Shutoff valves
Function: overpressure protection.
Demands: tightness, resistance to working environments.
Types: ball valves and cork, wedge and vane, shutoff valves (faucets), rotary disk.
Products
Ball valve
Shut-off valve: ball.
Construction: welded housing, composite body (of 2 or 3 parts).
Access to the shutter: top (without dismantling the crane from the pipeline), side (with dismantling the crane from the pipeline).
Проход: full-bore, неполнопроходной (с редуцированным проходом).
The seal in the saddle: soft-seal, seal «metal-to-metal».
Control: manual (handle, reducer with handwheel), driving (electric, pneumatic, hydraulic).
Connection: flange, welded, socket.
Plug valve
Shut-off valve: cone.
Проход: full-bore, неполнопроходной (с редуцированным проходом).
The seal in the saddle: soft-seal, seal «metal-to-metal».
Control: manual (handle, reducer with handwheel), driving (electric, pneumatic, hydraulic).
Connection: flange, welded, socket.
Wedge gate valve
Construction: with sliding spindle, with non-rising spindle; double-acting.
Shut-off valve: a metal wedge (hard; dual; elastic).
Проход: full-bore, неполнопроходной (with reduced passage).
The seal in the saddle: seal «metal-to-metal».
Control: manual (handwheel, reducer), driving (electric, pneumatic, hydraulic).
Connection: flange, welded, socket
Sliding gate valve
Construction: single-disk, single-sided and double-acting.
Shut-off valve: metal plate.
Проход: full-bore.
The seal in the saddle: seal «metal-to-metal».
Control: manual (handwheel, reducer), driving (electric, pneumatic, hydraulic).
Connection: flange, wafer.
Shut-off valve
Shut-off valve: disc/cone.
Construction: pass, corner, straight.
Seal: stuffing, bellows, membrane.
Control: manual (handwheel, reducer), driving (electric, pneumatic, hydraulic).
Connection: flange, coupling, nipple, цапковое, welding.
Rotary disk shutter
Shut-off valve: disk.
Construction: concentric, double eccentric, triple eccentric
Управление: manual (handwheel or reducer), electric, piston pneumatic or hydraulic drive.
Connection: flange, welding, wafer.