PRVs | NOOR SCIENTIFIC & TRADE

HERZ Pressure Reducing Valve – Ductile Iron (HVPRVF Series)

Mostafa Refaay — Sun, 09 Nov 2025 12:49:57 +0000

HERZ Pressure Reducing Valve – Ductile Iron (HVPRVF Series)

The HERZ HVPRVF Ductile Iron Pressure Reducing Valve from HERZ Armaturen is engineered for high-performance pressure management in water distribution networks. Designed for stable outlet pressure regardless of inlet fluctuations, it features a nylon-reinforced EPDM diaphragm and stainless-steel internals for superior durability.

The pilot-operated design ensures precise control and long service life under demanding conditions.

Body: Ductile Iron, GJS 500-7.
Trim: Stainless Steel AISI 304/316.
Seat: Stainless Steel AISI 304/316.
Diaphragm: EPDM + Nylon Fabric.
Bush: Bronze C61900.
Pressure Rating: PN16 (PN25 optional).
Outlet Pressure Range: 1–10 bar.
Temperature Range: -10°C to +80°C.
End Connection: EN 1092-2 Flanged, PN16.
Standards: BS EN1074-5, BS EN12266-1, BS EN558-1.
Sizes Available: DN 50–DN 300.

Maintains stable downstream pressure under varying inlet conditions.
Reduces risk of water hammer and cavitation.
Corrosion-resistant materials for long operational life.
Simple maintenance with accessible components.
Reliable operation for high-capacity systems.

Municipal and industrial water distribution networks.
Irrigation and agricultural water control.
HVAC and building service systems.
Pressure management in fire protection systems.
Pumping stations and water treatment facilities.

Other Products From HERZ Armaturen

HERZ Cast Iron 2-Way Control Valve (F4035 Series)

HERZ Cast Iron 2-Way Control Valve

HERZ Brass 3-Way Control Ball Valve (2137 Series)

Forged brass 3-way mixing and diverting valve

HERZ CAST IRON DOUBLE DOOR (DUAL PLATE) CHECK VALVE

Compact wafer-type dual-plate check valve for flanged pipelines in HVAC and water systems

HERZ CAST IRON LUG TYPE GEAR OPERATED BUTTERFLY VALVE

Flanged lug-type cast iron butterfly valve with gear operator for secure end-line and sectional isolation.

The post HERZ Pressure Reducing Valve – Ductile Iron (HVPRVF Series) first appeared on NOOR SCIENTIFIC & TRADE.

HERZ Pressure Reducing Valve – Brass Diaphragm Type

Mostafa Refaay — Sun, 09 Nov 2025 12:46:27 +0000

HERZ Pressure Reducing Valve – Brass Diaphragm Type

The HERZ Brass Diaphragm Pressure Reducing Valve from HERZ Armaturen ensures consistent outlet pressure in domestic and light commercial water systems. Its diaphragm design provides stable performance, while the corrosion-resistant brass body and integrated plastic cap offer reliability and ease of adjustment.

Engineered for long service life and minimal maintenance, it ensures optimal flow control and protection for downstream installations.

Body Material: High-grade Brass.
Cap: Durable Plastic (ABS).
Diaphragm: Reinforced EPDM Rubber.
Pressure Rating: PN16.
Adjustable Outlet Pressure Range: Typically 1–6 bar (model-dependent).
Maximum Inlet Pressure: Up to 25 bar.
Temperature Range: 0°C to +80°C.
Connection Type: Threaded BSP (Female).
Compact, maintenance-friendly design.

Ensures stable water pressure and protects plumbing systems.
Easy manual pressure adjustment via top cap.
Corrosion and scale-resistant internal components.
Silent operation with minimal vibration.
Long-term reliability with no external power source required.

Domestic water supply systems.
Commercial plumbing and sanitary installations.
HVAC water distribution loops.
Irrigation and small water control networks.
Systems requiring constant regulated outlet pressure.

PRVs | NOOR SCIENTIFIC & TRADE

HERZ Pressure Reducing Valve – Ductile Iron (HVPRVF Series)

HERZ Pressure Reducing Valve – Ductile Iron (HVPRVF Series)

Other Products From HERZ Armaturen

HERZ Cast Iron 2-Way Control Valve (F4035 Series)

HERZ Brass 3-Way Control Ball Valve (2137 Series)

HERZ CAST IRON DOUBLE DOOR (DUAL PLATE) CHECK VALVE

HERZ CAST IRON LUG TYPE GEAR OPERATED BUTTERFLY VALVE

HERZ Pressure Reducing Valve – Brass Diaphragm Type

HERZ Pressure Reducing Valve – Brass Diaphragm Type

Other Products From HERZ Armaturen

HERZ DZR NON-RISING SPINDLE (NRS) GLOBE VALVE

HERZ Digital Thermostat Series (H7711 / H7712 / H7713)

HERZ DUCTILE IRON LUG TYPE LEVER OPERATED BUTTERFLY VALVE

HERZ Brass 3-Way Control Ball Valve (2137 Series)