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CHEMVALVE-SCHMID Check valves
ChemValve-Schmid AG resulted from the merger of ConVey-Schmid AG which was founded in 1993 and ChemValve AG from Stäfa (canton Zurich). The purpose of the company based in Welschenrohr contains the development and production of fittings, valves, systems of the process and environmental technology of every kind. These products are used in the environment technology, process engineering, chemistry, food and energy producing industry.
Non return valve CSD/CVD DN15-100
Applications: For liquids, gases and steams in all process techno logies
Sizes: DN15-DN100 Classification of these products according to DGRL 97/23/EC, fluid group 1 Installation with sealing between flanges according to DIN EN 1092-1 Form B1, PN 6-40and ANSI B16.5 Class 150/ 300 RF, Nominal pressure max. PN40 Operational limits according to DIN EN 1092-1 and A D-Merkblätter W10, Tightness according to DIN EN 12266-1, Leakage Rate D (Sealing M, T) and Leakage Rate A (Sealing E, P, V), Overall lengths according to DIN EN 558, line 49 Standard spring applicable up to 300°C, Identification according to DIN EN 1
Materials: Steel, Stainless Steel, Bronce, Uranus, Hastelloy B/C
Sealings: Metal, EPDM, NBR, Viton, PTFE.
Special types: Hastelloy C4 springs (up to 400°C) and Nimonic (up to 500°C). Special springs for different opening pressures up to max. 500mbar , Holding flange on operation for ventilation or vacu um breaker
Non return valve DSF
Applications: For liquids, gases and steams in all process techno logies.
Technical datas: Placement between flange according to DIN EN 1092-1, PN 10-160 and ANSIB16.5 CL. 150-600lbs Nominal pressure max. PN40 Overall lengths according to DIN EN 558-2, Gr. 52 Tightness according to DIN EN 12266-1, Leakage Rate D (Sealing M, T) and Leakage Rate A (Sealing E, P, V), Operational limits according to DIN EN 1092-1 Identification according to DIN EN 1
Non return valve D-TEF
Applications: For liquids, gases and steams in all process technologies
Description: Parts which are in contact with the medium are made
of PTFE or other high-quality synthetics.
The supporting ring chambers the body and protects
from lateral flange
pressure. Guiding of valve plate by the ribs of the spring ca
p. The Hastelloy C4 spring is coated with a PTFE/PFA tube and welded on the ends.
Technical datas:
Placement between flange according to DIN EN 1092-1, PN 10
Operational limits according to DIN EN 1092-1 and AD-Data-Sheet W10
Tightness according to DIN3230/3, BN2 and BO3
Overall lengths according to DIN EN 558-2, line 52
Identification according to DIN EN 19
Check valves CSC/CSCF DN50-1000
Applications: For liquids, gases and steams in all process technologies
Description: Klappenscheibe mit angegossener Öffnungsbegrenzung
(Standard), Optionale Feder (CSCF). Gleiche Baulänge für CSC (ohne Feder) und CSCF (DN050 – 200 mit Feder)
Technical datas:
Placement between flange according to DIN EN 1092-1, PN 10
Operational limits according to DIN EN1092-1 and AD-Data-Sheet W10, Tightness according to DIN 3230/3, BN2 and BO3
Identification according to DIN EN 19, Short weight-saving overall lengths
Double disc check valve DDC DN50-1200
Applications: For liquids, gases and steams in all process techno logies
Description: Centering by the outside diameter of the body or c entre ring, Excentric disc for wide opening angle and minimum pressure drops
Technical Datas: Placement between flange according to DIN EN 1092-1, PN 10 Nominal pressure max. PN40, Overall lengths according to DIN EN 558-1, Gr. 16, Tightness according to DIN EN 12266-1, Leakage Rate G (Sealing M, T) and Leakage Rate A (Sealing E, P,V) Operational limits according to DIN EN 1092-1 Identification according to DIN EN 1