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GB /T 14780 - 2010

Earth-moving Machinery - Drain, Fill and Level Plugs, Type B

GB /T 14780 - 2010 土方机械排液、加液和液位螺塞 B型外六角锥形螺塞

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Dimensional Specifications — GB /T 14780 - 2010 (mm)

Size	P	s_max
R1/2 (1/2-14 NPTF)	50 (1-7/8)	10 (3/8)
R1/4 (1/4-18 NPTF)	22 (7/8)	6 (7/32)
R1/8 (1/8-27 NPTF)	14 (9/16)	5 (3/16)
R3/8 (3/8-18 NPTF)	36 (1-5/16)	8 (5/16)

Related Standards

GB 1152 - 1989— Straight Hydraulic Grease Nipples GB /T 14383 (HHP) - 2021— Forged Threaded Pipe Fittings - Hexagon Head Screw Plug GB /T 2878.4 (PLEH) - 2011— Connections for Hydraulic Fluid Power－ Ports and Stud Ends with Metric Threads and O-ring Sealing - Part 4 : Hex Plugs GB /T 14780 - 2010— Earth-moving Machinery - Drain, Fill and Level Plugs, Type D GB /T 25618.1 - 2010— Earth-moving Machinery - Lubrication Fittings - Part 1 : Nipple Type GB /T 14383 (HHP) - 2008— Forged threaded pipe fittings - Hexagon head screw plug GB /T 19674.2 - 2005— Connections for General use and Fluid Power - Ports and Stud Ends with Thread - Stud Ends with Elastomeric Sealing - Type E

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