RAF

RAF

Product catalog summary
Overview: The document provides technical specifications and guidelines for the Altitude Control Valve, which is designed to maintain the maximum high water level consistently. The valve closes tightly at the high-level set point and remains closed to ensure proper water level management.
Materials and Specifications: The valve body is made from materials such as Cast Iron, Ductile Iron, Bronze, and Stainless Steel. It adheres to specifications including JIS, ANSI, ISO/DIN/BS4504.
Valve Sizes and Dimensions: The document lists various valve sizes with corresponding item numbers and dimensions, ranging from 2 inches to 12 inches in size.
Water Level Range: The valve is suitable for water levels ranging from 2 to 15 meters and 10 to 40 meters.
Installation Recommendations: It is advised to thoroughly remove impurities or metal dust from inside the pipe and, if possible, add a filter to prevent pipe blockage.
Adjustment Instructions: The altitude pilot valve can be adjusted by turning the screw clockwise to increase the reservoir water level.
Pressure Specifications: The document provides test and working pressure ratings for different materials: Ductile Iron (25bar test, 16bar working), Bronze (21bar test, 12bar working), and Stainless Steel (35bar test, 22bar working).
Component Materials: The document lists materials for various components such as the center shaft, sealing spacer, seat, cover, spring, fixed bolt, main body, diaphragm, and others, primarily using Stainless Steel, Bronze, and Cast Iron.
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Catalog excerpts

RAF-1

ALTITUDE CONTROL VALVE The Altitude valve maintains the maximum high water level with consistent repeat. The Altitude valve shall close tightly on high level set point and remain closed. Materials of valve body: Cast Iron, Ductile Iron, Bronze & Stainless Steel Specification: JIS, ANSI, ISO/DIN/BS4504. Test Pressure Ductile Iron 25bar Working Pressure Ductile Iron Stainless Steel NO Item Name 1 Cover Stainless steel Stainless Steel Stainless steel Stainless steel Stainless Steel Stainless steel Stainless steel Cast Iron Stainless steel Cast Iron 6 Diaghragm Fixed Bar Bronze Stainless steel Stainless steel Stainless steel R Altitude Pilot Valve Stainless steel Stainless steel Stainless steel Stainless steel Stainless steel Cast Iron Flange End Water level: 2 ~ 15 m 10 ~ 40 m Please remove impurities or metal dusts inside the pipe thoroughly. If possible, please add filter to prevent pipe blocking. Adjustment data: Altitude pilot valve #R: Turn adjusting screw clockwise to increase reservoir water level.

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