Drive Unit ■Electric Actuator •Drive unit powered by an electric motor in the unit. •Various functions are available according to speci cations (protection class: IP68, explosion-proof, installation of torque switches, etc.). •Unlike hydraulic or pneumatic systems, there is no need to install piping for operation (only cable connection is required). •Available from mechanical type to intelligent type (selectable according to application). •Manual operation is possible in case of emergency. •Self-locking is possible, and the valve does not open under uid pressure. ■Manual Actuator •Drive unit operated manually with a handle. •Can be operated while directly checking valve position. •Self-locking is possible, and the valve does not open under uid pressure. ■Hydraulic Actuator •Drive unit operated by hydraulic power generated by a hydraulic pump. • High-pressure operation allows for a compact cylinder section. • Hydraulic uid is incompressible, resulting in good actuation response. ■Pneumatic Actuator •Drive unit operated by air pressure generated by compressor. •Remote operation is possible. •No hydraulic oil is used, so there is no need to bleed air, as is done with hydraulic systems. •Various controls are possible by installing instrumentation. Standard valve List of Drive Unit Specifications Lever Worm Top Handle Fork lever Dual-acting Single-acting Part-turn Multi-turn Dual-acting Single-acting Indoor Indoor / outdoor Indoor Indoor / outdoor Indoor / outdoor Indoor / outdoor Indoor / outdoor Manual Hydraulic Electric Pneumatic Actuator Type Location Thermal power stations, nuclear power stations, waste incineration facilities, gas plants, chemical plants, paper mills, steel mills, oil refineries, biomass power plants, LNG carriers, oil tankers, container ships, car carriers, Ministry of Defense (naval ships), etc. ■Major Customers ON–OFF control (shutoff valve) Pneumatic / hydraulic / electric / manual JIS 5K to 63K, CLASS 150# to 1500# 15A to 450A Various flanges/SW/BW –50 to 600 °C Pneumatic / hydraulic Forward/reverse/dual acting Water/oil/steam/air/various gases, etc. Cast iron/cast steel/alloy steel/ stainless steel, etc. Function Actuator Rated pressure Bore size Connection Temperature Valve actuation Fluid Material Sluice valve Swing check valve Pneumatic / hydraulic JIS 5K to 63K, CLASS 150# to 900# 80A to 600A Various flanges/SW/BW Saturation temperature to 500 °C Closed upon loss of operating source Steam Cast steel/alloy steel/stainless steel, etc. Function Actuator Rated pressure Bore size Connection Temperature Valve actuation Fluid Material Extraction check valve Applicable Range of Valve Seat Material (Rubber/Resin) NBR FKM EPDM PTFE (without filler) PTFE (with carbon) Rubber Valve seat material Applicable temperature Water Seawater Steam Gas Air Chemicals Oil Petroleum products (solvents) Fluid Resin 0 to 70 °C 0 to 90 °C 0 to 130 °C –50 to 150 °C 0 to 250 °C ◎ ◎ ◎ ◎ △ ◎ ◎ ○ ◎ △ ◎ ◎ × ○ △ △ ○ × ◎ △ × ○ × ◎ △ △ △ ― ◎ △ × ○ ― ◎ △ ○ ○ ○ ◎ △ Butterfly Valve Standard Specifications List Function Actuator Design pressure Bore size Connection Temperature Valve actuation Fluid Body material ON–OFF/flow control Pneumatic / hydraulic / electric / manual Max.1.0 MPaG 50A to 800A Flange connection (wafer/flange) 0 to 70 °C (seat material: NBR) 0 to 90 °C (seat material: EPDM) 90° rotation Water / seawater Cast iron/cast steel ON–OFF/flow control Pneumatic / hydraulic / electric / manual Max.1.6 MPaG 80A to 800A Flange connection (wafer/flange) 0 to 130 °C (See the scope of application of seat material) 90° rotation (See the scope of application of seat material) Cast iron/cast steel/alloy steel/ stainlesssteel, etc. ON–OFF/flow control Pneumatic / hydraulic / electric / manual Max.1.6 MPaG 80A to 800A Flange connection (wafer/flange) 0 to 250 °C (See the scope of application of seat material) 90° rotation (See the scope of application of seat material) Cast iron/cast steel/alloy steel/ stainlesssteel, etc. ON–OFF/flow control Pneumatic / hydraulic / electric / manual JIS 5K to 16K, CLASS 150# to 600# 80A to 800A Flange connection (wafer/flange) –253 to +520 °C (Applicable range depends on metal material) 90° rotation Water / seawater / oil / steam / air / gas / liquefied gas, etc. Cast iron/cast steel/alloy steel/ stainless steel, etc. Flow control Pneumatic / hydraulic / electric / manual JIS 5K to 16K, CLASS 150# to 600# 150A to 800A Flange connection (wafer/flange) Ambient temperature to 520 °C 90° rotation Water/seawater/oil/steam/air/gas, etc. Cast iron/cast steel/alloy steel/ stainless steel, etc. Concentric-type with rubber seat Butter y valve (IC type) Double eccentric-type with rubber seat Butter y valve (DR type) Double eccentric-type with resin seat Butter y valve (DT type) Double eccentric-type with metal seat Butter y valve (DM type) Double eccentric damper type Butter y valve (DD type) 10 NAKAKITA FCV PRODUCT CATALOG
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