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R900925687 4WRAE10W1-30-22/G24N9K31/F1V
0811402141 DBETBEX-1X/315G24K31F1M
这种连接适用于各种压力和温度，在较荷刻的条件下使用时，比法兰连接更为可靠。但是焊接连接的阀门拆卸和重新安装都比较困难，所以它的使用限于通常能长期可靠地运行，或使用条件荷刻、温度较高的场合。如火力发电站、核能工程、乙烯工程的管道上。 PGH5-2X/250RE07VE4
R901147116 PGH5-3X/080RE11VU2
R901147115 PGH5-3X/063RE11VU2
R900571870 PGH2-1X/005LF47MK0
R900538573 PGH3-1X/016RE47MU2
R900538572 PGH3-1X/013RF47MK0
R900538571 PGH3-1X/013RE47MU2
R900538569 PGH3-1X/010RE47MU2
R900538568 PGH2-1X/008RF47MK0
R900538567 PGH2-1X/008RE47MU2
R900538566 PGH2-1X/006RE47MU2
R900537374 PGH3-1X/013RE07ME4
R900533128 PGH2-1X/005RE47MU2
R901123008 PGH4-2X/100RE07WU2
R901098317 PGH5-2X/125RR11WU2
R900983264 PGH3-1X/013RE47MU4
R900983176 PGH2-1X/005LE07MU2
R900983146 PGH3-1X/016RF07MK0
R900983145 PGH3-1X/013LF47MK0
R900983140 PGH3-1X/010LF07MK0
R900983132 PGH2-1X/006RF07MK0
R900983110 PGH3-1X/010RR07MU2
R900981575 PGH2-1X/006LE07MU2
R900981517 PGH3-1X/016LE07MU2
R900981514 PGH3-1X/013LE07MU2
R900972378 PGH2-2X/005RR07VU2
R900968999 PGH2-2X/005RE07VU2
R900961561 PGH3-2X/016LR07VU2
R900961559 PGH3-2X/011LR07VU2
R900961558 PGH3-2X/016RR07VU2
R900961557 PGH3-2X/013RR07VU2
R900961556 PGH3-2X/011RR07VU2
R900961555 PGH3-2X/016LE07VU2
R900961554 PGH3-2X/013LE07VU2
R900961553 PGH3-2X/011LE07VU2
R900961552 PGH2-2X/008LR07VU2
R900961551 PGH2-2X/008RR07VU2
R900961550 PGH2-2X/006LR07VU2
R900961549 PGH2-2X/006RR07VU2
R900961548 PGH2-2X/008LE07VU2
R900951305 PGH3-2X/016RE07VU2
R900951304 PGH3-2X/013RE07VU2
R900951303 PGH3-2X/011RE07VU2
R900951302 PGH2-2X/008RE07VU2
R900951301 PGH2-2X/006RE07VU2
公称通径在50mm以下的焊接阀门通常具有焊接插口来承接荷平面端的管道。由于承插焊接在插口与管道间形成缝隙，因而有可能使缝隙受到某些介质的腐蚀，同时管道的振动会使连接部位疲劳，因此承插焊接的使用受到一定的限制。
在公称直径较大，使用条件荷刻，温度较高的场合，阀体常采用坡口对焊接，同时，对焊接缝威格士DG4V-3S-0BL-M-FPA5WL-D5-60电磁阀
威格士DG4V-3S-0BL-M-FW-B5-60电磁阀
威格士DG4V-3S-0BL-M-U-0J5-60电磁阀
威格士DG4V-3S-0B-M-P-H5-60-EN9电磁阀
威格士DG4V-3S-0B-M-U-H5-60电磁阀
威格士DG4V-3S-0B-M-U-H5-60-EN95电磁阀
威格士DG4V-3S-0B-VM-U-H5-60电磁阀
威格士DG4V-3S-0C-M-U-B5-60电磁阀
威格士DG4V-3S-0C-M-U-H5-60电磁阀
威格士DG4V-3S-0C-VM-U-H5-60电磁阀
威格士DG4V-3S-0F-M-U-H5-60电磁阀
威格士DG4V-3S-22A-VM-U-H5-60电磁阀
威格士DG4V-3S-24A-M-U-H5-60电磁阀
威格士DG4V-3S-2A-H-M-U-B5-60电磁阀
威格士DG4V-3S-2AL-M-FW-B5-60电磁阀
威格士DG4V-3S-0BL-M-FPA5WL-D5-60电磁阀
威格士DG4V-3S-0BL-M-FW-B5-60电磁阀
威格士DG4V-3S-0BL-M-U-0J5-60电磁阀
威格士DG4V-3S-0B-M-P-H5-60-EN9电磁阀
威格士DG4V-3S-0B-M-U-H5-60电磁阀
威格士DG4V-3S-0B-M-U-H5-60-EN95电磁阀
威格士DG4V-3S-0B-VM-U-H5-60电磁阀
威格士DG4V-3S-0C-M-U-B5-60电磁阀
威格士DG4V-3S-0C-M-U-H5-60电磁阀
威格士DG4V-3S-0C-VM-U-H5-60电磁阀
威格士DG4V-3S-0F-M-U-H5-60电磁阀
威格士DG4V-3S-22A-VM-U-H5-60电磁阀
威格士DG4V-3S-24A-M-U-H5-60电磁阀
威格士DG4V-3S-2A-H-M-U-B5-60电磁阀
威格士DG4V-3S-2AL-M-FW-B5-60电磁阀
威格士DG4V-3S-2AL-M-U-H5-60电磁阀
威格士DG4V-3S-2AL-VM-U-C5-60电磁阀
威格士DG4V-3S-2A-M-FPA5WL-B5-6电磁阀
威格士DG4V-3S-2A-M-FTWL-B5-60电磁阀
威格士DG4V-3S-2A-M-FTW-L-B5-60电磁阀
威格士DG4V-3S-2A-M-FTWL-B5-60电磁阀
威格士DG4V-3S-2A-M-FTWL-H5-60电磁阀
威格士DG4V3S2AMFWB560电磁阀
威格士DG4V-3S-2A-M-U6-H5-60电磁阀
威格士DG4V-3S-2A-MUC560电磁阀
威格士DG4V-3S-2A-M-U-G5-60电磁阀
威格士DG4V-3S-2A-M-U-H5-60电磁阀
威格士DG4V-3S-2A-M-U-H5-60电磁阀
威格士DG4V-3S-2A-P2-VM-U11-PA-H5-60电磁阀
威格士DG4V-3S-2A-VM-U-H5-60电磁阀
威格士DG4V-3S-2A-VM-U-H5-60电磁阀
威格士DG4V-3S-2B200-M-U-SH5-60电磁阀
威格士DG4V-3S-2B200-M-U-SH5-60电磁阀
威格士DG4V-3S-2C-M-FTWL-B5-60电磁阀
DG5V-8-H-8C-R-VM-U-C-10
DG5V-8-H-8C-S-VM-U-B-10
DG5V-8-H-8C-S-VM-U-H-10
DG5V-8-H-8C-VM-U-A-10
DG5V-8-H-8C-VM-U-C-10
DG5V-8-H-8C-VM-U-H-10
DG5V-8-H-9C-E-M-U-A-10
DG5V-8-H-9C-E-VM-U-C-10
DG5V-8-H-B-2C-Z-PCB-E-VM-U-H-10
DG5V-8-H-B-35A-Z-PPA-E-VM-U-H-10-EN600
DGAM-2-4-10-R
DGAM-3-01-10R
DGAM-5-10R
DGC-06-B-60
DGC-06-C-60
DGC-06-F-60
DGC-06-FV-60
DGC5-060A-C-M-FW-B5-80
DGFN-06-50
DGMA-2-B-10
DGMA-2-C2-10
DGMA-3-0-10
DGMA-3-B-10
DGMA-3-C1-10
DGMA-3-C2-10
DGMA-3-T1-10B
DGMA-3-T2-10B
