Rising Stem Rubber Gate Valve

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Specifications

Specifications:
Size:DN50—DN1000
Nominal Pressure: PN10/PN16
Working Temperature: -10°C~120°C
Suitable Medium: Chemicals,air,water,steam,oil, acids,salts,etc
Standards:
Design standard: DIN3352 F4/F5, AWWA C509/515, BS5163
Face to Face: DIN3202 F4/F5,  BS5163
Flange Drilling: DIN2533 PN10/PN16, ANSI 125/150,JIS10K
Test Inspection: DIN3230, BS6755,API598
Materials:
Body:Ductile Iron
Disc: Ductile Iron+Rubber
Stem:Stainless steel
Sealing Ring: NBR, EPDM
O ring: NBR,EPDM


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Q:What is the meaning of socket welding gate valve A105, D&S:STLT, STEM:13Cr, CL800, SW, AP1602, BB-BG-OS&Y?
Body material: A105Sealing surface material: STLStem material: 13CrPressure rating: CL800Connection: SWImplementation criteria: AP1602BB-BG-OS&Y: plain rod support, bolt connection, flange valve cap.
Q:What gate DH10016, AM
The first Z represents the gate valve (the initial consonant of the Chinese phonetic alphabet for the gate); the second 2 represents the drive mode of the valve, that is, electro hydraulic drive.
Q:What are the common standards for gate valves?
1, product standardsGeneral purpose valves, flanged connections, iron gate valves, GB/T 12232-2005General requirements for steel valves GB/T 12224-2005"Steel flat gate valves for pipelines" JB/T 5298-91Inspection and test of valves. JB/T 9092-1999Standard for safety evaluation of drinking water distribution equipment and protective materials GB/T 17219-1998
Q:What are the meaning of the cast rigid gate valves z41h-16c?
According to the provisions of the JB/T 308-2004 valve type programming method:Z== gate valve4== flange connection1== rigid single gateH== sealing surface material: Cr13 stainless steel16== pressure rating: 1.6MPaC== body material: carbon steel
Q:Acid resistant alkali valve gate valve
A products have few connections and good overall steel quality.B closure speed is fast.C opening limit mechanism is convenient, flexible and precise.
Q:What's the difference between open rod gate and dark rod gate valve?
There are several differences between the open bar gate valve and the dark rod gate valve:1, the bright bar gate valve can see the screw rod, but the dark rod can not see the lead screw;2, clear shot valve is threaded through the drive rod and the steering wheel to raise or lower the valve; dark rod valve in the switch when the steering wheel is connected with the valve stem is relatively fixed, it is through the stem of a fixed point in the rotation to drive the valve to move up and down to complete the opening and closing of the;Drive screw
Q:Why the valve can only be fully open and fully closed valve can adjust the flow?
Valve, if adjusted, it is easy to wash the sealing surface, resulting in sealing surface damage.
Q:What is the difference between cut-off valve and gate valve?
Simply put, the cut-off valve is one-way, only into, do not give up, the valve is two-way
Q:Stainless steel gate valve DN150 200300 weight, who knows?
It depends on different materials and pressure levels. 304 material, high pressure weight will be much heavier.
Q:What is gate well?
Gate valve well: it is a irrigation network system which aims at improving water utilization and efficiency, aiming at the construction of water saving and high-efficiency agriculture as well as scientific and technological innovation as well as convenient operation and management.

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