Double Flange Type Vulcanized Seat Butterfly Valve

• Driving Mode: Worm Gear
• Connection Form: Flange
• Structure: Centre Sealing
• Seal Form: Force Sealed
• Valve Stem: Normal
• Work Pressure: Low Pressure (Pn<1.6mpa)
• Model NO.: BFV-WB08
• Working Temperature: Low Temperature (-100°C<T<-40°C)
• Material of Seal Surface: Soft Sealed
• Valve Body: Casting
• Standard: BS/DIN/ANSI/JIS /GB .. No Standard
• Application: Industrial Usage, Water Industrial Usage, Household Usage
• Lead Time: 10 - 30 Days
• Inch: 2"-48"
• Hts Code: 8481.80.40 90
• Disc: Di/CF8/CF8m/C95400
• Body Material: Cast Iron/Ductile Iron/Wcb/Stainles Steel
• Seat: NBR/EPDM/PTFE
• Shaft: Ss420/SS316/Ss410
• Delivery Time: Shipped in 15 Days After Payment
• Export Carton Dimensions L/W/H: 1.1 × 0.9 × 1 Mete
• Transport Package: in Plywood Case
• Specification: Dn15-Dn1200
• Trademark: xbfm/ OEM
• Origin: Zhejiang
• HS Code: 8481804090
• Production Capacity: 100000 PCS/Year

Product Description

Double Flange Type Vulcanized Seat Butterfly Valve, Double Flange Centreline Butterfly Valve


 

Product Feature

• Centerline structure, with pin on the through shaft or pinless double half shaft design.

• Disc has twoway bearing, no installation direction requirements.

• End flange can meet different connection standards.

• Good performance of vulcanized seat, highly stretchable and low torque.

• Easy installation, no need flange gasket.

 

Technical Parameters

Nominal diameter		50~1400	50~1400
Nominal pressure		1.0	1.6
Testing pressure	Shell(Mpa)	1.5	2.4
	Seal(Mpa)	1.1	1.76
Suitable temperature		-40°C~200°C
Suitable medium		Drinking water,sewage,seawater,food,medicines,gas,oil and acid

 

Main Raw Material

Body	Disc	Stem	Seat	Actuator
Cast iron	Plated ductile  iron	Stainless steel	EPDM/NBR	Lever
Ductile iron	CF8		WRAS-EPDM	Gearbox and handwheel
Carbon steel	CF8M		Viton	Electric
Stainless steel	Aluminum bronze	customised	Silicon	Pneumatic
PS:1.Vulcanized seat     2.  Pin disc/Pinless Nylon disc/Epoxy disc

 

Reference Standard

Design standard		API 609  , EN593
Testing standard		API 598
Top flange standard		ISO5211
End flange standard		DIN PN10 / PN16,ANSI 125# / 150#,BS4504 PN10 / PN16
Face to face standard		API 609,EN558-1 13 Series,  ISO5752 13 Series

 

Overall Dimension and Weight

 

Size	A	B	D	Top Flange	ΦE	DIN PN10		DIN PN16		ANSI 150#		Weight(kg)
						N-Φd	ΦD	N-Φd	ΦD	N-Φd	ΦD
DN50	203	120	108	F07	90	4-18	125	4-18	145	4-19.0	120.6	7.60
DN65	223	130	112	F07	90	4-18	145	4-18	145	4-19.0	139.7	9.70
DN80	245	145	114	F07	90	8-18	160	8-18	160	4-19.0	152.4	10.60
DN100	269	155	127	F07	90	8/18	180	8-18	180	8-19.0	190.5	13.80
DN125	295	170	140	F07	90	8-18	210	8-18	210	8-22.4	215.9	18.20
DN150	333	190	140	F07	90	8-22	240	8-22	240	8-22.4	241.3	21.70
DN200	378	208	152	F10	125	8-22	295	12-22	295	8-22.4	298.4	31.80
DN250	433	235	165	F10	125	12-22	350	12-26	355	12-25.4	361.9	44.70
DN300	500	280	178	F10	125	12-22	400	12-26	410	12-25.4	431.8	57.90
DN350	564	310	190	F10	125	16-22	460	16-26	470	12-28.4	476.2	81.60
DN400	646	347	216	F14	175	16-26	515	16-30	525	16-28.4	539.7	106.00
DN450	707	371	222	F14	175	20-26	565	20-30	585	16-31.8	577.8	147.00
DN500	786	343	229	F14	175	20-26	620	20-33	650	20-31.8	635	165.00
DN600	945	515	267	F16	210	20-30	620	20-33	770	20-35.1	749.3	235.00
DN700	1055	560	292	F25	300	20-30	840	20-36	840	28-35.1	863.3	238.00
DN800	1191	631.5	318	F25	300	20-33	950	20-39	950	28-41.1	977.9	475.00
DN900	1265	692	330	F25	300	24-33	1050	24-39	1050	32-41.1	1085.8	595.00
DN1000	1380	735	410	F25	300	24-36	1160	24-42	1170	36-41.1	1200	794.00
DN1200	1717	927	254	F30	350	28-40	1380	28-50	1390	44-41.1	1422.4	1290.00

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Why Choose US

We are a professional manufacturer and supplier of valves, pipes and fittings which are widely used for water, oil and gas pipe lines
We have been supplying the valves and fittings to Europe, Asia, Middle East countries and Amercian markets for 15 years
Our factory has obtained ISO9001, CE0035 and API approval certificates for our valves and fittings made of iron, steel and copper alloy with design to DIN, BS, ANSI, JIS standard
We can also manufacture valves and fittings according to client's design

We test leakage of each roll before braiding, then we cut 300mm and crimp it to test
burst pressure after brading.

We use CNC Lathes Machine for end fittings production. Machine system, knife and inspection
tools are all imported from Japan.

We use Techmaflex Crimping Machine which is imported from France. This machine has
accurate and stable performance for crimping because it is produced for PTFE hose crimping only.
Our service
We promise the quality for 24 months and also supply custom service
Long service life. Standing the test of thousands opening/closing operation.
Wide selection of materials, applicable for various media.
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