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Home ProductsMetal Seated Butterfly Valve

A216 WCB Wafer Gear Operated Butterfly Valve Class 150LB With Counter Flanges

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A216 WCB Wafer Gear Operated Butterfly Valve Class 150LB With Counter Flanges

China A216 WCB Wafer Gear Operated Butterfly Valve Class 150LB With Counter Flanges supplier
A216 WCB Wafer Gear Operated Butterfly Valve Class 150LB With Counter Flanges supplier A216 WCB Wafer Gear Operated Butterfly Valve Class 150LB With Counter Flanges supplier

Large Image :  A216 WCB Wafer Gear Operated Butterfly Valve Class 150LB With Counter Flanges

Product Details:

Place of Origin: China
Brand Name: Tengs Valve
Certification: ISO, CE
Model Number: D73H

Payment & Shipping Terms:

Minimum Order Quantity: 1 Pc
Price: Negotiable
Packaging Details: Seaworthy Plywoods
Delivery Time: 30 Days
Payment Terms: L/C, T/T
Supply Ability: 300 Pcs
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Detailed Product Description
Body Material: Cast Steel A216 WCB Trim: 13Cr
Size: 40In / Dn1000 Pressure Rating: Class 150LB
Actuator: Manual, Gear Operated Connection Ends: Wafer Type
Body Structure: High Performance, Three - Eccentric Other: OEM Available

A216 WCB Wafer Metal Seated Butterfly Valve with Counter Flanges 40In Dn1000 CL150LB

 

Quick Details

1. Valve Type: Wafer Metal Seated Butterfly Valve with Counter Flanges

2. Standard: API609

3. Pressure rating: Class 150LB

4. Size: 40" / Dn1000

5. Body materials: Carbon steel A216 WCB

6. Disc: Carbon Steel (WCB)

7. Stem material: Stainless Steel 13Cr

8. Actuator: Manual, Worm gear

9. Design: Triple Offset, High Performance

10. Assembled with Counter Flanges and Bolt &Nuts

 

Features

1. The Seal Principle of Hard Seal Butterfly Valve Triple Offset

The Triple Offset Butterfly Valve provides a bi-directional bubble tight shut-off.This geometry ensures that the disc seal contacts the body seat only at the final shut-off position without rubbing or galling, providing a torque generated resilient seal with sufficient “wedging” to ensure auniform seal contact.

 

Triple Offset Butterfly Valve Geometry

2. The Triple Offset Geometry
OFFSET 1 The shaft is offset behind the seat axis to allow complete sealing contact around the entire seat

OFFSET2 The shaft centerline is offset from the pipe and valve which provides interference free opening and closing of the valve

0FFSET3 The seat cone axis is offset from the shaft centerline to eliminate friction during closing and opening and to achieve uniform compressive sealing around the entire seat.

 

3. Friction Free Sealing for Long Cycle Life
(1) Seat is Cr13 Metal alloy or hardfaced with Stellite as standard.

(2) The gasket is spiral wound SS/Graphite for zero leakage.

(3) Seat ring forces are generated by the torque during closing uniformly around the entire circumference. The resilient seal fleses and energizes, assuming the shape of the seat. The compression forces equally distributed around the perimeter provide a tight bi-directional shut off.
The resiliency of the seal allows the valve body and disc to contract or expand, without the risk of jamming due to temperature fluctuations. It is self-adjusting.

 

Application

Hard Seal (Metal Seated)Butterfly Valve triple offset series are used in such fields as metallurgy, light industry, electric power, petrochemistry, coal gas channel etc.

 

Description

1. Standards

Design and Manufacture; API 609. MSS SP-67, MSS SP-68
Inspection and Test: API S98

End flange dimension: ASME B16 5 (NPS≤24). ASME B16 47 B series

Face to face and end to end; API 609

Pressure-temperature ratings: ASMF B16.34

Triple Offset Butterfly Valve Drawing

 

1. Materials List (Wafer Triple Offset Butterfly Valve 40in Class 150LB)

 

No. Part Name Materials
1 Body ASTM A216 WCB
2 Pin ASTM A29 1035 / A276 304
3 Stem 420
4 Disc WCB
5 Seal Ring 304 / 316+Graphife / PTFE
6 Retainer Flange A105
7 Bolt B7
8 Bolt B7
9 Cover A105
10 Gasket Graphite
11 Bushing Luberized bronze
12 Bushing 304 Nitriding
13 Packing Seat A105/304
14 Packing Graphite
16 Packing Cover WCB
17 Nut A194 2H
18 Bolt A193 B7
19 Yoke WCB
Drive Actuator Manual, Worm gear
Counter Flanges WN A105

 

2. Main Connection Dimensions for Wafer Butterfly Valve with Counter Flanges

A216 WCB Wafer Gear Operated Butterfly Valve Class 150LB With Counter Flanges

Class Size  
NPS DN L
150Lb 2 50 43
21/2 65 46
3 80 48
4 100 54
5 125 56
6 150 57
8 200 64
10 250 71
12 300 81
14 350 92
16 400 102
18 450 114
20 500 127
24 600 154
26 650 154
28 700 165
30 750 165
32 800 190
36 900 200/203
38 950 200/203
40 1000 216
42 1050 216/251
44 1100 216/251
48 1200 254/276
52 1300 254
56 1400 279
60 1500 279

Contact Details
Tengs Valve International Limited

Contact Person: Biff Teng

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