+352 27 63 53 92

customer-service@partao.com

Partao Logo

0

0

John Deere
New Holland
Case IH
Fendt
Kubota
Massey Ferguson
STIHL
Osram
View All 2,900+ BrandsRequest a Quote
Partao Logo

Need a larger order?

Request a Quote
Privacy and Cookie PolicyTerms and Conditions

Copyright © 2026 partao.com. All rights reserved

Partao S.A.R.L.

Address: 9 rue du Laboratoire 1911, Luxembourg, Luxembourg

Email: customer-service@partao.com

Tel: +352 27 63 53 92

Explore

  • About Us
  • Request Your Part
  • Knowledge Base
  • Careers

Help

  • Shipping & Returns
  • Contact Us
  • Seller Quick Guide
  • Help

Legal

  • All prices are exclusive of VAT
  • VAT: LU36240485
  • Business Registration: B291859

© 2025-present partao.com

  • Privacy and Cookie Policy
  • Terms and Conditions
Home
Attachments & Lift
Hydraulic Systems
Hydraulic Control Valves
Herz - SWDH26 - Differential Pressure Overflow Regulator 4004 DN20
Herz - SWDH26 - Differential Pressure Overflow Regulator 4004 DN20

In stock - ready to ship

Order now for delivery between 25 May and 28 May
Free shipping on orders over €60

Pay Securely with

Herz - SWDH26 - Differential Pressure Overflow Regulator 4004 DN20

Herz - SWDH26 - Differential Pressure Overflow Regulator 4004 DN20

€55.50

(Excl. VAT)

Price

(Excl. VAT)

€55.50

Product Description

The Herz SWDH26 (OEM equivalent 1400432) is a genuine Herz differential pressure overflow valve, Type 4004, designed for precise regulation in industrial heating and cooling systems. Featuring a straight body with DN20 internal thread connections, it ensures stable differential pressure within a range of 0.05 to 0.5 bar. This robust valve handles flow rates from 10 to 2000 liters per hour, with a maximum operating pressure of 16 bar and a maximum operating temperature of 110 °C. Constructed from durable red brass with a stainless steel spindle and EPDM O-rings, it provides reliable performance and longevity.
Herz

Product Details

Brand
herz
Equivalent OEM Part Numbers

Herz

1400432
Length mm
100
Weight kg
0.6
Body material
red brass
Seal material
epdm
Connection type
internal thread
Spindle material
stainless steel
Nominal diameter mm
20
Flow rate L per hour
10-2000
Max operating pressure bar
16
Differential pressure range bar
0.05-0.5
Max operating temperature celsius
110
Manufacturer
herz

Similar items you might like

  • Herz

    Herz - SWWZQ7 - Tailpiece 6210 Coupling Nut and 1/2" x 26 mm

    Herz

    €169.99

  • Herz

    Herz - SX7T5J - Control Valve 4006 Combi-Valve DN150 Flanged PN16

    Herz

    €4,619.05

  • Herz

    Herz - SYHY4R - Internal Assembly Calis TS 3/4"

    Herz

    €37.31

  • Herz

    Herz - T25BJX - Thermostatic Control Element 9350 with Remote Adjustment

    Herz

    €723.18

  • Herz

    Herz - T2YKHV - Thermostatic Control Element De Luxe Signal Blue M30x1.5

    Herz

    €69.41

  • Herz

    Herz - T345K9 - Valves Regulating Damper ZF DN250

    Herz

    €1,612.35

  • Herz

    Herz - T385V7 - Valves Chrono Thermostat Analog

    Herz

    €174.27

  • Herz

    Herz - T39EXR - Valves Stroemax GF DN350 Flanged PN16

    Herz

    €29,813.27

  • Herz

    Herz - T3JD8Y - Three-Way Control Valve

    Herz

    €456.75

  • Herz

    Herz - T46JCD - Valves Gas Systems Ball Valves PN1

    Herz

    €28.75

Reviews

Customer Reviews

Be the first to write a review!

Product Description

The Herz SWDH26 (OEM equivalent 1400432) is a genuine Herz differential pressure overflow valve, Type 4004, designed for precise regulation in industrial heating and cooling systems. Featuring a straight body with DN20 internal thread connections, it ensures stable differential pressure within a range of 0.05 to 0.5 bar. This robust valve handles flow rates from 10 to 2000 liters per hour, with a maximum operating pressure of 16 bar and a maximum operating temperature of 110 °C. Constructed from durable red brass with a stainless steel spindle and EPDM O-rings, it provides reliable performance and longevity.
Herz

Product Details

Brand
herz
Equivalent OEM Part Numbers

Herz

1400432
Length mm
100
Weight kg
0.6
Body material
red brass
Seal material
epdm
Connection type
internal thread
Spindle material
stainless steel
Nominal diameter mm
20
Flow rate L per hour
10-2000
Max operating pressure bar
16
Differential pressure range bar
0.05-0.5
Max operating temperature celsius
110
Manufacturer
herz

Reviews

Customer Reviews

Be the first to write a review!

Similar items you might like

  • Herz

    Herz - SWWZQ7 - Tailpiece 6210 Coupling Nut and 1/2" x 26 mm

    Herz

    €169.99

  • Herz

    Herz - SX7T5J - Control Valve 4006 Combi-Valve DN150 Flanged PN16

    Herz

    €4,619.05

  • Herz

    Herz - SYHY4R - Internal Assembly Calis TS 3/4"

    Herz

    €37.31

  • Herz

    Herz - T25BJX - Thermostatic Control Element 9350 with Remote Adjustment

    Herz

    €723.18

  • Herz

    Herz - T2YKHV - Thermostatic Control Element De Luxe Signal Blue M30x1.5

    Herz

    €69.41

  • Herz

    Herz - T345K9 - Valves Regulating Damper ZF DN250

    Herz

    €1,612.35

  • Herz

    Herz - T385V7 - Valves Chrono Thermostat Analog

    Herz

    €174.27

  • Herz

    Herz - T39EXR - Valves Stroemax GF DN350 Flanged PN16

    Herz

    €29,813.27

  • Herz

    Herz - T3JD8Y - Three-Way Control Valve

    Herz

    €456.75

  • Herz

    Herz - T46JCD - Valves Gas Systems Ball Valves PN1

    Herz

    €28.75

Herz - SWDH26 - Differential Pressure Overflow Regulator 4004 DN20

SKU: herz-swdh26

Herz
Browse all parts

€55.50

(excl. VAT)