HB 4-98-1976 Rubber bellows technical requirements

HB 4-1-1976 Expansion tube fitting technical specification HB 4-2-1976 HB 4-3-1976 The threaded portion of the pipe joint HB 4-4-1976 HB 4-5-1976 Type A straight-through pipe joint HB 4-6-1976 Threaded straight through tube connector with flange HB 4-7-1976 Changing diameter straight-through pipe joint HB 4-8-1976 Tight-fitting straight-through pipe joint HB 4-9-1976 Screw-in variable diameter straight through pipe connector HB 4-10-1976 Type B bender joint HB 4-11-1976 Type C bends and fittings HB 4-12-1976 Socket-head tube bender joint HB 4-13-1976 right-angle pipe connector HB 4-14-1976 Type B right-angle tube connector HB 4-15-1976 Type A Right Angle Pipe Fitting HB 4-16-1976 screw-in right-angle tube connector HB 4-17-1976 Three-way pipe connector HB 4-18-1976 Three-way pipe tee D type connector HB 4-19-1976 E-type three-way pipe joint HB 4-20-1976 Type B three-way pipe joint HB 4-21-1976 Three-way pipe joint with type A tee connector HB 4-22-1976 Asymmetric B-type three-way pipe joint HB 4-23-1976 Asymmetric Type A Tri-pipe Coupling Joint HB 4-24-1976 Nut-in three-way pipe joint HB 4-25-1976 Asymmetric threaded three-way joint tube connector HB 4-26-1976 four-way pipe joint HB 4-27-1976 D-type four-way pipe connector HB 4-28-1976 E-type four-way pipe connector HB 4-29-1976 F-type four-way pipe connector HB 4-30-1976 Socket-Fitting Four-Way Pipe Joint HB 4-31-1976 Combination tube。 HB 4-44-1976 Flat pipe spout HB 4-45-1976 HB 4-46-1976 Locknut HB 4-47-1976 Threaded nut HB 4-48-1976 Tighten nut assembly HB 4-49-1976 Tighten the nut HB 4-50-1976 Staple washer HB 4-51-1976 Plastic Washer HB 4-52-1976 HB 4-53-1976 HB 4-55-1976 The minimum bending radius for steel and aluminum alloy pipes and tubes HB 4-66-1976 HB 4-67-1976 stopper HB 4-68-1976 Hex head plug HB 4-69-1976 union joint plug cover HB 4-70-1976 Check valve oil nozzle HB 4-71-1976 Pumping pressure oil nozzle HB 4-72-1976 Elbow pressure oil sprayer HB 4-73-1976 Filling Port HB 4-74-1976 Emergency switch handle HB 4-75-1976 Onboard hydraulic system valve HB 4-76-1976 HB 4-77-1976 Ground portal connector HB 4-78-1976 The connection between the onboard valve and the ground valve joint of the hydraulic system HB 4-79-1976 Hydraulic system on-board valve and ground valve joint technical requirements HB 4-82-1976 Round outer ring nut HB 4-83-1976 Multiplexing connector HB 4-84-1976 Metal tube flexible connection HB 4-85-1976 The flexible connection of four grommets is the duct connection HB 4-86-1976 The flexible connection of four hose clamps HB 4-87-1976 The flexible connection of the two clamp pipes HB 4-88-1976 The flexible connection of the tube is achieved by two flanges HB 4-90-1976 Flexible connection technology requirements for catheters HB 4-91-1976 Oil drain valve HB 4-93-1976 rubber duck gasket HB 4-94-1976 Enhance rubber gasket HB 4-106-1976 Cabin pressurization check coupling mouth HB 4-107-1976 Bao copper sealing gasket HB 4-110-1976 HB 4-111-1976 The joint of the connector and the discharge port of the internal fuel is connected/the connecting part of the discharge port of the pipe HB 4-112-1976 The selection of steel balls for the live gate HB 4-118-1976 Metal tube semi-flexible connection HB 4-119-1976 Oil drain plug

HB 4-98-1983