
Pn25 10" Rubber Lined Gate Valves for Sea Water Oil Gas Ductile Iron Gate Valve
Product Introduction
We use advanced production equipment and the latest technology to ensure a longer service life of our Sanitary Pneumatic Ball Valve, Pipe Fitting, Stainless Steel Flange Slip On Weld Neck. We adhere to the customer first and insist on modesty, honesty and diligence. In order to release more resources and promote the innovation and growth of our company, we cooperate with each other in real time. Under the difficult and complicated severe environment, we remain united, operate steadily and improve quality and efficiency. Your needs are the driving force of our growth, your affirmation is the cornerstone of our development, we are willing to grow together with you.
Name | Material | ||||||||
Body/Bonnet | CF8 | CF3 | CF8M | CF3M | WCB | LCB | WC6 | WC9 | C5 |
Wedge | CF8 | CF3 | CF8M | CF3M | WCB | LCB | WC6 | WC9 | C5 |
Stem | F304 | F304L | F316 | F316L | 2CR13 | F304 | F304 | F304 | F304 |
Stem Nut | Aluminium Bronze | ||||||||
Packing | PTFF | Graphite | |||||||
Gasket | PTFF | Graphite | |||||||
Gland | CF8 | CF3 | CF8M | CF3M | WCB | LCB | WC6 | WC9 | C5 |
Bolt | Stainless Steel | 35CrMoA | |||||||
Nut | Stainless Steel | 45,35CrMoA | |||||||
Handwheel | Cast Steel | ||||||||
Gate Valve GB/T12234 Metal Seated For Fuel Oil Water

Standards
Design and manufacture as GB/T12234 Face to face dimensions as GB/T12221
End flange dimension as JR/T79 Pressure test as JB/T9092
Test Pressure
Test Item | Shell Test | Seal Test | Back Seal Test | Air Seal Test | |
Medium | Water | Air | |||
Unit | MPa | MPa | MPa | MPa | |
Nominal Pressure PN(MPa) | 1.0 | 1.5 | 1.1 | 1.1 | 0.5-0.7 |
1.6 | 2.4 | 1.8 | 1.8 | ||
2.5 | 3.8 | 2.8 | 2.8 | ||
4.0 | 6.0 | 4.4 | 4.4 | ||
6.4 | 9.6 | 7.0 | 7.0 | ||
10.0 | 15.0 | 11.0 | 11.0 | ||
16.0 | 24.0 | 18.0 | 18.0 | ||
Materials for Main Parts

Main Connection Dimensions
Dimensions | |||||||||
Type | DN(mm) | L | D | Dl | D2 | b-f | z-ød | H | Do |
H Z41W-10 Y H Z641W-10 Y H Z941W-10 Y | 15 | 130 | 95 | 65 | 45 | 12-2 | 4-ø14 | 185 | 120 |
20 | 150 | 105 | 75 | 55 | 14-2 | 4-ø14 | 200 | 120 | |
25 | 160 | 115 | 85 | 65 | 14-2 | 4-ø14 | 225 | 140 | |
32 | 180 | 135 | 100 | 78 | 16-2 | 4-ø18 | 275 | 160 | |
40 | 165 | 145 | 110 | 85 | 16-3 | 4-ø18 | 290 | 160 | |
50 | 180 | 160 | 125 | 100 | 16-3 | 4-ø18 | 345 | 200 | |
65 | 195 | 180 | 145 | 120 | 18-3 | 4-ø14 | 360 | 220 | |
80 | 210 | 195 | 160 | 135 | 18-3 | 4-ø18 | 380 | 240 | |
100 | 230 | 215 | 180 | 155 | 20-3 | 8-ø18 | 430 | 280 | |
125 | 255 | 245 | 210 | 185 | 22-3 | 8-ø18 | 520 | 300 | |
150 | 280 | 280 | 240 | 210 | 22-3 | 8-ø23 | 600 | 320 | |
200 | 330 | 335 | 295 | 265 | 22-3 | 8-ø23 | 765 | 400 | |
250 | 380 | 390 | 350 | 320 | 24-3 | 12-ø23 | 930 | 450 | |
300 | 420 | 440 | 400 | 368 | 26-3 | 12-ø23 | 1080 | 500 | |
350 | 450 | 500 | 460 | 428 | 26-4 | 16-ø23 | 1200 | 500 | |
400 | 480 | 565 | 515 | 482 | 26-4 | 16-ø35 | 1400 | 550 | |
450 | 510 | 615 | 565 | 532 | 26-4 | 20-ø25 | 1500 | 600 | |
500 | 540 | 670 | 620 | 585 | 28-4 | 20-ø25 | 1630 | 650 | |
H Z41W-16 Y H Z641W-16 Y H Z941W-16 Y | 15 | 130 | 95 | 65 | 45 | 14-2 | 4-ø14 | 185 | 120 |
20 | 150 | 105 | 75 | 55 | 14-2 | 4-ø14 | 200 | 120 | |
25 | 160 | 115 | 85 | 65 | 14-2 | 4-ø14 | 225 | 140 | |
32 | 180 | 135 | 100 | 78 | 16-2 | 4-ø18 | 275 | 160 | |
40 | 200 | 145 | 110 | 85 | 16-3 | 4-ø18 | 295 | 200 | |
50 | 250 | 160 | 125 | 100 | 16-3 | 4-ø18 | 350 | 220 | |
65 | 265 | 180 | 145 | 120 | 18-3 | 4-ø18 | 370 | 240 | |
80 | 280 | 195 | 160 | 135 | 20-3 | 8-ø18 | 390 | 280 | |
100 | 300 | 215 | 180 | 155 | 20-3 | 8-ø18 | 435 | 300 | |
125 | 325 | 245 | 210 | 185 | 22-3 | 8-ø18 | 520 | 320 | |
150 | 350 | 280 | 240 | 210 | 24-3 | 8-ø23 | 610 | 350 | |
200 | 400 | 335 | 295 | 265 | 26-3 | 12-ø23 | 785 | 400 | |
250 | 450 | 405 | 355 | 320 | 30-3 | 12-ø25 | 930 | 450 | |
300 | 500 | 460 | 410 | 375 | 30-4 | 12-ø25 | 1080 | 500 | |
350 | 550 | 520 | 470 | 435 | 34-4 | 16-ø25 | 1200 | 550 | |
400 | 600 | 580 | 525 | 485 | 36-4 | 16-ø30 | 1400 | 600 | |
450 | 650 | 640 | 585 | 545 | 40-4 | 20-ø30 | 1500 | 650 | |
500 | 700 | 705 | 650 | 608 | 44-4 | 20-ø34 | 1630 | 700 | |
H Z41W-25 Y H Z641W-25 Y H Z941W-25 Y | 15 | 130 | 95 | 65 | 45 | 16-2 | 4-ø14 | 185 | 120 |
20 | 150 | 105 | 75 | 55 | 16-2 | 4-ø14 | 200 | 120 | |
25 | 160 | 115 | 85 | 65 | 16-2 | 4-ø14 | 225 | 140 | |
32 | 180 | 135 | 100 | 78 | 18-2 | 4-ø18 | 275 | 160 | |
40 | 200 | 145 | 110 | 85 | 18-3 | 4-ø18 | 295 | 200 | |
50 | 250 | 160 | 125 | 100 | 20-3 | 4-ø18 | 350 | 220 | |
65 | 265 | 180 | 145 | 120 | 22-3 | 8-ø18 | 370 | 240 | |
80 | 280 | 195 | 160 | 135 | 22-3 | 8-ø18 | 390 | 280 | |
100 | 300 | 230 | 190 | 160 | 24-3 | 8-ø23 | 435 | 300 | |
125 | 325 | 270 | 220 | 188 | 28-3 | 8-ø25 | 520 | 320 | |
150 | 350 | 300 | 250 | 218 | 30-3 | 8-ø25 | 610 | 350 | |
200 | 400 | 360 | 310 | 278 | 34-3 | 12-ø25 | 785 | 400 | |
250 | 450 | 425 | 370 | 332 | 36-3 | 12-ø30 | 930 | 450 | |
300 | 500 | 485 | 430 | 390 | 40-4 | 16-ø30 | 1080 | 500 | |
350 | 550 | 550 | 490 | 448 | 44-4 | 16-ø34 | 1250 | 550 | |
400 | 600 | 610 | 550 | 505 | 48-4 | 16-ø34 | 1430 | 600 | |
450 | 650 | 660 | 600 | 555 | 50-4 | 20-ø34 | 1520 | 650 | |
500 | 700 | 730 | 660 | 610 | 52-4 | 20-ø41 | 1650 | 700 | |
Dimension(mm) | ||||||||||
Type | DN(mm) | L | D | Dl | D2 | D6 | b-f | fl | z-ød | H |
H Z41W-40 Y H Z641W-40 Y H Z941W-40 Y | 15 | 130 | 95 | 65 | 45 | 40 | 16-2 | 4 | 4-ø14 | 185 |
20 | 150 | 105 | 75 | 55 | 51 | 16-2 | 4 | 4-ø14 | 200 | |
25 | 160 | 115 | 85 | 65 | 58 | 16-2 | 4 | 4-ø14 | 225 | |
32 | 180 | 135 | 100 | 78 | 66 | 18-2 | 4 | 4-ø18 | 275 | |
40 | 200 | 145 | 110 | 85 | 76 | 18-3 | 4 | 4-ø18 | 295 | |
50 | 250 | 160 | 125 | 100 | 88 | 20-3 | 4 | 4-ø18 | 350 | |
65 | 280 | 180 | 145 | 120 | 110 | 22-3 | 4 | 8-ø18 | 370 | |
80 | 310 | 195 | 160 | 135 | 121 | 22-3 | 4 | 8-ø18 | 390 | |
100 | 350 | 230 | 190 | 160 | 150 | 24-3 | 4.5 | 8-ø23 | 435 | |
125 | 400 | 270 | 220 | 188 | 176 | 28-3 | 4.5 | 8-ø25 | 520 | |
150 | 450 | 300 | 250 | 218 | 204 | 30-3 | 4.5 | 8-ø25 | 610 | |
200 | 550 | 375 | 320 | 282 | 260 | 38-3 | 4.5 | 12-ø30 | 970 | |
250 | 650 | 445 | 385 | 345 | 313 | 42-3 | 4.5 | 12-ø34 | 930 | |
300 | 750 | 510 | 450 | 408 | 364 | 46-4 | 4.5 | 16-ø34 | 1080 | |
350 | 850 | 570 | 510 | 465 | 422 | 52-4 | 5 | 16-ø34 | 1250 | |
400 | 950 | 655 | 585 | 535 | 474 | 58-4 | 5 | 16-ø41 | 1430 | |
450 | 1050 | 680 | 610 | 560 | 524 | 60-4 | 5 | 20-ø41 | 1520 | |
500 | 1150 | 755 | 670 | 612 | 576 | 62-4 | 5 | 20-ø48 | 1650 | |
Main Connection Dimensions
Dimensions | ||||||||||
Type | DN(mm) | L | D | Dl | D2 | D6 | B-f | f1 | z-ød | H |
H Z41W-64 Y H Z641W-64 Y H Z941W-64 Y | 15 | 170 | 105 | 75 | 55 | 40 | 18-2 | 4 | 4-ø14 | 185 |
20 | 190 | 125 | 90 | 68 | 51 | 20-2 | 4 | 4-ø18 | 200 | |
25 | 210 | 135 | 100 | 78 | 58 | 22-2 | 4 | 4-ø18 | 225 | |
32 | 230 | 150 | 110 | 82 | 66 | 24-2 | 4 | 4-ø23 | 280 | |
40 | 240 | 165 | 125 | 95 | 76 | 24-3 | 4 | 4-ø23 | 300 | |
50 | 250 | 175 | 135 | 105 | 88 | 26-3 | 4 | 4-ø23 | 360 | |
65 | 280 | 200 | 160 | 130 | 110 | 28-3 | 4 | 8-ø23 | 385 | |
80 | 310 | 210 | 170 | 140 | 121 | 30-3 | 4 | 8-ø23 | 400 | |
100 | 350 | 250 | 200 | 168 | 150 | 32-3 | 4.5 | 8-ø25 | 450 | |
125 | 400 | 295 | 240 | 202 | 176 | 36-3 | 4.5 | 8-ø30 | 540 | |
150 | 450 | 340 | 280 | 240 | 204 | 38-3 | 4.5 | 8-ø34 | 630 | |
200 | 550 | 405 | 345 | 300 | 260 | 44-3 | 4.5 | 12-ø34 | 820 | |
250 | 650 | 470 | 400 | 352 | 313 | 48-3 | 4.5 | 12-ø41 | 960 | |
300 | 750 | 530 | 460 | 412 | 364 | 54-4 | 4.5 | 16-ø41 | 1130 | |
350 | 850 | 595 | 525 | 475 | 422 | 60-4 | 5 | 16-ø41 | 1300 | |
400 | 950 | 670 | 585 | 525 | 474 | 66-4 | 5 | 16-048 | 1450 | |
450 | 1050 | 715 | 630 | 570 | 524 | 70-4 | 5 | 20-ø48 | 1550 | |
500 | 1150 | 800 | 705 | 640 | 576 | 70-4 | 5 | 20-ø54 | 1680 | |
H Z41W-100 Y H Z641W-100 Y H Z941W-100 Y | 15 | 170 | 105 | 75 | 55 | 40 | 20-2 | 4 | 4-ø14 | 185 |
20 | 190 | 125 | 90 | 68 | 51 | 22-2 | 4 | 4-ø18 | 200 | |
25 | 210 | 135 | 100 | 78 | 58 | 24-2 | 4 | 4-ø18 | 225 | |
32 | 230 | 150 | 110 | 82 | 66 | 24-2 | 4 | 4-ø23 | 280 | |
40 | 240 | 165 | 125 | 95 | 76 | 26-3 | 4 | 4-ø23 | 300 | |
50 | 250 | 195 | 145 | 112 | 88 | 28-3 | 4 | 4-ø25 | 360 | |
65 | 280 | 220 | 170 | 138 | 110 | 32-3 | 4 | 8-ø25 | 385 | |
80 | 310 | 230 | 180 | 148 | 121 | 34-3 | 4 | 8-ø25 | 400 | |
100 | 350 | 265 | 210 | 172 | 150 | 38-3 | 4.5 | 8-ø30 | 450 | |
125 | 400 | 310 | 250 | 210 | 176 | 42-3 | 4.5 | 8-ø34 | 540 | |
150 | 450 | 350 | 290 | 250 | 204 | 46-3 | 4.5 | 12-ø34 | 630 | |
200 | 550 | 430 | 360 | 312 | 260 | 54-3 | 4.5 | 12-ø41 | 820 | |
250 | 650 | 500 | 430 | 382 | 313 | 60-3 | 4.5 | 12-ø41 | 960 | |
350 | 850 | 655 | 560 | 498 | 422 | 76-4 | 5 | 16-ø54 | 1300 | |
400 | 950 | 715 | 620 | 558 | 474 | 80-4 | 5 | 16-ø54 | 1450 | |
450 | 1050 | 770 | 675 | 615 | 524 | 84-4 | 5 | 16-ø58 | 1550 | |
500 | 1150 | 870 | 760 | 690 | 576 | 90-5 | 5 | 20-ø58 | 1680 | |
Summary:
Z41H, Z41Y, Z41W stainless steel gate valve: manual, flange connection, rising stem wedge type rigid single gate valve, valve seat sealing surface material is stainless steel, nominal pressure is PN16 ~ pn200, valve body material is stainless steel gate valve.
Z41W, Z41Y and Z41H stainless steel gate valves have compact structure, reasonable design, good rigidity, smooth passage and small flow resistance coefficient. The sealing surface is made of stainless steel and cemented carbide, with long service life, flexible graphite packing, reliable sealing and light and flexible operation.
Product advantages:
① In line with the requirements of advanced standards at home and abroad, reliable sealing, excellent performance, beautiful appearance.
② The sealing pairs are advanced and reasonable, and the sealing surfaces of the gate and valve seat are overlaid with cemented carbide with different hardness. The sealing is reliable, with high hardness, wear resistance, high temperature resistance, corrosion resistance, good scratch resistance and long service life.
③ After quenching and tempering and surface nitriding treatment, the valve stem has good corrosion resistance, abrasion resistance and abrasion resistance.
④ All kinds of piping flange standards and flange sealing surface forms can be adopted to meet various engineering needs and user requirements.
Application:
It is applied to the pipelines of various systems of petroleum, chemical, hydraulic and thermal power plants with working pressure of 1.6Mpa ~ 20.0Mpa and working temperature of - 29 ℃ ~ 200 ℃. The applicable media are nitric acid, acetic acid, water, oil, gas and some corrosive liquids.
Price:Our price fluctuates with raw materials and exchange rate.
Please leave your contact information and give you a new quotation as soon as possible.
Packing: wooden case, wooden pallet or packing method specified by customers.
Our factory has always adhered to the corporate tenet of honesty, quality as the root, perfect service, and strict management, and has won the support and trust of people in the industry of Pn25 10" Rubber Lined Gate Valves for Sea Water Oil Gas Ductile Iron Gate Valve. We understand the market. We are a company established after the implementation of modern economic reform. We focus on the market and always stay in the market. In the future, the situation facing our company's production and operation development will be more severe and the task more demanding, but we will also continue to march forward.
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