backup screw

n

клапан; вентиль, задвижка, шибер

- adjusting valve
- air valve
- air-gas valve
- air-purge valve
- altitude valve
- angle valve
- annular valve
- antiflood valve
- antisiphon valve
- automatic air valve
- automatic control valve
- back-pressure valve
- backup valve
- backwater valve
- balancing valve
- ball valve
- ball check valve
- ball plug valve
- bleeder valve
- bleed-off valve
- block valve
- blow-off valve
- blow-out valve
- blow-through valve
- butterfly valve
- bypass valve
- changeover valve
- charging valve
- check valve
- clack valve
- closet valve
- compression valve
- condensing pressure valve
- constant pressure valve
- control valve
- couple valve
- cross valve
- cutoff valve
- cutout valve
- delivery valve
- diaphragm valve
- direct flow valve
- discharge valve
- disk valve
- diverter valve
- dividing valve
- double disk gate valve
- double regulating valve
- double-seat valve
- drain valve
- drainage valve
- dry-pipe valve
- dual-block gate valve
- dump valve
- emergency water valve
- equalizing valve
- exhaust valve
- expansion valve
- fire valve
- flap valve
- flat gate valve
- flat slide valve
- flexible wedge gate valve
- float valve
- floating ball valve
- flow-blocking valve
- flow control valve
- flushing valve
- flush valve
- flushmeter valve
- follower-ring valve
- foot valve
- four-way mixing valve
- frost valve
- full-opening plug valve
- full-way valve
- fusible link valve
- gate valve
- globe valve
- ground-key valve
- guard valve
- hand-operated valve
- high pressure valve
- indicator valve
- inlet valve
- in-line maintenance valve
- isolating valve
- lift check valve
- lock valve
- lock-shield valve
- magnetic valve
- main valve
- master valve
- mixing valve
- modulating valve
- motorized valve
- muffle valve
- mushroom valve
- NC valve
- needle valve
- NO valve
- nonlubricated plug valve
- nonreturn valve
- nonrising stem valve
- normally closed valve
- normally open valve
- on-off valve
- orifice valve
- OS & Y valve
- outlet valve
- outside screw and yoke valve
- overflow valve
- overpressure release valve
- packless valve
- parallel seat gate valve
- parallel slide valve
- pilot valve
- pinch valve
- plate valve
- plug valve
- pneumatic operated valve
- pop valve
- pressure control valve
- pressure controlled valve
- pressure limiting valve
- pressure-reducing valve
- pressure-regulating valve
- pressure-relief valve
- purge valve
- quick action valve
- quick-closing valve
- radiator valve
- reducing valve
- reflux valve
- regulating valve
- release valve
- relief valve
- restrictor valve
- reverse-acting diaphragm valve
- reversing valve
- ring valve
- rising stem valve
- safety valve
- scour valve
- screw valve
- screw-down stop valve
- service valve
- shunt valve
- shutoff valve
- shutoff rotary valve
- single lever mixing valve
- single-seat control valve
- slanting stem valve
- slide valve
- sludge valve
- sluice valve
- snap action valve
- solenoid valve
- solid wedge gate valve
- split wedge gate valve
- spring-loaded valve
- stop valve
- straight-through valve
- suction valve
- suction line valve
- swing valve
- swing check valve
- terminal valve
- thermal expansion valve
- thermostatic valve
- thermostatically controlled valve
- thermostatic expansion valve
- three-way valve
- throttling valve
- through-conduit valve
- two-port valve
- two-way valve
- variable orifice self-acting valve
- vent valve
- volumetric control valve
- water regulating valve
- wedge gate valve
- wedge valve
- weight-loaded valve
- welding-end gate valve
- Y-seat valve