Masoneilan control valves Cast iron flange

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BS5163 NRS Gate Valve
1. Manufacturer
2. TUV, ISO, SGS certified
3. WRAS Approved
4. Resilient seat EPDM seat

BS5163 NRS Gate Valve

Specification:

1. Size: 1-1/2"-24" (DN40-DN600)

2. Design Standard: BS5150, BS5163, AWWA C509/C515, DIN3202 F4/F5, MSS SP-70.

3. End Flange Connection: ANSI B 16.1, BS EN 1092(PN10, PN16), DIN 2501(PN10, PN16), BS 10 Table E

4. Disc: Grey iron, Ductile iron, with or without EPDM

5. Seat: Stainless steel, Brass/Bronze etc, Soft seat or seal: EPDM, NBR

6. Testing: API 598, ISO 5208

7. Options: Lever, Gearbox operate, Electric actuator, Pneumatic operator, Opening indicator, With limit switch, Others.

8. Type: Non rising stem, Rising stem

9. Finishing: Epoxy coating, Painting etc

10. Usage: Water supply and drainage, Electric power, Petrochemical, Metallurgical, Firefighting / Fire fighting, or other industries.

Q: What does the "PN" mark on the valve mean?: The valve will usually be marked with "DN.PN." these two signs,DN refers to the valve path, and PN refers to the pressure levelFor example: DN25, PN16Refers to the valve diameter of 25mm valve, the pressure is 16 kg (1.6Mpa)

Q: How about leaking water pipe valve?: What specific circumstances, I teach you repair what valve, how big, which seal leaks

Q: the valve to an electrical signal, with this signal to control other components, ask: what valve?: It seems that this is not a valve, it should belong to the flow switch

Q: Which brand of electric valve is good?: Electric valve does not need to use imported, domestic boutique can meet.

Q: What are the advantages and disadvantages of this method? Are there any other ways to adjust the flow rate?: This is the most widely used method of regulating flow, while protecting pumps and motors. The general classical installation method is as follows: the pump outlet is equipped with a vibration reduction joint, and then a gate valve control switch, and then install a multi-function water pump valve to adjust the flow.

Q: The valve is rusty and can not be opened. What shall I do?: There are pictures, for different valves, then choose different ways of opening.

Q: What does valve DN50/80 mean?: DN50/80 refers to the size of the valve. That is, the circulation diameter is 50mm/80mm.

Q: How to check if the gas valve is open?: Method 1: gas valve has a handle, the handle is parallel to the pipe, that is open, vertical is closed. If there is no handle, there is a rectangular main handle on the valve, the handle is parallel to the pipe, that is, the open state, vertical is closed.Method two: the valve handle and pipe to "one" word proved to come, into "ten" word is off. Also, turn the handle clockwise and turn counterclockwise.

Q: How big valves are used in a DN159 pipe?: DN159 is the valve with the DN150 in the outer diameter of the pipe.The valve size of the pipeline is classified by nominal diameter:1, the small diameter valve: nominal diameter DN = 40mm valve.2, medium diameter valve: nominal diameter DN from 50 to 300mm valve.3, chase diameter valve: nominal valve DN for 350 ~ 1200mm valve.4, large diameter valve: nominal diameter DN = 1400mm valve.The components of the valve must be handled following process before they are assembled:1, according to processing requirements, some parts need polishing, surface processing burr can not be;2. All parts are degreased;3, after degreasing, pickling and passivation, the cleaning agent does not contain phosphorus;4. After pickling, rinse with pure water, no residue of medicament, and carbon steel parts shall be omitted;5, one by one parts with non-woven fabrics dry, not cable, hair and other retained parts of the surface, or with clean nitrogen drying;6, with non-woven fabrics or precision filter paper, stained with pure alcohol, wipe parts by one, until there is no dirty color.

Q: Why is the valve on the pipeline not the same size as the pipe, and how much of a crude pipe can be given? Thank youI'm sorry, I didn't make it clear that when doing pipe work in the factory, for example, 60 of the pipe, and in this pipeline to install the valve to choose DN50, and so on.: Do you mean the form of welding? The size of the valve can be changed according to the size of the pipe!

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