Knife Gate Valve 103

DN50-1000 PN10-16

Guarantee

Comprehensive Documentation

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Technical Specifications

Nominal diameter DN 50-1000
Nominal pressure PN 10, PN16
Medium temperature -20 °C ... +130 °C
Types of Valve End Connections Wafer, lug
Leakage Class «А»
Mounting Position Any, except for the actuator facing downward
Types of Control — manual (lever) 
— manual (handwheel)
— manual (gearbox)
— pneumatic actuation 
— electric actuation
Warranty Period 12 months
Average Service Life 2500 cycles
Guaranteed Service Life Not less than 1000 cycles

Technical Drawings and Dimensions

Nominal Pressure PN10

Basic Dimensions Table

DN	D, mm	D1, mm	D2, mm	L, mm	n-ød
50	165	125	102	48	4-M16
65	185	145	122	48	4-M16 / 8-M16
80	200	160	138	51	8-M16
100	220	180	158	51	8-M16
125	250	210	188	57	8-M16
150	285	240	212	57	8-M20
200	340	295	268	70	8-M20
250	395	350	320	70	12-M20
300	445	400	370	76	12-M20
350	505	460	430	76	16-M20
400	565	515	482	89	16-M24
450	615	565	532	89	20-M24
500	670	620	585	114	20-M24
600	780	725	685	114	20-M27

Tabular values for diameters DN700–DN1400 and for pressure PN16 are available upon request

Product Description

Knife Gate Valve Model 103 is manufactured as a monolithic casting (non-dismountable) and equipped with a U-shaped seat.

During valve opening, the seal adapts to the internal contour of the body, ensuring a full bore flow path without stagnation zones. This provides effective protection against the ingress of fine abrasive particles into the valve’s “gate pocket,” which guarantees high cycle life and operational durability.

Design Features:

Articulated seal providing bi-directional tightness
Wide selection of body and sealing materials
During valve opening, the seal conforms to the shape of the internal body cross-section, ensuring unrestricted, full bore flow and eliminating stagnation zones

Working Media: