HOME
PRODUCTS

We offer highly cost-effective products and professional after-sale service for the marine, HVAC, water, oil & gas, fire fighting industries. Our valves, all delivered by experienced technicians, are of guaranteed good quality.
> Water & HVAC > Marine > Oil & Gas > Industry > Fire Fighting
ABOUT

With years of experience, I-FLOW knows the market very well. We can provide excellent one-stop solutions for our clients. For more information about our valves and service, contact us today!
> CEO'S Greeting > Our factory > Career & culture > Fairs and events
QUALITY

I-FLOW has an excellent R&D team. Managed strictly under ISO 9001, we inspect and test each of our valves to make sure 100% qualified.
> Research & Development > Quality Control > Quality Assurance > Certificates
APPLICATIONS

We, together with our associated companies, have obtained various types of certificates, including CE, WRAS, DNV, GL, LR, ABS etc. I-Flow valves are now widely used all over the world, in Shangrila Hotel, Kerry Center, Milan Expo, Fiat Workshop, IKEA, COSCO vessels, etc.
> Marine > HVAC > Water Treatment > Oil & Gas
NEWS

Accumulating 10 years' experience in valves, we are an excellent solution provider. Keep in touch now and experience how your needs are well addressed.
> Client Stories > Our Projects > Company News > Industry News
CUSTOMER SERVICE

With over 10 years of experience in the industry of valves, I-FLOW will provide the perfect solution for your project. Contact us now, we will solve all your problems.
> Download > After-sale Service > FAQs
CONTACT

lug luga lugaa en |

nav gua

Best Price And High Quality Butterfly Valves

EN 593 PN10/PN16/ U TYPE FLANGE BUTTERFLY VALVE

BFV308

Butterfly Valve

Medium:water

Standard:EN593/AWWA C504/MSS SP-67SP-71/AWWA C508

Pressure:CLASS 125-300/PN10-25/200-300PSI

Material:CI,DI

Type:wafer type,lug type,double flange type,U type,groove-end

Get A Quote

Download Catalog

Features

Product Overview

The range can be engineered to suit your application, with body construction, material, and ancillary features optimised to meet your process needs. Being ISO 9001 certified, we adopt systematic ways to ensure high quality, you can be assured of outstanding reliability and sealing performance through the design life of your asset.

Technical Requirement

· Design and Manufacture Conform to EN593
· Flange dimensions Conform to EN1092-2
· Face to Face dimensions Conform to EN558-1
· Testing Conform to EN12266-1
· Driving mode: lever, worm actuator, electric, pheumatic

Specification

Part Name	Material
Body	DI
Seat	NBR
Disc	Plated Ductile Iron
Middle Bearing	F4
Shaft	ASTM A276 416
Upper Bearing	F4
O Ring	NBR
Pin	ASTM A276 416

Dimensions Data

DN	A	B	C	H	F	ΦD	N-Φd1	Φd	M1	EN1092-2 PN10		EN1092-2 PN16
DN	A	B	C	H	F	ΦD	N-Φd1	Φd	M1	ΦK	n-ΦK1	ΦK	n-ΦK1
DN50	110	83	108	32	90	70	4-Φ10	12.6	3	125	4-Φ19	125	4-Φ19
DN65	131	93	112	32	90	70	4-Φ10	12.6	3	145	4-Φ19	145	4-Φ19
DN80	134	100	114	32	90	70	4-Φ10	12.6	3	160	8-Φ19	160	8-Φ19
DN100	150	114	127	32	90	70	4-Φ10	15.8	5	180	8-Φ19	180	8-Φ19
DN125	170	125	140	32	90	70	4-Φ10	18.92	5	210	8-Φ19	210	8-Φ19
DN150	180	143	140	32	90	70	4-Φ10	18.92	5	240	8-Φ23	240	8-Φ23
DN200	210	170	152	45	125	102	4-Φ12	22.1	5	295	8-Φ23	295	12-Φ23
DN250	246	198	165	45	125	102	4-Φ12	28.45	8	350	12-Φ23	355	12-Φ28
DN300	276	223	178	45	150	125	4-Φ14	31.6	10	400	12-Φ23	410	12-Φ28
DN350	328	254	190	45	150	125	4-Φ14	31.6	10	460	16-Φ23	470	16-Φ28
DN400	343	278	216	50	197	140	4-Φ18	33.15	10	515	16-Φ28	525	16-Φ31
DN450	407	320	222	50	197	140	4-Φ18	37.95	10	565	20-Φ28	585	20-Φ31
DN500	448	329	229	60	197	140	4-Φ18	41.12	10	620	20-Φ28	650	20-Φ34
DN600	518	384	267	70	210	165	4-Φ22	50.62	16	725	20-Φ31	770	20-Φ37
DN700	560	450	292	109	300	254	8-Φ18	63.35	16	840	24-Φ31	840	24-Φ37
DN800	620	501	318	119	300	254	8-Φ18	63.35	22	950	24-Φ34	950	24-Φ41
DN900	692	550	330	157	300	254	8-Φ18	75	22	1050	28-Φ34	1050	28-Φ41
DN1000	735	622	410	207	300	254	8-Φ18	85	22	1160	28-Φ37	1170	28-Φ44
DN1200	917	763	470	210	350	398	8-Φ22	105	28	1380	32-Φ41	1390	32-Φ50