What does Q stand for in front of QZ43WFH flat gate valve?

Here are some of the well-known brands recognized in the valve industry, which are widely recognized and have a high reputation. While rankings may vary depending on time and market conditions, the following brands are generally considered to be among the top brands in the valve industry:

The following influential first-line brands of water system valves and industrial valves can be used as a reference, but for reference only: Suzhou Neway Valve, Shanghai Guanlong Valve, Shanghai Qizhong Valve, Sanhua, Su Yan, Shentong, Su Valve, Nanfang, Jiang.

First, the word Yao. The above manufacturers are only estimates and references, and the specific situation may vary or fluctuate at any time due to changes in a series of factors such as changes in the market, the size of the competition pattern, and the stability of product quality. As an indispensable key device in industrial production and civil facilities, the quality and reputation of the valve brand directly affect the satisfaction and trust of users.

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The Z43WF mentioned above is the meaning of the soft seal of the flat gate valve without diversion hole open rod single gate valve. I have purchased before, 355363942 the manufacturer's QQ number. The quality of his home is okay.

I just know the surface of the flat gate valve.

Z43WF flat gate valve is suitable for Class150 900, working temperature -29 121 oil, natural gas, water, oil and other pipelines, used to cut off or connect the medium in the pipeline.

Z43 single-gate plate gate valve with diversion orifice is suitable for long-distance pipelines for natural gas extraction and purification.

Shanghai Seiko valve Hunan total**

A question has attracted 2 advertisements, this questioner must be a newcomer who has just started, this question is too simple, Z represents the gate valve, 4 represents the flange connection, 3 represents the parallel single ram, W represents no backflow hole, F represents the PTFE sealing surface,

Crown valve pushing.

I can't say for sure what Q stands for, but it is estimated that it is made of ductile iron, and Z stands for the meaning of the gate valve.

4 represents flange connection.

5 for concealed kongs (1 for open bars).

X stands for Rubber Seal, also known as Soft Seal.

10q stands for 10 pressure.

Z47H-16 represents a single gate plate gate valve with a dark rod and a diversion hole, and H represents a metal hard seal. This selection is generally used for the output of gas pipelines, and H seal manufacturers often recommend the use of F soft seal, or HF soft and hard combination of sealing form, because the actual use of H seal service life is not long, if it encounters frequent opening and closing of the pipe mouth, often after several times, there will be leakage. However, if you need to be durable, you can choose the Y side, although it will be a lot more expensive, but durable.

The alloy steel sealing surface of the single gate plate gate valve is consistent with the material of the body. 16 kg pressure. It is usually used on gas pipes. The information comes from the valve repair expert Suzhou Suennai Engineering Technology****.

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.

RVHX means manual gate valve, 150 refers to the caliber of DN150, and 10 represents the nominal pressure.

Z45X-16Q, Z-stands for gate valve, 4-connection form flange connection, 5-dark rod gate valve, X-rubber seal, 16-nominal pressure 16kg, Q-valve body material is ductile iron.

There is only one answer to this question.

Both models are the same rvhx, there are special 4 letters of these 4 letters, and several models have these 4 different letters I asked a lot of masters who don't know.

Z43WF is a flat gate valve, Z: gate valve; 4: flange type; 3: parallel single ram; w: no diversion hole; f: Fluoroplastic seat.

The Z41H is a wedge gate valve. z: gate valve; 4: flange type; 1: wedge-type single ram; H: CR13 series stainless steel sealing surface.

There are seven kinds of Z40, Z41, Z42, Z43, Z44, Z45, Z46, Z40 is an open rod wedge elastic ram, Z41 is an open rod wedge rigid single ram, Z42 is an open rod wedge rigid double ram, Z43 is an open rod parallel rigid single ram, Z44 is an open rod parallel rigid double ram, Z45 is a dark rod wedge rigid single ram, Z46 is a dark rod wedge rigid double ram.

Z gate valve 4 flange connection 1 open rod wedge single gate valve h for sealing surface alloy steel 16 for 16 kg pressure q for valve body material ductile iron.