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Home HVACAuxiliary EquipmentValve4 Way Reversing Valve

SHF-35B-79G47 Sanhua Stainless Steel 4 Way Reversing Valve

Brand:
Sanhua
Medium Temperature[℃ ]:
-30/+130 ℃
Min. OPD[MPa]:
0.3 MPa
Max. OPD[MPa]:
3.1 MPa
Max. Working Pressure[MPa]:
4.2 MPa
Connections ØE,S,C [inch]:
1-1/8 inch
Connections ØD [inch]:
7/8 inch
Fixed/Inverter AC:
Fixed
Series:
SHF-G
Model:
SHF 35G
Order Number:
SHF-35B-79G47
Description:
SHF-35B-79G47, Sanhua, Stainless Steel 4 Way Reversing Valve, Fixed, 7/8 inch, 1-1/8 inch, 4.2 MPa, 3.1 MPa, 0.3 MPa, -30/+130 ℃
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Product parameters

Product attributes Attribute value Filter product attributes
Brand： Sanhua
Medium Temperature[℃ ]： -30/+130 ℃
Min. OPD[MPa]： 0.3 MPa
Max. OPD[MPa]： 3.1 MPa
Max. Working Pressure[MPa]： 4.2 MPa
Connections ØE,S,C [inch]： 1-1/8 inch
Connections ØD [inch]： 7/8 inch
Fixed/Inverter AC： Fixed
Series： SHF-G
Products with the same attribute : 0
Show details

Series Overview

SHF series four-way reversing valves are applicable for heat 
pump systems such as commercial and room air conditioners realize switching cooling mode, deforsting mode and heating mode by changing the fow path of refrigerant.
FEATURES 
• ALL STAINLESS STEEL VALVE BODY AND CONNECTION   BODY, HIGH COMPRESSIVE STRENGTH AND BETTER VIBRATION RESISTANCE
• LESS HEAT LOSS THAN COPPER VALVE, HIGH EFFICIENCY AND ENERGY SAVING
• THE TOP OF CONNECTION END IS DESIGNED AS A COPPER JOINT, WHICH IS CONVENIENT FOR WELDING AND INSTALLATION
• SUITABLE FOR COOLING CAPACITIES FROM 4.6kW TO 77.2 kW (R410A, CONDITION 1)
GENERAL SPECIFICATIONS
• Applicable for all common HCFC,HFC,HFO and HC refrigerants such as: R22, R134a, R404A, R407C, R410A, R507, R1234yf, R1234ze(E), R32, R290, etc.
• Ambient Medium Temperature min/ max: SHF 4G/7G/13G: 
-30°C~+120°C
SHF20GR/20G/35G/50G/70G: -30°C~+130°C
• Ambient temperature min/max: -30°C~+55°C
• Relative humidity: 0 to 95% RH
• Max. operating pressure: 4.2MPa (42bar)
• Certifcations: CQC
• Installation position: - Coil upwards or with body axis in horizontal alignment
- Flow direction according to installation instruction

Details

SHF
Valve Series Nominal Cooling Capacity (condition 1) KW Nominal Cooling Capacity (condition 2) KW
R22 R134a R407C R410A R32 R22 R134a R407C R410A R32
ΔP:0.1bar ΔP:0.2bar ΔP:0.1bar ΔP:0.2bar ΔP:0.1bar ΔP:0.2bar ΔP:0.1bar ΔP:0.2bar ΔP:0.1bar ΔP:0.2bar ΔP:0.1bar ΔP:0.2bar ΔP:0.1bar ΔP:0.2bar ΔP:0.1bar ΔP:0.2bar ΔP:0.1bar ΔP:0.2bar ΔP:0.1bar ΔP:0.2bar
SHF3 3.1 4.4 2.4 3.4 2.9 4.1 3.8 5.3 4.9 6.9 2.9 4.1 2.2 3.1 2.7 3.8 3.4 4.8 4.6 6.4
SHF4 3.5 5.0 2.7 3.9 3.3 4.7 4.3 6.1 5.5 7.8 3.3 4.7 2.5 3.6 3.1 4.4 3.9 5.5 5.2 7.4
SHF7 6.4 9.1 5.0 7.0 6.1 8.6 7.8 11.1 10.1 14.2 6.1 8.6 4.6 6.5 5.6 7.9 7.1 10.0 9.4 13.3
SHF11 10.0 14.1 7.7 10.9 9.4 13.3 12.1 17.1 15.6 22.1 9.4 13.3 7.1 10.1 8.7 12.3 11.0 15.6 14.6 20.7
SHF14 14.6 20.7 11.3 15.9 13.8 19.5 17.8 25.2 22.9 32.4 13.8 19.5 10.5 14.8 12.7 18.0 16.1 22.8 21.5 30.4
SHF20 21.9 31.0 16.9 23.9 20.7 29.3 26.7 37.7 34.3 48.6 20.7 29.2 15.7 22.2 19.1 27.0 24.2 34.2 32.2 45.5
SHF35 32.5 46.0 25.1 35.5 30.7 43.5 39.6 56.0 51.0 72.1 30.7 43.4 23.4 33.0 28.4 40.1 36.0 50.9 47.8 67.6
SHF50 41.8 59.2 32.3 45.6 39.5 55.9 50.9 72.0 65.6 92.7 39.4 55.8 30.0 42.5 36.5 51.6 46.2 65.4 61.5 86.9
SHF70 63.1 89.2 48.7 68.8 59.6 84.3 76.8 108.6 98.9 139.8 59.5 84.5 45.3 64.0 55.0 77.8 69.7 98.6 92.7 131.1
SHF100 89.6 126.8 69.1 97.8 84.7 119.7 109.1 154.3 140.5 198.7 84.5 119.6 64.3 91.0 78.1 110.5 99.1 140.1 131.7 186.3
SHF140 129.3 182.8 99.7 141.0 122.1 172.7 157.4 222.6 202.6 286.5 121.9 172.4 92.8 131.2 112.7 159.3 142.9 202.0 190.0 268.7
SHF175 156.1 220.7 120.4 170.2 147.4 208.4 190.0 268.7 244.5 345.8 147.2 208.1 112.0 158.4 136.0 192.3 172.5 243.9 229.3 324.3
SHF210 186.8 264.2 144.1 203.8 176.4 249.5 227.4 321.7 292.8 414.0 176.2 249.1 134.1 189.6 162.8 230.3 206.5 292.0 274.5 388.3
SHF350 306.4 433.2 236.3 334.2 289.3 409.2 373.0 527.4 480.1 678.9 288.9 408.5 219.9 311.0 267.0 377.6 338.6 478.8 450.2 636.7
SHF420 391.8 554.1 302.2 427.4 370.0 523.3 477.0 674.6 613.9 868.3 369.4 522.5 281.2 397.7 341.5 482.9 433.0 612.3 575.8 814.2
Note:
1.ΔP represents the pressure drop from ØC to ØS or from ØE to ØS;
2. The selection capacity of the four-way valve for R32 systems should be ≥60%. It is not recommended to use the four-way valve in
systems with a capacity less than 60% of the nominal capacity. When used in R32 systems, it is essential to ensure the reliability of
low-pressure commutation under extreme conditions.

Product Introduction

The Sanhua SHF-35B-79G47 Stainless Steel Four-Way Reversing Valve is a specialized model within the 35B small-size series, engineered for micro-scale, low-pressure precision applications. Its key distinction lies in the G47 micro interface, optimized for low-pressure flow systems. With its 304 stainless steel corrosion resistance and compact design, it is ideal for micro-sensor fluid circuits, miniature analytical instruments, and other systems requiring precise low-pressure control.

Key Specifications

Part of the 35B Series, this valve operates within a pressure range of 0.3–2.5 MPa and a temperature range of -10°C to 90°C.
The G47 interface (ISO 228 micro internal thread) supports DN15 piping, with a recommended flow rate of 3–8 m³/h.
Compared with the G48 model, the G47 interface has a smaller flow area, making it better suited for ultra-microflow applications.
The low-pressure sealing structure ensures a leakage rate ≤0.008 L/min under 0.3 MPa operating pressure.

Technical Advantages & Innovations

  • Optimized low-pressure valve disc design with elastic sealing material, reducing switching resistance by 30% under low-pressure operation.

  • Fast response time ≤0.35 s, ensuring reliable actuation in precision control environments.

  • Miniature integrated valve body design weighing only 0.5 kg, improving installation flexibility by 40%.

  • Built-in impurity filtration chamber traps particles ≥50 μm, protecting internal precision components from contamination.

Typical Application Scenarios

  • Micro-sensor fluid circuits – Used in environmental monitoring devices for micro-volume sampling and flow switching. The G47 interface precisely matches miniature sensor pipelines to ensure sampling accuracy.

  • Compact analytical instruments – Such as water quality analyzers, where the low-pressure design prevents reagent composition shifts caused by excessive pressure.

  • Micro fuel cell testing equipment – Controls the direction of reaction media with ultra-microflow precision for accurate fuel cell performance testing.

Installation & Compatibility Notes

  • Ensure the inner wall of the connected pipeline is smooth to avoid scratching the sealing surface.

  • Install the valve away from strong electromagnetic interference sources to prevent control signal disruption.

  • During commissioning, focus on verifying sealing performance under low-pressure conditions, and regularly clean impurities from the built-in filter chamber.

Rachel

Industrial Control Sales Specialist: Focuses on delivering high-performance, cost-effective industrial control products. Offers end-to-end one-stop procurement support—covering rapid quotation, streamlined order fulfillment, and responsive after-sales service—to simplify clients’ procurement processes. Email: Anthony@icxsg.com

We offer competitive product pricing. For fast support, send your email, phone, address, and the product model & quantity you want—we’ll reach out quickly!

We typically respond via email within one business day! You can also contact us at Anthony@icxsg.com

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