Types of valves

Different types of valves -Ship equipment/Shipping machine

 

GATE VALVES

Different types of valves -Ship equipment

 

Different types of valves -Ship equipment

 

GLOBE VALVES

Different types of valves -Ship equipment

 

Different types of valves -Ship equipment

 

Different types of valves -Ship equipment

PLUG VALVES

Different types of valves -Ship equipment

Different types of valves -Ship equipment

BALL VALVES

Different types of valves -Ship equipment

BUTTERFLY VALVES

Different types of valves -Ship equipment

Different types of valves -Ship equipment

Different types of valves -Ship equipment

 

Different types of valves -Ship equipment

DIAPHRAGM VALVES

Different types of valves -Ship equipment

CHECK VALVES

Different types of valves -Ship equipment

Different types of valves -Ship equipment

Different types of valves -Ship equipment

Different types of valves -Ship equipment

Different types of valves -Ship equipment

 

Butterfly valve

1.valve liner 2.valve blade, 3.valve body, 4.upper seal, 5.valve spindle, 6.key, 7.upper bearing, 8.pins, 9.lower bearing, 10.lower seal,

1.valve liner
2.valve blade,
3.valve body,
4.upper seal,
5.valve spindle,
6.key,
7.upper bearing,
8.pins,
9.lower bearing,
10.lower seal,

Retention valve, non-return valve, check valve

1) when the disc is not attached to the spindle, the globe valve is considered to be a screw-down nonreturn valve (SDNR).

1.body, 2 bonnet, 3 gland flange 4 gland, 5A disc (stop type), 5B disc (piston SDNR), 6 disc stem nut, 7A stem (stop type), 7B stem (piston SDNR), 8 bonnet gasket, 9 gland packing, 10 bonnet studs, 11 bonnet stud nuts, 12 yoke bush, 13 handwheel, 14 handwheel nut, tack weld, stellite,
1.body,
2 bonnet,
3 gland flange
4 gland,
5A disc (stop type),
5B disc (piston SDNR),
6 disc stem nut,
7A stem (stop type),
7B stem (piston SDNR),
8 bonnet gasket,
9 gland packing,
10 bonnet studs,
11 bonnet stud nuts,
12 yoke bush,
13 handwheel,
14 handwheel nut, tack weld, stellite,

2) without a stem to screw down the flow interrupting component, the non-return valve is of the freelifting type.
Note : the flow-interrupting component may be a disc (see figure) or may be a bail (ball check valve),

flap check valve, flap valve, swing check valve, plug valve, ball plug valve, ball valve,cylindrical plug valve, cock, bib, bib-cock, faucet, tap, 3 guides cast integral with body, cover studs, nuts, gasket, body, disc, bore,
flap check valve, flap valve, swing check valve,
plug valve, ball plug valve, ball valve,cylindrical plug valve,
cock, bib, bib-cock, faucet, tap,
3 guides cast integral with body,
cover studs,
nuts,
gasket,
body,
disc,
bore,

sleeve-packed cylindrical plug cock

lever lever bolt split ring plug packing sleeve tightening nut

lever
lever bolt
split ring
plug
packing sleeve
tightening nut

valve classification according to…

FLUID FLOW:

full way valve, full bore valve (e.g. gate valve, butterfly valve)
throttle valve (e.g. globe valve, needle valve, piston valve)

FLANGE CONFIGURATION:

straight-through valve, in-line valve, angle valve

FUNCTION

dump valve,
flow diversion valve,
relief valve, safety valve, sea suction valve etc.

in the gate valve,

closing by interposing a flat or tapered element (gate or wedge) transversely across the axis of the opening.

in the globe valve,

closing by pressing a disc or plug axially against the opening.

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