Non Return Valve

valve

Non Return Valve Selection

We supply ring plunger / non return valve as per customer request both of normal and clutch type. ring plunger set has important roll for molding process.

Manufacturing Size
SIZE OUTER DIA LENGTH
MIN >
Ø30
100
MAX >
Ø125
350

Material Selection

GRADE MATERIAL HEAT TREATMENT HARDNESS HRC HARDENING DEPTH
AISI 4140
42CrMo4
HARDENING
48-50
Thru
En24
34CrNiMo6
HARDENING
58-60
Thru
En41b
41CrAlMo7
GAS NITRIDING
60-65
0.4-0.6mm depth
H13
X40CrMoV51
HARD – GAS NITRIDING
58-65
Thru / 0.4-0.5mm depth

Coating Selection

High wear / friction and pressure are developed at the time of molten plastic feed. in this concern we provide some coating solution as per below.

GRADE COATING THICKNESS HARDNESS HRC HARDNESS HRC
HARD CHROME PLATING
58 - 62 HRC
FOR NORMAL PLASTIC
PVD TiN
2800 HV0.05
FOR 15% GLASS FIBER
PVD AlTiN
2800 HV0.05
FOR 30% GLASS FIBER
PVD AlTiCrN
2800 HV0.05
FOR 50% GLASS FIBER