Tengs Valve International Limited
5 1

Pressure Sealing Cast Steel Gate Valve For High Pressure ANSI 1500LB / 2500LB

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Tengs Valve International Limited
[China]

Address
Madao West Road, Oubei Sub-district, Wenzhou City, Zhejiang Province, China Wenzhou Zhejiang
Phone
86-180-66318081
Contact name
Biff

Quick Information

  • Brand Name: Tengs Valve
  • Place of Origin: China
  • Model Number : Z40H

Description

Pressure Sealing Cast Steel Gate Valve for High Pressure Ansi 1500LB / 2500LB

 

Quick Details:

1. Type: Pressure Sealing Gate Valves Z40
2. Pressure Seal Bonnet (PSB), Flexible Wedge Design
3. Size Range: 2" to 24"
4. Pressure Ratings: ANSI 1500LB / 2500LB
5. Materials Available in: WCB, LCB, CF8, CF8M, CF3, CF3M, WC6, WC9, C5, C12 or Equivalent
6. Various trim materials are available to suit different service conditions
7. Actuator: Manual, Handwheel, Gear Operated

8. Special Requirement: Nace Mr 0175

9. Specail Testing: RT, LP, MT Inspection.

 

Application:

Oil and Gas, Petrochemical, Power, Energy Industry etc.

 

Standards

Design and Manufacture: Cast steel gate valve to API 600 or API 6D;

Inspection and Test: API 598, API 600 or API 6D.

End flange dimension: ASME B16.5 (for NPS≤24)

BW end dimension: ASME B16.25.

Face to face and end to end: ASME B16.10.

Pressure-temperature ratings: ASME B16.34.

 

Features:

1. Bonnet Gasket Style

Pressurized seal design is used for Class 1500 ~ Class 2500 gate valve.

2. Packing Seal

As usual, flexible graphite is used for packing material. PTFE or combined packing material can be also used if being requosted by the customer.

3. Body and Bonnet Connection

Class 1500 ~ Class 2500 gate valves usually adopt pressure seal bonnet design

4. Seat

For carbon steel gate valve, the seat is usually forged steel. The seat sealing surface is overlaying welded with hard alloy specified by the customer. For Stainless steel gate valve, the seat is integral with body, or it can be machined directly after hard alloy welded.

5. Disc Design
NPS≥2 Gate valves are flexible wedge gate.

6. Backseat Design

All gate valves have backseat design. In most cases,the carbon steel gate valve is fitted with a renewable back seat. For stainless steel gate valve, the back seat is machined directly in the bonnet or be machined after welding.

7. Stem Design

The stem is integral forged design. The minimum diameter of the stem shall be as per the standard requirement.

8 .Stem Nut

Usually, the stem nut is made of ASTM A439 D2. It is also can be made of copper alloy or other materials if being requested by the customer.

9. Operation

Hand wheel or bevel gear box is usually used for gate valve operation.

 

Description:

1. Pressure Seal Cast Steel Gate Valve Parts and Material List for Class 1500LB / 2500LB:

Pressure Seal Cast Steel Gate Valve Drawing for 1500LB-2500LB

Parts No. Parts Name Materials
WCB/Trim 5 WCB/Trim 8 CF8/304 CF8M/316
1 Body ASTM A216 WCB ASTM A216 WCB ASTM A351 CF8 ASTM A351 CF8M
2 Yoke WCB WCB CF8 CF8M
3 Gate ASTM A216 WCB +STL ASTM A216 WCB + 13CR ASTM A351 CF8 ASTM A351 CF8M
4 Stem ASTM A182F6a ASTM A182F6a ASTM A182 F304 ASTM A182 F316
5 Seat Ring A105 + STL A105 + STL ASTM A351 CF8 ASTM A351 CF8M
6 Bonnet ASTM A216 WCB ASTM A216 WCB ASTM A351 CF8 ASTM A351 CF8M
7 Gasket 304 + Graphite 304 + Graphite 316+Graphite
8 Adapter Ring Carbon Steel SS304 SS316
9 Retainer Carbon Steel SS304 SS316
10 Yoke Cap Carbon Steel Stainless Steel
11 Bonnet Stud A193-B7 A193-B8 A193-B8M
12 Bonnet Stud Nut A194-2H A194-8 A194-8M
13 Packing Graphite
14 Gland ASTM A182F6a ASTM A182F6a ASTM A182 F304 ASTM A182 F316
15 Gland Flange ASTM A216 WCB ASTM A216 WCB ASTM A351 CF8 ASTM A351 CF8M
16 Eyebolt Pin ASTM A36 ASTM A36 304SS 316SS
17 Eyebolt ASTMA193 B7 ASTM A193 B7 ASTMA193 B8 ASTM A193 B8M
18 Eyebolt Nut ASTM A194 2H ASTM A194 2H ASTM A194 8 ASTM A194 8M
19 Nipple Carbon steel Carbon steel Carbon steel Carbon steel
20 Stem nut ASTM A439 D2 ASTM A439 D2 ASTM A439 02 ASTM A439 D2
21 Yoke Sleeve Nut Carbon steel Carbon steel Carbon steel Carbon steel
22 Hand Wheel Ductile Iron Ductile Iron Ductile Iron Ductile Iron
23 Hand Wheel Nut Carbon steel Carbon steel Carbon steel Carbon steel


2. Main Connection Dimensions:

Pressure Sealing Cast Steel Gate Valve Dimenions Drawing For 1500LB-2500LB

Class Size Dimensions(mm)
NFS DN L B D G   K Z-φd C RTJ A
RF RTJ BW Y P E F
1500Lb 2 50 368 371 368 49 216 91.9 6.4 165.1 8-25.4 38.1 124 95.25 7.92 11.91 63
21/2 65 419 422 419 62 244 104.6 6.4 190.5 8-28.6 41.1 137 107.95 7.92 11.91 75
3 80 470 473 470 74 267 127 6.4 203.2 8-31.8 47.8 168 136.52 7.92 11.91 91
4 100 546 549 546 100 311 157.2 6.4 241.3 8-34.9 53.8 194 161.92 7.92 11.91 117
6 150 705 711 705 144 394 215.9 6.4 317.5 12-38.1 82.6 248 211.12 9.52 13.49 172
8 200 832 841 832 192 483 269.7 6.4 393.7 12-44.5 91.9 318 269.88 11.13 16.66 223
10 250 991 1000 991 239 584 323.9 6.4 482.6 12-50.8 108 371 323.85 11.13 16.66 278
12 300 1130 1146 1130 287 673 381 6.4 571.5 16-54 124 438 381 14.27 23.01 329
14 350 1257 1276 1257 315 749 412.8 6.4 635 16-60.3 133.4 489 419.1 15.88 26.97 362
16 400 1384 1407 1384 360 826 469.9 6.4 704.9 16-66.7 146.1 546 469.9 17.48 30.18 413
18 450 1537 1559 1537 406 914 533.4 6.4 774.7 16-73 162.1 613 533.4 17.48 30.18 464
20 500 1664 1686 1664 454 984 584.2 6.4 831.9 16-79.4 177.8 673 584.2 17.48 33.32 516
24 600 1943 1972 1943 546 1168 692.2 6.4 990.6 16-92 203.2 794 692.15 20.62 36.53 619
2500Lb 2 50 451 454 451 42 235 91.9 6.4 171.5 8-28.6 50.8 133 101.6 7.92

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