Wirtgen Nozzle Unit Valve (Part #74328) – Precision Spray System Control

Maintain optimal water/dust suppression on your Wirtgen cold planer with this critical nozzle control valve. Direct replacement for OEM part 74328, engineered to deliver ±2% flow accuracy and withstand high-pressure hydraulic systems (up to 250 bar).

Cost-Effective Solutions for Every Need

Genuine WIRTGEN: 100% original specifications
Premium Aftermarket: 40% cost savings with 12-month warranty

Shipping fee and delivery date to be negotiated. Chat with supplier now for more details and Optimal price.

Project Monitoring

Shipping Order Track

Instructions for Use

VIP Customer Service

Intact Guarantee

Key Benefits

Factory Calibration: Matches OEM flow rate specifications for W1900/W2000/W195/W205/W215
Zero-Leak Design: Quad-seal construction prevents fluid loss in dusty environments
Corrosion Resistance: Chrome-plated brass body withstands emulsion fluids
Dual Sourcing: Authentic Wirtgen parts or ISO 9001-certified aftermarket valves

Description
FAQ
Parameter
Customization

Technical Specifications

Parameter	Specification
Part Number	74328
Compatible Models	W1900, W2000, W195, W205, W215
Application	Water/Dust Suppression Nozzle Unit
Material	CW617N Brass Body
Seals	FKM Viton® (OEM) / HNBR (Aftermarket)
Pressure Rating	250 bar (3,625 PSI)
Flow Accuracy	±2% of OEM spec
Temperature Range	-30°C to +120°C
Connection Type	M18×1.5 Male Thread
OEM Origin	Germany
Aftermarket Origin	Turkey (EU-TS 150 certified)
Compliance	OEM: Wirtgen W7 / Aftermarket: ISO 9001

Premium Construction Machinery Parts Supplier | Dynapac, BOMAG & Wirtgen
Headquartered in Hebei, China, we bring 7+ years of expertise in supplying and servicing genuine & alternative parts for:
✔ BOMAG rollers & compactors
✔ Wirtgen milling machines
✔ Dynapac road equipment

✓ Direct-from-factory pricing (typically 30-70% below OEM)
✓ Same quality assurance as genuine parts
✓ Technical support from bilingual engineers

Technical Specifications:
• Resistance: 5KΩ
• Operating Voltage: 5-30VDC
• Mechanical Angle: 360° continuous
• Temperature Range: -40°C to +85°C
• Electrical Connection: 6-pin OEM plug

Why Choose Us?
✓ WIRTGEN Specialists: 10+ years in sensor supply
✓ Quality Assurance: 100% tested before shipment
✓ Fast Global Shipping: DHL/FedEx options available
✓ Technical Support: Bilingual engineers on standby