Double Offset Butterfly Valve Double Flanged Ductile Iron Rubber Seat

Double Offset Butterfly Valve Double Flanged Ductile Iron Rubber Seat

1. Pressure Class :150LB
2. Size : 6inch ( DN150 )
3. Body & Disc :Stainless steel ASTM A351 CF8
4. Seat : PTFE
5. Stem :17-4PH
6. Lever Operator

Product Details

In an effort to provide you advantage and enlarge our business enterprise, we even have inspectors in QC Staff and assure you our greatest provider and item for Lug Triple Offset Butterfly Valve, Wafer Double Offset Butterfly Valve, Lever Butterfly Valve. We hope to reduce costs through technology innovation and large-scale production, and improve our competitiveness with integrity and engagement. 'Change for the better!' is our slogan, which means 'A better world is before us, so let's enjoy it!' Change for the better! Please contact us now, you will find our professional experience and high quality grades will contribute to your business.

【Product Introduction】:

High Performance Double eccentric butterfly valve,in addition to the conventional valve had to adapt to the working condition of the medium,according to different medium,chose different structure material and special processing,can aslo be used for cryogenic、vapor、chlorine gas、oxygen、high vacuum、corrosion and other special conditons. Zhengfeng vlave Design standard :API 609, DIN2559, EN593, JIS, GOST and so on.


【Seat Tightness】:

1. When pressure is on the insert side,pressure is applied under the seat lip.This further amplifies the sealing force between the disc and the seat.

2. When pressure is on the non-insert side,the disc moves into the seat.Due to the spherical profile of the disc,the more the disc moves into the seat,the tighter the shut-off.Excess movement of the seat is limited by the flexible lip which contacts the bottom of the groove in the insert ring.

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Product Details:

1. Pressure rate : Class150LB~300LB,PN6~PN63

2. Size : DN50~DN1200

3. Material : Ductile Iron、Aluminium Bronze、Carbon steel、Stainless Steel、Monel、Alloy20...

4. Wafer ends、LUG ends、Double flange

5. Operation : Gearbox、Handle lever、Pneumatic Actuator...

6. Face to face API 609/ISO

7. Test and inspection API598/ISO 5208


HP Butterfly Valve Features:

1. Fire-proof valve is tested to API607 4th Edition and BS6755 Part2.

2. Fixed collar is installed in the top of axis,2''-24'',when axis breaks accident,avoid the upper part to move out of gland.

3. Convenient to maintain and upkeep valve seats.Replace axis only by taking inserts down,without disassembling disc.

4. Superior control characteristics and Inherent flow characteristic is modified equal percentage.

5. Available in a wide choice of material for a broad range of applications.

6. Tight shut-off even in control applications.


While using the 'Client-Oriented' organization philosophy, a rigorous top quality command process, highly developed production devices and a potent R&D workforce, we normally provide high quality products, outstanding solutions and aggressive charges for Double Offset Butterfly Valve Double Flanged Ductile Iron Rubber Seat. We will continue to serve our customers with sincere professionalism, advanced design concepts, reliable quality assurance, and perfect after-sales service. Our company is customer-oriented and strive to meet customer requirements with satisfactory quality, innovative technology, complete varieties, reasonable suggestions and services.

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