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WORLD'S LARGEST PRODUCER OF COKE OVEN DOORS

Simplex have absorbed State-of-the technology acquired through collaboration with lkio, Japan which is world renowned and universally acceptable.  Simplex shops are equipped with  most modern facilities for producing over 150 Coke Oven Doors and Door Frames per month.

We export to JAPAN, TAIWAN, EGYPT, RUSSIA & ITTALY

Simplex ASSURE
NO LEAKAGE
NO POLLUTION UNMATCHED- QUALITY COMPETITIVE PRICE 
 PROMPT DELIVERY 
 ANY DESIGN.  

Simplex  produce world class conventional, zero gas leakage doors as per customer's design.  Our prices are internationally competitive.

SALIENT FEATURES OF ZERO LEAKAGE COKE DOORS - MODEL-I &II

MODEL - I DOORS :   These doors are provided with a flexible Diaphragm made out of thin  austenitic stainless steel with a high yield strength and corrosion resistance positioned between the main door body and refractory plug of the door and bolted to refractory along  with a thick slide plate.

MODEL - II DOORS:  These doors differ from Model-I door only in respect of Diaphragm material. In model-II type doors the Diaphragm is made of a thick Cold Rolled Sheet which is positioned between the main door and refractory plug of the  door and bolted to refractory along with a thick slide plate.

DIAPHRAGM & KNIFE EDGE: Both model I & II doors are welded with sealing  knives which is pressed onto the door jamb surface by means  of plunger springs installed at the periphery of the door body.  The diaphragm & knife edges are constantly pressed to the door  jamb face automatically & smoothly ensuring that the diaphragm corresponds to jamb warpage for perfect sealing 

EXPANSION & CONTRACTION OF DOOR BODY: The door body and diaphragm are fixed with a strong lever.  The heat expansion difference between the door body and the diaphragm is released by letting the diaphargm expand vertically from the lever position. The diaphragm  warpage is adjustable by adjusting screw installed on the door body.  With this adjusting screw air-gap between door body and the diaphragm is maintained.

SPECIAL FEATURES: The air gap between the diaphragm with refractory plug and door  body protects the door against heat transmission from diaphragm & refractory plus, keeps the door cooler due to natural air circulation between the diaphragm & door body, thus the door body warpage is minimized. Since the door practically remains straight the knife edges are automatically pressed at right angles on to the door jamb, thereby completely sealing the gas.  Thus the oven door is a non pollution type door or can be called as eco-friendly door.
The insulation of door  by air reduces over all heat burden, raises coking efficiency, decreases heat consumption and increases productivity.
Cooler door makes door handling easy and ambient temperature in front of oven is improved, improving working condition & productivity.


WITH 50 YEARS OF EXPERIENCE SIMPLEX PRODUCES COKE OVEN DOORS FRAMES

DOOR JAMBS

DOOR JAMBS

ALL BATTERY BUILDERS USE SIMPLEX DOOR AS ORIGINAL EQUIPMENTS. 
S
IMPLEX
MEETS ALL INTERNATIONAL STANDARDS.

COMPLETE ACCESSORIES OF 
DOOR BODY
 

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