T-BAR OPERATED和 STEM TIP (NON ROTATING TIP是什么意思啊
T-BAR OPERATED和 STEM TIP (NON ROTATING TIP是什么意思啊
NEEDLE VALVE, SIZE: 1/2" THRD NFPT, 6000 NEEDLE VALVE, SIZE: 1/2" THRD NFPT, 6000 PSI, MANUFACTURER'S STANDARD, SCREWED BONNET, INTEGRAL SEAT, T-BAR OPERATED, A-182 F-316/A-276 F-316L BODY, A-182 F-316/A-276 F-316L STEAM & STEM TIP (NON ROTATING TIP), RE-INFORCED GRAPH OIL OR EQUIVALENT PACKING