Flange butterfly valve nylon disc

Size2″~96″ (DN50~DN2400 mm)

OperatedWorm Gear, Pneumatic actuator, Electric actuator

Conection endDouble Flange Type

Conection standardPN10 or PN16 or 150LB or 10K

Working pressurePN16/PN10

Body materialDuctile iron, WCB, Stainless steel, Duplex steel, Aluminum Bronze

Disc materialDuctile iron, Stainless steel, Duplex steel, Aluminum Bronze

Seat materialEPDM/NBR/Viton/SR

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Product Details

A ‌flange butterfly valve‌ is a type of ‌quarter-turn valve‌ used to isolate or regulate the flow of a fluid (liquid, gas, or slurry) within a piping system. Its defining characteristic is the ‌flanged ends‌, which allow it to be bolted directly between corresponding flanges on the pipe..

Technical Standard:
1.Design Standard: GB/T 12238/API 609/JIS B 2064/DIN EN593/BS EN593.
2.Face to face: GB/T 12221/ASME B16.10/JIS B 2002/DIN 3202/BS 2080.
3.Drive Connection: ISO5211.
4.Flange Standard: GB/T 9113/ASME B16.5/JIS B 2220/DIN EN1092-1/BS EN1092-1.
5.Test Standard: GB/T 13927/API 598/JIS B 2003/DIN EN12266-1/BS EN12266-1.

Product Advantages&Our Service:
1.Completely sealed in both directions – EN 12266 (A Level) airtight grade.
2.Valve disc has a precision-machined spherical sealing surface, which has low torque and long service life.
3.Valve seat 50% rubber content, with high elastic performance.
4.Valve stem adopts no-pin design, avoid one leakage point.
5.Three self-lubricating bushings on the valve stem to prevent the valve stem from deflecting.
6.Installed in any direction.
7.Adopt epoxy painting,stronger adhesion and good weather resistance.
8.Nylon 11 coated disc, wear resistance.
8.Pressure Testing Report,3.1 Certificate of Material can be provided.

Face to face dimension:

DN	mm	50	65	80	100	125	150	200	250	300	350	400	450	500	600
DN	inch	2	2-1/2	3	4	5	6	8	10	12	14	16	18	20	24
L		108	112	114	127	140	140	152	165	178	190	216	222	229	267

DN	mm	700	750	800	900	1000	1200	1300	1350	1400	1500	1600	1800	2000	2200	2400
DN	inch	28	30	32	36	40	48	52	54	56	60	64	72	80	88	96
L		292	305	318	330	410	470	490	490	530	570	600	670	760	800	850

The data is for reference only, please consult sale@valflovalve.com for details.

QUESTIONS

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Valve Factory Production Process

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Valve Spare Parts

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Flange butterfly valve nylon disc

Product Details

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