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Hard Back Seat Ductile Iron Wafer Butterfly Valve Manufacture by Pindee Valve

TYPE NO.: ZCWFBV-04
Size Range: DN50-DN1200
Pressure Rating:PN6 / PN10 / PN16 / 150LB
Body: WCB (A216)
Disc: DI(Ni lined), WCB (A216), Stainless Steel(SS304/SS316/SS304L/SS316L) , Duplex Stainless Steel(2205/2507)
Seat: Soft Seat（hard back）
Actuator Options: Hand Lever, Worm Gear, Electric Actuator, Pneumatic Actuator.
Sample: available

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Product Description

Product Description

Hard Back Seat Ductile Iron Wafer Butterfly Valve Manufacture by Pindee Valve which this kind of Hard Back Seat Ductile Iron Wafer Butterfly Valve is very popular in Asia,Europe, North American, South American,welcome our new and regular customers pay a visit to our website and send us an inquiry to see our price and delivery time.Our sales Manager email: sales@pindee.com

The main difference between soft back seat wafer butterfly valve and hard back seat wafer butterfly valve is the seat material:

1. Compared with the hard-backed valve seat, the soft-backed valve seat has a wider contact surface with the pipe flange, and the installation and sealing performance is better, without the need for a special flange for butterfly valves;
2. The soft-backed valve seat is highly replaceable and does not require any special tools. The replacement can be completed;
3. The wall thickness of the hard-backed valve body is relatively thin, and the valve body is easily deformed. The wall thickness of the soft-backed valve body is larger than that of the hard-backed valve body, and the valve body is heavier. The different shape designs prevent the valve body from deforming. Deformation.
4. The vulcanization process of the soft-backed valve seat is more perfect, and there will be no phenomenon of immature rubber of the hard-backed valve seat. The rubber performance is more reliable.
5. The soft-backed butterfly valve has small torque.

Paraments of Hard Back Seat Ductile Iron Wafer Butterfly Valve

Hard Back Seat Ductile Iron Wafer Butterfly Valve Manufacture by Pindee Valve drawing

SIZE	H1	B	øD			øDl	øD2	n-ød2	□E	H	Ll
SIZE	H1	B	PN10 PN16		CL150A	øDl	øD2	n-ød2	□E	H	Ll
DN40	121	33	110		98.4	65	50	4-ø7.5	9	25	170
DN50	131	42	125		120.7	65	50	4-ø7.5	9	25	170
DN65	142	44.7	145		139.7	65	50	4-ø7.5	9	25	170
DN80	150	45	160		152.4	65	50	4-ø7.5	9	25	170
DN100	170	51.2	180		190.5	90	70	4-ø10	ll	25	215
DN125	184	54.4	210		215.9	90	70	4-ø10	14	25	215
DN150	200	55	240		241.3	90	70	4-ø10	14	25	215
DN200	240	58.8	295		298.5	90	70	4-ø10	17	35	265
DN250	270	65.7	350	355	362	125	102	4-ø12	22	35	350
DN300	310	76	400	410	431.8	125	102	4-ø12	22	35	350

Hard Back Seat Ductile Iron Wafer Butterfly Valve Manufacture by Pindee Valve drawing2

SIZE	A	øP			4-ø			a°
SIZE	A	PN10	PN16	CL150	PN10	PN16	CL150	PN10	PN16	CL150
DN350	368	∅460	ø470	∅476.2	4-∅23	4-∅28	4-ø28.4	11.25°	11.25°	22.5°
DN400	400	ø515	ø525	ø539.7	4-ø28	4-ø31	4-ø28.4	11.25°	11.25°	11.25°
DN450	422	ø565	ø585	ø577.8	4-ø28	4-ø31	4-∅31.8	9°	9°	11.25°
DN500	480	ø620	∅650	ø635	4-∅28	4-ø34	4-ø31.8	9°	9°	9°
DN600	562	ø725	ø770	ø749.3	4-∅31	4-ø37	4-∅35.1	9°	9°	9°

L	ø1	ø2	4-d	□E	H	L1	∅3
L	ø1	ø2	4-d	□E	H	L1	∅3
76.5	∅140	ø102	4-ø12	22	45	174	460
85.7	ø175	∅140	4-ø18	27	50	195	460
104.6	ø175	ø140	4-ø18	27	50	195	550
130.28	ø175	ø140	4-ø18	32	55	195	600
151.36	∅210	ø165	4-∅23	36	68	240	700