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SP45F number lock balance valve

  • Model:SP45F-10/SP45F-16/SP45F-16Q/SP45F-25Q/SP45F-16P/SP45F-25P
  • Specification:DN15-DN350
  • Temperature:0~120℃
  • Medium:Water and water-like media
  • Pressure:PN10~PN25
  • Connection method:Flange
  • Driving method:manual
  • Material:cast iron, ductile iron, stainless steel
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  • Product Overview
  • Performance Data
  • Size Weight

Overview

The SP45F number lock balance valves are precision-engineered regulators for achieving hydraulic equilibrium in centralized heating, HVAC, and other water systems. Featuring integrated flow indication and digital locking mechanisms, these valves enable technicians to precisely set and mechanically lock flow rates or pressure differentials in each circuit. The SP15F utilizes flange connections for water supply systems, while the SP45F employs threaded connections for return water systems or smaller-diameter pipelines. Their core function is to eliminate thermal imbalances and ensure flow distribution according to design specifications, serving as critical components for energy-efficient and high-performance system operation.

SP45F number lock balance valve Product Diagram

Feature

1. Digital Locking and Scale Indication: The valve features a digital opening locking mechanism and clear scale markings for indicating valve position. After adjustment, the locking device secures the valve stem position, effectively preventing preset value changes caused by vibration or misoperation, ensuring long-term balanced stability of the system.

2. Specialized measurement interface and debugging function: The valve body features a standard measurement interface, enabling the use of dedicated smart instruments to quickly measure and display real-time parameters such as flow rate and pressure difference without interrupting system operation. This significantly simplifies both initial system debugging and subsequent inspection and maintenance tasks.

3. Exceptional linear regulation and wide adjustment range: The valve core features a scientifically designed flow characteristic curve (e.g., linear or equal percentage), enabling a broad adjustment range. It ensures smooth and precise regulation across the entire flow range from minimum to maximum, meeting the need for fine control under varying loads.

4. Excellent shut-off performance and low flow resistance: The valve ensures reliable sealing when fully closed, making it suitable as a loop shut-off valve. When fully open, the optimized flow path minimizes flow resistance, reducing unnecessary system energy consumption.

5. High-reliability design: The valve stem features anti-rotation construction to prevent seal wear, while the packing structure ensures reliable performance with zero leakage.

SP45F number lock balance valve Structure Diagram

Performance Specification Sheet

Performance Specification Sheet
Nominal Pressure1.01.62.5MPa
Strength test pressure1.52.43.8
Sealing test pressure1.11.762.8
Applicable Temperature0~120

List of Component Names and Materials

part namebody, coverstemdiscsealing gasket
Materialcast iron, ductile iron, stainless steelstainless steelductile cast ironrubber asbestos board



Standard requirements for external dimensions

1. The structural length of the valve shall comply with the standard of GB/T12221

2. Connecting flanges according to GB/T17241.6 standard

SP45F number lock balance valve Outline Diagram


Outline dimension table

DN(mm)LH
15100128
20115128
25125130
32180230
40200242
50230250
65290260
80310329
100350340
125400424
150480454
200550517
250622573
350787705


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    Specification:

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