Cast Steel Flanged Gate Valves
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Cast Steel Flanged Gate Valves
Specifications Of Cast Steel Flanged Gate Valves:
Nominal Diameter: DN15~200mm
Nominal Pressure: 1.6MPa
Suitable Medium: water, steam, oil
Suitable Temperature: ≤100°C
Type of drive: hand lever, worm gear, electric
Body And Bonnet Connection Of Cast Steel Flanged Gate Valves：
The body and bonnet of Class 150-Class 800 globe valves are usually with studs and nuts,And the body and bonnet of Class 1500-Class 2000 globe valves are usually of pressurized seal design.
Back Seating Design Of Cast Steel Flanged Gate Valves:
All our globe valves have the back seating design. In most cases, the carbon steel globe valves is fitted with a renewable back seat. For stainless steel globe valve, the back seat is machined directly in the bonnet or is machined after welding. When the globe valve is at fully open position, the sealing of the back seat can be very reliable. However, as per the requirement of API 600, it is not advisable to add or change packing by the mean of back seating when the valve is pressure containing
Design Feature Of Cast Steel Flanged Gate Valves：
Rational structure, reliable sealing, excellent performance, pretty appearance.
Co-radix alloy welded sealing surface, anti-wearing, erosion-proof abrasion-proof and longer use life.
The surface and the adjusting media of the valve shaft are nitrogenzed so that it is erosion and abrasion resistant.
Class≥1500,the middle cavity uses a self-tightening sealing structure to have the sealing performance reinforced along with the pressure rise so as to ensure the sealing performance.
There is no backward sealing structure in the valve, so the sealing is reliable.
The material of the filling and the flange size can be chosen and matched according to the applications and the requirements of the wier/s. That can satisfies all kinds of working requirements
Packaging & Delivery Of Cast Steel Flanged Gate Valves：
Molded flexible graphite is used for packing material. PTFE or combined packing material can be also used if being requested by the customer. The internal surface of the stuffing box, of which area is contacted with the packing, is of excellent finish(Ra 3.2µm). The stem surface, contacting with the packing, should be rolled and pressed after being precisely machined, so as to reach to the high finish and compactness (Ra 0.8µm) and ensure the reliable tightness of the stem area.
Usage/Applications Of Cast Steel Flanged Gate Valves:
These products are widely used in water source projects, urban water supply and drainage, sewage treatment, electric power, petroleum, petrochemical, heat supply, shipbuilding, medicine and metallurgy industries.
Valves are used for regulating or cutting off liquids in pipelines. Liquids available include water, sewage, sea water, air, foodstuff and oil.
- Q: What are the working principles of the electric gate valve?
- Ordinary type electric valve should be equipped with the control box, the motor is the true story and the inversion, and in general to a trip signal signal is normally open and normally closed, closed in place are normally open and normally closed two points according to their own needs wiring, three lines and then open and close control of the line of control there are also 4 lines to control some manufacturers, as well as the valve position, some three lines connected with the potentiometer, some installed valve position transmitter is connected with two lines, and over torque protection fault signal.
- Q: What is the difference between the cut-off valve and gate valve, the general will use the cut-off valve instead of gate valve
- Yes. Globe valves and gate valves are indeed common in certain piping and operating conditions.
- Q: What type of flange does it fit with the gate valve?
- According to the welding plate flange, flange material selection of piping material.
- Q: What are the specifications of the gate valves? Does the work pressure need to be marked separately?
- According to domestic valve model standards, the valve model is by the valve type, gate valve drive mode, gate valve connection, gate valve structure, sealing material, valve body material code to indicate.1, gate valve type code named Z;2, gate valve drive mode code by letters, common 2- electric hydraulic, 9- electric, 6- pneumatic, 5- bevel gear drive, 3- turbo worm; manual do not need to write out;3, gate valve connection form code with letters to indicate, 1- internal thread, 2- external thread, 4- flange type, 6- welding, 7- pairs clamp type, 9- clamp, 0- card sleeve;4, the valve structure of code, 0- flexible wedge, 1- rod single wedge gate valve, 2- rising stem wedge gate valve, 3- parallel single gate valve, 4- parallel double gate valve,
- Q: Gate valve Z41H-16Q generally used for what place?
- Gate valve is one of the most commonly used cut-off valve, mainly used to connect or cut off the medium in the pipeline, not applicable to regulating medium flow. Suitable for medium and large diameter pipelines.
- Q: How big valves and fittings need flange installation, such as gate valves, DN50, DN80 and the like?.
- See, you choose 100 of the pressure is not high, you can not flange
- Q: Installation and operation instructions of knife gate valve
- 3., check the packing parts require compaction, not only to ensure the sealing of the packing, but also to ensure that the gate open flexible;4., before installing the valve, users must check the valve type, size and attention to the media flow direction, to ensure consistency with the valve requirements;
- Q: What's the difference between open rod gate and dark rod gate valve?
- 4, the dark pole gate valve height smaller size; Ming rod gate valve requires a larger installation space;5, the structure of the rod gate valve is beneficial to the lubrication of the valve stem, and the degree of opening and closing is obvious. The stem thread of the dark rod gate valve is not only unable to lubricate, but also directly accepts the medium erosion and is easy to damage. Therefore, the open bar gate valve is used more widely
- Q: What is the difference between Z41X gate valve and Z45X gate valve?
- There is no difference in function. The two models are mainly made of different sealing materials,
- Q: What is an inverted seal gate valve?
- It refers to the middle part of the valve sealing valve valve sealing surface, the valve cover has a sealing seat, which is the valve and stem as well as the joint of the valve rod and the valve cover (i.e. internal stuffing box at the bottom of a sealing structure).
1. Manufacturer Overview
| Location | Shanghai, China |
| Year Established | 1993 |
| Annual Output Value | Below US$1 Million |
| Main Markets | North America; East Europe; West Europe; East Asia; Mid East |
| Company Certifications | ISO9001:2008;CE;API-6D;OHSAS18001:2007 |
2. Manufacturer Certificates
| a) Certification Name | |
| Range | |
| Reference | |
| Validity Period |
3. Manufacturer Capability
| a) Trade Capacity | |
| Nearest Port | Shanghai |
| Export Percentage | 1% - 10% |
| No.of Employees in Trade Department | above 100 People |
| Language Spoken: | English; Chinese |
| b) Factory Information | |
| Factory Size: | 89,000 square meters |
| No. of Production Lines | Above 10 |
| Contract Manufacturing | OEM Service Offered; Design Service Offered |
| Product Price Range | High; Average |
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Cast Steel Flanged Gate Valves
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or L/C
- Min Order Qty:
- 20 Sets pc
- Supply Capability:
- To Order pc/month
OKorder Service Pledge
OKorder Financial Service
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