Description

KSC check valves are two port screw-in cartridge valves that designed to fit in a cavity confirming to ISO 7789 : 1998 (E).

These are seat type valves, available in four different sizes and with five different cracking pressure in each size.

Check valves allow free flow in one direction while providing leak-free closure in reverse direction 

Section

 

Unit Dimensions

Size Threads Torque (Nm)
20-01-0-98 M20 140
22-01-0-98 M22 150
33-01-0-98 M33 350
42-01-0-98 M42 500
Size L1 L2 S
20-01-0-98 30.0 41.5 27
22-01-0-98 38.0 52.5 27
33-01-0-98 49.5 81.5 41
42-01-0-98 55.0 91.0 50
Cavity Details

Codification

20-01-0-98 22-01-0-98 33-01-0-98 42-01-0-98
M M20 x 1.5 M22 x 1.5 M33 x 2.0 M42 x 2.0
D1 min. 38 42 58 74
D2 H8 17 19 29 38
D3 +0.1 21.8 23.8 35.4 44.4
T1 min. 30.5 38.5 50 56
T2 +1 32 40 52 58
T3 min. 14.5 17 22 23
T4 max. 20.5 27.5 38.5 43.5
T5 +0.4 Ref. 21 28 39 44
T6 +0.4 22.3 29.3 40.7 45.7
T7 max. 2 2 2.5 2.5
T8 +0.4 2.4 2.4 3.1 3.1
T9 min. 14.5 15.5 19 19.5
Technical Specifications
Construction ............................................  Poppet seat type.
Mounting style ..........................................  Screw-in cavity as per ISO : 7789 : 1998 (E)
Interface ......................................... Factory standard.
Mounting position ............................ Optional.
Flow direction ................................. Free flow from 1 to 2.
Operating pressure ......................... 350 bar.
Hydraulic medium ........................... Mineral oil.
Viscosity range ............................... 10 cSt to 380 cSt.
Fluid temperature range .................. -20 C to +70 C.
Fluid cleanliness requirement .................. As per ISO 19/16 or better. (NAS 10)
Nominal flow handling capacity ....................  Refer graphs.

Ordering Informations

Screw-in cartridge KS
Check valve C
Size
Spring Cracking
Non Adjustable X
Seals
Design Code 1.X

Product Code


All rights reserved.
Subject to revision.

Regd. office & Works :
78-80, Machhe Industrial Estate, Machhe, Belgaum - 590 014. Karnataka, INDIA. 
Phone :
+91-0831-2411001.  Fax : +91-0831-2411002 ,  
E-mail :
 
polyhydron@vsnl.com ,  Website :  www.polyhydron.com

 

Copyright Polyhydron Pvt. Ltd. Belgaum, India.
Site developed by
Polyhydron Pvt. Ltd, Belgaum, India.

Updated on May 13, 2010 02:42 pm .