High Quality Heavy stop valve.

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High Quality Heavy stop valve. Heavy stop valve size:20-63

1.Material:Random Polypropylene(Hyosung R200P);
2.ISO9001&ISO14001;
3.Standard:GB/T 18742.3-2002, DIN8077/8078;
4.OEM also ok

Q: How about the valve?: The British Hudson Valve Co. Ltd. (HUDDERSFIELD VALVES LIMITED), founded in 1964, its predecessor for the British metal parts company (ART METAL FABRICATION LTD AMF, referred to as LTD), located in the world famous one of the UK's Huddersfield valve production center (HUDDERSFIELD), the main production of various kinds of valve, valve cage valve and other valve manufacturers supporting. .

Q: What does the PN on the valve mean?: 1, mark "ON25" and "PN16" respectively what does that mean? 2, the valve above has an outer six corners, so PN16 refers to the nominal pressure of 16 kg valve. Valves on the fittings are standard parts, special

Q: such as gate valve, three way plug valve: The lower part of the pressure gauge installed water pipe, there are water, avoid high temperature, medium pressure gauge contact directly cause damage, so regular cleaning, in order to avoid congestion, three way plug function is used for flushing, please see "how to operate them.".

Q: According to the original valve installed on it, but never demolished, I am afraid to force over, will not be broken? The old valve, that part of the remaining three tubes tight.: 1. Prepare the glue and saw blade. Disengaging bracket.2, using a hand saw from the valve mouth (spool near) transverse incision.3, the center will be on the move, the longitudinal incision, be careful not to damage the inner tube.4. Clean the pipe mouth, pipe and new valve coating, install the valve.Turn left and turn right |

Q: What does the "Z45T-16" valve mean?: Z - gate valve4 - flange connection5 - Dark pole, stem non lifting (gate valve structure)T - copper alloy, valve sealing face code16 - pressure code, 1.6MPaMaterial code for grey cast iron valves of nominal pressure less than or equal to PN16 shall be omitted in model preparation.May refer to JB/T 308 valve model compilation method

Q: What does valve 41F-40C mean?: 4: refers to the flange connection;1: on behalf of the structure of the form, different valves have different meanings;F: the sealing material is fluoroplastic;40: nominal pressure is PN40bar;C: the valve body is made of carbon steel, but the valves above PN25 shall be omitted from CAccording to the incomplete model provided, it is estimated that the ball valve is Q41F-40

Q: There is a rectangular hole in the valve core, which the heating company repairman gives to the bolt. Rest assured, I do not want to heating, but my indoor temperature is low, I suspect that the repairman mischief, deliberately give me lower temperature: The heating valve refers only to a radiator system accessories, is a type of valve, the valve commonly used heating system on the market is mainly divided into: gate valve, ball valve, safety valve, balance valve, globe valve, regulator valve, relief valve, pneumatic control valve.

Q: How to better maintain the valve?: Use and maintenanceThe maintenance of the aim is to extend valve life and ensure reliable opening and closingThe stem threads, often with the stem nut friction, to a little yellow dry coating oil, molybdenum disulfide or graphite, lubricationWe do not often open and close the valve, but also on a regular basis handwheel on the stem threads to add lubricant to prevent bitingThe outdoor valve, to increase the protection sleeve on the stem, to rain, snow, dust and rustIf the mechanical valve system to be fixed, to add time to the gearbox oil

Q: What kind of valves are best used for sand drain valves?: Refinement of the Chinese market demand for the valve, like a Pyramid structure. Spire for all imported products, quality, precision, high prices, small amount of monopoly high-end users. The central part of the tower is a wholly foreign-owned and joint venture site, which corresponds to medium and high-end customers who require high quality valves and moderate prices. As for domestic enterprises, they are basically hovering at the bottom of the tower, vying for low-end users in the form of quantity and price. With the increasing rationalization of user purchasing behavior in China, more and more attention has been paid to brand and quality, and the products of sole proprietorship and joint ventures are becoming more and more popular. At the same time, the sole proprietorship and the joint venture enterprises have gradually eroded the market share of the imported products by improving the quality and reducing the cost.

Q: Excuse me American Standard pressure test valve GB standards are much ~ is how much valve pressure can play much pressure? Thank you: The standard is different, the test is not the same, what kind of valve you, a domestic valve only do stress testing, in fact, the pressure can generally be guaranteed, many are bad at high temperature or life testing above

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