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Din Stainless Steel Rising Stem Gate Valve Flanged A351-CF8M Metal Seat With Handwheel

Categories Cast Steel Gate Valve
Brand Name: Tengs Valve
Model Number: Z40
Certification: ISO,CE
Place of Origin: China
MOQ: 1 PC
Price: Negotiable
Supply Ability: 500 Pcs Per Month
Delivery Time: 30 Days
Packaging Details: Sea Worthy Plywoods
Body Material: Cast Steel: Stainless Steel A351-CF8M
Trim: Stainless Steel SS316 / DSS
Size: Dn50 - Dn600
Pressure Rating: Pn10 - Pn64
Actuator: Handwheel, Gear Operated, Electric Actuator, Or Bare Stem
Connection Ends: FF, RF, RTJ, BW
Painting: As per Staindards
Other: OEM Available
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Din Stainless Steel Rising Stem Gate Valve Flanged A351-CF8M Metal Seat With Handwheel

Din Stainless Steel Flanged Gate Valve A351-CF8M Metal Seat Rising Stem with Handwheel


Description:

Gate valve is a valve which opens by lifting a round or rectangular gate/wedge out of the path of the fluid. The distinct feature of a gate valve is the sealing surfaces between the gate and seats are planar, so gate valves are often used when a straight-line flow of fluid and minimum restriction is desired. The gate faces can be parallel, but are most commonly wedge-shaped.


Quick Details:

1. Type: Din Gate Valves Stainless Steel
2. OS&Y, Bolted Bonnet, Solid or Flexible Wedge Design
3. Size Range: Dn50 to Dn600
4. Pressure Ratings: Pn16 - Pn64
5. Materials Available in: Cast Stainless Steel A351-CF8M
6. Various trim materials are available to suit different service conditions
7. Actuator: Manual, Handwheel
8. NACE MR 0175 on request


Standards

Design StandardDIN3352
Face to FaceDIN3202
Flange EndsDIN2543-2545
Test & InspectionDIN3230

Features:

1. Bonnet Gasket Style

Stainless steel + flexible graphite combined gasket;

Stainless steel + flexible graphite wounded gasket;

Ring joint gasket;

2. Packing Seal

Flexible graphite is used for packing material. PTFE or combined packing material can be also used.

3. Body and Bonnet Connection

Bolted Bonnet design. (B.B)

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. Threaded or welded type seat is also optional for stainless steel gate valve.

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

6. Backseat Design

All gate valves have backseat design.

7. Stem Design

The stem is integral forged design.

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, electric actuator also can be used for gate valve operation if being requested by the customers.

Din Gate Valve Drawing

Descriptions:

1. Cast Stainless Steel Gate Valve Parts and Material List:


Parts NameMaterial
Stainless Steel A351-CF8Stainless Steel A351-CF8M
1BodyDIN 17445 1.4308DIN 17445 1.4408
2WedgeDIN 17445 1.4308DIN 17445 1.4408
3StemASTM A182 F304ASTM A182 F316
4NutA194 8A194 8
5BoltA193 B8A193 B8
6GasketSS Spiral Wound W/graphite, or SS Spiral Wound W/ PTFE, or Reinforced PTFE
7BonnetDIN 17445 1.4308DIN 17445 1.4408
8PackingBraided Graphite or Reformed Graphite Ring or PTFE
9GlandASTM A182 F304ASTM A182 F316
10Gland FlangeDIN 17445 1.4308DIN 17445 1.4408
11Stem NutCopper Alloy or A439 D2
12Hand WheelDuctile Iron or Carbon Steel

2. Hydro Test Specifications:

Nominal Pressure (MPa)Shell Test (MPa)Sealing Test(MPa)Suitable Medium
1.62.41.76Water, Oil & Gas
2.53.752.75
4.06.04.4
6.49.67.04

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