Parker D91FBZ31HC2NM0L

Parker D91FBZ31HC2NM0L Specification

Connection
Subplate Mounting

Caliber
31

Channels
2-position, 4-way

Pressure
Up to 315 Bar

Structure
Spool Valve

Material
High-Grade Steel

Power
Hydraulic

Media
Oil

Temperature of Media
-20C to +80C

Port Size
NG10 (ISO 4401-05)

Flange
ISO 4401 mounting

Finish
Paint Coated

Application
Industrial Hydraulic Equipment

Override
Manual Override Included

Actuation Type
Solenoid Operated

Mounting Type
Manifold Mount

Max Flow Rate
150 L/min

Model Number
D91FBZ31HC2NM0L

Response Time
< 50 ms

Protection Class
IP65 (With Proper Connector)

Coil Voltage
24V DC

Series
D91FB Series

Weight
Approx. 5.9 kg

Seals Material
Nitrile (NBR) / Optional FKM

Operating Position
Any Direction

Parker D91FBZ31HC2NM0L Trade Information

Minimum Order Quantity
1 Unit

Delivery Time
3 Week

About Parker D91FBZ31HC2NM0L

Technical Specifications

Port Connection:	NG25 / CETOP 08
Operation Type:	Pilot
Actuation Type:	Proportional solenoid
Function:	3-way
Flow Rate:	400 L/Min
Spool Position:	Operated in position a or b
Maximum Flow Rate:	N/A
Pilot Inlet / Drain Locations:	External / external
Maximum Operating Pressure:	350 bar
Seal Material:	NBR
Maximum Operating Temperature:	60 C
Signal Input:	0 - 10 V
Minimum Operating Temperature:	-20 C
Flow Direction:	0 - +10 V = P-A
For Fluid Type:	Hydraulic Oil (according to DIN 51524 ... 535), Water Glycol
Weight:	21.1 kg
Product Series:	Proportional DC valve
Mounting Type:	Subplate mounting
Seal Material:	NBR
Body Material:	Cast iron
Maximum Ambient Temperature:	60 C
Minimum Ambient Temperature:	-20 C
Filter Efficiency Rating:	ISO 4406; 18/16/13
Leak Rate:	600.0 ml/min
Mounting Style:	DIN 24340 / ISO 4401 / CETOP RP121 / NFPA
Application:	Industrial Hydraulic
Valve Option:	Hybrid valve
Brand:	Parker
Technology:	Hydraulics
Division:	Industrial Systems Division Europe
Valve Type:	Proportional DC Valve
Media:	Hydraulic Oil
Maximum Fluid Temperature:	60 C
Minimum Fluid Temperature:	-25.0 C
Electronics Type:	Onboard
Flow Rate:	400.0 L/min
Maximum Kinematic Viscosity:	400 cSt
Minimum Kinematic Viscosity:	20 cSt
Vibration Resistance:	10 Sinus 5...2000 Hz acc. IEC 68-2-6 10 (RMS) Random noise 20...2000 Hz acc. IEC 68-2-36 15 Shock acc. IEC 68-2-27 g
Mounting Position:	Unrestricted
Variation of Opening Point:	set to 10 % command signal
Response Time:	100.0 ms
Ingress Protection Rating:	IP65 in accordance with EN 60529
Power Supply Voltage:	18 to 30 VDC ripple < 5 % eff., surge free
Maximum Pilot Pressure:	350 bar
Minimum Pilot Pressure:	30 + T/Y bar
Hysteresis:	< 5 %
Connection Type:	6 + PE
Spool Code:	Z31

Precision Hydraulic Control

The D91FBZ31HC2NM0L provides precise and responsive hydraulic flow control, benefiting industrial systems that demand accuracy and reliability. With its fast response time of under 50 ms and high pressure tolerance, the valve ensures smooth operation under rigorous workloads.

User-Friendly Installation and Flexibility

Featuring manifold/subplate mounting and compatibility with ISO 4401 (NG10), this valve simplifies installation and saves space in equipment setups. Its ability to operate in any position and manual override option allows greater flexibility for maintenance and emergency operations.

Enhanced Durability and Safety

Constructed from high-grade steel with a robust paint coating, the D91FBZ31HC2NM0L offers exceptional mechanical strength and resistance to corrosion. The IP65 protection, when paired with the appropriate connector, ensures operational safety even in challenging environments.

FAQ's of Parker D91FBZ31HC2NM0L:

Q: How should the Parker D91FBZ31HC2NM0L valve be installed for optimal performance?

A: The D91FBZ31HC2NM0L valve is designed for manifold (subplate) mounting according to ISO 4401-05 (NG10) standards. Install using the specified mounting flange on a clean, compatible subplate, ensuring all hydraulic connections are secure and free of contamination. Its operating position is flexible, allowing installation in any orientation.

Q: What are the primary benefits of using this solenoid-operated valve in industrial applications?

A: This valve provides fast, precise control of hydraulic flow, with a response time of less than 50 ms and the ability to handle pressures up to 315 bar. Its rugged build, IP65 protection (with proper connectors), and compatibility with a wide temperature range make it well-suited for demanding industrial environments. Manual override further enhances safety and maintenance procedures.

Q: When should I consider selecting the optional FKM sealing material?

A: Choose the FKM (Viton) seal option if your hydraulic system operates with aggressive fluids or elevated temperatures beyond the standard compatibility of nitrile (NBR) seals. FKM provides better chemical and heat resistance, extending the service life when exposed to challenging media.

Q: Where is this valve most effectively utilized?

A: The D91FBZ31HC2NM0L is ideally suited for industrial hydraulic systems requiring reliable, high-pressure fluid control, such as manufacturing automation, press machines, and heavy equipment. Its robust construction and flexible mounting make it versatile for various setups within these sectors.

Q: What is the typical process for maintaining this hydraulic valve?

A: Routine maintenance involves ensuring the valve and its connections remain free of debris, inspecting seals for wear or leaks, and verifying that the manual override operates smoothly. Always disconnect the system safely before performing any maintenance. Regularly check for electrical and hydraulic connectivity.

Q: How does the manual override feature improve operational reliability?

A: The integrated manual override allows operators to actuate the valve manually in case of electrical control issues, ensuring continued hydraulic flow and safe system operation during troubleshooting or emergencies. This feature adds a layer of reliability and aids in maintenance activities.