Axial Valve System – Type Hyreval
The most Reliable Valve System for flow control and different safety operations.
In terms of functions:
Flow Control
Surge Relief
Shut-Off
Check Valves
Flow Measurement and Dosing
HYREVAL nominal sizes and pressure ratings:
RANGE OF VALVE SIZE AND PRESSURE RATING – COMPREHENSIVE SCOPE
PRESSURE RATINGS ACCORDING TO REGULATIONS:
EN 1092 and DIN 2543-2551
ANSI, ASME and API
TECHNICAL SPECIFICATIONS:
Material:
Ductile cast iron EN-GJS 400-15 (GGG 40) Pressure/temperature ratings acc. to en 1092-2
Carbon steel cast – pressure/temperature ratings acc. to en 1092-1 material group 3e0 (1.0425; 1.0460; 1.0619)
Different high tensile stainless steel and special alloys
Construction and design:
Specification AD 2000 and EN 13445 for pressure vessels
PED 97/23 EU (Pressure Equipment Directive)
89/336 EEC EU Electromagnetic directive
TESTING:
HYDROMAT ® products are manufactured and tested in strict accordance to DIN EN 12266-1&2 or ASTM, ASME, ANSI, API and other applicable industry codes and specifications. Quality Assurance procedures include 100% hydrostatic and pneumatic testing of all valves.
Classification of HYREVAL® Valve Depended on Drive Mode and Design:
HYDRAULIC DRIVE – Type HD
Drive options by: external pressured fluids as a hydraulic oil pressure, compressed air, water or water emulsions, oil and gas…
flow medium directlyValve functions: extremely reliable and precise flow control, On/off, Shut-off, Surge relief and different safety operations in the most difficult working conditions in different areas of application.
Drive options: single and double acting
PNEUMATIC DRIVE – TYPE PHD & PD
Drive options and design: Pneumatic as a main drive and hydraulic as a emergency to open and/or close direction, type PHD
Pneumatic drive only as a main drive, type PDMain drive directly with compressed air supply from 4 up to 10 bar
Valve functions: Flow control, On/Off, Shut-off and different safety operations.
Design with solid pneumatic piston or elastic diaphragm
Drive options: Single and double acting
MECHANICAL DRIVE – TYPE MD
Drive options: hand wheel only, electro-mechanical devices like „auma” brand or similar, classical or special electro-motors, air-motors, hydro-motors.
Manual override with hand wheel at the all drive options
Valve functions:Flow control and On/Off operations
Flow medium: Water (potable, process, waste, raw, sea) Oil, gas, acid gases containing h₂s, Compressed air, low and high temperature mediums (cryogenic areas to Hot steam)
