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AWWA C504 Butterfly Valve

Brief description:

AWWA C504 BUTTERFLY VALVE

This type of butterfly valve is in compliance with AWWA C504 standard and designed for drink water, sea water, cooling water etc.

PRESSURE RATING: AWWA C504– CLASS75B, CLASS150B, CLASS 250B

SIZE RANGE: 14” – 160” / DN350 – DN4000

SEAT MATERIAL: EPDM/NBR


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Product description

Valve design to EN 593, BS5155, DIN3354

Flange to EN 1092, ASME B16.5, ASME B16.1, AWWA C207

Face to face length to EN 558-1 / ISO 5752 series 14 or series 13

Valve design, materials and testing conform to requirements of AWWA C504
Robust body with min. shell thickness to the standard, and of ductile iron ASTM A536 grade 65-45-12 or grade 60-40-18  
Body with flange X flange ends of flat face, flange drill to ASME B16.1, ASME B16.5, AWWA C207
Victaulic grooved ends or other type of connection ends are also available.
Solid single disc or lattice disc(for larger sizes) both with high strength, greater free flow area.
Higher Cv and lower head loss/pressure drop  
Rubber seat located on disc, the full 360°uninterruptible seal ring secured with a retainer ring for bidirectional service up to full rated pressure, and easy for adjustment and replacement without special tools.
Two piece, stub-type shaft of corrosion resistant material SS630, other materials available as request.
Body seat ring made of stainless steel weld, micro-finished with long service time.
Aluminium bronze shaft bush in both trunnions of body with high bearing strength, maintenance free.
Multiple O rings on bearing bush and V shaft packing form reliable shaft sealing system.
V type shaft packing and extended top bracket design, to realize the online adjustment and replacement of shaft packing without disassembly of gearbox.
Disc to shaft connection by SS630 taper pins. Other methods available as request.
Cycle tested per AWWA C504 requirements, proven reliability over the life of the valve
Actuation options: Manual gearbox with handwheel or chainwheel,
Gearbox with ISO5210 top works for electric actuator,
Electric actuator
Hydraulic or pneumatic cylinder
Protection coating: fusion bonded epoxy coating non-toxic to potable water approved from WRAS/NSF.
Other options:
- Shaft locking device(during equipment maintenance, even removing the valve operation mechanism, the valve can be kept in full close/full opening position.
- The material solution of Aluminum bronze/nickel aluminum bronze( such as ASTM B148 C95400/C95500/C95800 body & disc and nickel-copper alloy(such as Monel k500 etc.) shaft is available for desalination of sea water project.
- Rubber lining(ebonite lining)
- Extended bonnet

AWWA C504 Butterfly Valve (1)

AWWA C504 BUTTERFLY VALVE

AWWA C504 Butterfly Valve (2)

Materials of component

Part No

Description

Material

Part No

Description

Material

1

Key

Stainless steel, 420

9

Valve shaft

Stainless steel, 630

2

Yoke

Carbon  steel,  A36

10

Packing

PTFE

3

Bolt

Stainless steel, 304

11

Shaft bearing

Stainless steel,316

4

Packing gland

Ductile iron, 65-45-12

12

Valve body

Ductile iron, 65-45-12

5

Body seat

Stainless steel, 304

13

Valve disc

Ductile iron,65-45-12

6

Disc seal ring

Rubber, EPDM

14

Bolt

Stainless steel, 304

7

Screw

Stainless steel, 304

15

O ring

Rubber, EPDM

8

Retainer ring

Stainless steel, 304

16

Shaft cover

Ductile iron,65-45-12

(Other materials such as carbon steel, st. steel, duplex SS, al-bronze are available on request.)

  • Suitable medium: drink water, sea water, TSE water, low-corrosive liquid etc.

    Suitable temperature: 0 ~ 80 ℃

    Pressure test to AWWA C504:   Leakage rate: Class A (Zero leakage) in both direction 100% testing before delivery

AWWA C504 BUTTERFLY VALVE

AWWA C504 Butterfly Valve (3)

Dimensions

AWWA C504 Butterfly Valve (4)

Dimensions

AWWA C504 Butterfly Valve (5)

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