Gemu corp, germany
Pneumatic Diaphragm Valve and Butterfly Valve of GEMU Company, Germany
GEMU Group was founded in 1964, in Ingelfingen, Baden-wuttemberg, Germany, is a world-renowned multinational companies of the production of high-quality, advanced valves as well as its measurement and control systems. It has subsidiaries and branches in all continents of dozens of countries. The main products include manual, pneumatic and electric butterfly valve, diaphragm valves, angle valves, ball valves, solenoid valves and other valves as well as measuring instruments. In the industries of petrochemical, power, steel metallurgy, pharmaceutical, paper, microelectronics, food and beverage, marine, water treatment etc. Gemu can provide various reliable valves and systems and have a high reputation all over the world. Over the past few years, Gemu Group has rapidly expanded its business in China and its products have been widely used in many industrial areas. Gemu China has become an important organization in Asia Pacific region. Gemu China stands now only now but also the future. Gemu would like to develop with Chinese companies together, we are committed to product updates, development and application of new technology to contribute to the modernization of Chinese enterprises.
Pheumatic Operated Rubber Lined Diaphragm Valves TYP695 of Gemu Germany
Introduction
Pneumatic metal diaphragm valves, whose actuators is are made of engineering plastics. The design is simple and it has good flow characteristics. The Seat adopts diaphragm seal.It’s suitable for all inert and corrosive liquids and gases.
Structure
Valve 695 has a diaphragm type pneumatic head without maintenance. Which is suitable for a variety of inert gases or liquids.It can provide a variety of bodies and diaphragm materials to suit the requirements of different chemical and temperatures. valves range of applications can be expended by installing various accessories, such as mechanical position display, electronic position feedback display,stroke limit, manual brake device of electrical emergency locator devices and pilot valves with manual device and potentiometer.
Operation Pressure ： Maximum 10kg
Operating temperature ： Maximum 150℃
Valve Size ： Plastic body :DN6-100mm Metal body : DN4-600mm
Body Material ：Plastic : ABS,PVC-U,PP,PVDF,PFA
Metal : cast iron, ductile iron, lined PP, PFA or rubber, steel, copper,
Stainless steel: 316L、1.4435、1.4408
Diaphragm material ：EPDM,PTFE,Hypaon,Perbunan,Viton,Silicone
Connector Type ：TFM
Driving Mode ：Plastic: Butt / right stick, union nut, thread, flange screw-type extrusion Metal: thread, flange, welding, clamps, union nut
Body Type ：Manual, pneumatic / hydraulic drive, electric
Applications ：Through-way valve, T-valve (PVDF and stainless steel) multiple valve, tank bottom valve (stainless steel)
Remark：For the reason of the structural design of diaphragm valve itself, it’s very suitable for ultra-pure media or heavy pollution, very viscous liquids, gases, corrosive or inert medium. When it combines with control equipment,the diaphragm valve is more able to replace other traditional control systems, especially inert medium applicable to solid and vulnerable pollution
Advantages:
· Applies to heavily polluted medium
· Suitable for medium flow in either direction
·Within the maximum working pressure range, the sealing performance of the liquid flow is good in both directions.
· All parts in contact with the media can be configured according to different working conditions·
· Lightweight design ·
· Good fluidity.
Typical application process:
Chemical water of power plant( feed water, condensate polishing system), chemical water treatment, desulphurization equipment
Applications: control industrial liquids and gases, such as bio-pharmaceutical, power, metallurgy, chemical industry, water treatment, construction industry, etc.
Body Structure: D1 clip-on flange DN 25-700, D3LUG bump-ended valve DN 25-400, D4 U-porous sided Body DN 150-1200
Installation length: ISO 5752/20, DIN 3202/3 K1
Connection standard :PN6, PN10, PN16, ANSI cl. 150
Temperature range: When the temperature of the liner is-10°C to 95°C, the maximum temperature range is -40°C to 200°C according to different materials
Hydraulic test: ISO 5208 / DIN 3230, sealing test: 1.1 x PN, body pressure test: 1.5 x PNOn the safety requirement of pressure equipment, butterfly valve DESPONIA complies with the following safety rules: group 1 and 2, fluid, Annex 1 of PED 97/23/EG DN 25 - 400 DN 450 – 1200
Working pressure : Biggest plastic body - 6kg
Biggest metal body - 50kg
Working temperature： 90℃ for plastic body, highest temperature 90℃
Metal body： 650℃
Diameter ：Plastic body: DN 15-250mm Metal body: DN 15-2400mm
Body material: Plastic body: PVC-U，PP PES
Metal body: brass, # 25 cast iron, # 40 ductile iron, # 40.3 ductile iron, aluminum, various steel alloys
Sealing material ：Plastic body: EPDF，FPM（Viton）Hypaon,Butyl,Nitrle,PTFE,PVDF
Metal body: EPDM，FPM（Viton），PSI（silicone），Hypaon,Butyl,Nitrle,PTFE,PVDF
Plastic: PVDF，PFA，stainless steel Uranus,Hastelloy,Monel,
Metal: iron 25, #40 ductile, aluminum-copper alloys, duplex steel, Uranus, Hastelloy, Monel, titanium and various plastic coatings
Interface mode：Plastic: slip - joint nut, chip-on or flange
Metal: internal thread, butt, wafer flange, convex flange, end flange.
Driving Mode：Manual, pneumatic / hydraulic drive , pneumatic, electric.
Body structure ：Through-way valve
Application:The advantage of butterfly valve is: small size, light weight,and good fluidity.
Remark: For Sanitary, please see : the applications of valves used inin biopharmaceutical, food and Biotechnology Mexwel Inc © ALL RIGHTS RESERVED.
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