Advanced Pressure Relief Valve type DB3U 20 H-1-30B

• Customization: Available
• Function: Pressure Regulating, Flow Control
• Installation: Plate
• Model NO.: DB3U20H-1-30B
• Type: Pilot-Operated Type
• Temperature: -30~80 Degree
• Pressure: to 31.5MPa
• Media: Mineral Oils or Phosphate Ester
• Certification: CE, ISO9001
• Aftersales Service: Lifetime
• Warranty: 1 Year
• Condition: New
• Material: Carbon Steel
• Size: 20
• Flow: 600L/min
• Transport Package: Carton
• Trademark: Huade
• Origin: China
• HS Code: 841360609
• Production Capacity: 50000PCS/Year

Product Description

 

Pressure relief valves are pilot operated valves. DB3U have passed CE certification. 
Features:

• Subplate mounting
• Threaded connection
• Installation in manifolds
• 3 adjustment elements:

. Rotary knob
. Screw with internal hexagon and protective cap
. Rotary knob with scale

• Solenoid operated control via mounted directional valve

Application:
Pressure relief valve DB3U are used for the limitation of the operating pressure.

DB3U20H-1-30B/100G24NZ4.	DB3U20H-1-30B/315UW220-50NZ5L.
DB3U20H-1-30B/100G24NZ5L.	DB3U20H-1-30B/315W110-50NZ5L.
DB3U20H-1-30B/100W220-50NZ5L.	DB3U20H-1-30B/315W220-50NZ4.
DB3U20H-1-30B/315G24NZ4.	DB3U20H-1-30B/315W220-50NZ5L.
DB3U20H-1-30B/315G24NZ5L.	DB3U20H1-30B/315W220RNZ5L.
DB3U20H-1-30B/315G24NZ5L/V.	DB3U20H-1-30B/315W220RNZ5L.
DB3U20H-1-30B/315UG24NZ4.
DB3U20H-1-30B/315UG24NZ5L.

 

 

Size		8	10	15	20	25	30
Flow(L/min)	Threaded connection	100	200		400		600
	Subplate mounting	-	200	-	400	-	600
Operating pressure (MPa)		ports A,B,X.up to31.5
Back pressure (port Y) (MPa)		up to 31.5
Min. Setting pressure (MPa)		see operating curves
Max. Setting pressure (MPa)		up to10 or 31.5
Pressure fluid		Mineral oil (for NBR seal)or phosphate ester(for FPM seal)
Viscosity range (mm ²/s)		10 to 800
Temperature range(ºC)		-30 to +80
Size of directional valve		see directional valve 4WE5

 

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