Keystone光桿蝶閥GRW DLT150 /F11蝶閥
Keystone DN600/NPS24蝶閥 GRW0600-D0S0S2E0M2I
GRW-0350/NHDLT-D3-A1-S2-N0-M1-K
GRW-0200/NHDLT-D3-A1-S2-N0-M1-K
GRW-0100/NHDLT-D3-A1-S2-N0-M1-K
GRW-0250/NHDLT-D3-A1-S2-N0-M1-K
Keystone氣動蝶閥GRW DN250+F89U-032DA
keystone光桿蝶閥GRW0500D0S0S2E0M1K
Keystone光桿蝶閥GRL0500D0S0S2E0P2K；Keystone光桿蝶閥GRL0500D0S0S2E6P3K；
keystone手柄蝶閥GRL080-D0S1S2E0P3K-H1
Keystone蝶閥 GRL0500 DOS0S2E0P2K GRL0500 DOS0S2E6P3K
keystone手動渦輪蝶閥 GRL0400 D0A1S2N0J5KG1 GRW 0450 D0-A1-S2-N0-J5-K-G1 主要用于管道流體的開關，和調節，軟密封，中線蝶閥，可配手動操作機構，氣動操作機構，電動操作機構
GRW蝶閥GRW0600-DOUOUOEOA1K F89U氣缸 keystone蝶閥
DN200 PN10 GRW0200-D0S0S2E0M1K 閥體-鑄鐵，閥板-316SS，閥座-EPDM
keystone支耳式蝶閥 GRL20寸蝶閥 GRL20”蝶閥
Keystone氣動蝶閥GRWDLT250DOSOS2N0A1K ANSI-150# F89U-051DA ASCO/551 Tissin/APL-510N

keystone支耳式蝶閥 GRL-DLT150-D0S1S2E0P3K +F89U-014DA 蝶閥