Cast Steel Trunnion Mounted Flange Ball Valve

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Specification:

Size:1/2"-12"

Model:Q47F/Q347F

Pressure:150Lb-600Lb

Applicable Medium: steam, water, oil,etc

Material: WCB(GS-C25) WC6, WC9, LCB, CF8M, CF3M,ETC.

Operation:Lever,worm,electric,pneumatic

Standard:

Design and Manufacture: API 6D, ASME B16.34 ,DIN3352

Face To Face Dimension: ASME B16.10,API 6D

Flange Connection Dimension: ASME B 16.5

BW Connection Dimension: ASME B16.25

Test And Inspection: API 598, API 6D

Fire-safe Design: API 607/6FA

Q:What do you mean by gate valve type RVHX-0150-10 and Z45X-16Q?: Z45x-16q, Z means gate valve, 4 means flange connection, 5 refers to dark rod gate valve, X means rubber seal, 16 refers to nominal pressure 1.6MpaRVHX means manual gate valve, 150 refers to the caliber of DN150, and 10 indicates nominal pressure of 1.0MPa

Q:What is the gate valve for the DN65 hydrant?: Fire hydrant with 65 butterfly valve, ah, how do you use the gate valve?

Q:Why can't the pressure measuring point be set at the two ends of the gate valve when measuring the resistance loss of the gate valve?: the valve before the pressure measuring point, distance of valve straight pipe length is 5 times the diameter of the valve after the pressure valve, the distance is 10 times the diameter of straight pipe length.

Q:Why does the fire hydrant box in the air defense area need to be added with gate valves?: when the envelope from the introduction of civil air defense, air defense should be set in the side of retaining structure; through the protection unit between the closed wall, should be installed in the pipe walls on both sides of the door closed;2 protection valve nominal pressure shall not be less than 1.OMPa;

Q:What do gates, Z15T-10, Z15W-16T, Z45T/W-10, Z41T-10 mean?: Z15T stands for manual, internal thread connection, dark wedge single gate. The sealing surface is made of copper alloy. The nominal pressure is PN1MPa;Z15W-16T for manual, internal thread connection, dark wedge type single gate, the valve body material is copper alloy, the valve seat sealing surface material directly processed by the valve body, nominal pressure is PN1.6MPa;Z45T/W-10 stands for manual, flange connection, dark wedge single gate. The valve body is made of copper alloy, and the valve seat face material is directly machined by the valve body. The nominal pressure is PN1MPa;Z41T-10 stands for manual, flange connections, plain wedge single gate, sealing surface material is copper alloy, nominal pressure is PN1MPa.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

Q:Why does the centrifugal pump start and stop in the case of closing the gate valve?: After the valve is closed to stop the cause of centrifugal pump outlet valve is closed to stop the pump to prevent the flow back into the pump, impeller, impeller in reverse, part of the mechanical seal in the pump pump impeller reversal will have adverse consequences, serious damage to the centrifugal pump, to close the valve after the shutdown.

Q:What does "Z45W-10T" mean?What does each letter stand for?: For type PN10 Z45W Brass Gate ValvesZ is the valve type code, which represents the gate valve;Driving mode is hand wheel (code name omitted);4 is the connection form code, which represents the flange;5 is the gate valve structure form code, represents for the dark pole wedge rigid single gate;

Q:What is the standard for ductile iron gate valve set?: Clear shot valve installation, is still under way of connection and specifications set "water supply and drainage, heating, gas engineering" or "industrial engineering" pipeline register quota corresponding specifications and installation methods of connecting the valve installed valve section.

Q:What is the difference between the model z81x-16q and z81x-16c of the groove gate valve?: Not 16qIs 16p, the former body is stainless steel, and the latter body is carbon steel

Q:What does gate valve do?: Like other valves, the gate valve is used to block fluid flow. Is the gate valve opening and closing parts, RAM direction of motion perpendicular to the direction of the fluid, valve can only be fully open and fully closed, can not be adjusted and the throttle.

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