表1.4.1-1,閥門類別
代號 | 類別及應用標準 | 代號 | 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 | 儀表測壓閥(API602M) |
注:每個閥門采用什么標準由“結構型式”確定。
表1.4.1-2, 壓力等級
代號 | 壓力等級 | 應用墊片 | 應用螺栓/螺母 | |
PN(公制) | CL(磅制) | (最低要求) | (最低要求) | |
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:?每個閥門選用何種材料的墊片和螺栓、螺母由“閥體材料”確定。
­對CL900.1500.2500三個等級的閥門,一般采用壓力密封閥蓋,此時“閥蓋墊片”和“閥蓋螺栓”項缺省。
?等級1a、2a、3a、4a、5a適用于JB標準閥門。
表1.4.1-3,結構型式
代號 | 結構型式 | 結構型式解釋 | 應用標準 | 結構長度標準 |
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 |
針型結構(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 | 波紋管密封結構(BOLTED BONNET,BOLTED | API600M | 南京流體工程機 |
GLAND,OS&Y ,BELLOWS SEAL TYPE) | 械廠標準 | |||
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 | 密封結構(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 | 動密封閘閥 | API600M | ASME 16.10 |
表1.4.1-4,傳動機構
代號 | 傳動型式 |
$ | 手動 |
A | 電動/ELECTRIC MOTOR OPERATED |
B | 氣動/AIR MOTOR OPERATED |
C | 傘齒輪驅動/BEVEL GEAR OPERATED |
D | 鏈條傳動/REMOTE OPERATED WITH CHAIN |
E | 延長桿傳動/OPERATED WITH EXTENDED STEM |
F | 遠距離鉸鏈聯接桿傳動(簡稱:遠距離手動)/REMOTE OPERATED WITH JOINT & LEVER |
H | 蝸輪蝸桿傳動/ |
表1.4.1-5,連接型式
代號 | 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 | 凸臺面法蘭連接/RAISED FACE |
J | RJ | 環(huán)槽面法蘭連接/RING JOINT |
W | BW | 對焊連接/BUTT-WELDED |
P | PIPE | 閥門兩端各帶一段150mm長的管子/EACH ENDWITH A 150mm SHORT PIPE |
F | MF(F) | 凹凸面連接(凹面)/MALE-FEMALE FACE(FEMALE) |
A | RF-NPT |