1in Stainless Steel Double Offset High Performance Butterfly Valve

1in Stainless Steel Double Offset High Performance 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 thinks what prospects think, the urgency of urgency to act from the interests of a client position of theory, allowing for Lever Butterfly Valve, DIN Butterfly Valve, Bidirectional Triple Offset Butterfly Valve. We insist on original design, aiming to provide users with all-round choices, and also enrich product resources for cooperative customers. We sincerely hope to establish good cooperative relationships with our new and old business partners from all parts of the world. Under the background of the new era, we inject new development opportunities for products through new marketing, operations, and market environments. We hope to achieve mutual benefit and win-win under the premise of honesty and create common commercial value and social benefits.

【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.


We are an enterprise specializing in 1in Stainless Steel Double Offset High Performance Butterfly Valve. The working principles we insist on is, rigorous, innovative, pragmatic, enterprising, efficient, diligent and honest. With the effort to keep pace with world's trend, we will always endeavor to meet customers' demands.

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