Stainless Steel Double Offset Worm Wheel Operation Extension Barwafer Butterfly Valve

Stainless Steel Double Offset Worm Wheel Operation Extension Barwafer Butterfly Valve

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

We always adhere to the business tenet of 'Quality First, Service Excellence', and use a complete business system to continue to provide users with high-quality Metal-seated Butterfly Valve, Lug Type Butterfly Valve, Pneumatic Ball Valve and professional services. On the basis of introducing and digesting advanced technology, we will independently research and develop and constantly innovate and forge ahead. Our company try our best to provide better service for customers with perfect after-sales service system, and sincerely establishes friendly business alliance for domestic and foreign customers. Any trading companies or distributors from any countries are welcomed. Additionally, we welcome visitors to our factory from all over the world for much better recognizing of our corporation.

【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.


Our objective will be to research and develop new products, continue to innovate, strive for perfection and deliver better Stainless Steel Double Offset Worm Wheel Operation Extension Barwafer Butterfly Valve to customers around the world. We expect to deliver merchandise and services to more users in global aftermarket markets; we launched our global branding strategy by providing our excellent products and solutions all over the world by virtue of our well reputed partners letting global users keep pace with technology innovation and achievements with us. We establish close strategic partnerships with relevant companies with competitive advantages, thereby improving the overall competitiveness of the supply chain system.

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