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Cast Stainless Steel Gate Valve A351 CF8 SS304 300LB With Bolted Bonnet Design

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Cast Stainless Steel Gate Valve A351 CF8 SS304 300LB With Bolted Bonnet Design

China Cast Stainless Steel Gate Valve A351 CF8 SS304 300LB With Bolted Bonnet Design supplier
Cast Stainless Steel Gate Valve A351 CF8 SS304 300LB With Bolted Bonnet Design supplier Cast Stainless Steel Gate Valve A351 CF8 SS304 300LB With Bolted Bonnet Design supplier

Large Image :  Cast Stainless Steel Gate Valve A351 CF8 SS304 300LB With Bolted Bonnet Design

Product Details:

Place of Origin: China
Brand Name: Tengs Valve
Certification: ISO,CE, API
Model Number: Z40W

Payment & Shipping Terms:

Minimum Order Quantity: 1 PC
Price: Negotiable
Packaging Details: Sea Worthy Plywoods, Air Worthy Plywoods
Delivery Time: 30 Days
Supply Ability: 500 Pcs Per Month
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Detailed Product Description
Body Material: Cast Stainless Steel: A351 CF8 / SS304 Trim: SS304, SS316, Dss Etc.
Stem Type: Rising Stem, RS Pressure Rating: Class 300 / 300#
Actuator: Handwheel, Gear Operated Flange Ends: RF
Applicable Medium: W.O.G Other: OEM Available

Cast Stainless Steel Gate Valve A351 CF8 SS304 Flanged Wedge Sluice Valves 300LB

 

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)

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

Pressure-temperature ratings: ASME B16.34.

 

Quick Details:

1. Type: Flanged Gate Valves Z40W
2. OS&Y, Bolted Bonnet, Solid or Flexible Wedge Design
3. Size Range: 2" to 36"
4. Pressure Ratings: Ansi Class 300 / 300#
5. Materials Available in: Cast Stainless Steel A351 CF8 / SS304
6. Various trim materials are available to suit different service conditions
7. Actuator: Manual, Handwheel, Gear Operated
8. NACE MR 0175 on request

 

Features:

1. Bonnet Gasket Style

Stainless steel + flexible graphite combined gasket is used for Class 300 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 300LB gate valves are usually connected with bolted bonnet design.

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

5. 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.

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. Flanged Cast Stainless Steel Gate Valve Parts and Material List for Class 300LB:

Cast Steel Gate Valve Sketch

Parts No. Parts Name Materials
CF8/304
1 Body ASTM A351 CF8
2 Gasket 304 + Graphite
3 Seat Ring ASTM A351 CF8
4 Gate ASTM A351 CF8
b Stem ASTM A182 F304
6 Backseat Bushing ASTM A351 CF8
7 Packing Graphite
8 Gland ASTM A182 F304
9 Gland Eyebolt ASTMA193 B8
10 Eyebolt Nut ASTM A194 8
11 Eyebolt Pin 304SS
12 Gland Flange ASTM A351 CF8
13 Bonnet Bolt ASTM A193 B8
14 Bonnet Nut ASTM A194 8
15 Bonnet ASTM A351 CF8
16 Nipple Carbon steel
17 Stem nut ASTM A439 D2
18 Yoke Sleeve Nut Carbon steel
19 Hand Wheel Ductile Iron
20 Hand Wheel Nut Carbon steel
21 Set Screw ASTM A193 B7


2. Main Connection Dimensions:

Cast Steel Gate Valve Dimensions Drawings for 300LB

 

Class Size Dimensions(mm)
NPS DN L B D G f K Z-Od C RTJ A
RF RTJ BW Y P E F
300Lb 2 50 216 232 216 49 165 91.9 1.6 127 8-19.1 22.4 108 82.55 7.92 11.91 63
21/2 65 241 257 241 62 191 104.6 1.6 149.2 8-22.2 25.4 127 101.6 7.92 11.91 75
3 80 283 298 283 74 210 127 1.6 168.3 8-22.2 28.4 146 123.82 7.92 11.91 91
4 100 305 321 305 100 254 157.2 1.6 200.2 8-22.2 31.8 175 149.22 7.92 11.91 117
6 150 403 419 403 150 318 215.9 1.6 269.8 12-22.2 36.6 241 211.12 7.92 11.91 172
8 200 419 435 419 201 381 269.7 1.6 330,2 12-25.4 41.1 302 269.88 7.92 11.91 223
10 250 457 473 457 252 445 323.9 1.6 387.4 16-28.6 47.8 356 323.85 7.92 11.91 278
12 300 502 518 502 303 521 381 1.6 450.9 16-31.8 50.8 413 381 7.92 11,91 329
14 350 762 778 762 334 584 412.8 1.6 514.4 20-31.8 53.8 457 419.1 7.92 11.91 362
16 400 838 854 838 385 648 469.9 1.6 571.5 20-34.9 57.2 508 469.9 7.92 11.91 413
18 450 914 930 914 436 711 533.4 1.6 628.7 24-34.9 60.5 575 533.4 7.92 11.91 464
20 500 991 1010 991 487 775 584.2 1.6 685.8 24-34,9 63.5 635 584.2 9.52 13.49 516
24 600 1143 1165 1143 589 914 692.2 1.6 812.8 24-41.3 69.9 749 692.15 11.13 16.66 619
26 650 1245 1270 1245 633 972 749.3 1.6 876.3 28-44.5 79.2 809.8 749.3 12.7 19.84 670
28 700 1346 1372 1346 684 1035 800.1 1.6 939.8 28-44.5 85.9 860.6 800.1 12.7 19.84 721
30 750 1397 1422 1397 735 1092 857.3 1.6 997 28-47.6 91.9 917.4 857.25 12.7 19.84 772
32 800 1524 1553 1524 779 1149 914.4 1.6 1054.1 28-50.8 98.6 984.3 914.4 14.27 23.01 825
34 850 1626 1654 1626 830 1207 965.2 1.6 1104.9 28-50.8 101.6 1035.1 965.2 14.27 23.01 876
36 900 1727 1756 1727 874 1270 1022.4 1.6 1168.4 32-54 104.6 1092.2 1022.35 14.27 23.01 927

Contact Details
Tengs Valve International Limited

Contact Person: Biff Teng

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