High-Quality Direct-Acting Relief Valves for Efficient Pressure Control

• Customization: Available
• Function: Balance, Pressure Regulating, Reversing, Flow Control, Widely Used in Chemical, Mechanical, Energy and Ot
• Installation: Tubular
• Model NO.: EMYF05-20 Relief valves
• Drive: Hydraulic
• Type: Directly Operated Type
• Rated Pressure: 100bar
• Rated Flow: 25L/Min
• Cracking Rate: ≥85%
• Closing Rate: ≥80%
• Internal Leakage: ≤10ml/Min at 75bar
• Transport Package: Carton
• Specification: 0.5KG
• Trademark: ERMA
• Origin: China
• HS Code: 8481400000
• Production Capacity: 50000pieces/Year

Product Description

Jiangsu Erma Hydraulic Components Co., Ltd. 

Jiangsu Erma Hydraulics is a professional company that produces threaded cartridge valves and precision spare parts. It has more than 20 years of production and R&D experience. The company now has more than 200 advanced production and processing equipment, of which the key processes are all imported equipment (American Hardinge machine tools, Swiss Schaublin machine tools, Japanese STAR, Citizen, Korean Doosan, Sunnen Honing, Japanese Mitutoyo, etc.), as well as more than 50 sets of various professional measuring and testing equipment, with an annual output of more than 1 million pieces of various types of hydraulic components. The products produced include safety valves, overload valves, relief valves, balance valves, logic valves, solenoid valves, one-way valves, throttle valves, pressure reducing valves, etc., which are used in multi-way valves, gear pumps, steering gears, cylinders, hydraulic system etc.

Specification

DESCRIPTION
The opening pressure of the valve is achieved by setting the spring force and allows free flow from P to T while the pressure at P reaches the valve setting. The valve offers quick response and low internal leakage.

Specifications

1.Rated pressure:100bar

2.Rated flow:25L/min

3.Cracking Rate:>85%

4.Closing Rate:>80%

5.Internal leakage:<10ml/min at 75bar

6.Cleaning code:20/18/15(NAS9)

7.Temperature range:-20~+100℃

8.Pressure change per urn:31bar

9.Installation Torque:40~45Nm

10.Nut Tightening Torque:38~43Nm

right elevation

left elevation

front elevation

Technical Specifications

(Custom configurations available upon request.)

Model	EMYF05-20 Relief valves
Rated pressure	100bar
Rated flow	25L/min
Cracking Rate	≥85%
Closing Rate	≥80%
Internal Leakage	≤10ml/min at 75bar
Cleaning code	20/18/15(NAS9)
Temperature range	-20~+100℃
Pressure change per turn	31bar
Installation Torque	40~45Nm
Nut Tightening Torque	38~43Nm

Other product data

Other data references regarding this product are as follows. Our engineering team can provide tailored designs to meet specific project requirements.

SYMBOL

CAVITY

PERFORMANCE DETAILS

After Sales Service

Standard Warranty: 12 months or 2,000 operating hours (whichever comes first).
Special requirements: We can provide professional product customization and development.
Training: On-site or remote operation/maintenance training.

Company Profile

Jiangsu Erma Hydraulic Components Co., Ltd. 

Jiangsu Erma Hydraulic Components Co., Ltd. was established in 1999. The company is located in Xingang Park, National Economic and Technological Development Zone, Jingjiang City, Jiangsu Province, with convenient transportation and beautiful scenery. The factory has a production and office area of 14000 square meters, and currently has more than 130 employees, including more than 50 people with college education or above. 

Why Choose Us?

Other Products

OEM/ODM capabilities
Competitive pricing & bulk discounts
Fast shipping & customs clearance support
Turnkey project solutions

Directional control valve
Pressure control valve
Flow control valve
Solenoid valve
Plate type integrated valve

FAQ

Q: What's the lead time for orders?
A: Standard models ship in 30-45 days; customized units require 40-60 days.It depends on the actual situation.

Q: Can we customize products according to the actual situation?
A: Absolutely!  We support product customization.

Q: What documents do you provide for export?
A: Full export package (Commercial Invoice, Packing List, Bill of Lading, COC, etc.).

Q: How do I place an order?
A: Contact us via email/phone for a quote, then confirm with a PO.