Triple Eccentric Hard Seal Worm Gear Driven Butterfly Valve

Triple Eccentric Hard Seal Worm Gear Driven 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

Sticking to the belief of 'Creating products of high quality and making friends with people from all over the world', we always put the interest of customers in the first place for Lug Triple Offset Butterfly Valve, Lug Type Butterfly Valve, 24 Inch Butterfly Valve. We take the production of high quality products as our mission, customers and our mutual success as our objective, and striving to build a world-class brand. Our company has always adhered to the direction of 'quality first, reputation guarantee'.

【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.


After years of unremitting efforts, we have been committed to the research and innovation of Triple Eccentric Hard Seal Worm Gear Driven Butterfly Valve. Based on the business philosophy of 'quality determines success or failure, technology determines development, and users determine survival', we put the interests of customers at a high level during development, and provide them with professional and thoughtful services anytime, anywhere. In an effort to know our products and company extra, you may come to our factory to view it.
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