Pneumatic Wafer Type Triple/Three Eccentric Butterfly Valve

Pneumatic Wafer Type Triple/Three 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

Wafer Double Offset Butterfly Valve, Rubber Lined Butterfly Valve, Trunnion Ball Valve are mainly exported to all parts of the world, our company are in line with the business philosophy of 'survival by quality and reputation' and our company has won the unanimous praise of our customers for many years. We will always be your first choice. We always continually offer you the most conscientious purchaser services, and the widest variety of designs and styles with finest materials. Our company takes high quality and timely after-sales service as guarantee and develops together with customers and recognize this as the biggest driving force for the development of our company.

【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.


Based on the concept of innovation, our company has the ability to design and develop Pneumatic Wafer Type Triple/Three Eccentric Butterfly Valve products and micro-innovation by virtue of meticulous production technology, perfect management mode and quality management system. Welcome new and old friends to inquire by letter or call. Till now, the items list has been updated regularly and attracted clients from around the globe.
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