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wealwaysWe firmly believe in a century long plan, and we adhere to quality to achieve high-quality valves. With our commitment to quality, we create excellent services.The company mainly produces various high-quality valves such as gate valves, ball valves, butterfly valves, high-temperature valves, high-pressure valves, power station valves, industrial valves, etc.If you need to search for more informationStainless steel flange gate valveRelated product information, Zhejiang Shangou Valve Product Classification →Excellent quality and serviceUp to EuropeCreate more value for you!
Stainless steel flange gate valveZ41H, Z41Y, Z41W: manual, flange connection form, rising stem wedge rigid single gate valve, valve seat sealing surface material is stainless steel, nominal pressure PN16~PN200, valve body material is stainless steel gate valve.
Stainless steel flange gate valveZ41W, Z41Y, and Z41H have compact structures, reasonable designs, good valve rigidity, smooth channels, and low flow resistance coefficients. The sealing surfaces are made of stainless steel and hard alloy, with a long service life. They use flexible graphite packing, reliable sealing, and easy and flexible operation. Applied to pipelines of various systems in petroleum, chemical, hydraulic, and thermal power plants with working pressures of 1.6MPa~20.0MPa and working temperatures of -29 ℃~200 ℃. Suitable media include nitric acid, acetic acid, water, oil, gas, and certain corrosive liquids.
Stainless steel flange gate valveProduct Features:
① Meets the requirements of * standard, with reliable sealing, excellent performance, and beautiful appearance.
② The sealing pair is matched reasonably, and the sealing surfaces of the gate and valve seat are made of hard alloy welding with different hardness. The sealing is reliable, high hardness, wear-resistant, high temperature resistant, corrosion-resistant, scratch resistant, and has a long service life.
③ The valve stem has undergone quenching and surface nitriding treatment, exhibiting excellent corrosion resistance, abrasion resistance, and wear resistance.
④ Various piping flange standards and flange sealing surface forms can be adopted to meet various engineering needs and user requirements.
Stainless steel flange gate valveProduct performance parameters
Main performance parameters of Z41H, Z41Y, Z41W stainless steel gate valves |
model |
PN |
work pressure/ MPa |
Applicable Temperature/℃ |
Applicable Medium |
Z41W-16P~25P |
16~25 |
1.6~2.5 |
≤ 150 |
Weakly corrosive medium |
Z41Y-16P~25P |
Z41W-16R~25R |
Z41Y-16R~25R |
Z41W-40P~63P |
40~63 |
4.0~6.3 |
≤ 150 |
Weakly corrosive medium |
Z41Y-40P~63P |
Z41W-40R~63R |
Z41Y-40R~63R |
Z41Y-100P~160P |
100~160 |
10.0~16.0 |
≤ 150 |
Weakly corrosive medium |
Z41Y-100R~160R |
Z41H-40P~200P |
40~200 |
4.0~20.0 |
≤ 200 |
Nitric acid |
Z41H-40R~200R |
Stainless steel flange gate valveProduct component materials
Z41H, Z41Y, Z41W stainless steel gate valve component materials |
|
model |
material |
|
Valve body, valve cover, gate plate |
valve stem |
sealing surface |
filler |
|
Z41W-16P~25P |
Chromium nickel titanium stainless steel |
Chromium nickel titanium stainless steel |
Body material |
Asbestos graphite or flexible graphite |
|
Z41Y-16P~25P |
Hard alloy overlay welding |
|
Z41W-16R~25R |
Chromium nickel molybdenum titanium stainless steel |
Chromium nickel molybdenum titanium stainless steel |
Body material |
|
Z41Y-16R~25R |
Hard alloy overlay welding |
|
Z41W-40P~63P |
Chromium nickel titanium stainless steel |
Chromium nickel titanium stainless steel |
Body material |
Polytetrafluoroethylene |
|
Z41Y-40P~63P |
Hard alloy overlay welding |
|
Z41W-40R~63R |
Chromium nickel molybdenum titanium stainless steel |
Chromium nickel molybdenum titanium stainless steel |
Body material |
|
Z41Y-40R~63R |
Hard alloy overlay welding |
|
Z41Y-100P~160P |
Chromium nickel titanium stainless steel |
Chromium nickel titanium stainless steel |
Hard alloy overlay welding |
Polytetrafluoroethylene |
|
Z41Y-100R~160R |
Chromium nickel molybdenum titanium stainless steel |
Chromium nickel molybdenum titanium stainless steel |
|
Z41H-40P~200P |
Chromium nickel titanium stainless steel |
stainless steel |
Stainless steel or stainless steel+hard alloy |
flexible graphite |
|
Z41H-40R~200R |
Chromium nickel molybdenum titanium stainless steel |
stainless steel |
Stainless steel or stainless steel+hard alloy |
flexible graphite |
|
Stainless steel flange gate valveProduct appearance and structural dimensions（PN16）
Z41H, Z41Y, Z41W (PN16) stainless steel gate valves with external shape and structural dimensions (mm) |
DN |
L |
D |
D1 |
D2 |
b |
f |
z×d |
H |
D0 |
weight/ kg |
15 |
130 |
95 |
65 |
45 |
14 |
2 |
4×14 |
175 |
200 |
4 |
20 |
150 |
105 |
75 |
55 |
14 |
2 |
4×14 |
180 |
200 |
5 |
25 |
160 |
115 |
85 |
65 |
14 |
2 |
4×14 |
210 |
200 |
6 |
32 |
180 |
135 |
100 |
78 |
16 |
2 |
4×18 |
210 |
200 |
7 |
40 |
200 |
145 |
110 |
85 |
16 |
3 |
4×18 |
350 |
200 |
19 |
50 |
250 |
160 |
125 |
100 |
16 |
3 |
4×18 |
358 |
240 |
29 |
65 |
265 |
180 |
145 |
120 |
18 |
3 |
4×18 |
375 |
240 |
33 |
80 |
280 |
195 |
160 |
135 |
20 |
3 |
8×18 |
433 |
280 |
45 |
100 |
300 |
215 |
180 |
155 |
20 |
3 |
8×18 |
502 |
320 |
63 |
125 |
325 |
245 |
210 |
185 |
22 |
3 |
8×18 |
612 |
360 |
108 |
150 |
350 |
280 |
240 |
210 |
24 |
3 |
8×23 |
676 |
360 |
134 |
200 |
400 |
335 |
295 |
265 |
26 |
3 |
12×23 |
820 |
400 |
192 |
250 |
450 |
405 |
355 |
320 |
30 |
3 |
12×25 |
969 |
450 |
273 |
300 |
500 |
460 |
410 |
375 |
30 |
4 |
12×25 |
1142 |
560 |
379 |
350 |
550 |
520 |
470 |
435 |
34 |
4 |
16×25 |
1280 |
640 |
590 |
400 |
600 |
580 |
525 |
485 |
36 |
4 |
16×30 |
1452 |
640 |
850 |
450 |
650 |
640 |
585 |
545 |
40 |
4 |
20×30 |
1541 |
720 |
907 |
500 |
700 |
705 |
650 |
608 |
44 |
4 |
20×34 |
1676 |
720 |
958 |
600 |
800 |
840 |
770 |
718 |
48 |
5 |
20×41 |
1874 |
800 |
1112 |
?Zhejiang Shangou ValveOrdering Notice: We can provide you with professional solutions, including design, customization, complete sets, operation, and service. We have been committed to the field of valve industry, providing you with new valve knowledge, good services, and excellent technical consultants.If you have any questions, you can call us,We will do our best to provide you with high-quality service.If our company has already been selected by the design unitStainless steel flange gate valveproductPlease, according toStainless steel flange gate valveOrder the parameters directly from our sales center. When the occasion you use it is very importantorWhen the environment is complex,Please provide design drawings and detailed parameters, our engineers and experts will focus on reviewing and analyzing for you. We aspire to become a valve manufacturer. Service commitment of Shangou Valve:
(1) Strictly follow the contract requirements and provide products that meet design standards and have qualified quality.
(2) Strictly inspect and control the incoming quality of raw materials, components, and supporting parts.
(3) Ensure that the processing technology and testing methods of the supplied equipment are complete. The product will never leave the factory with defects.
(4) Take full responsibility for any issues related to subcontractor's supply, quality, equipment performance, technical interfaces, services, etc. The key components specified in the contract must meet the relevant qualification requirements and be approved by the purchaser.
(5) According to the contract, provide relevant department standards and drawings to the supervision unit, and facilitate the supervision. Notify the demand party and the supervision representative 7 days in advance of the shutdown and inspection parts of the supervision equipment. The supervision appointed by the demand party is to urge us to produce qualified products according to the standards, but it does not reduce all our quality responsibilities.
(6) Timely report any quality defects that occur during the equipment manufacturing process to the demand side and the supervision representative, and do not conceal them. If the equipment defect exceeds the standard specified in the contract, the supplier shall replace it unconditionally. During the installation and trial operation process, if there are quality issues with the equipment, the problem should be dealt with first, and then responsibilities should be clarified, all based on meeting the requirements of the project schedule.
(7) We will insure the equipment provided during the manufacturing, transportation, and loading/unloading processes. In the event of an accident, we will promptly replace and repair the equipment as needed free of charge until the buyer is satisfied.
(8) If any missing parts or other reasons cause the loss of components during the unpacking process, we are responsible for promptly and free of charge filling the missing parts. If any quality problems are found during the installation and debugging process of the equipment, as well as during the operation of the equipment in the future, and are caused by our side, we will bear the responsibility.
(9) Provide the purchaser with all technical information and drawings as stipulated in the contract on time. It is our obligation to invite the demand side to participate in our technical design review when necessary.
(10) Provide technical services on site at the requested time, and guide the demander to install, test run, and produce according to our technical data and drawings.
(11) For the supporting equipment related to the contract equipment purchased by the demander first, we will proactively provide technical conditions and information that meet the equipment interface requirements.
(12) Strictly implement the minutes or agreements of meetings held by both the supply and demand sides on relevant issues.
(13) According to the contract, free business classes on equipment installation, debugging, use, and maintenance technology will be held for the demander.
(14) Strengthen pre-sales, in sales, and after-sales services, and implement '24-hour service', 'advanced service', 'full process service', and 'lifelong service' throughout the entire process of product manufacturing, installation, debugging, and major repairs.
(15) After receiving quality issue information reported by the demand side, respond or dispatch service personnel within 24 hours, arrive at the site as soon as possible, and ensure that the service does not stop if the user is not satisfied with the quality.
(16) We provide lifelong maintenance for our products for free. All our factory users have established detailed user profiles and we offer after-sales service. Personnel shall conduct regular follow-up visits, establish a system to guide users in daily maintenance, and promptly identify and resolve potential malfunctions.
(17) Always meet the requirements of the demand for spare parts, and provide customers with high-quality and affordable spare parts for life.
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