API 609 Metal Seat High Performance Tripple Offset Butterfly Valve

API 609 Metal Seat High Performance Tripple Offset 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

Adhering to your principle of 'quality, assistance, performance and growth', we have now gained trusts and praises from domestic and international customer for DI Butterfly Valve, Double Flange Butterfly Valve, Lug Style Butterfly Valve. We welcome all inquiries and comments. The products have been sold well in many countries and regions. It is our customers' satisfaction over our products and services that always inspires us to do better in this business. Whether to customers, employees, or other partners, we will stay and treat each other as always with honesty.

【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 has become a leader in the industry of API 609 Metal Seat High Performance Tripple Offset Butterfly Valve. Based on the business philosophy of innovation and pragmatism, we rely on technological progress to continuously upgrade our products to meet customer requirements. We provide all our customers with first-rate technology, a mature and fast service, that is our everlasting promise! It will be the main developing tendency to realize mutual-benefit and complement each other by competition and co-operation in the industry.

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