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Flexible Wedge Cast Steel Gate Valve , Industrial Gate Valve Flanged / BW End

Categories Cast Steel Gate Valve
Brand Name: Tengs Valve
Model Number: Z40
Certification: ISO, CE, API
Place of Origin: China
MOQ: 1 PC
Price: Negotiable
Supply Ability: 150 Pcs Per Month
Delivery Time: 30 Days
Packaging Details: Sea Worthy Plywoods, Air Worthy Plywoods
Body Material: Cast Steel:Carbon Steel, Stainless Steel, Duplex Stainless Steel
Trim: Trim 1, Trim 5, Trim 8, SS304, SS316, Dss etc.
Size: 2in - 36in
Pressure Rating: Class 300LB / 300#
Actuator: Manual: Handwheel, Gear Operated
Connection Ends: RF, BW, Butt Welding
Painting: As per Staindards
Other: OEM Available
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Flexible Wedge Cast Steel Gate Valve , Industrial Gate Valve Flanged / BW End

Industrial Flexible Wedge Cast Steel Gate Valve Ansi 300LB Flanged / Bw Ends Z40


Quick Details:

1. Type: Gate Valves Z40
2. OS&Y, Bolted Bonnet, Flexible Wedge Design
3. Size Range: 2" to 36"
4. Pressure Ratings: ANSI 300LB / 300#
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


Application:

Water treatment, Oil and Gas, Petroleum 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),API 605 or ASME B16.47 series A,MSS SP-44 (for NPS > 24).

BW end dimension: ASME B16.25.

Socket-weld dimension: ASME B16.11.

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

Pressure-temperature ratings: ASME B16.34.


Features:

1. Bonnet Gasket Style

Stainless steel + flexible graphite wounded 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. Operation

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

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. 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.


Description:

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

Cast Steel Gate Valve Sketch

Parts No.Parts NameMaterials
WCB/Trim 1WCB/Trim 5WCB/Trim 8CF8/304CF8M/316
1BodyASTM A216 WCBASTM A216 WCBASTM A216 WCBASTM A351 CF8ASTM A351 CF8M
2GasketSofl Iron + Graphite or 304 + Graphite304 + Graphite316+Graphite
3Seat RingA105+ 13CrA105 + STLA105 + STLASTM A351 CF8ASTM A351 CF8M
4Gate

ASTM A216 WCB

+ 13CR

ASTM A216 WCB +STL

ASTM A216 WCB + 13CR

ASTM A351 CF8ASTM A351 Cr8M
bStemASTMA182F6aASTM A182F6aASTM A182F6aASTM A182 F304ASTM A182 F316
6Backseat BushingASTM A182 F6aASTM A182 F6aASTM A182 F6aASTM A351 CF8ASTM A351 CF8M
7PackingGiaphieGraphiteGraphiteGraphiteGraphite
8GlandASTM A182 F6aASTM A182F6aASTM A182F6aASTM A182 F304ASTM A182 F316
9Gland EyeboltASTMA193 B7ASTMA193 B7ASTM A193 B7ASTMA193 B8ASTM A193 B8M
10Eyebolt NutASTMA194 2HASTM A194 2HASTM A194 2HASTM A194 8ASTM A194 8M
11Eyebolt PinASTM A36ASTM A36ASTM A36304SS316SS
12Gland FlangeASTM A216 WCBASTM A216 WCBASTM A216 WCBASTM A351 CF8ASTM A351 CF8M
13Bonnet BoltASTM A193 B7ASTM A193 B7ASTM A193 B7ASTM A193 B8ASTM A193 B8M
14Bonnet NutASTM A194 2HASTM A194 2HASTMA194 2HASTM A194 8ASTM A194 8M
15BonnetASTM A216WCBASTM A216 WCBASTM A216 WCBASTM A351 CF8ASTM A351 Cf-8M
16NippleCarbon steelCarbon steelCarbon steelCarbon steelCarbon steel
17Stem nutASTM A439 D2ASTM A439 D2ASTM A439 D2ASTM A439 D2ASTM A439 D2
18Yoke Sleeve NutCarbon steelCarbon steelCarbon steelCarbon steelCarbon steel
19Hand WheelDuctile IronDuctile IronDuctile IronDuctile IronDuctile Iron
20Hand Wheel NutCarbon steelCarbon steelCarbon steelCarbon steelCarbon steel
21Set ScrewASTMA193 B7ASTMA193 B7ASTM A193 B7ASTM A193 B7ASTM A193 B7

2. Main Connection Dimensions:

Cast Steel Gate Valve Dimensions Drawings for 300LB


ClassSizeDimensions(mm)
NPSDNLBDGfKZ-OdCRTJA
RFRTJBWYPEF
300Lb2502162322164916591.91.61278-19.122.410882.557.9211.9163
21/26524125724162191104.61.6149.28-22.225.4127101.67.9211.9175
380283298283742101271.6168.38-22.228.4146123.827.9211.9191
4100305321305100254157.21.6200.28-22.231.8175149.227.9211.91117
6150403419403150318215.91.6269.812-22.236.6241211.127.9211.91172
8200419435419201381269.71.6330,212-25.441.1302269.887.9211.91223
10250457473457252445323.91.6387.416-28.647.8356323.857.9211.91278
123005025185023035213811.6450.916-31.850.84133817.9211,91329
14350762778762334584412.81.6514.420-31.853.8457419.17.9211.91362
16400838854838385648469.91.6571.520-34.957.2508469.97.9211.91413
18450914930914436711533.41.6628.724-34.960.5575533.47.9211.91464
205009911010991487775584.21.6685.824-34,963.5635584.29.5213.49516
24600114311651143589914692.2
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