Overview Three screw pump is one of the important types of fluid transfer equipment used for lubrication, non-abrasive oil based liquid, it is also referred to as triple screw pump, three spindle pump or three rotor pump. This pump is a positive displacement pump that transfers fluid amounts through cavities of several shape. The pumping elements consist of three moving parts: the power rotor (main screw) and two symmetrically opposed idler rotors鈥?all operating within close fitting housing bores. The screws are also matched with the three inset holes, several sealed moving chambers are thereby formed in between the pump inlet and outlet end. These closed chambers will take the medium inside to move from the inlet end axially and let flow pressurized progressively, to have a continuous, constant, axial flow pressured liquid. Double jacket three screw pump is suitable for various non-corrosive oil and similar oil and lubricity liquid. Transport the liquid viscosity range is generally 3.0-760 cst, high viscosity medium can be pumped after overheating, the temperature less than 350 鈩? Steam, hot water and heat-transfer oil can be connected inside the jacket, so the pump body will operate at a controlled temperature, and the internal fluid will not agglomerate and damage the pump parts. We apply several mechanical and bearing combinations according to temperature and characteristics of fluid. E6.7 plan is structure which uses single end face mechanical seal and external bearing, because the bearing cannot be lubricated by the fluid or the temperature of the fluid is up to 150鈩? E15 Plan is structure which uses metal bellows mechanical seal and external bearing, because the bearing cannot be lubricated by the fluid or the temperature of fluid is up to 350鈩? Optimize design structure Beneficial Features 鈼?More economical- Minimize life cycle cost 鈼?Reliable performance 鈥揟he screw adopts high hardness nitriding steel 鈼?Gentle product handling – Continuous conveying, small pressure pulsation 鈼?Easy maintenance 鈥揇o not need to remove pipeline when replacing insert or screws 鈼?Process flexibility – Low inlet pressure requirement and a wide range of operating speeds 鈼?Reduced noise levels – Operating principle virtually eliminates pressure fluctuations 鈼?Self priming- Doesn鈥檛 need other Forced feeding device Meet your Transportation demands include 鈼?Various sizes for flow rates up to 5300 L/min 鈼?Differential pressures up to 70 bar 鈼?The viscosity of mediums from 1 to 760 cst 鈼?Working temperature up to 350鈩?/p> 鈼?Liquid could be pumped after heating up (lowering down the viscosity) 鈼?Standard mechanical seal 鈼?Heating jacket 鈼?Adjustable direction of inlet or outlet Strict quality standards and test procedures assure that you receive the best performing three screw pumps. Even after the initial sale we continue to provide support to ensure optimum performance in various service conditions.Three Screw Pump manufacturers website:http://www.china-screw-pump.com/three-screw-pump/ posted an update 3 months ago
Wire gas detection transmitter is a kind of our company’s products which can continuously detect poisonous and harmful, inflammable and explosive gas concentration in the working environment.This transmitter detects gas concentration in the form of natural diffusion.Detector to detect gas concentration in the form of natural diffusion, using imported sensors with good sensitivity and good repeatability;
Size：144 mm * 190 mm * 74 mm
Weight: about 1130 g
Sensor types: electrochemistry method
Working pattern: continuous work
Working voltage: DC24V
Output signal: 485 digital signal
Output: four wire (two power cord, two signal lines)
Temperature range: – 20 ℃ ~ 50 ℃
gas catalytic combustion type, special separately)
Destination gas: oxygen (O2), gas (EX),
poisonous and harmful gases (CO, H2S, NH3, CL2, etc.)
Response time: ≤30s(O2);≤40s(CO);≤20s(EX)
Humidity: 15% ~ 90% RH (No condensation)
Connection mode: four wire connection mode,
in strict accordance with the manual connection
Transmission cables: two core shielded cable or a four core shielded cable,
Section 2*1.5mm2*2 or 4*1.5mm2
Transmission distance: ＜ 1000 m
Explosion-proof number: CE10 1084
Explosion-proof marks: Exd II CT6
Characteristics & Functions：
1. Being compatible with all kinds of controlled alarms, PLC, DCS and other control system, can be remote monitored.
2. Explosion-proof design, fast, reliable and stable. Explosion-proof grade: Ex dⅡCT6
3. With self-calibration function, and three standard keys will be used to realize on-site maintenance.
4. Monitor the O2 concentration in environment or pipeline and alarm.
5. Two-stage alarm with sound and light, alarm point is settable.
6. Infrared ray controller can remote control alarm point settings, zero calibration, and address modification.
7. Can output one or two on-off signals, can drive ventilator or solenoid valve and other external devices.
The detector working with gas controller can be used to detect gas in refinery, chemical plant, LPG station, boiler room, painting plant and other places with gas exists.
1. We are manufacturer with competitive price
2. Portable, small size, lightweight
3. Reasonable structure design
4. The products can be customized according to user requirements
5. Best after-sales service
6. We provide one-stop services, from conceptual design to prototyping to mass production.
7. Our rich experience in design and manufacturing technologies enable us to meet our customer ODM and OEM requirements.
Why choose us?
1. Mutual benefit : We are a factory, our price will be cheaper in the same quality.
2. Professional engineers: We have 3 engineers who have more than 10 years’ experience and over 5 engineer assistants in gas detection line, with Hi-Tech equipments, we make more accurate and stable products.
3. Customize : We have strong R&D team, can custom product as your request.
4. Free OEM service : (a) Silk-printing your Logo(≥100PCS). (b) Design your color box(≥200PCS).
5. Mix order : We accept mix order, different model and small quantity order.
6. After service: (a) 1 Year warranty. (b) If you found any inferior-quality products from us, we will send new ones to replace for free in your next order after confirmed.
Q: Can I order one piece for sample to test the quality?
A: Yes, We recommend to check the sample before order.
Q: May I have your catalogue and price list for trial order in MOQ quantity?
A: All our products were shown on Made in China, please have a detailed looking and choose the interested models in our site. Or you can send email to us.
Q: If I order big quantity, what’s the good price?
A: Please send the details enquiry to us, such as the Item Number, Quantity for each item, Quality request, Logo, Payment Terms, Transport method, Discharge place etc. We will make the accurate quotation to you as soon as possible.
Instrument Supermarket was funded by Abarke Group, the team is formated by expert specialized in the instrumentation industry leader and technical personnel.We are committed to build the world’s largest instrument integrated service platform,and make global instrument transactions become transparent, simple and efficient.Advantage”Variety”, to provide users with one-stop shopping platform.”Fast”, Professional logistics team to achieve speed delivery services.”Good,” guaranteed authentic licensed merchandise quality forever.”Cheap”, relying on low-cost and high efficiency to achieve low prices.Our business principles are integrity, in order to create a century enterprises.We are looking forward to your corporation. portable CO gas alarm