|
DN350:304金屬絲與柔性石
|
|
|
CL900-2500
|
(缺?。?
|
(缺?。?
|
墨編織填料+柔性石墨環(huán)
|
|
|
£CL150
|
304+柔性石墨纏繞墊片
|
35CrMoA/35#
|
?DN£40:304金屬絲與柔
|
L3
|
ASTM
|
CL300,400
|
304+柔性石墨纏繞墊片
|
35CrMoA/35CrMo
|
性石墨編織填料
|
|
A217-WC9
|
CL600
|
5Cr-0.5Mo,八角型金屬墊片
|
25Cr2MoVA/35CrMo
|
DN350:304金屬絲與柔性石
|
|
|
CL900-2500
|
(缺省)
|
(缺?。?
|
墨編織填料+柔性石墨環(huán)
|
|
|
£CL150
|
304+柔性石墨纏繞墊片
|
35CrMoA/35CrMo
|
?DN£40:304金屬絲與柔
|
L4
|
ASTM
|
CL300,400
|
304+柔性石墨纏繞墊片
|
25Cr2MoVA/35CrMo
|
性石墨編織填料
|
|
A217-C5
|
CL600
|
5Cr-0.5Mo,八角型金屬墊片
|
25Cr2MoVA/35CrMo
|
DN350:304金屬絲與柔性石
|
|
|
CL900-2500
|
(缺?。?
|
(缺?。?
|
墨編織填料+柔性石墨環(huán)
|
|
|
£CL150
|
304+柔性石墨纏繞墊片
|
35CrMoA/35CrMo
|
?DN£40:304金屬絲與柔
|
L5
|
ASTM
|
CL300,400
|
304+柔性石墨纏繞墊片
|
25Cr2MoVA/35CrMo
|
性石墨編織填料
|
|
A217-C12
|
CL600
|
0Cr18Ni9,八角型金屬墊片
|
25Cr2MoVA/35CrMo
|
DN350:304金屬絲與柔性石
|
|
|
CL900-2500
|
(缺省)
|
(缺?。?
|
墨編織填料+柔性石墨環(huán)
|
|
|
|
|
|
|
5. 鍛造不銹鋼閥體代號(hào):(FORGED AUST.SS)
|
|
|
£CL150,800
|
304+柔性石墨纏繞墊片
|
35CrMoA/35#
|
?DN£40:304金屬絲與柔
|
M1
|
ASTM
|
CL300,400
|
304+柔性石墨纏繞墊片
|
35CrMoA/35CrMo
|
性石墨編織填料
|
|
A182-F304
|
CL600
|
0Cr18Ni9,八角型金屬墊片
|
25Cr2MoVA/35CrMo
|
DN350:304金屬絲與柔性石
|
|
|
CL900-2500
|
(缺省)
|
(缺?。?
|
墨編織填料+柔性石墨環(huán)
|
|
|
£CL150,800
|
316+柔性石墨纏繞墊片
|
35CrMoA/35#
|
?DN£40:316金屬絲與柔
|
M2
|
ASTM
|
CL300,400
|
316+柔性石墨纏繞墊片
|
35CrMoA/35CrMo
|
性石墨編織填料
|
|
A182-F316
|
CL600
|
0Cr17Ni12Mo2,八角型金屬墊片
|
25Cr2MoVA/35CrMo
|
DN350:316金屬絲與柔性石
|
|
|
CL900-2500
|
(缺省)
|
(缺?。?
|
墨編織填料+柔性石墨環(huán)
|
|
|
£CL150,800
|
321+柔性石墨纏繞墊片
|
0Cr18Ni9/0Cr18Ni9
|
?DN£40:321金屬絲與柔
|
M3
|
ASTM
|
CL300,400
|
321+柔性石墨纏繞墊片
|
0Cr18Ni9/0Cr18Ni9
|
性石墨編織填料
|
|
A182-F321
|
CL600
|
0Cr18Ni11Ti,八角型金屬墊片
|
0Cr18Ni9/0Cr18Ni9
|
DN350:321金屬絲與柔性石
|
|
|
CL900-2500
|
(缺省)
|
(缺?。?
|
墨編織填料+柔性石墨環(huán)
|
|
|
£CL150,800
|
321+柔性石墨纏繞墊片
|
0Cr18Ni9/0Cr18Ni9
|
?DN£40:321金屬絲與柔
|
M4
|
ASTM
|
CL300,400
|
321+柔性石墨纏繞墊片
|
0Cr18Ni9/0Cr18Ni9
|
性石墨編織填料
|
|
A182-F347
|
CL600
|
0Cr18Ni11Ti,八角型金屬墊片
|
0Cr18Ni9/0Cr18Ni9
|
DN350:321金屬絲與柔性石
|
|
|
CL900-2500
|
(缺省)
|
(缺?。?
|
墨編織填料+柔性石墨環(huán)
|
免責(zé)聲明:本文由網(wǎng)編通過網(wǎng)上查閱資料,并重新整理編輯而成,內(nèi)容僅供參考。如有文字或圖片等內(nèi)容問題,請(qǐng)您聯(lián)系本站,我們將及時(shí)更正。