Dual Plate Double Flange Bonded Seat Seated Wafer Butterfly Duo Type Ductile Cast Iron Wcb A216 Bronze Brass Stainless Steel 304 Check Valve Non Return Valve

• Media: Water
• Driving Mode: Automatic
• Connection Form: Wafer
• Structure: Centre Sealing
• Seal Form: Auto Sealed
• Valve Stem: Normal
• Model NO.: Newton-2
• Work Pressure: Low Pressure (Pn<1.6mpa)
• Working Temperature: Normal Temperature (-40°C<T<120°C)
• Material of Seal Surface: Soft Sealed
• Valve Body: Casting
• Standard: API 594 DIN3202 K3
• Application: Industrial Usage, Water Industrial Usage, Household Usage
• Transport Package: Plywood Case
• Specification: DN40-DN1200
• Trademark: Newton
• Origin: China
• HS Code: 8481804090
• Production Capacity: 10000000 Sets/Year

Product Description

Dual Plate Wafer Check Valve

No.	Parts	Material
1	Body	Cast Iron(GG25), Ductile Iron(GGG40/50), Carbon Steel(WCB A216), Stainless Steel(SS304/SS316/SS304L/SS316L) , Duplex Stainless Steel(2507/1.4529), Bronze, Aluminium Alloy.
2	Seat	NBR, EPDM/REPDM, Viton, Neoprene, Hypalon, Silicon, PFA.
3	Shaft	SS416, SS431, SS304, SS316, Duplex Stainless Steel, Monel
4	Disc	DI+Ni, Stainless Steel(SS304/SS316/SS304L/SS316L) , Duplex Stainless Steel(2507/1.4529), Bronze
5	Spring	SS304/SS316/Monel/Inconel
6	O Ring	NBR, EPDM, FKM
7	Operation	Hand Lever, Gear Box, Electric/Pneumatic/Hydraulic Actuator

 

Size	DIN3202 K3	API594 CLASS 125	API594 CLASS 150
DN40	43
DN50	43	54	60
DN65	46	54	67
DN80	64	57	73
DN100	64	54	73
DN125	70	70	83
DN150	76	76	99
DN200	89	95	127
DN250	114	108	146
DN300	114	143	181
DN350	127	184	184
DN400	140	191	191
DN450	152	203	203
DN500	152	213	219
DN600	178	222	222
DN650			222
DN700	229		305
DN750			305
DN800	241		356
DN850
DN900	241
DN950
DN1000	300

Outer Circle
Size	PN6	PN10	PN16	150LB	5K	10K	TABLE E
DN40	84	78	78	82
DN50	85	107	107	102	90	101	95
DN65	114	127	127	121	115	121	108
DN80	130	142	142	133	126	131	127
DN100	140	162	162	171	146	156	159
DN125	180	192	192	193	181	187	191
DN150	205	218	218	219	211	217	212
DN200	260	273	273	276	257	267	269
DN250	315	328	328	336	322	330	333
DN300	371	378	378	406	367	375	379
DN350	421	438	443	448	410	420	443
DN400	471	488	495	511	470	483	494
DN450	526	539	554	546	530	538	557
DN500	576	594	616	603	580	593	614
DN600	678	695	734	714	688	697	723
DN650
DN700	783	804	810	828		807
DN750		917	917	879		867
DN800	888	911	917	936		917
DN850
DN900
DN950
DN1000