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Pressure Control Valve Manufacturer in Taiwan
UL Wafer Type Butterfly Valve

HBF-300W

  • Ductile Iron

  • Flange 2.5'' to 12''

  • 300psi

  • Conforms to API 609

Model HBF-300W, UL Listed Wafer Butterfly Valve, is designed for use it in flanged piping systems and held in place using two flanges and a series of nuts and bolts. A Wafer Butterfly Valve requires to have the flanges on either side of it connected to each other in order to hold the valve in place. But first, the entire fire sprinkler or standpipe system must be shutdown and drained before installing or removing this valve.

How do you install a wafer type butterfly valve?

1. Set auxiliary screw at proper place, to regulate distance between two flanges or groove faces.

2. For wafer butterfly valve, insert the valve and screw on the rest bolts, align inner circles on the pipeline, make sure valve center and flange center are concentric and disc switch position are not blocked by flange inner diameter or near parts, then repeatedly tighten bolts at uniform diagonal.

3. For grooved butterfly valve, firstly set the sealing ring on pipeline or valve groove end, align groove end, move sealing ring to joint of valve and pipeline, install hoop, tighten hoop bolts, make sure valve center and flange center are concentric and disc switch position are not blocked by flange inner diameter or near parts.

4. After finishing installation, once again make sure full open and full open angle.

Hants Signal switch wiring diagram

Hants Signal switch wiring diagram

▲ Signal switch wiring diagram

What are the features of an ul wafer type butterfly valve?

◆ Lightweight and low-cost control over water flow.

◆ UL Listed Wafer Type Butterfly Valve is suitable Fire Protection Piping Sprinkler System.

◆ Yellow Indicator that shows the operator which way the disc is facing.

◆ Includes an electronic tamper switch that communicate with a control panel and alarms when the valve's disc rotates.

◆ Top/Test Standard ISO5211 / API 598.

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UL Wafer Type Butterfly Valve
UL Wafer Type Butterfly Valve
Specification