Offset Connection Dimension 18 Flowserve Flowseal Air Sandwich Type Triple Eccentric Butterfly Valve

Offset Connection Dimension 18 Flowserve Flowseal Air Sandwich Type Triple Eccentric Butterfly Valve

* Size : 20''(DN500)
* Pressure rate : ANSI 150LB
* Type : LUG type ends
* Operation : Gearbox
* F to F length : 127mm
* Design stanard : API609

Product Details

Stable quality, good reputation and reasonable price are our promises. We uphold the concept of quality first and continuous innovation and become the benchmark in the API 609 Double Offset Butterfly Valve, Flange Type Butterfly Valve, Stainless Steel Butterfly Valve industry. We've been consistently broadening the market all over the world. We uphold the core values ​​of creating value for our partners, and take honesty, tolerance, innovation and service as our corporate spirit. After years of development, our company continues to grow and now our company has accumulated a large number of customer resources and won the unanimous praise of customers with high quality, reasonable price and good reputation. We have won wide recognition from customers with our pragmatic, efficient, and honest business style, and we have accumulated a wealth of experience in the industry. We are willing to cooperate sincerely with you and develop together!

【Product Introduction

Triple Eccentric Butterfly Valve is designed to withstand pressures up to 900lbs, temperature resistance down to -196 °C, up to 700 °C, seals up to 0 leakage, and control ratios up to 100:1. 

Starting from the shape characteristics of the sealing surface of the triple eccentric butterfly valve,sealing sub-fixing method adopts the bolt-shaped elliptical distribution to fix, not only the positioning is accurate, but also makes each bolt balance the force and eliminates the uneven distribution of stress.

That is to say, in all kinds of harsh and critical process control pipelines, whether it is an on-off valve or a control valve, as long as the selection is right, the disc valve can be safely used now, and the cost is low.


【Product Details:

* Type : LTD373H                                                                                                       * Connection: LUG ends

* Size : 20''                                                                                                                 * Pressure rate:150LB

* Operation : Gearworm                                                                                             * Torque : 5530N.m

* Suitable Temperature : -29°C ~ 425°C                                                                    * Suitable service : Water,Oil and Gas

* Provide Matching Flanges and bolts : Availale                                                        * Function : Shutoff

* Standard: design and manufacture API 609                                                            * Face to face dimension API 609

* End flanges dimension ANSI B16.5                                                                         * Test & inspection as API 598


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Product Features

1. The Triple Eccentric Butterfly Valve has three offsets and the third offset is the geometry of the seat surface, forming a tapered shape of the disk and seat. This taper angle and the two eccentric shaft offsets allow the disc to seal the seat without friction.

2. This Valve's seat design allows for a uniform seal for tight closure of the metal seat design. This design is a lower cost and lower torque option than other types of metal seat valves.

3. Triple offset is commonly used in applications like gate valves where a metal seat is required and requires close closure and/or quarter turn actuation.


Our company has a number of professional production and technical personnel and a number of creative design talents. After years of efforts of all colleagues, the company's scale and strength are growing and Offset Connection Dimension 18 Flowserve Flowseal Air Sandwich Type Triple Eccentric Butterfly Valve are mainly sold overseas. In recent years, with the continuous growth of product demand, the market has ushered in rapid growth and development. Therefore, the development strategy has become an important means for us to build competitive advantages. First-class serve, best quality, best price and fastest delivery date is our advantage!

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