Butterfly Valve

• Media: Water
• Driving Mode: Worm Gear
• Connection Form: Flange
• Structure: Centre Sealing
• Seal Form: Force Sealed
• Valve Stem: Normal
• Model NO.: 3123
• Work Pressure: Low Pressure (Pn<1.6mpa)
• Working Temperature: Normal Temperature (-40°C<T<120°C)
• Material of Seal Surface: Soft Sealed
• Standard: BS DIN ANSI
• Application: Water Industrial Usage
• Specification: DN50-DN3000
• Trademark: OEM Whcon Warco
• Origin: Beijing China
• HS Code: 8481804090

Product Description

Overview
Meet or exceed the requirements of EN593, AS4795.1
and MSS SP-67
·Vulcanized liner
·Mounting Flange in accordance with ISO 5211 or MSS
SP-102
·Face to face dimensions comply with EN558 Series 20,
ASME 816.10
·Suitable Connection Flange with EN1092 PN10 /16 ,
ASME B16.1 Class 125 and AS2129 Table D/E

Technical data
Working Pressure: 16bar
Dimensions: DN50-DN3000
Testing pressure: Body: 24bar
Seal: 17.6bar.
Temperature:
- 20°C- 110°C EPDMSeat
- 10°C - 80°C NBR Seat

Materials

Part	Material	Standards
Body	Ductile Iron	EN-JS 1050
Stem	Stainless Steel	BS970 410 S 21
	Stainless Steel	BS970 431 S 29
Seat	EPDM/NBR
	Viton/PTFE
Bushing	PTFE
	Bronze	EN 1982 CC491K
O-ring	EPDM / NBR
Disc	Ductile Iron	EN-JS 1050
	Bronze	EN 1982 CC491K
	Stainless Steel	ASTM A351 CF8
	Stainless Steel	BS970 316 S16
Lever/Gearbox	Malleable Iron, Cast Iron
Disc Coating	Epoxy, Nylon, Halar
	Nickel plating

Dimensions

DN	mm	50	65	80	100	125	150	200	250	300	350
	inch	2	2 1/2	3	4	5	6	8	10	12	14
A		118	125	135	145	166	196	235	268	305	360
B		57	69	73	88	106	122	158	190	222	255
H1		95	95	95	95	95	95	172	172	174	174
L1		135	135	135	135	135	135	190	190	190	190
F		136	136	136	136	136	136	273	273	273	273

 

DN	mm	400	450	500	600	700	800	900	1000	1200
	inch	16	18	20	24	28	32	36	40	48
A		370	408	435	510	572	641	700	740	917
B		285	329	353	400	474	504	570	655	794
H1		247	247	247	325	335	335	345	345	443
L1		250	250	280	280	315	315	315	315	480
F		280	280	280	390	390	390	390	390	445