North Dagon, Yangon, Myanmar | hninpwintengineering@gmail.com
+95 9506 5969 | 09 5112128 | Established 2019
Our Manufacturing Partner

Dofun Refrigeration Valves in Myanmar from Hnin Pwint Kyaw

ShanDong DoFun Refrigeration Technology Co., Ltd. manufactures high-precision cast steel refrigeration valves for industrial ammonia and CO₂ systems — stop valves, regulating and expansion valves, check valves and filter strainers.

Hnin Pwint Kyaw holds the exclusive import authorisation for Myanmar. Every valve we supply comes straight from the manufacturer with full certification, so factories and contractors receive genuine Dofun parts with manufacturer backing and technical support — not copies or grey-market stock.

Only authorized importer in Myanmar

We are the sole authorised supplier of genuine Dofun valves in Myanmar, with a direct commercial relationship with the factory in China.

Built for low-temperature systems

Cast steel bodies rated from -46°C to +150°C, purpose-designed for R717 ammonia and R744 CO₂ refrigeration circuits.

PS 60 bar working pressure

Pressure ratings suited to the high working pressures of industrial ammonia plants, with accurate flow control across the range.

CE 0036 certified, fully traceable

Supplied with CE 0036 approval documentation and model-level traceability, backed by our own quality guarantee and after-sales service.

Dofun Products

Dofun Straight Stop Valve SVD-S-DN25
MODEL: SVD-S-DN25

Straight Stop Valve DN25

Authentic Dofun heavy-duty cast stop valve engineered for industrial refrigeration pipelines.

  • Nominal Size: DN25 (1")
  • Pressure Rating: PS 60 bar
  • Working Temp: -46°C ~ +150°C
  • Refrigerants: R717 (NH₃), R744
Dofun Angle Stop Valve SVD-A-DN25
MODEL: SVD-A-DN25

Angle Stop Valve DN25

Dofun right-angle stop valve with ergonomic blue handwheel, optimized for compact cold storage piping headers.

  • Configuration: 90° Angle Pattern
  • Nominal Size: DN25
  • Pressure Rating: PS 60 bar
  • Operation: Handwheel / Cap
Dofun Filter Strainer Valve FVD-S-DN25
MODEL: FVD-S-DN25

Filter - Strainer Valve DN25

Stainless steel mesh strainer valve designed to protect compressors and expansion valves from pipeline particulates.

  • Type: Y-Pattern Strainer
  • Body Material: Low-Temp Cast Steel
  • Cleanable: Removable Element
  • Connection: Welded Ends
Dofun Regulating Valve TVD-S-DN25
MODEL: TVD-S-DN25

Regulating / Expansion Valve

Dofun manual regulating throttle valve with red precision adjustment wheel for exact refrigerant metering.

  • Function: Flow Metering / Throttle
  • Regulation: Micro-metering cone
  • Pressure: PS 60 bar
  • Certification: CE 0036 Approved
Dofun Check Valve CVD-S-DN25
MODEL: CVD-S-DN25

Straight Check Valve DN25

Non-return check valve preventing reverse refrigerant surge in compressor discharge and liquid return lines.

  • Type: Spring-Loaded Non-Return
  • Temp Range: -46°C to +150°C
  • Max Pressure: PS 60 bar
  • Certification: CE 0036
Safety Relief Valve SRLA 20
MODEL: SRLA 20

Safety Relief Valve SRLA 20

ASME standard industrial safety pressure relief valve manufactured by HP Vietnam for ammonia pressure vessels.

  • Inlet Size: 18 mm
  • Set Pressure: 275 PSI
  • Temp Rating: -30°C to +100°C
  • Standard: ASME B16 / TCVN 7915
Spare Parts and Solenoid Valves

Solenoid Valves & Parts

Comprehensive inventory of flanges, seals, gaskets, solenoid coils, and diagnostic tools for refrigeration plants.

  • Applications: Cold Storage & Ice Plants
  • Solenoids: DN25 & Industrial sizes
  • Gaskets: Ammonia-resistant PTFE
  • Availability: Ready in Yangon Stock

Dofun valves are manufactured by ShanDong DoFun Refrigeration Technology Co., Ltd. (China). Safety relief valves and plant spares are supplied through our certified regional partners.

Valve Specifications At A Glance

Dofun refrigeration valve specifications
Model Valve type Size
SVD-S Straight stop valve DN6~DN150
SVD-A Angle stop valve DN15~DN100
FVD-S Filter strainer valve DN15~DN40
TVD-S Regulating / expansion valve DN20~DN40
CVD-S Straight check valve DN15~DN100
SCV-A Angle stop check valve DN15~DN100
DEVS Solenoid valve DN15~DN32
OFD Overflow valve DN20~DN25
LS50 Switch Level Float DN20