AWWA C504 Butterfly Valve

Product Features

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.
Body seat ring made of stainless steel weld, micro-finished with long service time.
Two piece, stub-type shaft of corrosion resistant material SS630, other materials available as request.
Sleeve-type bearing in both trunnions/hubs of valve body, self-lubricating, maintenance free.
Multiple O rings on bearing bush and V shaft packing form reliable shaft sealing system.
V type shaft packing and extended bonnet design, to realize adjustment or complete replacement of packing without disturbing any part of valve or actuator assembly.
Disc to shaft connection by 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 k400,Monel k500 etc.) shaft is available for desalination of sea water project.
Rubber lining(ebonite lining)
Extended bonnet
Extended spindle from valve drive shaft for vertical installation, and from gear spindle for horizontal installation. Rigid and high strength design, no need additional support and reinforced accessories.

Product Material

No	NAME	MATERIAL*	SPECIFICATION	REMARKS
1	Screw	Stainless Steel	A2-70(SS304),A4-70(SS316)
2	Key	Stainless Steel	SS420
3	Upper Shaft	Stainless Steel	SS420,SS630
4	Packing Gland	Carbon steel	A36
5	0 ring	Rubber	EPDM, NBR
6	Shaft Bearing	Stainless Steel/bronze+PTFE
7	Valve Body	Ductile Iron	65-45-12, 60-40-18
		Carbon steel	WCB
8	Body seat	Stainless steel	Cr-Ni alloy / Ni welded
9	Disc Seal Ring	Rubber	EPDM, NBR
10	Retainer Ring	Stainless Steel	SS304,SS316
11	Screw	Stainless Steel	A2-70(SS304),A4-70(SS316)
12	Pin	Stainless Steel	SS420
13	Valve Body	Ductile Iron	65-45-12, 60-40-18
		Carbon steel	WCB
14	Lower Shaft	Stainless Steel	SS420,SS630
15	Shaft Bearing	Stainless Steel/bronze+PTFE
16	0 ring	Rubber	EPDM, NBR
17	Collar	Copper	QAI9-2 CC331G
18	End Cover	Carbon steel	A36
19	Bolt	Stainless Steel	A2-70(SS304),A4-70(SS316)

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

Coating: fusion bonded epoxy coating, min. thickness 250 micron
Suitable medium: drink water, sea water, TSE water, low-corrosive liquid, air etc.
Suitable temperature: 0 ~ 80 ℃
Pressure test to AWWA C504: Leakage rate: Class A (Zero leakage) in both direction
100% testing before delivery

Product Dimension

Dimensions*/Class 150B/250B

Size	D1	D2	n-Φd / n'-Φd'	L	E2	E3	Weightkgs
6''	280	241	8-Φ0.875''	127	164	225	35
8''	345	299	8-Φ0.875''	152	198	272	55
10''	405	362	12-Φ1''	203	230	328	98
12''	485	432	12-Φ1''	203	254	351	136
14''	535	476	12-Φ1.125''	203	295	407	195
16''	595	540	12-Φ1.125''/4-1''8UNC	203	334	437	220
18''	635	578	12-Φ1.25''/4-1.125''8UN	203	368	488	260
20''	700	635	16-Φ1.25''/4-1.125''8UN	203	400	530	335
24''	815	749	16-Φ1.375''/4-1.25''8UN	203	480	548	465
28''	925	864	24-Φ1.375''/4-1.25''8UN	292	563	640	620
30''	985	914	24-Φ1.375''/4-1.25''8UN	305	586	669	805
32''	1060	978	24-Φ1.625''/4-1.5''8UN	305	623	698	890
34''	1110	1029	28-Φ1.625''/4-1.5''8UN	305	660	745	1000
36''	1170	1086	28-Φ1.625''/4-1.5''8UN	305	698	789	1230
40''	1290	1200	32-Φ1.625''/4-1.5''8UN	305	766	882	1700
44''	1405	1314	36-Φ1.625''/4-1.5''8UN	381	795	1008	1900
48''	1510	1422	40-Φ1.625''/4-1.5''8UN	381	910	1038	2600
52''	1625	1537	40-Φ1.875''/4-1.75''8UN	381	1008	1132	3100
56''	1745	1651	44-Φ1.875''/4-1.75''8UN	381	1063	1253	3800
60''	1855	1759	48-Φ1.875''/4-1.75''8UN	381	1120	1300	4800
72''	2195	2096	56-Φ1.875''/4-1.75''8UN	457	1416	1602	5600

-Flange dimensions and drilling to ASME B16.1 class125/AWWA C207
-All the outline dimensions and weight only for reference. If need, please contact us for exact data.
-Please contact us for other details or larger sizes.

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Product Dimension

Dimensions*/Class 150B/250B

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